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#! /bin/sh

srcdir=`dirname "$0"`
test -z "$srcdir" && srcdir=.

ORIGDIR=`pwd`
cd "$srcdir"

# If this is a git checkout, verify that the submodules are initialized,
# otherwise autotools will just fail with an unhelpful error message.
if [ -d ".git" ] && [ -r ".gitmodules" ]
then
	# If git is not in PATH, this will not return 0, thus not keeping us
	# from building. Since the message is worthless when git is not
	# installed, this is what we want.
	if git submodule status 2>/dev/null | grep -q '^-'
	then
		echo "You have uninitialized git submodules." >&2
		echo "Please run: git submodule update --init" >&2
		exit 1
	fi
fi

autoreconf -v --install || exit 1
cd "$ORIGDIR" || exit $?

git config --local --get format.subjectPrefix >/dev/null 2>&1 ||
    git config --local format.subjectPrefix "PATCH libxcb-wm"

if test -z "$NOCONFIGURE"; then
    exec "$srcdir"/configure "$@"
fi