Philip Hyunsu Cho 37ddfd7d6e
Fix broken R test: Install Homebrew GCC (#4142)
* Fix broken R test: Install Homebrew GCC

Missing GCC Fortran causes installation failure of a dependency package
(igraph)

* Register gfortran system-wide

* Use correct keg

* Set env vars to change compiler choice

* Do not break other Mac builds

* Nuclear option: symlink gfortran

* Use /usr/local/bin instead of /usr/bin

* Symlink library path too

* Update run_test.sh
2019-02-15 07:23:05 -08:00
..
2019-01-30 09:43:57 -08:00