pmaports/cross/gcc-loongarch64/APKBUILD

# Automatically generated aport, do not edit!
# Generator: pmbootstrap aportgen gcc-loongarch64
# Based on: main/gcc (from Alpine)
CTARGET_ARCH=loongarch64
CTARGET="$(arch_to_hostspec ${CTARGET_ARCH})"
LANG_D=false
LANG_OBJC=false
LANG_JAVA=false
LANG_GO=false
LANG_FORTRAN=false
LANG_ADA=false
options="!strip"

# abuild doesn't try to tries to install "build-base-$CTARGET_ARCH"
# when this variable matches "no*"
BOOTSTRAP="nobuildbase"

# abuild will only cross compile when this variable is set, but it
# needs to find a valid package database in there for dependency
# resolving, so we set it to /.
CBUILDROOT="/"

_cross_configure="--disable-bootstrap --with-sysroot=/usr/$CTARGET"

maintainer="Oliver Smith <ollieparanoid@postmarketos.org>"
pkgname=gcc-loongarch64
pkgver=15.2.0
# i.e. 13.2.1, must match gcc/BASE-VER
_pkgbase="${pkgver%%_git*}"
# date component from snapshots
_pkgsnap="${pkgver##*_git}"
[ "$BOOTSTRAP" = "nolibc" ] && pkgname="gcc-pass2"
[ "$CBUILD" != "$CHOST" ] && _cross="-$CARCH" || _cross=""
[ "$CHOST" != "$CTARGET" ] && _target="-$CTARGET_ARCH" || _target=""

pkgname=gcc-loongarch64
pkgrel=8
pkgdesc="Stage2 cross-compiler for loongarch64"
url="https://gcc.gnu.org"
arch="aarch64 x86_64"
license="GPL-2.0-or-later AND LGPL-2.1-or-later"
_gccrel=$pkgver-r$pkgrel
depends="binutils-loongarch64 mpc1 so:libgcc_s.so.1 so:libgmp.so.10 so:libisl.so.23 so:libmpc.so.3 so:libmpfr.so.6 so:libstdc++.so.6 so:libz.so.1"

case "$CARCH" in
aarch64) depends="$depends so:libc.musl-aarch64.so.1" ;;
x86_64) depends="$depends so:libc.musl-x86_64.so.1" ;;
esac
makedepends_build="gcc g++ bison flex texinfo gawk zip gmp-dev mpfr-dev mpc1-dev zlib-dev"
makedepends_host="linux-headers gmp-dev mpfr-dev mpc1-dev isl-dev zlib-dev musl-dev-loongarch64 binutils-loongarch64"
subpackages="g++-loongarch64:gpp libstdc++-dev-loongarch64:libcxx_dev"
[ "$CHOST" = "$CTARGET" ] && subpackages="gcc-gdb gcc-doc"
replaces="libstdc++ binutils"
options="!strip !tracedeps toolchain"

: "${LANG_CXX:=true}"
: "${LANG_D:=true}"
: "${LANG_OBJC:=true}"
: "${LANG_GO:=true}"
: "${LANG_FORTRAN:=true}"
: "${LANG_ADA:=true}"
: "${LANG_JIT:=true}"

_libgomp=true
_libgcc=false
_libatomic=true
_libitm=true

if [ "$CHOST" != "$CTARGET" ]; then
	if [ "$BOOTSTRAP" = nolibc ]; then
		LANG_CXX=false
		LANG_D=false
		LANG_ADA=false
		_libgcc=false
		_builddir="$srcdir/build-cross-pass2"
	else
		_builddir="$srcdir/build-cross-final"
	fi
	LANG_OBJC=false
	LANG_GO=false
	LANG_FORTRAN=false
	LANG_JIT=false
	_libgomp=false
	_libatomic=false
	_libitm=false

	# format-sec: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100431
	CPPFLAGS="${CPPFLAGS/-Werror=format-security/}"
	# reset target flags (should be set in crosscreate abuild)
	# fixup flags. seems gcc treats CPPFLAGS as global without
	# _FOR_xxx variants. wrap it in CFLAGS and CXXFLAGS.
	export CFLAGS="$CPPFLAGS -g0 ${CFLAGS/-Werror=format-security/}"
	export CXXFLAGS="$CPPFLAGS -g0 ${CXXFLAGS/-Werror=format-security/}"
	unset CPPFLAGS
	export CFLAGS_FOR_TARGET=" "
	export CXXFLAGS_FOR_TARGET=" "
	export LDFLAGS_FOR_TARGET=" "

