| # Copyright 1999-2023 Gentoo Authors |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| EAPI=7 |
| |
| inherit gnuconfig libtool multilib-minimal toolchain-funcs |
| |
| MY_PV=${PV/_p*} |
| MY_PV=${MY_PV/_/-} |
| |
| MANUAL_PV=${MY_PV} |
| MANUAL_PV=6.2.1 |
| |
| MY_P=${PN}-${MY_PV} |
| PLEVEL=${PV/*p} |
| |
| DESCRIPTION="Library for arbitrary-precision arithmetic on different type of numbers" |
| HOMEPAGE="https://gmplib.org/" |
| SRC_URI=" |
| https://gmplib.org/download/gmp/${MY_P}.tar.xz |
| mirror://gnu/${PN}/${MY_P}.tar.xz |
| doc? ( https://gmplib.org/${PN}-man-${MANUAL_PV}.pdf ) |
| " |
| SRC_URI+=" https://dev.gentoo.org/~sam/distfiles/${CATEGORY}/${PN}/${P}-arm64-darwin.patch.bz2" |
| S="${WORKDIR}"/${MY_P%a} |
| |
| LICENSE="|| ( LGPL-3+ GPL-2+ )" |
| # The subslot reflects the C & C++ SONAMEs. |
| SLOT="0/10.4" |
| KEYWORDS="*" |
| IUSE="+asm doc +cpudetection +cxx pic static-libs" |
| REQUIRED_USE="cpudetection? ( asm )" |
| RESTRICT="!cpudetection? ( bindist )" |
| |
| BDEPEND=" |
| app-arch/xz-utils |
| sys-devel/m4 |
| " |
| |
| DOCS=( AUTHORS ChangeLog NEWS README doc/configuration doc/isa_abi_headache ) |
| HTML_DOCS=( doc ) |
| |
| MULTILIB_WRAPPED_HEADERS=( /usr/include/gmp.h ) |
| |
| PATCHES=( |
| "${FILESDIR}"/${PN}-6.1.0-noexecstack-detect.patch |
| "${FILESDIR}"/${PN}-6.2.1-no-zarch.patch |
| "${WORKDIR}"/${P}-arm64-darwin.patch |
| "${FILESDIR}"/${P}-CVE-2021-43618.patch |
| ) |
| |
| pkg_pretend() { |
| if use cpudetection && ! use amd64 && ! use x86 ; then |
| elog "Using generic C implementation on non-amd64/x86 with USE=cpudetection" |
| elog "--enable-fat is a no-op on alternative arches." |
| elog "To obtain an optimized build, set USE=-cpudetection, but binpkgs should not then be made." |
| fi |
| } |
| |
| src_prepare() { |
| default |
| |
| # We cannot run autotools here as gcc depends on this package |
| elibtoolize |
| |
| # bug #536894 |
| if [[ ${CHOST} == *-darwin* ]] ; then |
| eapply "${FILESDIR}"/${PN}-6.1.2-gcc-apple-4.0.1.patch |
| fi |
| |
| # GMP uses the "ABI" env var during configure as does Gentoo (econf). |
| # So, to avoid patching the source constantly, wrap things up. |
| mv configure configure.wrapped || die |
| cat <<-\EOF > configure |
| #!/usr/bin/env sh |
| exec env ABI="${GMPABI}" "$0.wrapped" "$@" |
| EOF |
| |
| # Patches to original configure might have lost the +x bit. |
| chmod a+rx configure{,.wrapped} || die |
| |
| # Save the upstream files named config.{guess,sub} which are |
| # wrappers around the gnuconfig versions. |
| mkdir "${T}"/gmp-gnuconfig || die |
| mv config.guess "${T}"/gmp-gnuconfig/config.guess || die |
| mv config.sub "${T}"/gmp-gnuconfig/config.sub || die |
| # Grab fresh copies from gnuconfig. |
| touch config.guess config.sub || die |
| gnuconfig_update |
| # Rename the fresh copies to the filenames the wrappers from GMP |
| # expect. |
| mv config.guess configfsf.guess || die |
| mv config.sub configfsf.sub || die |
| } |
| |
| multilib_src_configure() { |
| # Because of our 32-bit userland, 1.0 is the only HPPA ABI that works |
| # https://gmplib.org/manual/ABI-and-ISA.html#ABI-and-ISA (bug #344613) |
| if [[ ${CHOST} == hppa2.0-* ]] ; then |
| GMPABI="1.0" |
| fi |
| |
| # ABI mappings (needs all architectures supported) |
| case ${ABI} in |
| 32|x86) GMPABI=32;; |
| 64|amd64|n64) GMPABI=64;; |
| [onx]32) GMPABI=${ABI};; |
| esac |
| export GMPABI |
| |
| tc-export CC |
| |
| # https://gmplib.org/manual/Notes-for-Package-Builds |
| local myeconfargs=( |
| CC_FOR_BUILD="$(tc-getBUILD_CC)" |
| |
| --localstatedir="${EPREFIX}"/var/state/gmp |
| --enable-shared |
| |
| $(use_enable asm assembly) |
| # fat is needed to avoid gmp installing either purely generic |
| # or specific-to-used-CPU (which our config.guess refresh prevents at the moment). |
| # Both Fedora and opensuse use this option to tackle the issue, bug #883201. |
| # |
| # This only works for amd64/x86, so to get accelerated performance |
| # (i.e. not using the generic C), one needs USE=-cpudetection if |
| # on non-amd64/x86. |
| # |
| # (We do not mask USE=cpudetection on !amd64/x86 because we want |
| # the flag to be useful on other arches to allow opting out of the |
| # config.guess logic below.) |
| $(use_enable cpudetection fat) |
| $(use_enable cxx) |
| $(use_enable static-libs static) |
| |
| # --with-pic forces static libraries to be built as PIC |
| # and without TEXTRELs. musl does not support TEXTRELs: bug #707332 |
| $(use pic && echo --with-pic) |
| ) |
| |
| # Move the wrappers from GMP back into place (may have been destroyed by previous econf run) |
| cp "${T}"/gmp-gnuconfig/config.guess "${S}"/config.guess || die |
| cp "${T}"/gmp-gnuconfig/config.sub "${S}"/config.sub || die |
| |
| # See bug #883201 again. |
| if ! use cpudetection && ! tc-is-cross-compiler ; then |
| local gmp_host=$("${S}"/config.guess || die "failed to run config.guess") |
| |
| if [[ -z ${gmp_host} ]] ; then |
| die "Empty result from GMP's custom config.guess!" |
| fi |
| |
| einfo "GMP guessed processor type: ${gmp_host}" |
| ewarn "This build will only work on this machine. Enable USE=cpudetection for binary packages!" |
| export ac_cv_build="${gmp_host}" |
| export ac_cv_host="${gmp_host}" |
| fi |
| |
| ECONF_SOURCE="${S}" econf "${myeconfargs[@]}" |
| } |
| |
| multilib_src_install() { |
| emake DESTDIR="${D}" install |
| |
| # Should be a standalone lib |
| rm -f "${ED}"/usr/$(get_libdir)/libgmp.la |
| |
| # This requires libgmp |
| local la="${ED}/usr/$(get_libdir)/libgmpxx.la" |
| if ! use static-libs ; then |
| rm -f "${la}" || die |
| fi |
| } |
| |
| multilib_src_install_all() { |
| einstalldocs |
| use doc && cp "${DISTDIR}"/gmp-man-${MANUAL_PV}.pdf "${ED}"/usr/share/doc/${PF}/ |
| } |