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# Copyright 2022-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
MULTILIB_COMPAT=( abi_x86_{32,64} )
inherit edo flag-o-matic multilib-build toolchain-funcs
# Pick versions known to work for wine+dxvk, and avoid too frequent updates
# due to slow rebuilds. Do _p1++ rather than revbump on changes (not using
# Gentoo patchsets for simplicity, their changes are mostly unneeded here).
BINUTILS_PV=2.40
GCC_PV=13.1.0
MINGW_PV=$(ver_cut 1-3)
DESCRIPTION="All-in-one mingw64 toolchain intended for building Wine without crossdev"
HOMEPAGE="
https://www.mingw-w64.org/
https://gcc.gnu.org/
https://sourceware.org/binutils/"
SRC_URI="
mirror://sourceforge/mingw-w64/mingw-w64/mingw-w64-release/mingw-w64-v${MINGW_PV}.tar.bz2
mirror://gnu/binutils/binutils-${BINUTILS_PV}.tar.xz"
if [[ ${GCC_PV} == *-* ]]; then
SRC_URI+=" mirror://gcc/snapshots/${GCC_PV}/gcc-${GCC_PV}.tar.xz"
else
SRC_URI+="
mirror://gcc/gcc-${GCC_PV}/gcc-${GCC_PV}.tar.xz
mirror://gnu/gcc/gcc-${GCC_PV}/gcc-${GCC_PV}.tar.xz"
fi
S="${WORKDIR}"
# l1:binutils+gcc, l2:gcc(libraries), l3:mingw64-runtime
LICENSE="
GPL-3+
LGPL-3+ || ( GPL-3+ libgcc libstdc++ gcc-runtime-library-exception-3.1 )
ZPL BSD BSD-2 ISC LGPL-2+ LGPL-2.1+ MIT public-domain"
SLOT="0"
KEYWORDS="-* amd64 x86"
IUSE="+abi_x86_32 custom-cflags debug"
RDEPEND="
dev-libs/gmp:=
dev-libs/mpc:=
dev-libs/mpfr:=
sys-libs/zlib:=
virtual/libiconv"
DEPEND="${RDEPEND}"
QA_CONFIG_IMPL_DECL_SKIP=(
strerror_r # libstdc++ test using -Wimplicit+error
)
PATCHES=(
"${FILESDIR}"/binutils-2.40-import-lib.patch
"${FILESDIR}"/gcc-12.2.0-drop-cflags-sed.patch
)
pkg_pretend() {
[[ ${MERGE_TYPE} == binary ]] && return
tc-is-cross-compiler &&
die "cross-compilation of the toolchain itself is unsupported"
}
src_prepare() {
# rename directories to simplify both patching and the ebuild
mv binutils{-${BINUTILS_PV},} || die
mv gcc{-${GCC_PV},} || die
mv mingw-w64-v${MINGW_PV} mingw64 || die
default
}
src_compile() {
# not great but do everything in src_compile given bootstrapping
# process needs to be done in steps of configure+compile+install
# (done modular to have most package-specific things in one place)
CTARGET=$(usex x86 i686 x86_64)-w64-mingw32
MWT_D=${T}/root # moved to ${D} in src_install
local mwtdir=/usr/lib/${PN}
local prefix=${EPREFIX}${mwtdir}
local sysroot=${MWT_D}${prefix}
local -x PATH=${sysroot}/bin:${PATH}
filter-lto # requires setting up, and may be messy with mingw static libs
use custom-cflags || strip-flags # fancy flags are not realistic here
local multilib=false
use abi_x86_32 && use abi_x86_64 && multilib=true
# global configure flags
local conf=(
--build=${CBUILD:-${CHOST}}
--target=${CTARGET}
--{doc,info,man}dir=/.skip # let individual packages handle docs
)
# binutils
local conf_binutils=(
--prefix="${prefix}"
--host=${CHOST}
--disable-cet
--disable-default-execstack
--disable-nls
--disable-shared
--with-system-zlib
--without-debuginfod
--without-msgpack
--without-zstd
)
mwt-binutils() {
# symlink gcc's lto plugin for AR (bug #854516)
ln -s ../../libexec/gcc/${CTARGET}/${GCC_PV%%[.-]*}/liblto_plugin.so \