	STRIP_FOR_TARGET="$CTARGET-strip"
elif [ "$CBUILD" != "$CHOST" ]; then
	# format-sec: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100431
	CPPFLAGS="${CPPFLAGS/-Werror=format-security/}"
	# fixup flags. seems gcc treats CPPFLAGS as global without
	# _FOR_xxx variants. wrap it in CFLAGS and CXXFLAGS.
	export CFLAGS="$CPPFLAGS -g0 ${CFLAGS/-Werror=format-security/}"
	export CXXFLAGS="$CPPFLAGS -g0 ${CXXFLAGS/-Werror=format-security/}"
	unset CPPFLAGS

	# reset flags and cc for build
	export CC_FOR_BUILD="gcc"
	export CXX_FOR_BUILD="g++"
	export CFLAGS_FOR_BUILD=" "
	export CXXFLAGS_FOR_BUILD=" "
	export LDFLAGS_FOR_BUILD=" "
	export CFLAGS_FOR_TARGET=" "
	export CXXFLAGS_FOR_TARGET=" "
	export LDFLAGS_FOR_TARGET=" "

	# Languages that do not need bootstrapping
	LANG_OBJC=false
	LANG_GO=false
	LANG_FORTRAN=false
	LANG_JIT=false

	STRIP_FOR_TARGET=${CROSS_COMPILE}strip
	_builddir="$srcdir/build-cross-native"
else
	STRIP_FOR_TARGET=${CROSS_COMPILE}strip
	_builddir="$srcdir/build"

	# format-sec: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100431
	CPPFLAGS="${CPPFLAGS/-Werror=format-security/}"
	# pass -g0 by default to bypass -g, since we don't do debug
	# if -dbg added, the -g is appended and overrides this
	export CFLAGS="$CPPFLAGS -g0 ${CFLAGS/-Werror=format-security/} -O2"
	export CXXFLAGS="$CPPFLAGS -g0 ${CXXFLAGS/-Werror=format-security/} -O2"
	unset CPPFLAGS
	# https://gcc.gnu.org/install/build.html
	export CFLAGS_FOR_TARGET="$CFLAGS"
	export CXXFLAGS_FOR_TARGET="$CXXFLAGS"
	export LDFLAGS_FOR_TARGET="$LDFLAGS"
	export BOOT_CFLAGS="$CFLAGS"
	export BOOT_LDFLAGS="$LDFLAGS"
fi

case "$CTARGET_ARCH" in
# GDC hasn't been ported to PowerPC (LIBDRUNTIME_ONLY=yes)
# See libphobos/configure.tgt in GCC sources for supported targets
# riscv fails with: error: static assert  "unimplemented"
ppc*|riscv64)	LANG_D=false ;;
# GDC does currently not work on 32-bit musl architectures.
# This is a known upstream issue.
# See: https://github.com/dlang/druntime/pull/3383
armhf|armv7|x86)	LANG_D=false ;;
esac

# libitm has TEXTRELs in ARM build, so disable for now
case "$CTARGET_ARCH" in
arm*)		_libitm=false ;;
mips*)		_libitm=false ;;
riscv64)	_libitm=false ;;
loongarch64)	_libitm=false ;;
esac

# Internal libffi fails to build on MIPS at the moment, need to
# investigate further.  We disable LANG_GO on mips64 as it requires
# the internal libffi.
case "$CTARGET_ARCH" in
mips*)		LANG_GO=false ;;
loongarch64)	LANG_GO=false ;;
esac

# Fortran uses libquadmath if toolchain has __float128
# currently on x86, x86_64 and ia64
_libquadmath=$LANG_FORTRAN
case "$CTARGET_ARCH" in
x86 | x86_64 | ppc64le) ;;
*)		_libquadmath=false ;;
esac

# libatomic is a dependency for openvswitch
$_libatomic && subpackages="$subpackages libatomic::$CTARGET_ARCH"
if $_libgcc; then
	depends="$depends libgcc-static$_target"
	subpackages="$subpackages libgcc::$CTARGET_ARCH libgcc-static$_target:libgccstatic"
fi
$_libquadmath && subpackages="$subpackages libquadmath::$CTARGET_ARCH"
if $_libgomp; then
	depends="$depends libgomp=$_gccrel"
	subpackages="$subpackages libgomp::$CTARGET_ARCH"
fi

