1 files changed, 30 insertions, 1 deletions
diff --git a/autogen.sh b/autogen.sh
index 6740c04d..cc22725f 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,5 +1,34 @@
 #!/bin/sh
-aclocal -I `dirname $0`/m4
+# We want to support both legacy and current autoconf - this is a bit ugly...
+AC_VERSION=`autoconf --version 2>&1 |cut -d' ' -f3 |sed -e "s/\.//;s/[a-z]//"`
+if test -z "$AC_VERSION"; then
+	echo "Warning: Couldn't determine autoconf version. Assuming a current version."
+	AC_VERSION=252
+fi
+if test "$AC_VERSION" -lt 250; then
+	rm -f acinclude.m4
+	echo "#undef ssize_t" >acconfig.h
+	for i in m4/*.m4; do
+		if cat $i |grep -q "jm_"; then
+			cat $i >>acinclude.m4
+		elif test ! -e /usr/share/aclocal/`basename $i`; then
+			cat $i >>acinclude.m4
+		fi
+	done
+	aclocal
+else
+	aclocal -I m4
+fi
 autoheader
 automake -a
+if test "$AC_VERSION" -lt 250; then
+	# Workaround for a bug in ancient versions of autoheader
+	sed -e 's,#undef $,/* your autoheader is buggy */,g' config.hin >config.hin.new
+	rm config.hin
+	mv config.hin.new config.hin
+	# Make sure config.hin doesn't get rebuilt after the workaround
+	sed -e 's,@AUTOHEADER@,true,' Makefile.in >Makefile.in.new
+	rm Makefile.in
+	mv Makefile.in.new Makefile.in
+fi
 autoconf