pg gem pg-0.18.4 install errors: implicit declaration of function ‘gettimeofday’ is invalid in C99


Reflexively trying the usual suspects installing pg-0.18.4:

https://stackoverflow.com/questions/63182467/not-able-to-install-pg-gem-with-rails

Maybe xcode is improperly installed?

sudo xcode-select -s /Library/Developer/CommandLineTools

Maybe postgresql is improperly installed?

brew install postgresql
Running `brew update --preinstall`...
Warning: postgresql 14.2_1 is already installed and up-to-date.
To reinstall 14.2_1, run:
brew reinstall postgresql
❯ brew reinstall postgresql
gem install pg -v '0.18.4'

It would have been beneficial to search on the actual error occurring:

pg_connection.c:2394:3: error: implicit declaration of function 'gettimeofday' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                gettimeofday(&currtime, NULL);
                ^
pg_connection.c:2411:4: error: implicit declaration of function 'gettimeofday' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                        gettimeofday(&currtime, NULL);

https://stackoverflow.com/questions/36455625/postgresql-gem-install-pg-0-18-4-passes-bundle-install-fails

Configuring the pg gem in bundle to ignore the C99 implicit declaration error was what was required to get this version of the gem to install:

bundle config build.pg '-- --with-cflags="-Wno-error=implicit-function-declaration"'

Installing pg 0.18.4 with native extensions
Using consumer_info 1.6.7 from https://travis@gitlab.com/everlywell/apps/consumer-info.git (at v1.6.7@9bf01b4)
Bundle complete! 137 Gemfile dependencies, 350 gems now installed.
Use bundle info [gemname] to see where a bundled gem is installed.
1 installed gem you directly depend on is looking for funding.
Run bundle fund for details

Success!

Error Details

current directory: /Users/tpowell/.rbenv/versions/2.5.7/lib/ruby/gems/2.5.0/gems/pg-0.18.4/ext
/Users/tpowell/.rbenv/versions/2.5.7/bin/ruby -r ./siteconf20220405-9763-gz4mbx.rb extconf.rb
checking for pg_config... yes
Using config values from /usr/local/bin/pg_config
checking for libpq-fe.h... yes
checking for libpq/libpq-fs.h... yes
checking for pg_config_manual.h... yes
checking for PQconnectdb() in -lpq... yes
checking for PQconnectionUsedPassword()... yes
checking for PQisthreadsafe()... yes
checking for PQprepare()... yes
checking for PQexecParams()... yes
checking for PQescapeString()... yes
checking for PQescapeStringConn()... yes
checking for PQescapeLiteral()... yes
checking for PQescapeIdentifier()... yes
checking for PQgetCancel()... yes
checking for lo_create()... yes
checking for pg_encoding_to_char()... yes
checking for pg_char_to_encoding()... yes
checking for PQsetClientEncoding()... yes
checking for PQlibVersion()... yes
checking for PQping()... yes
checking for PQsetSingleRowMode()... yes
checking for PQconninfo()... yes
checking for rb_encdb_alias()... yes
checking for rb_enc_alias()... no
checking for rb_thread_call_without_gvl()... yes
checking for rb_thread_call_with_gvl()... yes
checking for rb_thread_fd_select()... yes
checking for rb_w32_wrap_io_handle()... no
checking for rb_str_modify_expand()... yes
checking for rb_hash_dup()... yes
checking for PGRES_COPY_BOTH in libpq-fe.h... yes
checking for PGRES_SINGLE_TUPLE in libpq-fe.h... yes
checking for PG_DIAG_TABLE_NAME in libpq-fe.h... yes
checking for struct pgNotify.extra in libpq-fe.h... yes
checking for unistd.h... yes
checking for inttypes.h... yes
checking for ruby/st.h... yes
checking for C99 variable length arrays... yes
creating extconf.h
creating Makefile

current directory: /Users/tpowell/.rbenv/versions/2.5.7/lib/ruby/gems/2.5.0/gems/pg-0.18.4/ext
make "DESTDIR=" clean

