vendor/llvm/llvm-r72732

1 files changed, 48 insertions, 0 deletions

diff --git a/autoconf/AutoRegen.sh b/autoconf/AutoRegen.sh
new file mode 100755
index 0000000000000..3dca386737181
--- /dev/null
+++ b/autoconf/AutoRegen.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+die () {
+	echo "$@" 1>&2
+	exit 1
+}
+
+### NOTE: ############################################################"
+### The below two variables specify the auto* versions
+### periods should be escaped with backslash, for use by grep
+want_autoconf_version='2\.60'
+want_autoheader_version=$want_autoconf_version
+### END NOTE #########################################################"
+
+
+outfile=configure
+configfile=configure.ac
+
+want_autoconf_version_clean=`echo $want_autoconf_version | sed -e 's/\\\\//g'`
+want_autoheader_version_clean=`echo $want_autoheader_version | sed -e 's/\\\\//g'`
+
+test -d autoconf && test -f autoconf/$configfile && cd autoconf
+test -f $configfile || die "Can't find 'autoconf' dir; please cd into it first"
+autoconf --version | grep $want_autoconf_version > /dev/null
+test $? -eq 0 || die "Your autoconf was not detected as being $want_autoconf_version_clean"
+aclocal --version | grep '^aclocal.*1\.9\.6' > /dev/null
+test $? -eq 0 || die "Your aclocal was not detected as being 1.9.6"
+autoheader --version | grep '^autoheader.*'$want_autoheader_version > /dev/null
+test $? -eq 0 || die "Your autoheader was not detected as being $want_autoheader_version_clean"
+libtool --version | grep '1\.5\.22' > /dev/null
+test $? -eq 0 || die "Your libtool was not detected as being 1.5.22"
+echo ""
+echo "### NOTE: ############################################################"
+echo "### If you get *any* warnings from autoconf below you MUST fix the"
+echo "### scripts in the m4 directory because there are future forward"
+echo "### compatibility or platform support issues at risk. Please do NOT"
+echo "### commit any configure script that was generated with warnings"
+echo "### present. You should get just three 'Regenerating..' lines."
+echo "######################################################################"
+echo ""
+echo "Regenerating aclocal.m4 with aclocal 1.9.6"
+cwd=`pwd`
+aclocal --force -I $cwd/m4 || die "aclocal failed"
+echo "Regenerating configure with autoconf $want_autoconf_version_clean"
+autoconf --force --warnings=all -o ../$outfile $configfile || die "autoconf failed"
+cd ..
+echo "Regenerating config.h.in with autoheader $want_autoheader_version_clean"
+autoheader --warnings=all -I autoconf -I autoconf/m4 autoconf/$configfile || die "autoheader failed"
+exit 0