scratch/igc 6185a57afed: * README-IGC: Expand macOS instructions.

[Stefan Kangas]

branch: scratch/igc
commit 6185a57afed3ef02b2608e6bc476d117b02c8e81
Author: Stefan Kangas <stefankangas@gmail.com>
Commit: Stefan Kangas <stefankangas@gmail.com>

    * README-IGC: Expand macOS instructions.
---
 README-IGC | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/README-IGC b/README-IGC
index fb6c248b8e6..993febbeb5c 100644
--- a/README-IGC
+++ b/README-IGC
@@ -46,6 +46,11 @@ Install 'libmps' from Homebrew with
 
   brew install libmps
 
+Then add something like this to your environment (e.g., to ~/.profile):
+
+  export CFLAGS="$CFLAGS -I$(brew --prefix libmps)/include"
+  export LDFLAGS="$LDFLAGS -L$(brew --prefix libmps)/lib"
+
 MS-Windows
 ----------