_languages=c
if $LANG_CXX; then
	_languages="$_languages,c++"
fi
if $LANG_D; then
	subpackages="$subpackages gcc-gdc$_target:gdc"
	_languages="$_languages,d"
	makedepends_build="$makedepends_build libucontext-dev"
	if [ "$CBUILD" = "$CTARGET" ]; then
		makedepends_build="$makedepends_build gcc-gdc-bootstrap"
		subpackages="$subpackages libgphobos::$CTARGET_ARCH"
	else
		# shared libgphobos is for D programs to link against, so
		# skip building that while cross-compiling the GDC compiler
		makedepends_build="$makedepends_build gcc-gdc gcc-gdc$_cross"
	fi
fi
if $LANG_OBJC; then
	subpackages="$subpackages libobjc::$CTARGET_ARCH gcc-objc$_target:objc"
	_languages="$_languages,objc"
fi
if $LANG_GO; then
	subpackages="$subpackages libgo::$CTARGET_ARCH gcc-go$_target:go"
	_languages="$_languages,go"
fi
if $LANG_FORTRAN; then
	subpackages="$subpackages libgfortran::$CTARGET_ARCH gfortran$_target:gfortran"
	_languages="$_languages,fortran"
fi
if $LANG_ADA; then
	subpackages="$subpackages gcc-gnat$_target:gnat libgnat::$CTARGET_ARCH"
	_languages="$_languages,ada"
	if [ "$CBUILD" = "$CTARGET" ]; then
		makedepends_build="$makedepends_build gcc-gnat-bootstrap"
		subpackages="$subpackages libgnat-static:libgnatstatic:$CTARGET_ARCH"
	else
		makedepends_build="$makedepends_build gcc-gnat gcc-gnat$_cross"
	fi
fi
if $LANG_JIT; then
	subpackages="$subpackages libgccjit:jit libgccjit-dev:jitdev"
fi

# when using upstream releases, use this URI template
# https://gcc.gnu.org/pub/gcc/releases/gcc-$_pkgbase/gcc-$_pkgbase.tar.xz
#
# right now, we are using a git snapshot. snapshots are taken from gcc.gnu.org/pub/gcc/snapshots.
# However, since they are periodically deleted from the GCC mirrors the utilized snapshots are
# mirrored on dev.alpinelinux.org. Please ensure that the snapshot Git commit (as stated in the
# README) matches the base commit on the version-specific branch in the Git repository below.
#
# PLEASE submit all patches to gcc to https://gitlab.alpinelinux.org/kaniini/alpine-gcc-patches,
# so that they can be properly tracked and easily rebased if needed.
#source="https://dev.alpinelinux.org/archive/gcc/${_pkgbase%%.*}-$_pkgsnap/gcc-${_pkgbase%%.*}-$_pkgsnap.tar.xz"
#source="https://gcc.gnu.org/pub/gcc/snapshots/${_pkgbase%%.*}-$_pkgsnap/gcc-${_pkgbase%%.*}-$_pkgsnap.tar.xz"
source="https://gcc.gnu.org/pub/gcc/releases/gcc-$_pkgbase/gcc-$_pkgbase.tar.xz
	0001-posix_memalign.patch
	0002-gcc-poison-system-directories.patch
	0003-specs-turn-on-Wl-z-now-by-default.patch
	0004-Turn-on-D_FORTIFY_SOURCE-2-by-default-for-C-C-ObjC-O.patch
	0005-On-linux-targets-pass-as-needed-by-default-to-the-li.patch
	0006-Enable-Wformat-and-Wformat-security-by-default.patch
	0007-Enable-Wtrampolines-by-default.patch
	0008-gcc-disable-SSP-on-ffreestanding-nostdlib-and-nodefa.patch
	0009-gcc-params-set-default-ssp-buffer-size-to-4.patch
	0010-Ensure-that-msgfmt-doesn-t-encounter-problems-during.patch
	0011-Don-t-declare-asprintf-if-defined-as-a-macro.patch
	0012-libiberty-copy-PIC-objects-during-build-process.patch
	0013-libgcc_s.patch
	0014-nopie.patch
	0015-ada-fix-shared-linking.patch
	0016-build-fix-CXXFLAGS_FOR_BUILD-passing.patch
	0017-add-fortify-headers-paths.patch
	0018-Alpine-musl-package-provides-libssp_nonshared.a.-We-.patch
	0019-DP-Use-push-state-pop-state-for-gold-as-well-when-li.patch
	0020-aarch64-disable-multilib-support.patch
	0021-s390x-disable-multilib-support.patch
	0022-ppc64-le-disable-multilib-support.patch
	0023-x86_64-disable-multilib-support.patch
	0024-riscv-disable-multilib-support.patch
	0025-always-build-libgcc_eh.a.patch
	0026-ada-libgnarl-remove-use-of-glibc-specific-pthread_rw.patch
	0027-ada-libgnarl-use-posix_openpt-instead-of-glibc-speci.patch
	0028-ada-libgnarl-adaint-fix-sched.h-inclusion-for-musl.patch
	0029-configure-Add-enable-autolink-libatomic-use-in-LINK_.patch
	0030-configure-fix-detection-of-atomic-builtins-in-libato.patch
	0031-libstdc-do-not-throw-exceptions-for-non-C-locales-on.patch
	0032-gdc-unconditionally-link-libgphobos-against-libucont.patch
	0033-druntime-link-against-libucontext-on-all-platforms.patch
	0034-libgnat-time_t-is-always-64-bit-on-musl-libc.patch
	0035-libphobos-do-not-use-LFS64-symbols.patch
	0036-libgo-fix-lfs64-use.patch
	0037-loongarch-disable-multilib-support.patch
	0038-static-PIE-ensure-static-reaches-the-linker.patch
	0039-except-Don-t-use-the-cached-value-of-the-gcc_except_.patch
	0040-ada-libgnat-use-stub-symbolic-module-name-functions.patch
	0041-ada-libgnat-recognize-linux-musleabi-and-linux-muslg.patch
	0042-libsanitizer-struct_sock_fprog_sz.patch
	0043-libsanitizer-Fix-up-build-against-latest-kernel-head.patch

