mirror of
https://github.com/gentoo-mirror/gentoo.git
synced 2026-11-07 18:07:08 -08:00
Sam James
@@ -1,206 +0,0 @@
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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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VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/gmp.asc
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inherit gnuconfig libtool flag-o-matic multilib-minimal toolchain-funcs verify-sig
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MY_PV=${PV/_p*}
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MY_PV=${MY_PV/_/-}
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MANUAL_PV=6.2.1
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MY_P=${PN}-${MY_PV}
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PLEVEL=${PV/*p}
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DESCRIPTION="Library for arbitrary-precision arithmetic on different type of numbers"
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HOMEPAGE="https://gmplib.org/"
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SRC_URI="
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https://gmplib.org/download/gmp/${MY_P}.tar.xz
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mirror://gnu/${PN}/${MY_P}.tar.xz
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doc? ( https://gmplib.org/${PN}-man-${MANUAL_PV}.pdf )
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verify-sig? ( https://gmplib.org/download/gmp/${MY_P}.tar.xz.sig )
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"
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S="${WORKDIR}"/${MY_P%a}
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LICENSE="|| ( LGPL-3+ GPL-2+ )"
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# The subslot reflects the C & C++ SONAMEs.
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SLOT="0/10.4"
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KEYWORDS="~alpha amd64 arm arm64 ~hppa ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 ~sparc x86 ~arm64-macos ~x64-macos ~x64-solaris"
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IUSE="+asm doc +cpudetection +cxx pic static-libs"
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REQUIRED_USE="cpudetection? ( asm )"
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RESTRICT="!cpudetection? ( bindist )"
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BDEPEND="
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app-arch/xz-utils
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sys-devel/m4
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verify-sig? ( sec-keys/openpgp-keys-gmp )
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"
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DOCS=( AUTHORS ChangeLog NEWS README doc/configuration doc/isa_abi_headache )
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HTML_DOCS=( doc )
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MULTILIB_WRAPPED_HEADERS=( /usr/include/gmp.h )
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PATCHES=(
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"${FILESDIR}"/${PN}-6.1.0-noexecstack-detect.patch
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"${FILESDIR}"/${PN}-6.2.1-no-zarch.patch
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)
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pkg_pretend() {
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if use cpudetection && ! use amd64 && ! use x86 ; then
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elog "Using generic C implementation on non-amd64/x86 with USE=cpudetection"
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elog "--enable-fat is a no-op on alternative arches."
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elog "To obtain an optimized build, set USE=-cpudetection, but binpkgs should not then be made."
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fi
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}
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src_unpack() {
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use verify-sig && verify-sig_verify_detached "${DISTDIR}"/${MY_P}.tar.xz{,.sig}
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default
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}
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src_prepare() {
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default
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# We cannot run autotools here as gcc depends on this package
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elibtoolize
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# bug #536894
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if [[ ${CHOST} == *-darwin* ]] ; then
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eapply "${FILESDIR}"/${PN}-6.1.2-gcc-apple-4.0.1.patch
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fi
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# GMP uses the "ABI" env var during configure as does Gentoo (econf).
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# So, to avoid patching the source constantly, wrap things up.
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mv configure configure.wrapped || die
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cat <<-\EOF > configure
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#!/usr/bin/env sh
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exec env ABI="${GMPABI}" "$0.wrapped" "$@"
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EOF
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# Patches to original configure might have lost the +x bit.
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chmod a+rx configure{,.wrapped} || die
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# Save the upstream files named config.{guess,sub} which are
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# wrappers around the gnuconfig versions.
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mkdir "${T}"/gmp-gnuconfig || die
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mv config.guess "${T}"/gmp-gnuconfig/config.guess || die
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mv config.sub "${T}"/gmp-gnuconfig/config.sub || die
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# Grab fresh copies from gnuconfig.
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touch config.guess config.sub || die
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gnuconfig_update
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# Rename the fresh copies to the filenames the wrappers from GMP
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# expect.
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mv config.guess configfsf.guess || die
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mv config.sub configfsf.sub || die
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}
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multilib_src_configure() {
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# Generally a very fragile package
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strip-flags
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# Miscompiled with LTO at least on arm64, bug #889948
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# 6.3.0 says it now supports LTO, but needs retesting on a variety
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# of platforms. Fix was maybe https://gmplib.org/repo/gmp-6.3/rev/9c324044f4b5.
