From 38e35ad4c9ff6c4af083f0a3e6fd44aa5afcf4cc Mon Sep 17 00:00:00 2001 From: Christopher Wellons Date: Thu, 4 Apr 2019 21:44:44 -0400 Subject: [PATCH] Add note about __EXTENSIONS__ to README (illumos) --- README.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/README.md b/README.md index e1279d1..b13d12c 100644 --- a/README.md +++ b/README.md @@ -103,5 +103,8 @@ to remove GCC-specific options. For example, on Solaris: make CFLAGS=-fast LDFLAGS= LDLIBS='-lnsl -lrt -lsocket' +The feature test macros on these systems isn't reliable, so you may also +need to use `-D__EXTENSIONS__` in `CFLAGS`. + [np]: https://nullprogram.com/blog/2019/03/22/