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-rw-r--r--xorg-macros.m4.in6
1 files changed, 4 insertions, 2 deletions
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