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filter-lto
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# https://gmplib.org/list-archives/gmp-bugs/2024-November/005550.html
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append-cflags $(test-flags-CC -std=gnu17)
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# Because of our 32-bit userland, 1.0 is the only HPPA ABI that works
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# https://gmplib.org/manual/ABI-and-ISA.html#ABI-and-ISA (bug #344613)
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if [[ ${CHOST} == hppa2.0-* ]] ; then
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GMPABI="1.0"
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fi
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# ABI mappings (needs all architectures supported)
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case ${ABI} in
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32|x86) GMPABI=32;;
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64|amd64|n64) GMPABI=64;;
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[onx]32) GMPABI=${ABI};;
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esac
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export GMPABI
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tc-export CC
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# https://gmplib.org/manual/Notes-for-Package-Builds
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local myeconfargs=(
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# -std=gnu99 appended here for bug #919935 to help
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# prefix building w/ older compilers.
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CC_FOR_BUILD="$(tc-getBUILD_CC) -std=gnu99"
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--localstatedir="${EPREFIX}"/var/state/gmp
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--enable-shared
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$(use_enable asm assembly)
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# fat is needed to avoid gmp installing either purely generic
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# or specific-to-used-CPU (which our config.guess refresh prevents at the moment).
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# Both Fedora and opensuse use this option to tackle the issue, bug #883201.
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#
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# This only works for amd64/x86, so to get accelerated performance
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# (i.e. not using the generic C), one needs USE=-cpudetection if
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# on non-amd64/x86.
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#
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# (We do not mask USE=cpudetection on !amd64/x86 because we want
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# the flag to be useful on other arches to allow opting out of the
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# config.guess logic below.)
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$(use_enable cpudetection fat)
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$(use_enable cxx)
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$(use_enable static-libs static)
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# --with-pic forces static libraries to be built as PIC
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# and without TEXTRELs. musl does not support TEXTRELs: bug #707332
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$(use pic && echo --with-pic)
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# XXX: In the past, we had PGO support with upstream's 'tuneup' script
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# per https://gmplib.org/manual/Performance-optimization, but we had
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# a variety of issues with it: bug #454912, bug #650558, and bug #658688.
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)
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# Move the wrappers from GMP back into place (may have been destroyed by previous econf run)
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cp "${T}"/gmp-gnuconfig/config.guess "${S}"/config.guess || die
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cp "${T}"/gmp-gnuconfig/config.sub "${S}"/config.sub || die
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# See bug #883201 again.
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if ! use cpudetection && ! tc-is-cross-compiler ; then
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local gmp_host=$("${S}"/config.guess || die "failed to run config.guess")
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if [[ -z ${gmp_host} ]] ; then
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die "Empty result from GMP's custom config.guess!"
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fi
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einfo "GMP guessed processor type: ${gmp_host}"
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ewarn "This build will only work on this machine. Enable USE=cpudetection for binary packages!"
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export ac_cv_build="${gmp_host}"
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export ac_cv_host="${gmp_host}"
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fi
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# Clang with -fsanitize=address may emit weird section names in its asm,
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# which causes gmp's configure checks to select a broken way of
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# specifying `.rodata`. Disable this feature, which was introduced in
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# Clang 15 (and defaulted to on in Clang 18).
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if tc-is-clang && [[ "$(clang-major-version)" -ge 15 ]]; then
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append-cxxflags "-fno-sanitize-address-globals-dead-stripping"
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fi
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ECONF_SOURCE="${S}" econf "${myeconfargs[@]}"
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}
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multilib_src_install() {
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emake DESTDIR="${D}" install
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# Should be a standalone lib
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rm -f "${ED}"/usr/$(get_libdir)/libgmp.la
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# This requires libgmp
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local la="${ED}/usr/$(get_libdir)/libgmpxx.la"
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if ! use static-libs ; then
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rm -f "${la}" || die
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fi
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}
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multilib_src_install_all() {
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einstalldocs
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use doc && cp "${DISTDIR}"/gmp-man-${MANUAL_PV}.pdf "${ED}"/usr/share/doc/${PF}/
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}
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