Mitch Harder
ed892e69f0
Added ebuilds for sci-libs/mpir from the Gentoo Science Overlay as a dependency for sci-mathematics/Macaulay2.
79 lines
2.1 KiB
Bash
79 lines
2.1 KiB
Bash
# Copyright 1999-2010 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: $
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EAPI="3"
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inherit eutils autotools
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DESCRIPTION="MPIR is a library for arbitrary precision integer arithmetic derived from version 4.2.1 of gmp"
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HOMEPAGE="http://www.mpir.org/"
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SRC_URI="http://www.mpir.org/${P}.tar.gz"
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RESTRICT="mirror"
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LICENSE="LGPL-3"
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SLOT="0"
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KEYWORDS="~x86 ~amd64 ~ppc"
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IUSE="+cxx cpudetection"
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DEPEND="x86? ( dev-lang/yasm )
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amd64? ( dev-lang/yasm )"
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RDEPEND=""
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src_prepare(){
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epatch "${FILESDIR}/${PN}-2.0.0-yasm.patch"
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epatch "${FILESDIR}/${PN}-1.3.0-ABI-multilib.patch"
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# FIXME: In the same way there was QA regarding executable stacks
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# with GMP we have some here as well. We cannot apply the
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# GMP solution as yasm is used, at least on x86/amd64.
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# Furthermore we are able to patch config.ac.
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ebegin "Patching assembler files to remove executable sections"
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# TODO: report this to upstream
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# TODO: apply patch for all files ?
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# TODO: why does the as-style patch work (does mpir really use yasm ??)
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for i in $(find . -type f -name '*.asm') ; do
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echo $i >/dev/null
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cat >> $i <<-EOF
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#if defined(__linux__) && defined(__ELF__)
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.section .note.GNU-stack,"",%progbits
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#endif
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EOF
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done
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for i in $(find . -type f -name '*.as') ; do
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echo $i >/dev/null
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cat >> $i <<-EOF
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%ifidn __OUTPUT_FORMAT__,elf
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section .note.GNU-stack noalloc noexec nowrite progbits
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%endif
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EOF
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done
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eend
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eautoreconf
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}
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src_configure() {
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# beware that cpudetection aka fat binaries is x86/amd64 only.
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# Place mpir in profiles/arch/$arch/package.use.mask when making it available on $arch.
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econf \
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$(use_enable cxx) \
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$(use_enable cpudetection fat) \
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|| "econf failed"
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}
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src_install() {
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emake DESTDIR="${D}" install || die "emake install failed"
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dodoc ChangeLog README NEWS
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}
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pkg_postinst() {
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elog "The mpir ebuild is still under development."
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elog "Help us improve the ebuild in:"
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elog "http://bugs.gentoo.org/show_bug.cgi?id=293383"
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elog "This ebuild is known to have an executable stack problem on some CPUs"
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}
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