buildroot

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.