summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--configure.ac20
1 files changed, 18 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index e7dee78..4c2c586 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,9 +3,25 @@ AC_INIT([xcb-util],0.3.4,[xcb@lists.freedesktop.org])
AC_CONFIG_SRCDIR([Makefile.am])
AM_INIT_AUTOMAKE([foreign dist-bzip2])
-AC_CHECK_PROGS(M4, m4, [no])
+AC_CHECK_PROGS(M4, [m4 gm4], [no])
+if test $M4 != "no" ; then
+ AC_MSG_CHECKING([if $M4 supports -I])
+ if $M4 -I. /dev/null > /dev/null 2>&1 ; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ # Try finding the gnu version
+ AC_CHECK_PROGS(GM4, gm4, [no])
+ if test $GM4 = "no" ; then
+ AC_PATH_PROGS(GNUM4, m4, [no], [/usr/gnu/bin])
+ M4="$GNUM4"
+ else
+ M4="$GM4"
+ fi
+ fi
+fi
if test $M4 = "no"; then
- AC_MSG_ERROR([Can't find m4, please install it and try again])
+ AC_MSG_ERROR([Can't find usable m4, please install it and try again])
fi
AC_CHECK_PROGS(GPERF, gperf, [no])
if test $GPERF = "no"; then