Cleanup configuration for Cygwin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19284 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 30 insertions, 0 deletions

diff --git a/projects/sample/autoconf/AutoRegen.sh b/projects/sample/autoconf/AutoRegen.sh
new file mode 100755
index 0000000000..2655f21dc0
--- /dev/null
+++ b/projects/sample/autoconf/AutoRegen.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+die () {
+	echo "$@" 1>&2
+	exit 1
+}
+test -d autoconf && test -f autoconf/configure.ac && cd autoconf
+test -f configure.ac || die "Can't find 'autoconf' dir; please cd into it first"
+autoconf --version | egrep '2\.5[0-9]' > /dev/null
+if test $? -ne 0 ; then
+	die "Your autoconf was not detected as being 2.5x"
+fi
+cwd=`pwd`
+if test -d ../../../autoconf/m4 ; then
+  cd ../../../autoconf/m4
+  llvm_m4=`pwd`
+  cd $cwd
+elif test -d ../../llvm/autoconf/m4 ; then
+  cd ../../llvm/autoconf/m4
+  llvm_m4=`pwd`
+  cd $cwd
+else
+  die "Can't find the LLVM autoconf/m4 directory. llvm-test should be checked out to projects directory"
+fi
+echo "Regenerating aclocal.m4 with aclocal"
+rm -f aclocal.m4
+aclocal -I $cwd/m4 -I $llvm_m4 || die "aclocal failed"
+echo "Regenerating configure with autoconf 2.5x"
+autoconf --force --warnings=all -o ../configure configure.ac || die "autoconf failed"
+cd ..
+exit 0