# Template build file for 'gcc-multilib'
only_for_archs="x86_64"
_triplet="x86_64-unknown-linux-gnu"
_majorver=4.9

pkgname=gcc-multilib
version=${_majorver}.3
revision=1
wrksrc="gcc-${version}"
short_desc="The GNU C Compiler (multilib files)"
maintainer="Juan RP <xtraeme@voidlinux.eu>"
homepage="http://gcc.gnu.org"
license="GFDL-1.2, GPL-3, LGPL-2.1"
distfiles="${GNU_SITE}/gcc/gcc-$version/gcc-$version.tar.bz2"
checksum=2332b2a5a321b57508b9031354a8503af6fdfb868b8c1748d33028d100a8b67e

hostmakedepends="perl flex zip unzip"
makedepends="zlib-devel libmpc-devel ppl-devel cloog-devel
 isl-devel libfl-devel glibc-32bit glibc-devel-32bit"

depends="
 gcc>=${_majorver}
 libgcc-32bit>=${_majorver}
 libssp-devel-32bit>=${_majorver}
 libgomp-devel-32bit>=${_majorver}
 libitm-devel-32bit>=${_majorver}
 libsanitizer-devel-32bit>=${_majorver}
 libatomic-devel-32bit>=${_majorver}
 libcilkrts-devel-32bit>=${_majorver}
 libvtv-devel-32bit>=${_majorver}
 zlib-32bit
 glibc-devel-32bit"

do_configure() {
	ldconfig &>/dev/null

	# _FORTIFY_SOURCE needs an optimization level.
	sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {gcc,libiberty}/configure
	# As specified in the LFS book, disable installing libiberty.
	sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in
	# Do not run fixincludes
	sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in

	./configure --prefix=/usr --mandir=/usr/share/man \
		--infodir=/usr/share/info --libexecdir=/usr/lib \
		--enable-clocale=gnu --disable-bootstrap --libdir=/usr/lib \
		--enable-threads=posix --enable-__cxa_atexit --enable-multilib \
		--disable-rpath --with-system-zlib --enable-shared --enable-lto \
		--enable-linker-build-id --enable-gnu-unique-object \
		--enable-checking=release --disable-libstdcxx-pch \
		--with-ppl --enable-cloog-backend=isl --enable-libstdcxx-time \
		--enable-tls --enable-languages="c,c++,lto" \
		--with-linker-hash-style=gnu
}

do_build() {
	make ${makejobs}
}
do_install() {
	# Install to a tempdir and then only copy relevant files.
	if [ "$XBPS_TARGET_MACHINE" = "x86_64" ]; then
		vmkdir usr/lib
		cd ${DESTDIR}/usr
		ln -sf lib lib64
	fi
	cd ${wrksrc}
	make DESTDIR=${wrksrc}/${pkgname}-build install

	# Make version a symlink of major version to make all versions
	# from the same series work automagically.
	vmkdir usr/include/c++/${_majorver}/${_triplet}
	vmkdir usr/lib/gcc/${_triplet}/${_majorver}

	cp -a ${wrksrc}/${pkgname}-build/usr/lib/gcc/${_triplet}/${version}/32 \
		${DESTDIR}/usr/lib/gcc/${_triplet}/${_majorver}/
	cp -a ${wrksrc}/${pkgname}-build/usr/include/c++/${version}/${_triplet}/32 \
		${DESTDIR}/usr/include/c++/${_majorver}/${_triplet}

	vinstall ${wrksrc}/host-${_triplet}/gcc/specs 644 usr/lib/gcc/${_triplet}/${_majorver}

	rm -f ${DESTDIR}/usr/lib64
}

gcc-c++-multilib_package() {
	depends="gcc-c++>=${_majorver} gcc-multilib>=${_majorver} libstdc++-devel-32bit>=${_majorver}"
	short_desc="GCC C++ compiler (multilib files)"
	pkg_install() {
		vmove usr/include/c++
	}
}
gcc-objc-multilib_package() {
	depends="gcc-multilib>=${_majorver} gcc-objc>=${_majorver} libobjc-devel-32bit>=${_majorver}"
	short_desc="The GNU Objective-C compiler (multilib files)"
}