update m4 (from HEAD)RELEASE-0_4_0-DESPERATELYSEEKINGSEXINESSBRANCH-RELEASE-0_4_0

Original commit message from CVS:
update m4 (from HEAD)

1 files changed, 5 insertions, 4 deletions

diff --git a/m4/pkg.m4 b/m4/pkg.m4
index 874a120..c80e0ac 100644
--- a/m4/pkg.m4
+++ b/m4/pkg.m4
@@ -15,10 +15,8 @@ AC_DEFUN(PKG_CHECK_MODULES, [
      echo "*** to the full path to pkg-config."
      echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
   else
-     if ! $PKG_CONFIG --atleast-pkgconfig-version 0.7.0; then
-        echo "*** Your version of pkg-config is too old. You need version 0.7.0 or newer."
-        echo "*** See http://www.freedesktop.org/software/pkgconfig"
-     else
+     PKG_CONFIG_MIN_VERSION=0.9.0
+     if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
         AC_MSG_CHECKING(for $2)
 
         if $PKG_CONFIG --exists "$2" ; then
@@ -43,6 +41,9 @@ AC_DEFUN(PKG_CHECK_MODULES, [
 
         AC_SUBST($1_CFLAGS)
         AC_SUBST($1_LIBS)
+     else
+        echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
+        echo "*** See http://www.freedesktop.org/software/pkgconfig"
      fi
   fi