current directory: /Users/tpowell/.rbenv/versions/2.5.7/lib/ruby/gems/2.5.0/gems/pg-0.18.4/ext
make "DESTDIR="
compiling gvl_wrappers.c
compiling pg.c
compiling pg_binary_decoder.c
compiling pg_binary_encoder.c
compiling pg_coder.c
pg_coder.c:188:63: warning: implicit conversion loses integer precision: 'VALUE' (aka 'unsigned long') to 'int' [-Wshorten-64-to-32]
        res = this->dec_func(this, val, RSTRING_LEN(argv[0]), tuple, field, ENCODING_GET(argv[0]));
              ~~~~                                                   ^~~~~
pg_coder.c:188:56: warning: implicit conversion loses integer precision: 'VALUE' (aka 'unsigned long') to 'int' [-Wshorten-64-to-32]
        res = this->dec_func(this, val, RSTRING_LEN(argv[0]), tuple, field, ENCODING_GET(argv[0]));
              ~~~~                                            ^~~~~
pg_coder.c:188:34: warning: implicit conversion loses integer precision: 'long' to 'int' [-Wshorten-64-to-32]
        res = this->dec_func(this, val, RSTRING_LEN(argv[0]), tuple, field, ENCODING_GET(argv[0]));
              ~~~~                      ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:975:6: note: expanded from macro 'RSTRING_LEN'
     RSTRING_EMBED_LEN(str) : \
     ^~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:971:6: note: expanded from macro 'RSTRING_EMBED_LEN'
     (long)((RBASIC(str)->flags >> RSTRING_EMBED_LEN_SHIFT) & \
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
pg_coder.c:188:34: warning: implicit conversion loses integer precision: 'long' to 'int' [-Wshorten-64-to-32]
        res = this->dec_func(this, val, RSTRING_LEN(argv[0]), tuple, field, ENCODING_GET(argv[0]));
              ~~~~                      ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:976:28: note: expanded from macro 'RSTRING_LEN'
     RSTRING(str)->as.heap.len)
     ~~~~~~~~~~~~~~~~~~~~~~^~~
pg_coder.c:417:16: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        s_id_encode = rb_intern("encode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
pg_coder.c:417:16: note: '{' token is here
        s_id_encode = rb_intern("encode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
pg_coder.c:417:16: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        s_id_encode = rb_intern("encode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
pg_coder.c:417:16: note: ')' token is here
        s_id_encode = rb_intern("encode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
pg_coder.c:418:16: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        s_id_decode = rb_intern("decode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
pg_coder.c:418:16: note: '{' token is here
        s_id_decode = rb_intern("decode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
pg_coder.c:418:16: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        s_id_decode = rb_intern("decode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
pg_coder.c:418:16: note: ')' token is here
        s_id_decode = rb_intern("decode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
pg_coder.c:419:15: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        s_id_CFUNC = rb_intern("CFUNC");
                     ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
pg_coder.c:419:15: note: '{' token is here
        s_id_CFUNC = rb_intern("CFUNC");
                     ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
pg_coder.c:419:15: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        s_id_CFUNC = rb_intern("CFUNC");
                     ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
pg_coder.c:419:15: note: ')' token is here
        s_id_CFUNC = rb_intern("CFUNC");
                     ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
10 warnings generated.
compiling pg_connection.c
pg_connection.c:104:26: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                rb_funcall( socket_io, rb_intern("close"), 0 );
                                       ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:104:26: note: '{' token is here
                rb_funcall( socket_io, rb_intern("close"), 0 );
                                       ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:104:26: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                rb_funcall( socket_io, rb_intern("close"), 0 );
                                       ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:104:26: note: ')' token is here
                rb_funcall( socket_io, rb_intern("close"), 0 );
                                       ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:126:30: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("keyword")), rb_str_new2(options[i].keyword));
                                                  ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:126:30: note: '{' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("keyword")), rb_str_new2(options[i].keyword));
                                                  ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:126:30: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("keyword")), rb_str_new2(options[i].keyword));
                                                  ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:126:30: note: ')' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("keyword")), rb_str_new2(options[i].keyword));
                                                  ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:128:30: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("envvar")), rb_str_new2(options[i].envvar));
                                                  ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:128:30: note: '{' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("envvar")), rb_str_new2(options[i].envvar));
                                                  ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:128:30: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("envvar")), rb_str_new2(options[i].envvar));
                                                  ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:128:30: note: ')' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("envvar")), rb_str_new2(options[i].envvar));
                                                  ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:130:30: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("compiled")), rb_str_new2(options[i].compiled));
                                                  ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:130:30: note: '{' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("compiled")), rb_str_new2(options[i].compiled));
