#
# Copyright (c) 2010-2020 Julien Nadeau Carriere <vedge@hypertriton.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
# USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

use BSDBuild::Core;

# Built-in documentation stuff
sub BuiltinDoc
{
	print << 'EOF';
cat << EOT > conftest.1
.\" COMMENT
.Dd 
.Dd NOVEMBER 23, 2009
.Dt TEST 1
.Os
.ds vT Test
.ds oS Test 1.0
.Sh NAME
.Nm test
.Nd Test document
.Sh DESCRIPTION
EOT

HAVE_MANDOC='no'
MANDOC=''
bb_save_IFS=$IFS
IFS=$PATH_SEPARATOR
for path in $PATH; do
	if [ -x "${path}/mandoc" ]; then
		cat conftest.1 | ${path}/mandoc -Tascii >/dev/null
		if [ "$?" = '0' ]; then
			HAVE_MANDOC='yes'
			MANDOC="${path}/mandoc"
			break;
		fi
	elif [ -e "${path}/mandoc.exe" ]; then
		cat conftest.1 | ${path}/mandoc.exe -Tascii >/dev/null
		if [ "$?" = '0' ]; then
			HAVE_MANDOC='yes'
			MANDOC="${path}/mandoc.exe"
			break;
		fi
	elif [ -x "${path}/nroff" ]; then
		cat conftest.1 | ${path}/nroff -Tmandoc >/dev/null
		if [ "$?" = '0' ]; then
			HAVE_MANDOC='yes'
			MANDOC="${path}/nroff -Tmandoc"
			break;
		fi
	elif [ -e "${path}/nroff.exe" ]; then
		cat conftest.1 | ${path}/nroff.exe -Tmandoc >/dev/null
		if [ "$?" = '0' ]; then
			HAVE_MANDOC='yes'
			MANDOC="${path}/nroff.exe -Tmandoc"
			break;
		fi
	fi
done
IFS=$bb_save_IFS

rm -f conftest.1

if [ "${HAVE_MANDOC}" = 'no' ]; then
	if [ "${with_manpages}" = 'yes' ]; then
		echo '*'
		echo '* --with-manpages was requested, but either the'
		echo '* nroff/mandoc utility or the mdoc macro'
		echo '* package were not found.'
		echo '*'
		exit 1
	fi
	echo 'HAVE_MANDOC=no' >> Makefile.config
	echo 'NOMAN=yes' >> Makefile.config
	echo 'NOMANLINKS=yes' >> Makefile.config
else
	echo 'HAVE_MANDOC=yes' >> Makefile.config
	echo "MANDOC=${MANDOC}" >> Makefile.config
	if [ "${with_manpages}" = 'no' ]; then
		echo 'NOMAN=yes' >> Makefile.config
		echo 'NOMANLINKS=yes' >> Makefile.config
	else
		if [ "${with_manlinks}" != 'yes' ]; then
			echo 'NOMANLINKS=yes' >> Makefile.config
		fi
	fi
fi
if [ "${with_docs}" = 'no' ]; then
	echo 'NODOC=yes' >> Makefile.config
fi
EOF
}

# Built-in NLS options
sub BuiltinNLS
{
	MkIfTrue('${enable_nls}');
		MkDefine('ENABLE_NLS', 'yes');
		MkSaveDefine('ENABLE_NLS');
		# XXX
		print << 'EOF';
msgfmt=''
bb_save_IFS=$IFS
IFS=$PATH_SEPARATOR
for path in $PATH; do
	if [ -x "${path}/msgfmt" ]; then
		msgfmt=${path}/msgfmt
		break
	elif [ -e "${path}/msgfmt.exe" ]; then
		msgfmt=${path}/msgfmt.exe
		break
	fi
done
IFS=$bb_save_IFS

if [ "${msgfmt}" != '' ]; then
	HAVE_GETTEXT='yes'
else
	HAVE_GETTEXT='no'
fi
EOF
		MkSaveDefine('ENABLE_NLS');
	MkElse;
		MkDefine('ENABLE_NLS', 'no');
		MkDefine('HAVE_GETTEXT', 'no');
		MkSaveUndef('ENABLE_NLS');
	MkEndif;

	MkSave('ENABLE_NLS', 'HAVE_GETTEXT');
}

# Built-in ctags options.
sub BuiltinCtags
{
	print << 'EOF';
CTAGS=''
bb_save_IFS=$IFS
IFS=$PATH_SEPARATOR
if [ "${with_ctags}" = 'yes' ]; then
	for path in $PATH; do
		if [ -x "${path}/ectags" ]; then
			CTAGS="${path}/ectags"
			break
		elif [ -e "${path}/ectags.exe" ]; then
			CTAGS="${path}/ectags.exe"
			break
		fi
	done
	if [ "${CTAGS}" = '' ]; then
		for path in $PATH; do
			if [ -x "${path}/ctags" ]; then
				CTAGS="${path}/ctags"
				break
			elif [ -e "${path}/ctags.exe" ]; then
				CTAGS="${path}/ctags.exe"
				break
			fi
		done
	fi
fi
IFS=$bb_save_IFS
echo "CTAGS=${CTAGS}" >> Makefile.config
EOF
}

sub BuiltinLibtool
{
	print << 'EOF';
if [ "${with_libtool}" != '' -a "${with_libtool}" != "no" ]; then
	if [ "${prefix_libtool}" != '' -a "${prefix_libtool}" != 'bundled' ]; then
		LIBTOOL_BUNDLED='no'
		LIBTOOL="${prefix_libtool}"
	else
		LIBTOOL_BUNDLED='yes'
		LIBTOOL=\${TOP}/mk/libtool/libtool
	fi
	echo "USE_LIBTOOL=Yes" >> Makefile.config
	echo "LIBTOOL_BUNDLED=${LIBTOOL_BUNDLED}" >> Makefile.config
	echo "LIBTOOL=${LIBTOOL}" >> Makefile.config
else
	echo "USE_LIBTOOL=No" >> Makefile.config
fi
EOF
}

BEGIN
{
	require Exporter;

	@ISA = qw(Exporter);
	@EXPORT = qw(BuiltinDoc BuiltinNLS BuiltinCtags BuiltinLibtool);
}
;1