	0001-tree-object-size.cc-Fix-assert-constant-offset-in-ch.patch
	0001-LoongArch-Only-allow-valid-binary-op-when-optimize-c.patch
	"

# secfixes:
#   13.2.1_git20231014-r0:
#     - CVE-2023-4039

# we build out-of-tree
#builddir="$srcdir"/gcc-${_pkgbase%%.*}-$_pkgsnap
builddir="$srcdir"/gcc-$_pkgbase
_gcclibdir="usr/lib/gcc/$CTARGET/$_pkgbase"
_gcclibexec="usr/libexec/gcc/$CTARGET/$_pkgbase"

prepare() {
	default_prepare
	echo $_pkgbase > gcc/BASE-VER
}

build() {
	local _arch_configure=
	local _bootstrap_configure=
	local _jit_configure=
	local _sanitizer_configure=

	case "$CTARGET" in
	aarch64-*-*-*)		_arch_configure="--with-arch=armv8-a --with-abi=lp64";;
	armv5-*-*-*eabi)	_arch_configure="--with-arch=armv5te --with-tune=arm926ej-s --with-float=soft --with-abi=aapcs-linux";;
	armv6-*-*-*eabihf)	_arch_configure="--with-arch=armv6kz --with-tune=arm1176jzf-s --with-fpu=vfpv2 --with-float=hard --with-abi=aapcs-linux";;
	armv7-*-*-*eabihf)	_arch_configure="--with-arch=armv7-a --with-tune=generic-armv7-a --with-fpu=vfpv3-d16 --with-float=hard --with-abi=aapcs-linux --with-mode=thumb";;
	mips-*-*-*)		_arch_configure="--with-arch=mips32 --with-mips-plt --with-float=soft --with-abi=32";;
	mips64-*-*-*)		_arch_configure="--with-arch=mips3 --with-tune=mips64 --with-mips-plt --with-float=soft --with-abi=64";;
	mips64el-*-*-*)		_arch_configure="--with-arch=mips3 --with-tune=mips64 --with-mips-plt --with-float=soft --with-abi=64";;
	mipsel-*-*-*)		_arch_configure="--with-arch=mips32 --with-mips-plt --with-float=soft --with-abi=32";;
	powerpc-*-*-*)		_arch_configure="--enable-secureplt --enable-decimal-float=no";;
	powerpc64*-*-*-*)	_arch_configure="--with-abi=elfv2 --enable-secureplt --enable-decimal-float=no --enable-targets=powerpcle-linux";;
	i486-*-*-*)		_arch_configure="--with-arch=i486 --with-tune=generic --enable-cld";;
	i586-*-*-*)		_arch_configure="--with-arch=pentium-m --with-fpmath=sse --with-tune=generic --enable-cld";;
	s390x-*-*-*)		_arch_configure="--with-arch=z196 --with-tune=zEC12 --with-zarch --with-long-double-128 --enable-decimal-float";;
	riscv64-*-*-*)		_arch_configure="--with-arch=rv64gc --with-abi=lp64d --enable-autolink-libatomic";;
	loongarch64-*-*-*)	_arch_configure="--with-arch=la64v1.0 --with-abi=lp64d";;
	esac