"${sysroot}"/lib/bfd-plugins || die
}
# gcc (minimal -- if need more, disable only in stage1 / enable in stage3)
local conf_gcc=(
--prefix="${prefix}"
--host=${CHOST}
--disable-bootstrap
--disable-cet
--disable-gcov #843989
--disable-gomp
--disable-libquadmath
--disable-libsanitizer
--disable-libssp
--disable-libvtv
--disable-shared
--disable-werror
--with-gcc-major-version-only
--with-system-zlib
--without-isl
--without-zstd
)
${multilib} || conf_gcc+=( --disable-multilib )
local conf_gcc_stage1=(
--enable-languages=c
--disable-libatomic
--with-sysroot="${sysroot}"
)
local -n conf_gcc_stage2=conf_gcc_stage1
local conf_gcc_stage3=(
--enable-languages=c,c++
--enable-threads=posix # needs stage3, and is required for dxvk/vkd3d
--with-sysroot="${prefix}"
--with-build-sysroot="${sysroot}"
)
# mingw64-runtime (split in several parts, 3 needed for gcc stages)
local conf_mingw64=(
--prefix="${prefix}"/${CTARGET}
--host=${CTARGET}
--with-sysroot=no
--without-{crt,headers}
# mingw .dll aren't used by wine and packages wouldn't find them
# at runtime, use crossdev if need dll and proper search paths
--disable-shared
)
local conf_mingw64_headers=(
--enable-idl
--with-headers
)
mwt-mingw64_headers() { ln -s ${CTARGET} "${sysroot}"/mingw || die; } #419601
local conf_mingw64_runtime=( --with-crt )
${multilib} ||
conf_mingw64_runtime+=( $(usex x86 --disable-lib64 --disable-lib32 ) )
local conf_mingw64_libraries=( --with-libraries )
local conf_mingw64_libraries32=(
--libdir="${prefix}"/${CTARGET}/lib32
--with-libraries
CC="${CTARGET}-gcc -m32"
RCFLAGS="--target=pe-i386 ${RCFLAGS}"
)
# mingw64-runtime's idl compiler (useful not to depend on wine for widl)
local conf_widl=( --prefix="${prefix}" )
# mwt-build [-x] <path/package-name> [stage-name]
# -> ./configure && make && make install && mwt-package() && mwt-package_stage()
# passes conf, conf_package, and conf_package_stage arrays to configure, and
# users can add options through environment with e.g.
# MWT_BINUTILS_CONF="--some-option"
# MWT_GCC_STAGE1_CONF="--some-gcc-stage1-only-option"
# MWT_WIDL_CONF="--some-other-option"
# EXTRA_ECONF="--global-option" (generic naming for if not reading this)
mwt-build() {
if [[ ${1} == -x ]]; then
(
# cross-compiling, cleanup and let ./configure handle it
unset AR AS CC CPP CXX LD NM OBJCOPY OBJDUMP RANLIB RC STRIP
CHOST=${CTARGET}
filter-flags '-fuse-ld=*'
filter-flags '-mfunction-return=thunk*' #878849
strip-unsupported-flags
mwt-build "${@:2}"
)
return
fi
local id=${1##*/}
local build_dir=${WORKDIR}/${1}${2+_${2}}-build
# econf is not allowed in src_compile and its defaults are
# mostly unused here, so use configure directly
local conf=( "${WORKDIR}/${1}"/configure "${conf[@]}" )
local -n conf_id=conf_${id} conf_id2=conf_${id}_${2}
[[ ${conf_id@a} == *a* ]] && conf+=( "${conf_id[@]}" )
[[ ${2} && ${conf_id2@a} == *a* ]] && conf+=( "${conf_id2[@]}" )
local -n extra_id=MWT_${id^^}_CONF extra_id2=MWT_${id^^}_${2^^}_CONF
conf+=( ${EXTRA_ECONF} ${extra_id} ${2+${extra_id2}} )
einfo "Building ${id}${2+ ${2}} in ${build_dir} ..."
