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# Copyright 1999-2025 Gentoo Authors
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# Copyright 1999-2026 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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LICENSE="|| ( MPL-2.0 GPL-2 LGPL-2.1 )"
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SLOT="0"
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KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~x64-macos ~x64-solaris"
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KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86 ~x64-macos ~x64-solaris"
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IUSE="debug"
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MULTILIB_CHOST_TOOLS=(
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# that trigger some code conditional to platform & arch. This really
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# matters for the few common arches (x86, ppc) but we pass a little
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# more of them to be future-proof.
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# use ABI first, this will work for most cases
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case "${ABI}" in
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alpha|arm|hppa|m68k|o32|ppc|s390|sh|sparc|x86) ;;
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n32) myconf+=( --enable-n32 );;
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x32) myconf+=( --enable-x32 );;
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s390x|*64) myconf+=( --enable-64bit );;
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default) # no abi actually set, fall back to old check
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einfo "Running a short build test to determine 64bit'ness"
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# TODO: Port this to toolchain-funcs tc-get-ptr-size/tc-get-build-ptr-size
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echo > "${T}"/test.c || die
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${CC} ${CFLAGS} ${CPPFLAGS} -fno-lto -c "${T}"/test.c -o "${T}"/test.o || die
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case $(file -S "${T}"/test.o) in
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*32-bit*x86-64*) myconf+=( --enable-x32 );;
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*64-bit*|*ppc64*|*x86_64*) myconf+=( --enable-64bit );;
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*32-bit*|*ppc*|*i386*) ;;
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*) die "Failed to detect whether your arch is 64bits or 32bits, disable distcc if you're using it, please";;
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esac ;;
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*) ;;
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case $(tc-get-ptr-size) in
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4) use abi_x86_x32 && myconf+=( --enable-x32 );;
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8) myconf+=( --enable-64bit );;
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esac
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# Ancient autoconf needs help finding the right tools.
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