                                                  ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:130:30: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("compiled")), rb_str_new2(options[i].compiled));
                                                  ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:130:30: note: ')' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("compiled")), rb_str_new2(options[i].compiled));
                                                  ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:132:30: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("val")), rb_str_new2(options[i].val));
                                                  ^~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:132:30: note: '{' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("val")), rb_str_new2(options[i].val));
                                                  ^~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:132:30: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("val")), rb_str_new2(options[i].val));
                                                  ^~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:132:30: note: ')' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("val")), rb_str_new2(options[i].val));
                                                  ^~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:134:30: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("label")), rb_str_new2(options[i].label));
                                                  ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:134:30: note: '{' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("label")), rb_str_new2(options[i].label));
                                                  ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:134:30: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("label")), rb_str_new2(options[i].label));
                                                  ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:134:30: note: ')' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("label")), rb_str_new2(options[i].label));
                                                  ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:136:30: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("dispchar")), rb_str_new2(options[i].dispchar));
                                                  ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:136:30: note: '{' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("dispchar")), rb_str_new2(options[i].dispchar));
                                                  ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:136:30: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                        rb_hash_aset(hash, ID2SYM(rb_intern("dispchar")), rb_str_new2(options[i].dispchar));
                                                  ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:136:30: note: ')' token is here
                        rb_hash_aset(hash, ID2SYM(rb_intern("dispchar")), rb_str_new2(options[i].dispchar));
                                                  ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:137:29: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                rb_hash_aset(hash, ID2SYM(rb_intern("dispsize")), INT2NUM(options[i].dispsize));
                                          ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:137:29: note: '{' token is here
                rb_hash_aset(hash, ID2SYM(rb_intern("dispsize")), INT2NUM(options[i].dispsize));
                                          ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:137:29: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                rb_hash_aset(hash, ID2SYM(rb_intern("dispsize")), INT2NUM(options[i].dispsize));
                                          ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:137:29: note: ')' token is here
                rb_hash_aset(hash, ID2SYM(rb_intern("dispsize")), INT2NUM(options[i].dispsize));
                                          ^~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:272:38: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        conninfo = rb_funcall2( rb_cPGconn, rb_intern("parse_connect_args"), argc, argv );
                                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
pg_connection.c:272:38: note: '{' token is here
        conninfo = rb_funcall2( rb_cPGconn, rb_intern("parse_connect_args"), argc, argv );
                                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
pg_connection.c:272:38: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        conninfo = rb_funcall2( rb_cPGconn, rb_intern("parse_connect_args"), argc, argv );
                                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
pg_connection.c:272:38: note: ')' token is here
        conninfo = rb_funcall2( rb_cPGconn, rb_intern("parse_connect_args"), argc, argv );
                                            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
pg_connection.c:324:33: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        conninfo = rb_funcall2( klass, rb_intern("parse_connect_args"), argc, argv );
                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
pg_connection.c:324:33: note: '{' token is here
        conninfo = rb_funcall2( klass, rb_intern("parse_connect_args"), argc, argv );
                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
pg_connection.c:324:33: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        conninfo = rb_funcall2( klass, rb_intern("parse_connect_args"), argc, argv );
                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
pg_connection.c:324:33: note: ')' token is here
        conninfo = rb_funcall2( klass, rb_intern("parse_connect_args"), argc, argv );
                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
pg_connection.c:367:33: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        conninfo = rb_funcall2( klass, rb_intern("parse_connect_args"), argc, argv );
                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
pg_connection.c:367:33: note: '{' token is here
        conninfo = rb_funcall2( klass, rb_intern("parse_connect_args"), argc, argv );
                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
pg_connection.c:367:33: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        conninfo = rb_funcall2( klass, rb_intern("parse_connect_args"), argc, argv );
                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
pg_connection.c:367:33: note: ')' token is here
        conninfo = rb_funcall2( klass, rb_intern("parse_connect_args"), argc, argv );
                                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
