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