# Template file for 'gcc-multilib'
archs="x86_64"
_triplet="x86_64-unknown-linux-gnu"

pkgname=gcc-multilib
version=10.2.1pre1
revision=1
_majorver="${version%.*}"
wrksrc=gcc-${version/pre/_pre}
short_desc="GNU Compiler Collection (multilib files)"
maintainer="Orphaned <orphan@voidlinux.org>"
homepage="http://gcc.gnu.org"
license="GFDL-1.2-or-later, GPL-3.0-or-later, LGPL-2.1-or-later"
distfiles="https://dev.alpinelinux.org/~nenolod/gcc-${version/pre/_pre}.tar.xz"
checksum=772cfd5d30eb9cc5a996fec9ba8cdcb45d37df1c9b5770610103b814b732c590

hostmakedepends="perl flex tar zip unzip"
makedepends="zlib-devel libmpc-devel isl15-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>=${_majorver}
 libvtv-devel-32bit>=${_majorver}
 zlib-32bit
 glibc-devel-32bit"
replaces="libmpx-devel-32bit>=0"

do_configure() {
	ldconfig &>/dev/null

	# _FORTIFY_SOURCE needs an optimization level.
	sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {gcc,libiberty}/configure
	# hack! some configure tests for header files using "$CPP $CPPFLAGS"
	sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {libiberty,gcc}/configure

	./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-default-pie \
		--enable-default-ssp \
		--enable-checking=release \
		--disable-libstdcxx-pch \
		--disable-target-libiberty \
		--with-isl \
		--enable-libstdcxx-time \
		--enable-tls \
		--enable-languages="c,c++,lto" \
		--with-linker-hash-style=gnu
}

do_build() {
	make ${makejobs}
}
do_install() {
	local _pc_triplet=x86_64-pc-linux-gnu _version=${version%pre1}
	# Install to a tempdir and then only copy relevant files.
	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/${_pc_triplet}/${_version}/32 \
		${DESTDIR}/usr/lib/gcc/${_triplet}/${_majorver}/
	cp -a ${wrksrc}/${pkgname}-build/usr/include/c++/${_version}/${_pc_triplet}/32 \
		${DESTDIR}/usr/include/c++/${_majorver}/${_triplet}

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

gcc-objc-multilib_package() {
	depends="gcc-multilib>=${_majorver} gcc-objc>=${_majorver} libobjc-devel-32bit>=${_majorver}"
	short_desc="GNU Objective-C compiler (multilib files)"
	build_style=meta
}