#!/bin/sh
#
# Copyright (c) 2019 David Demelier <markand@malikania.fr>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#

PKGNAME=argp-standalone
PKGVERSION=1.3
PKGREVISION=1
PKGLICENSE="GPLv2+"
PKGSUMMARY="argument parsing extracted from glibc"
PKGDOWNLOAD="http://www.lysator.liu.se/~nisse/misc/$PKGNAME-$PKGVERSION.tar.gz"

: ${CHOST:=$(uname -m)-linux-musl}
: ${CBUILD:=$(uname -m)-linux-musl}
: ${CC:=clang}
: ${CFLAGS:=-O2}
: ${LDFLAGS:=}
: ${LIBS:=}

if [ "$(uname -m)" = "x86_64" ]; then
	CFLAGS="-fPIC $CFLAGS"
fi

build()
{
	rm -rf $PKGNAME-$PKGVERSION
	tar xvaf $PKGNAME-$PKGVERSION.tar.gz
	pushd $PKGNAME-$PKGVERSION

	# TODO: build as shared instead of static.
	patch -p1 < ../gnu89-inline.patch
	patch -p1 < ../throw-in-funcdef.patch
	autoreconf -if
	CC="$CC" \
	CFLAGS="$CFLAGS" \
	LDFLAGS="$LDFLAGS" \
	LIBS="$LIBS" \
	./configure \
		--build=$CBUILD \
		--host=$CHOST \
		--prefix=
	make
	install -D -m 0644 argp.h $DESTDIR/include/argp.h
	install -D -m 0755 libargp.a $DESTDIR/lib/libargp.a

	popd
	rm -rf $PKGNAME-$PKGVERSION
}