From: Samuel Martin <s.martin49@gmail.com>
Date: Wed, 15 Mar 2017 21:39:37 +0000 (+0300)
Subject: configure.ac: add check for NO_GETCONTEXT definition
X-Git-Tag: v7.4.6~131
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=f1e37c77c2027d6f15bcc4ae76cebb7deb3f8c7d;p=gc

configure.ac: add check for NO_GETCONTEXT definition

* configure.ac: Add AC_CHECK_FUNCS(getcontext); add -DNO_GETCONTEXT to
CFLAGS if $ac_cv_func_getcontext is "no".
---

diff --git a/configure.ac b/configure.ac
index 95b2cfa3..093dbeac 100644
--- a/configure.ac
+++ b/configure.ac
@@ -456,6 +456,11 @@ if test "$GCC" = yes; then
   AC_MSG_RESULT($ac_cv_fno_strict_aliasing)
 fi
 
+# Check for getcontext (uClibc can be configured without it, for example)
+AC_CHECK_FUNCS([getcontext])
+AS_IF([test "$ac_cv_func_getcontext" = "no"],
+      [CFLAGS="$CFLAGS -DNO_GETCONTEXT"])
+
 case "$host" in
 # While IRIX 6 has libdl for the O32 and N32 ABIs, it's missing for N64
 # and unnecessary everywhere.