pg_connection.c:842:20: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        ID id_autoclose = rb_intern("autoclose=");
                          ^~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
pg_connection.c:842:20: note: '{' token is here
        ID id_autoclose = rb_intern("autoclose=");
                          ^~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
pg_connection.c:842:20: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        ID id_autoclose = rb_intern("autoclose=");
                          ^~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
pg_connection.c:842:20: note: ')' token is here
        ID id_autoclose = rb_intern("autoclose=");
                          ^~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
pg_connection.c:856:35: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                socket_io = rb_funcall( rb_cIO, rb_intern("for_fd"), 1, INT2NUM(ruby_sd) );
                                                ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:856:35: note: '{' token is here
                socket_io = rb_funcall( rb_cIO, rb_intern("for_fd"), 1, INT2NUM(ruby_sd) );
                                                ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:856:35: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                socket_io = rb_funcall( rb_cIO, rb_intern("for_fd"), 1, INT2NUM(ruby_sd) );
                                                ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:856:35: note: ')' token is here
                socket_io = rb_funcall( rb_cIO, rb_intern("for_fd"), 1, INT2NUM(ruby_sd) );
                                                ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2220:23: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_relname = ID2SYM(rb_intern("relname"));
                             ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2220:23: note: '{' token is here
        sym_relname = ID2SYM(rb_intern("relname"));
                             ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2220:23: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_relname = ID2SYM(rb_intern("relname"));
                             ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2220:23: note: ')' token is here
        sym_relname = ID2SYM(rb_intern("relname"));
                             ^~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2221:22: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_be_pid = ID2SYM(rb_intern("be_pid"));
                            ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2221:22: note: '{' token is here
        sym_be_pid = ID2SYM(rb_intern("be_pid"));
                            ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2221:22: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_be_pid = ID2SYM(rb_intern("be_pid"));
                            ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2221:22: note: ')' token is here
        sym_be_pid = ID2SYM(rb_intern("be_pid"));
                            ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2222:21: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_extra = ID2SYM(rb_intern("extra"));
                           ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2222:21: note: '{' token is here
        sym_extra = ID2SYM(rb_intern("extra"));
                           ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2222:21: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_extra = ID2SYM(rb_intern("extra"));
                           ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2222:21: note: ')' token is here
        sym_extra = ID2SYM(rb_intern("extra"));
                           ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:2394:3: error: implicit declaration of function 'gettimeofday' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                gettimeofday(&currtime, NULL);
                ^
pg_connection.c:2411:4: error: implicit declaration of function 'gettimeofday' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
                        gettimeofday(&currtime, NULL);
                        ^
pg_connection.c:2734:26: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        if(rb_respond_to(stream,rb_intern("fileno")) == Qfalse)
                                ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
pg_connection.c:2734:26: note: '{' token is here
        if(rb_respond_to(stream,rb_intern("fileno")) == Qfalse)
                                ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
pg_connection.c:2734:26: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        if(rb_respond_to(stream,rb_intern("fileno")) == Qfalse)
                                ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
pg_connection.c:2734:26: note: ')' token is here
        if(rb_respond_to(stream,rb_intern("fileno")) == Qfalse)
                                ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
pg_connection.c:2737:30: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        fileno = rb_funcall(stream, rb_intern("fileno"), 0);
                                    ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2737:30: note: '{' token is here
        fileno = rb_funcall(stream, rb_intern("fileno"), 0);
                                    ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2737:30: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        fileno = rb_funcall(stream, rb_intern("fileno"), 0);
                                    ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2737:30: note: ')' token is here
        fileno = rb_funcall(stream, rb_intern("fileno"), 0);
                                    ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2754:32: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        new_file = rb_funcall(rb_cIO, rb_intern("new"), 1, INT2NUM(new_fd));
                                      ^~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2754:32: note: '{' token is here
        new_file = rb_funcall(rb_cIO, rb_intern("new"), 1, INT2NUM(new_fd));
                                      ^~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2754:32: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        new_file = rb_funcall(rb_cIO, rb_intern("new"), 1, INT2NUM(new_fd));
                                      ^~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2754:32: note: ')' token is here
        new_file = rb_funcall(rb_cIO, rb_intern("new"), 1, INT2NUM(new_fd));
                                      ^~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2773:33: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        rb_funcall(this->trace_stream, rb_intern("close"), 0);
