#! /bin/sh
# Copyright (C) 2012 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Test Automake-provided internal macro 'am__ensure_dir_exists'.

am_create_testdir=empty
. ./defs || exit 1

cp "$am_amdir"/header-vars.am . \
  || fatal_ "fetching makefile fragment headers-vars.am"

# Filter out Automake comments and things that would need configure
# substitutions.
LC_ALL=C $EGREP -v '(^##|=.*@[a-zA-Z0-9_]+@)' header-vars.am > defn.mk
rm -f header-vars.am

cat > Makefile << 'END'
include ./defn.mk

files = x/1 x/2 x/3

all: $(files)
.PHONY: all

sanity-check:
	$(warning $(call am__ensure_dir_exists,x))
	$(if $(filter $(call am__ensure_dir_exists,x),:MKDIR_P:),, \
             $(error am__ensure_dir_exists does not contain $$(MKDIR_P)))
.PHONY: sanity-check

$(files):
	$(call am__ensure_dir_exists,x)
	echo dummy > $@
END

# Sanity check.
$MAKE sanity-check MKDIR_P=:MKDIR_P:

# Basic usage.
$MAKE MKDIR_P='mkdir -p'
test -f x/1
test -f x/2
test -f x/3

# Mkdir is not called uselessly.
rm -rf x
mkdir x
$MAKE MKDIR_P=false

# Mkdir is  not called too many times.
rm -rf x
$MAKE MKDIR_P=mkdir
test -f x/1
test -f x/2
test -f x/3

: