#!/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=gcc
PKGVERSION=8.3.0
PKGREVISION=1
PKGLICENSE="GPLv3+"
PKGSUMMARY="GNU compiler collections"
PKGDOWNLOAD="ftp://gcc.gnu.org/pub/gcc/releases/$PKGNAME-$PKGVERSION/$PKGNAME-$PKGVERSION.tar.xz"
PKGDEPENDS="compression/zlib lib/gmp lib/mpfr lib/mpc"
PKGOPTIONS="NLS"

: ${CHOST:=$(uname -m)-linux-musl}
: ${CBUILD:=$(uname -m)-linux-musl}
: ${CTARGET:=$(uname -m)-linux-musl}
: ${CC:=gcc}
: ${CFLAGS:=-O2}
: ${CXX:=g++}
: ${CXXFLAGS:=-O2}
: ${LDFLAGS:=}
: ${LIBS:=}
: ${NLS:=yes}

if [ "$NLS" = "yes" ]; then
	PKGDEPENDS="core/gettext:build $PKGDEPENDS"
	with_nls="--enable-nls"
else
	with_nls="--disable-nls"
fi

build()
{
	rm -rf $PKGNAME-$PKGVERSION
	tar xvf $PKGNAME-$PKGVERSION.tar.xz
	cd $PKGNAME-$PKGVERSION

	# on Vanilla Linux we use /lib rather than /lib64.
	sed -i -e '/m64=/s/lib64/lib/' gcc/config/i386/t-linux64
	sed -i -e 's/lib64/lib/' gcc/config/i386/linux64.h

	mkdir build && cd build
	CC="$CC" \
	CFLAGS="$CFLAGS" \
	CXX="$CXX" \
	CXXFLAGS="$CXXFLAGS" \
	LDFLAGS="$LDFLAGS" \
	LIBS="$LIBS" \
	../configure \
		--build=$CBUILD \
		--host=$CHOST \
		--target=$CTARGET \
		--prefix= \
		--enable-languages=c,c++ \
		--enable-threads=posix \
		--enable-__cxa_atexit \
		--libdir=/lib \
		--with-system-zlib \
		--enable-shared \
		--enable-tls \
		--enable-default-pie \
		--enable-default-ssp \
		--disable-multilib \
		--disable-bootstrap \
		--disable-libsanitizer \
		--disable-libgomp \
		--with-pkgversion="Vanilla 0.1" \
		--disable-static \
		$with_nls
	make
	make install DESTDIR=$DESTDIR
	rm -f usr/lib/lib{atomic,cc1,itm,mpx,mpxwrappers,quadmath}.la
	rm -f usr/lib/lib{ssp,ssp_nonshared}.la
	rm -f usr/lib/libstdc++{,fs}.la
	rm -f usr/lib/libsupc++.la
	rm -f usr/lib/gcc/x86_64-linux-musl/8.3.0/plugin/libcc1plugin.la
	rm -f usr/lib/gcc/x86_64-linux-musl/8.3.0/plugin/libcp1plugin.la
	cd ..

	cd ..
	rm -rf $PKGNAME-$PKGVERSION
}