	case "$CTARGET_ARCH" in
	*)	_sanitizer_configure="--disable-libsanitizer" ;;
	esac

	case "$CTARGET_ARCH" in
	mips*)	_hash_style_configure="--with-linker-hash-style=sysv" ;;
	*)	_hash_style_configure="--with-linker-hash-style=gnu" ;;
	esac

	export libat_cv_have_ifunc=no


	case "$BOOTSTRAP" in
	nolibc)	_bootstrap_configure="--with-newlib --disable-shared --enable-threads=no" ;;
	*)
		# cross-bootstrap GDC with a static libphobos: due to GCC's
		# ./configure not having a --disable-shared=libphobos option,
		# we have to use --enable-shared with everything else instead.
		if $LANG_D && [ "$CBUILD" != "$CTARGET" ]; then
			_bootstrap_configure="--enable-shared=libgcc,libstdc++,libffi,zlib,boehm-gc,ada,libada,libgo,libobjc,libatomic,libgomp,libitm,libgfortran,libquadmath"
		else
			_bootstrap_configure="--enable-shared"
		fi
		_bootstrap_configure="$_bootstrap_configure --enable-threads --enable-tls"
		;;
	esac

	$_libgomp	|| _bootstrap_configure="$_bootstrap_configure --disable-libgomp"
	$_libatomic	|| _bootstrap_configure="$_bootstrap_configure --disable-libatomic"
	$_libitm	|| _bootstrap_configure="$_bootstrap_configure --disable-libitm"
	$_libquadmath	|| _arch_configure="$_arch_configure --disable-libquadmath"

	msg "Building the following:"
	echo ""
	echo "  CBUILD=$CBUILD"
	echo "  CHOST=$CHOST"
	echo "  CTARGET=$CTARGET"
	echo "  CTARGET_ARCH=$CTARGET_ARCH"
	echo "  languages=$_languages"
	echo "  arch_configure=$_arch_configure"
	echo "  cross_configure=$_cross_configure"
	echo "  bootstrap_configure=$_bootstrap_configure"
	echo "  hash_style_configure=$_hash_style_configure"
	echo ""

	local version="Alpine $pkgver"
	local gccconfiguration="
		--prefix=/usr
		--mandir=/usr/share/man
		--infodir=/usr/share/info
		--build=$CBUILD
		--host=$CHOST
		--target=$CTARGET
		--enable-checking=release
		--disable-cet
		--disable-fixed-point
		--disable-libstdcxx-pch
		--disable-multilib
		--disable-nls
		--disable-werror
		--disable-symvers
		--enable-__cxa_atexit
		--enable-default-pie
		--enable-default-ssp
		--enable-languages=$_languages
		--enable-link-serialization=2
		--enable-linker-build-id
		$_arch_configure
		--disable-libssp
		$_sanitizer_configure
		$_cross_configure
		$_bootstrap_configure
		--with-bugurl=https://gitlab.alpinelinux.org/alpine/aports/-/issues
		--with-system-zlib
		$_hash_style_configure
		"

	mkdir -p "$_builddir"
	cd "$_builddir"
	"$builddir"/configure $gccconfiguration \
		--with-pkgversion="$version"

	msg "building gcc"
	if $LANG_D && [ "$CBUILD" != "$CTARGET" ]; then
		# cross-compiling libphobos with parallel make fails
		make all-target-libphobos
	fi
	make

