From e03a5cb9f313c6f5de3edc46327eb18b300b92c2 Mon Sep 17 00:00:00 2001 From: Alan Coopersmith Date: Sat, 14 May 2011 09:10:13 -0700 Subject: Add AC_LANG_DEFINES_PROVIDED to XORG_RAW_CPP to silence autoconf warnings Since we're intentionally doing a special case to just check cpp output, and not a full program compilation, add the magic macro to silence: configure.ac:46: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body ../../lib/autoconf/lang.m4:194: AC_LANG_CONFTEST is expanded from... aclocal.m4:1077: XORG_PROG_RAWCPP is expanded from... configure.ac:46: the top level Signed-off-by: Alan Coopersmith --- xorg-macros.m4.in | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'xorg-macros.m4.in') diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in index f89efb6..a21cf7e 100644 --- a/xorg-macros.m4.in +++ b/xorg-macros.m4.in @@ -64,7 +64,8 @@ AC_PATH_PROGS(RAWCPP, [cpp], [${CPP}], # which is not the best choice for supporting other OS'es, but covers most # of the ones we need for now. AC_MSG_CHECKING([if $RAWCPP requires -undef]) -AC_LANG_CONFTEST([Does cpp redefine unix ?]) +AC_LANG_CONFTEST([Does cpp redefine unix ? + AC_LANG_DEFINES_PROVIDED]) if test `${RAWCPP} < conftest.$ac_ext | grep -c 'unix'` -eq 1 ; then AC_MSG_RESULT([no]) else @@ -82,7 +83,8 @@ fi rm -f conftest.$ac_ext AC_MSG_CHECKING([if $RAWCPP requires -traditional]) -AC_LANG_CONFTEST([Does cpp preserve "whitespace"?]) +AC_LANG_CONFTEST([Does cpp preserve "whitespace"? + AC_LANG_DEFINES_PROVIDED]) if test `${RAWCPP} < conftest.$ac_ext | grep -c 'preserve \"'` -eq 1 ; then AC_MSG_RESULT([no]) else -- cgit v1.2.3