I needed to run an old version of Postgres in order to be supported by the version of Rails I was working with, and I had a new Mac with High Sierra installed. Found out after a bit of “Why doesn’t this postgres formula link its executables?” that it was precisely because of the age of the version that it wasn’t linking. (In my old Linux days I would have just automatically added the PATH or made the link, but I also would have probably rebuilt the Linux install within a few months, anyway.)
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| # doh this is a keg-only formula. Had to manually link CLI regardless of install method | |
| # run these to set up | |
| brew tap homebrew/versions | |
| brew install homebrew/versions/postgres94 | |
| brew services start postgresql@9.4 export | |
| # in your shell's RC file: | |
| PATH=/usr/local/opt/postgresql@9.4/bin:$PATH | |
| LDFLAGS=-L/usr/local/opt/postgresql@9.4/lib | |
| CPPFLAGS=-I/usr/local/opt/postgresql@9.4/include | |
| # For pkg-config to find this software you may need to set: | |
| PKG_CONFIG_PATH=/usr/local/opt/postgresql@9.4/lib/pkgconfig | |
| # -= end shell RC file =- | |
| # do your normal postgresql setup now | |
| initdb | |
| psql |