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# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=8
inherit crossdev flag-o-matic toolchain-funcs
DESCRIPTION="Free Win64 runtime and import library definitions"
HOMEPAGE="https://www.mingw-w64.org/"
SRC_URI="https://downloads.sourceforge.net/mingw-w64/mingw-w64/mingw-w64-release/mingw-w64-v${PV}.tar.bz2"
S=${WORKDIR}/mingw-w64-v${PV}
LICENSE="ZPL BSD BSD-2 ISC LGPL-2+ LGPL-2.1+ MIT public-domain tools? ( GPL-3+ )"
SLOT="0"
KEYWORDS="~amd64 ~x86"
# default-ucrt: enabling requires to be done during the bootstrap process
# or else will cause e.g. undefined reference to __intrinsic_setjmpex
# (TODO?: ucrt became the upstream default in mingw-runtime-12.0.0, eventually
# may need to consider default here too which may need a news item)
# libraries: needs working stage2 compiler (bug #665512)
IUSE="default-ucrt headers-only idl libraries tools"
RESTRICT="strip" # portage would use the wrong strip executable
pkg_setup() {
target_is_not_host && MW_CROSS=true || MW_CROSS=false
[[ ${CBUILD} == ${CHOST} && ${CTARGET} == ${CHOST} ]] &&
die "Invalid configuration, please see: https://wiki.gentoo.org/wiki/Mingw"
}
mingw-foreach_tool() {
use !tools || use headers-only && return
local tool=widl
if use !amd64 && use !x86 && use !arm64 && use !arm; then
einfo "Skipping widl due to unsupported platform" #853250
tool=
fi
for tool in gendef genidl ${tool}; do
# not using top-level --with-tools given it skips widl
pushd mingw-w64-tools/${tool} >/dev/null || die
"${@}"
popd >/dev/null || die
done
}
src_configure() {
# native tools, see #644556
local toolsconf=()
# normally only widl is prefixed, but avoids clash with other targets
${MW_CROSS} && toolsconf+=( --program-prefix=${CTARGET}- )
mingw-foreach_tool econf "${toolsconf[@]}"
MW_LDFLAGS=${LDFLAGS} # keep non-stripped for gendef not respecting it
# likely cross-compiling from here, update toolchain variables
if ${MW_CROSS} && [[ ! -v MINGW_BYPASS ]]; then
unset AR AS CC CPP CXX DLLTOOL LD NM OBJCOPY OBJDUMP RANLIB RC STRIP
filter-flags '-fuse-ld=*'
filter-flags '-mfunction-return=thunk*' #878849
fi
local CHOST=${CTARGET}
# some bashrc-mv users tend to do CFLAGS="${LDFLAGS}" and then
# strip-unsupported-flags miss these during compile-only tests
# (primarily done for 23.0 profiles' -z, not full coverage)
filter-flags '-Wl,-z,*'
# -mavx with mingw-gcc has a history of obscure issues and
# disabling is seen as safer, e.g. `WINEARCH=win32 winecfg`
# crashes with -march=skylake >=wine-8.10, similar issues with
# znver4: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110273
tc-is-gcc && append-flags -mno-avx
strip-unsupported-flags
# Normally mingw64 does not use dynamic linker, but at configure time it
# uses LDFLAGS. When -Wl,--hash-style=gnu is passed __CTORS_LIST__ /
# __DTORS_LIST__ is misdetected for target and binaries crash at shutdown.
# Note: typically also stripped by strip-unsupported-flags, but not during
# USE=headers-only and potentially other configurations (kept as safety).
filter-ldflags '-Wl,--hash-style=*'
local prefix=${EPREFIX}/usr
${MW_CROSS} && prefix+=/${CTARGET}/usr
local conf=(
--prefix="${prefix}"
--libdir="${prefix}"/lib
--with-default-msvcrt=$(usex default-ucrt ucrt msvcrt-os)
$(use_with !headers-only crt)
# By default configure tries to set --sysroot=${prefix}. We disable
# this behaviour with --with-sysroot=no to use gcc's sysroot default.
# That way we can cross-build mingw64-runtime with cross-emerge.
--with-sysroot=no
)
if use !headers-only; then
conf+=(
$(use_enable idl)
$(use_with libraries)
)
# prefer tuple to determine if should do 32 or 64bits, but fall
# back to cpp test if missing (bug #584858, see also #840662)
local b32=true
case ${CHOST} in
x86_64-*) b32=false;;
i*86-*) ;;
*) [[ $($(tc-getCPP) -dM - <<<'') =~ __MINGW64__ ]] && b32=false;;
esac
${b32} &&
conf+=( --enable-lib32 --disable-lib64 ) ||
conf+=( --disable-lib32 --enable-lib64 )
# prepare temporary headers install to build against same-version
mkdir ../headers || die
pushd ../headers >/dev/null || die
ECONF_SOURCE=${S} econf --prefix="${T}"/root --without-crt
popd >/dev/null || die
append-cppflags "-I${T}/root/include"
fi
econf "${conf[@]}"
}
src_compile() {
use headers-only || emake -C ../headers install
emake
mingw-foreach_tool emake LDFLAGS="${MW_LDFLAGS}"
}
src_install() {
default
mingw-foreach_tool emake DESTDIR="${D}" install
if ${MW_CROSS}; then
# gcc is configured to look at specific hard-coded paths for mingw #419601
dosym usr /usr/${CTARGET}/mingw
dosym usr /usr/${CTARGET}/${CTARGET}
dosym usr/include /usr/${CTARGET}/sys-include
fi
rm -r -- "${ED}"/usr/share || die
}
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