	# we build gccjit separate to not build all of gcc with --enable-host-shared
	# as doing so slows it down a few %, so for some quick if's here we gain
	# free performance
	if $LANG_JIT; then
		mkdir -p "$_builddir"/libgccjit-build
		cd "$_builddir"/libgccjit-build
		"$builddir"/configure $gccconfiguration \
			--disable-bootstrap \
			--enable-host-shared \
			--enable-languages=jit \
			--with-pkgversion="$version"

		msg "building libgccjit"
		make all-gcc
	fi
}

package() {
	cd "$_builddir"
	make -j1 DESTDIR="$pkgdir" install

	[ "$CHOST" = "$CTARGET" ] && ln -s gcc "$pkgdir"/usr/bin/cc
	ln -s ${CTARGET}-gcc "$pkgdir"/usr/bin/${CTARGET}-cc

	# symlink to vendor-less target triple for
	# supporting clang --target's fallback match
	# ref: https://gitlab.alpinelinux.org/alpine/aports/-/issues/16828
	ln -s "$CTARGET" "$pkgdir/usr/lib/gcc/${CTARGET%%-*}-${CTARGET#*-*-}"

	if $LANG_JIT; then
		make -C "$_builddir"/libgccjit-build/gcc DESTDIR="$pkgdir" jit.install-common
	fi

	# we dont support gcj -static
	# and saving 35MB is not bad.
	find "$pkgdir" \( -name libgtkpeer.a \
		-o -name libgjsmalsa.a \
		-o -name libgij.a \) \
		-delete

	# strip debug info from some static libs
	find "$pkgdir" \( -name libgfortran.a -o -name libobjc.a -o -name libgomp.a \
		-o -name libgphobos.a -o -name libgdruntime.a \
		-o -name libgcc.a -o -name libgcov.a -o -name libquadmath.a \
		-o -name libitm.a -o -name libgo.a -o -name libcaf\*.a \
		-o -name libatomic.a -o -name libasan.a -o -name libtsan.a \) \
		-a -type f \
		-exec $STRIP_FOR_TARGET -g {} +

	if $_libgomp; then
		mv "$pkgdir"/usr/lib/libgomp.spec "$pkgdir"/$_gcclibdir
	fi
	if $_libitm; then
		mv "$pkgdir"/usr/lib/libitm.spec "$pkgdir"/$_gcclibdir
	fi

	# remove ffi
	rm -f "$pkgdir"/usr/lib/libffi* "$pkgdir"/usr/share/man/man3/ffi*
	find "$pkgdir" -name 'ffi*.h' -delete

	local gdblib=${_target:+$CTARGET/}lib
	if [ -d "$pkgdir"/usr/$gdblib/ ]; then
		for i in $(find "$pkgdir"/usr/$gdblib/ -type f -maxdepth 1 -name "*-gdb.py"); do
			mkdir -p "$pkgdir"/usr/share/gdb/python/auto-load/usr/$gdblib
			mv "$i" "$pkgdir"/usr/share/gdb/python/auto-load/usr/$gdblib/
		done
	fi

	# move ada runtime libs
	if $LANG_ADA; then
		local libgnat_static=
		[ "$CHOST" = "$CTARGET" ] && libgnat_static="libgna*.a"
		for i in $(find "$pkgdir"/$_gcclibdir/adalib/ -type f -maxdepth 1 \( -name "libgna*.so" -o -name "$libgnat_static" \) ); do
			mv "$i" "$pkgdir"/usr/lib/
			ln -s ../../../../${i##*/} $i
		done
	fi

	if [ "$CHOST" != "$CTARGET" ]; then
		# cross-gcc: remove any files that would conflict with the
		# native gcc package
		rm -rf "$pkgdir"/usr/include "${pkgdir:?}"/usr/share
		# libcc1 does not depend on target, don't ship it
		rm -rf "$pkgdir"/usr/lib/libcc1.so*


