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-rw-r--r--configure.ac6
1 files changed, 2 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac
index b34ae3f4c..b9b72e3d7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -16,8 +16,7 @@ AC_CONFIG_AUX_DIR([build])
AM_INIT_AUTOMAKE([-Wall foreign subdir-objects tar-pax])
AM_PROG_CC_C_O
-m4_pattern_allow([AM_PROG_AR])
-AM_PROG_AR
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AC_DISABLE_STATIC
AC_PROG_INSTALL
AC_PROG_LIBTOOL
@@ -33,8 +32,7 @@ AC_DEFINE([PRERELEASE_VERSION], "PRERELEASE_VERSION_NUMBER",
AM_CONDITIONAL([GIT_CHECKOUT], [git log -1 &>/dev/null])
-m4_pattern_allow([AM_SILENT_RULES])
-AM_SILENT_RULES
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
AM_CONDITIONAL([HAVE_GCC], [test "$ac_cv_prog_gcc" = yes])