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configure.ac: add check for NO_GETCONTEXT definition
Signed-off-by: Samuel Martin <s.martin49@gmail.com>
[yann.morin.1998@free.fr: add a comment, change variable name, use
AS_IF, remove debug traces, use AC_CHECK_FUNCS (as suggested by
Thomas)]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
---
configure.ac | 6 ++++++
1 file changed, 6 insertions(+)
--- bdwgc-7.2f.orig/configure.ac 2014-06-01 19:00:47.000000000 +0200
+++ bdwgc-7.2f/configure.ac 2014-12-23 14:13:11.585716713 +0100
@@ -365,6 +365,12 @@
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="$CFLAGS -DNO_GETCONTEXT"
+ CPPFLAGS="$CPPFLAGS -DNO_GETCONTEXT"])
+
case "$host" in
# While IRIX 6 has libdl for the O32 and N32 ABIs, it's missing for N64
# and unnecessary everywhere.
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