mkdir -p "${build_dir}" || die
pushd "${build_dir}" >/dev/null || die
edo "${conf[@]}"
emake
# -j1 to match bug #906155, other packages may be fragile too
emake -j1 DESTDIR="${MWT_D}" install
declare -f mwt-${id} >/dev/null && edo mwt-${id}
declare -f mwt-${id}_${2} >/dev/null && edo mwt-${id}_${2}
popd >/dev/null || die
}
# workaround race condition with out-of-source crt build (bug #879537)
mkdir -p mingw64_runtime-build/mingw-w64-crt/lib{32,64} || die
# build with same ordering that crossdev would do + stage3 for pthreads
mwt-build binutils
mwt-build mingw64 headers
mwt-build gcc stage1
mwt-build -x mingw64 runtime
mwt-build gcc stage2
${multilib} && mwt-build -x mingw64 libraries32
mwt-build -x mingw64 libraries
mwt-build gcc stage3
mwt-build mingw64/mingw-w64-tools/widl
# note: /could/ system-bootstrap if already installed, but gcc and
# libraries will use the system's older mingw64 headers/static-libs
# and make this potentially fragile without more workarounds/stages
if ${multilib}; then
# Like system's gcc, `x86_64-w64-mingw32-gcc -m32` can build for x86,
# but packages expect crossdev's i686-w64-mingw32-gcc which is the same
# just without 64bit support and would rather not build the toolchain
# twice. Dirty but wrap to allow simple interoperability with crossdev.
mwt-i686_wrapper() {
printf "#!/usr/bin/env sh\nexec \"${prefix}/bin/${bin}\" ${*} "'"${@}"\n' \
> ${bin32} || die
chmod +x ${bin32} || die
}
pushd "${sysroot}"/bin >/dev/null || die
local bin bin32
for bin in ${CTARGET}-*; do
bin32=${bin/x86_64-w64/i686-w64}
case ${bin#${CTARGET}-} in
as) mwt-i686_wrapper --32;;
cpp|gcc|gcc-${GCC_PV%%[.-]*}|g++|widl) mwt-i686_wrapper -m32;;
ld|ld.bfd) mwt-i686_wrapper -m i386pe;;
windres) mwt-i686_wrapper --target=pe-i386;;
*) ln -s ${bin} ${bin32} || die;;
esac
done
popd >/dev/null || die
fi
# portage doesn't know the right strip executable to use for CTARGET
# and it can lead to .a mangling, notably with 32bit (breaks toolchain)
dostrip -x ${mwtdir}/{${CTARGET}/lib{,32},lib/gcc/${CTARGET}}
# ... and instead do it here given this saves ~60MB
if use !debug; then
einfo "Stripping ${CTARGET} static libraries ..."
find "${sysroot}"/{,lib/gcc/}${CTARGET} -type f -name '*.a' \
-exec ${CTARGET}-strip --strip-unneeded {} + || die
fi
}
src_install() {
mv "${MWT_D}${EPREFIX}"/* "${ED}" || die
find "${ED}" -type f -name '*.la' -delete || die
}
pkg_postinst() {
if [[ ! ${REPLACING_VERSIONS} ]]; then
elog "Note that this package is primarily intended for Wine and related"
elog "packages to depend on without needing a manual crossdev setup."
elog
elog "Settings are oriented only for what these need and simplicity."
elog "Use sys-devel/crossdev if need full toolchain/customization:"
elog " https://wiki.gentoo.org/wiki/Mingw"
elog " https://wiki.gentoo.org/wiki/Crossdev"
fi
local cross_gcc=cross-$(usex x86 i686 x86_64)-w64-mingw32/gcc
if has_version ${cross_gcc}; then
# encourage cleanup given users may not realize if switch by default
ewarn "${cross_gcc} is installed, note that ${PN}"
ewarn "is redundant with the *-w64-mingw32/{binutils,gcc,mingw64-runtime}"
ewarn "packages and optionally only one needs to be kept."
fi
}
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