                                       ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2773:33: note: '{' token is here
        rb_funcall(this->trace_stream, rb_intern("close"), 0);
                                       ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2773:33: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        rb_funcall(this->trace_stream, rb_intern("close"), 0);
                                       ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2773:33: note: ')' token is here
        rb_funcall(this->trace_stream, rb_intern("close"), 0);
                                       ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2792:37: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                rb_funcall(this->notice_receiver, rb_intern("call"), 1, result);
                                                  ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2792:37: note: '{' token is here
                rb_funcall(this->notice_receiver, rb_intern("call"), 1, result);
                                                  ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2792:37: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                rb_funcall(this->notice_receiver, rb_intern("call"), 1, result);
                                                  ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2792:37: note: ')' token is here
                rb_funcall(this->notice_receiver, rb_intern("call"), 1, result);
                                                  ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2869:37: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                rb_funcall(this->notice_receiver, rb_intern("call"), 1, message_str);
                                                  ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2869:37: note: '{' token is here
                rb_funcall(this->notice_receiver, rb_intern("call"), 1, message_str);
                                                  ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2869:37: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
                rb_funcall(this->notice_receiver, rb_intern("call"), 1, message_str);
                                                  ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:2869:37: note: ')' token is here
                rb_funcall(this->notice_receiver, rb_intern("call"), 1, message_str);
                                                  ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:2473:20: note: expanded from macro 'rb_funcall'
        rb_funcallv(recv, mid, \
                          ^~~
pg_connection.c:3771:16: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        s_id_encode = rb_intern("encode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
pg_connection.c:3771:16: note: '{' token is here
        s_id_encode = rb_intern("encode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
pg_connection.c:3771:16: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        s_id_encode = rb_intern("encode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
pg_connection.c:3771:16: note: ')' token is here
        s_id_encode = rb_intern("encode");
                      ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
pg_connection.c:3772:20: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_type = ID2SYM(rb_intern("type"));
                          ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3772:20: note: '{' token is here
        sym_type = ID2SYM(rb_intern("type"));
                          ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3772:20: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_type = ID2SYM(rb_intern("type"));
                          ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3772:20: note: ')' token is here
        sym_type = ID2SYM(rb_intern("type"));
                          ^~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3773:22: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_format = ID2SYM(rb_intern("format"));
                            ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3773:22: note: '{' token is here
        sym_format = ID2SYM(rb_intern("format"));
                            ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3773:22: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_format = ID2SYM(rb_intern("format"));
                            ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3773:22: note: ')' token is here
        sym_format = ID2SYM(rb_intern("format"));
                            ^~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3774:21: warning: '(' and '{' tokens introducing statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_value = ID2SYM(rb_intern("value"));
                           ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:23: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                      ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3774:21: note: '{' token is here
        sym_value = ID2SYM(rb_intern("value"));
                           ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1740:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    {                                                   \
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3774:21: warning: '}' and ')' tokens terminating statement expression appear in different macro expansion contexts [-Wcompound-token-split-by-macro]
        sym_value = ID2SYM(rb_intern("value"));
                           ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:24: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1745:5: note: expanded from macro 'RUBY_CONST_ID_CACHE'
    }
    ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
pg_connection.c:3774:21: note: ')' token is here
        sym_value = ID2SYM(rb_intern("value"));
                           ^~~~~~~~~~~~~~~~~~
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:1755:56: note: expanded from macro 'rb_intern'
        __extension__ (RUBY_CONST_ID_CACHE((ID), (str))) : \
                                                       ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:385:29: note: expanded from macro 'ID2SYM'
#define ID2SYM(x) RB_ID2SYM(x)
                            ^
/Users/tpowell/.rbenv/versions/2.5.7/include/ruby-2.5.0/ruby/ruby.h:380:33: note: expanded from macro 'RB_ID2SYM'
#define RB_ID2SYM(x) (rb_id2sym(x))
                                ^
52 warnings and 2 errors generated.
make: *** [pg_connection.o] Error 1

make failed, exit code 2


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