		# fixup gcc library symlinks to be linker scripts so
		# linker finds the libs from relocated sysroot
		for so in "$pkgdir"/usr/"$CTARGET"/lib/*.so; do
			if [ -h "$so" ]; then
				local _real=$(basename "$(readlink "$so")")
				rm -f "$so"
				echo "GROUP ($_real)" > "$so"
			fi
		done
	else
		# add c89/c99 wrapper scripts
		cat >"$pkgdir"/usr/bin/c89 <<'EOF'
#!/bin/sh
_flavor="-std=c89"
for opt; do
	case "$opt" in
	-ansi|-std=c89|-std=iso9899:1990) _flavor="";;
	-std=*) echo "$(basename $0) called with non ANSI/ISO C option $opt" >&2
		exit 1;;
	esac
done
exec gcc $_flavor ${1+"$@"}
EOF
		cat >"$pkgdir"/usr/bin/c99 <<'EOF'
#!/bin/sh
_flavor="-std=c99"
for opt; do
	case "$opt" in
	-std=c99|-std=iso9899:1999) _flavor="";;
	-std=*) echo "$(basename $0) called with non ISO C99 option $opt" >&2
		exit 1;;
	esac
done
exec gcc $_flavor ${1+"$@"}
EOF
		chmod 755 "$pkgdir"/usr/bin/c?9

		# install lto plugin so regular binutils may use it
		mkdir -p "$pkgdir"/usr/lib/bfd-plugins
		ln -s /$_gcclibexec/liblto_plugin.so "$pkgdir/usr/lib/bfd-plugins/"
	fi
}

libatomic() {
	pkgdesc="GCC Atomic library"
	depends=
	replaces="gcc"

	amove usr/lib/libatomic.so.*
}

libcxx() {
	pkgdesc="GNU C++ standard runtime library"
	depends=

	if [ "$CHOST" = "$CTARGET" ]; then
		# verify that we are using clock_gettime rather than doing direct syscalls
		# so we dont break 32 bit arches due to time64.
		nm -D "$pkgdir"/usr/lib/libstdc++.so.* | grep clock_gettime
	fi

	amove usr/lib/libstdc++.so.*
}

libcxx_dev() {
	pkgdesc="GNU C++ standard runtime library (development files)"
	depends=
	replaces="g++"

	amove usr/${_target:+$CTARGET/}lib/libstdc++.a \
		usr/${_target:+$CTARGET/}lib/libstdc++exp.a \
		usr/${_target:+$CTARGET/}lib/libstdc++.so \
		usr/${_target:+$CTARGET/}lib/libstdc++fs.a \
		usr/${_target:+$CTARGET/}lib/libsupc++.a \
		usr/${_target:+$CTARGET/}include/c++
}

gpp() {
	pkgdesc="GNU C++ standard library and compiler"
	depends="libstdc++-dev$_target=$_gccrel gcc$_target=$_gccrel musl-dev"
	[ "$CHOST" = "$CTARGET" ] && depends="$depends libstdc++=$_gccrel"

	depends="$depends so:libgmp.so.10 so:libisl.so.23 so:libmpc.so.3 so:libmpfr.so.6 so:libz.so.1"

	case "$CARCH" in
	aarch64) depends="$depends so:libc.musl-aarch64.so.1" ;;
	x86_64) depends="$depends so:libc.musl-x86_64.so.1" ;;
	esac

	amove $_gcclibexec/cc1plus
	amove usr/bin/*++
}

jit() {
	pkgdesc="GCC JIT Library"
	depends=
	amove usr/lib/libgccjit.so*
}

jitdev() {
	pkgdesc="GCC JIT Library (development files)"
	depends="libgccjit"
	amove usr/include/libgccjit*.h
}

libobjc() {
	pkgdesc="GNU Objective-C runtime"
	replaces="objc"
	depends=

	amove usr/lib/libobjc.so.*
}

objc() {
	pkgdesc="GNU Objective-C"
	replaces="gcc"
	depends="musl-dev gcc=$_gccrel libobjc=$_gccrel"

	amove $_gcclibexec/cc1obj
	amove $_gcclibdir/include/objc
	amove usr/lib/libobjc.so
	amove usr/lib/libobjc.a
}

libgcc() {
	pkgdesc="GNU C compiler runtime libraries"
	depends=

	amove usr/lib/libgcc_s.so.*
	# Symlink for Clang to find the library. Gets overwritten by the real
	# library if gcc is installed.
	ln -s /usr/lib/libgcc_s.so.1 \
		"$subpkgdir"/usr/lib/libgcc_s.so
}

