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authorEmil Velikov <emil.l.velikov@gmail.com>2013-09-19 17:21:01 +0100
committerEric Anholt <eric@anholt.net>2013-09-24 08:52:47 -0700
commitbf4a7cd4b2456d4dc93a86bbcc51eba4ae73390a (patch)
treeb32fb7e9763892333ce23b06f4cbfdf82d1d4440
parent0f4452bb51306024fbf4cbf77d8baab20cefba67 (diff)
configure: add AC_LANG_SOURCE call within AC_COMPILE_IFELSE
Documentation states that AC_*_IFELSE has to use AC_LANG_SOURCE or friends in order to generate the source code to compile. AC_LINK_IFELSE already handles this, thus convert AC_COMPILE_IFELSE to silence the final autoconf warnings. Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index d2e232b7..43e69544 100644
--- a/configure.ac
+++ b/configure.ac
@@ -111,7 +111,7 @@ AC_DEFUN([LIBDRM_CC_TRY_FLAG], [
libdrm_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $1"
- AC_COMPILE_IFELSE([ ], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([ ])], [libdrm_cc_flag=yes], [libdrm_cc_flag=no])
CFLAGS="$libdrm_save_CFLAGS"
if test "x$libdrm_cc_flag" = "xyes"; then