# @configure_input@
#
# Makefile template for MinGW.org Win32 API testsuite
#
# $Id$
#
# Written by Keith Marshall <keithmarshall@users.sourceforge.net>
# Copyright (C) 2017, 2019, 2020, MinGW.org Project
#
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the "Software"),
# to deal in the Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
# and/or sell copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice (including the next
# paragraph) shall be included in all copies or substantial portions of the
# Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.

srcdir = @srcdir@
top_srcdir = @top_srcdir@
top_builddir = @top_builddir@

# The default rule is "check"; it is a synonym for the "check-recursive"
# request, from the parent directory's make process, which initiates the
# installation of the package components to be tested, then prepares the
# testsuite itself, compiling it if necessary, and finally, runs it.
#
check check-recursive: check-install check-pretest check-local

check-local: testsuite
	$(SHELL) $^ $(TESTSUITEFLAGS)

check-install: testsuite.install
check-pretest: testsuite.pretest headers.at.pretest

vpath Makefile.in ${srcdir}
vpath config.status ${top_builddir}
Makefile: %: %.in config.status
	cd ${top_builddir}; ./config.status $(notdir ${CURDIR})/$@

LN_S = @LN_S@

# Favour any copy of the testsuite which already exists in the build
# directory, but fall back to any which may have been distributed with
# the source package.
#
testsuite.pretest: %.pretest: %.at.pretest
	test -r $* || if test -r ${srcdir}/$*; then \
	  $(LN_S) ${srcdir}/$* $*; fi

# The primary testsuite.at source is nominally generated, when the
# package is configured, but is then distributed within the release
# tarball; update it as a side effect of running the testsuite, but
# only if its content differs from any distributed copy, to ensure
# that users building from a release tarball can do so, without a
# requirement to install autom4te.
#
vpath %.at ${srcdir}
vpath %.at.in ${srcdir}
testsuite.at.pretest: %.pretest: %.tmp
	test -r $* || if test -r ${srcdir}/$*; then \
	  $(LN_S) ${srcdir}/$* $*; else touch $*; fi
	sed '1s,tests/$<,$*,' $< > $@
	cmp -s $@ $* || cp -f $@ $*
	$(RM) $@ $<

testsuite.at.tmp: %.tmp: ../config.status %.in
	cd ..; ./config.status tests/$@

# The enumerated list of headers, which are to be tested, is also a
# candidate for dynamic update; in this case, we prefer to update the
# list in place, within the testsuite source tree.
#
headers.at.pretest: W32API_AT_ENUM := W32API_AT_PACKAGE_HEADERS
headers.at.pretest: %.pretest:
	sed '/^m4_define(\[$(W32API_AT_ENUM)],/q' ${srcdir}/$* > $@
	$(call enum_headers,${top_srcdir}/include) >> $@
	$(call enum_header_subdirs,${top_srcdir}/include,$(HEADER_SUBDIRS))
	sed -n '/^])# $(W32API_AT_ENUM)/,$$p' ${srcdir}/$* >> $@
	cmp -s $@ ${srcdir}/$* || cp -f $@ ${srcdir}/$*
	$(RM) $@

enum_header_subdirs = $(foreach d,$2,$(call enum_headers,$1,$d) >> $@;)
enum_headers = printf '%s dnl\n' $(call list_headers,$1$(2:%=/%),$(2:%=%/))
list_headers = $(addprefix $2,$(sort $(notdir $(wildcard $1/*.h))))

# Compile the testsuite, from autotest sources.
#
AUTOTEST_COMPILE = $(autotest_@AUTOTEST_COMPILE@)
autotest_command = autom4te --language autotest --include ${srcdir}
autotest_missing = $(call missing,autom4te,Unable to compile the testsuite)

testsuite: %: %.at
	$(AUTOTEST_COMPILE) -o $* $<

testsuite: $(notdir $(wildcard ${srcdir}/*.at))

# Display a diagnostic message, explaining that any specified program
# is required, but has not been installed.
#
define missing
$(warning The program '$1' does not appear to be installed.)
$(call $1_description)$(error $2)
endef

# Describe the circumstances under which the autom4te program may be
# required for building the testsuite, as an adjunct to the diagnostic
# notification that it may need to be installed.
#
define autom4te_description
$(info )
$(info This program is used to compile the testsuite driver script, from)
$(info original autotest source files.  You need it when you are building)
$(info the testsuite from a checked-out clone of the source code repository;)
$(info otherwise, you should need it only if you have modified any of those)
$(info testsuite source files, or you have changed the package content in)
$(info any way which may cause any of these files to be regenerated.)
$(info )
$(info If you do need it, you may obtain it by installing GNU autoconf.)
$(info )
endef

# Install a local copy of the package components to be tested; we need
# the full w32api package, and also the mingwrt headers, including a stub
# for <features.h>, to ensure that we are testing what we've built, and
# not those which were installed with whatever compiler we are using
# for the build.
#
testsuite.install: install-w32api install-mingwrt-headers

install-w32api:
	$(MAKE) -C .. --no-print-directory prefix=${CURDIR} $@

chkconfig = ($1/config.status --version | grep $2) 2>&1 > /dev/null
install-mingwrt-headers:
	>> include/features.h
	@for dir in ../../mingwrt*; do \
	  if $(call chkconfig,$$dir,'MinGW C Runtime'); then \
	     $(MAKE) -C $$dir --no-print-directory prefix=${CURDIR} $@; break; \
	     fi; \
	  done

# $RCSfile$: end of file