libgccstatic() {
	pkgdesc="GNU C compiler runtime libraries"
	depends=

	amove usr/lib/gcc/"$CTARGET"/"$pkgver"/crtbegin.o
	amove usr/lib/gcc/"$CTARGET"/"$pkgver"/crtbeginS.o
	amove usr/lib/gcc/"$CTARGET"/"$pkgver"/crtendS.o
	amove usr/lib/gcc/"$CTARGET"/"$pkgver"/libgcc.a
}

libgomp() {
	pkgdesc="GCC shared-memory parallel programming API library"
	depends=
	replaces="gcc"

	amove usr/lib/libgomp.so.*
}

libgphobos() {
	pkgdesc="D programming language standard library for GCC"
	depends=

	amove usr/lib/libgdruntime.so.*
	amove usr/lib/libgphobos.so.*
}

gdc() {
	pkgdesc="GCC-based D language compiler"
	depends="gcc$_target=$_gccrel musl-dev libucontext-dev"
	[ "$CBUILD" = "$CTARGET" ] && depends="$depends libgphobos=$_gccrel"
	[ "$CHOST" = "$CTARGET" ] && provides="gcc-gdc-bootstrap=$_gccrel"

	# Copy: The installed '.d' files, the static lib, the binary itself
	# The shared libs are part of 'libgphobos' so one can run program
	# without installing the compiler
	amove $_gcclibexec/d21
	amove $_gcclibdir/include/d
	if [ "$CBUILD" = "$CTARGET" ]; then
		amove usr/lib/libgdruntime.so
		amove usr/lib/libgphobos.so
	fi
	amove usr/${_target:+$CTARGET/}lib/libgdruntime.a
	amove usr/${_target:+$CTARGET/}lib/libgphobos.a
	amove usr/${_target:+$CTARGET/}lib/libgphobos.spec
	amove usr/bin/*gdc
}

libgo() {
	pkgdesc="Go runtime library for GCC"
	depends=

	amove usr/lib/libgo.so.*
}

go() {
	pkgdesc="GCC Go frontend (intended for bootstrapping community/go)"
	depends="gcc=$_gccrel libgo=$_gccrel !go"

	amove usr/lib/go
	amove usr/bin/*go
	amove usr/bin/*gofmt
	amove $_gcclibexec/go1
	amove $_gcclibexec/cgo
	amove $_gcclibexec/buildid
	amove $_gcclibexec/test2json
	amove $_gcclibexec/vet
	amove usr/lib/libgo.a
	amove usr/lib/libgo.so
	amove usr/lib/libgobegin.a
	amove usr/lib/libgolibbegin.a
}

libgfortran() {
	pkgdesc="Fortran runtime library for GCC"
	depends=

	amove usr/lib/libgfortran.so.*
}

libquadmath() {
	replaces="gcc"
	pkgdesc="128-bit math library for GCC"
	depends=

	amove usr/lib/libquadmath.so.*
}

gfortran() {
	pkgdesc="GNU Fortran Compiler"
	depends="gcc=$_gccrel libgfortran=$_gccrel"
	$_libquadmath && depends="$depends libquadmath=$_gccrel"
	replaces="gcc"

	amove usr/bin/*gfortran
	amove usr/lib/libgfortran.a
	amove usr/lib/libgfortran.so
	if $_libquadmath; then
		amove usr/lib/libquadmath.a
		amove usr/lib/libquadmath.so
	fi
	amove $_gcclibdir/finclude
	amove $_gcclibexec/f951
	mv -v "$pkgdir"/usr/lib/libgfortran.spec "$subpkgdir"/$_gcclibdir/
}

libgnat() {
	pkgdesc="GNU Ada runtime shared libraries"
	depends=

	amove usr/lib/libgna*.so
}

libgnatstatic() {
	pkgdesc="GNU Ada static libraries"
	depends=

	amove usr/lib/libgna*.a
}

gnat() {
	pkgdesc="Ada support for GCC"
	depends="gcc=$_gccrel"
	provides="$pkgname-gnat-bootstrap=$_gccrel"
	[ "$CHOST" = "$CTARGET" ] && depends="$depends libgnat=$_gccrel"

	amove $_gcclibexec/*gnat*
	amove $_gcclibdir/*ada*
	amove usr/bin/*gnat*
}

gdb() {
	pkgdesc="$pkgdesc (gdb printers)"
	install_if="$pkgname=$pkgver-r$pkgrel gdb"

	amove \
		usr/share/gdb/python/ \
		usr/share/gcc-*/python/
}

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"