configure.ac: backtrace() may be in libexecinfo

Bug: https://bugs.freedesktop.org/show_bug.cgi?id=69702
Reviewed-by: Simon McVittie <simon.mcvittie@collabora.co.uk>

diff --git a/configure.ac b/configure.ac
index b3d09e2eafffe5af142a65cee510c5bd91da5013..2a7f83fb23306c446498b0d07c1f913c3dfecc75 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -666,7 +666,10 @@ AC_CHECK_HEADERS(sys/resource.h)
 
 AC_CHECK_HEADERS(dirent.h)
 
-AC_CHECK_HEADERS(execinfo.h, [AC_CHECK_FUNCS(backtrace)])
+AC_CHECK_HEADERS([execinfo.h],
+       [AC_SEARCH_LIBS([backtrace], [execinfo],
+               [AC_DEFINE([HAVE_BACKTRACE], [1],
+                       [Define to 1 if you have backtrace().])])])
 
 AC_CHECK_HEADERS(errno.h)