From e7922302e2e1107a583ddd058fb4853cb6423018 Mon Sep 17 00:00:00 2001 From: geos_one Date: Sun, 30 Sep 2007 08:51:34 +0000 Subject: [PATCH] Initial checkin git-svn-id: https://svn.disconnected-by-peer.at/svn/linamh/trunk/linamh@180 6952d904-891a-0410-993b-d76249ca496b --- sys-devel/llvm-base/llvm-base-2.1.ebuild | 154 +++++++++++++++++++++++ sys-devel/llvm-gcc/llvm-gcc-2.1.ebuild | 141 +++++++++++++++++++++ 2 files changed, 295 insertions(+) create mode 100644 sys-devel/llvm-base/llvm-base-2.1.ebuild create mode 100644 sys-devel/llvm-gcc/llvm-gcc-2.1.ebuild diff --git a/sys-devel/llvm-base/llvm-base-2.1.ebuild b/sys-devel/llvm-base/llvm-base-2.1.ebuild new file mode 100644 index 00000000..91f6a48c --- /dev/null +++ b/sys-devel/llvm-base/llvm-base-2.1.ebuild @@ -0,0 +1,154 @@ +# Copyright 1999-2007 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: $ + +inherit eutils + +DESCRIPTION="Low Level Virtual Machine" +HOMEPAGE="http://llvm.org/" +SRC_URI="http://llvm.org/releases/${PV}/llvm-${PV}.tar.gz" + +LICENSE="LLVM" +# most part of LLVM fall under the "University of Illinois Open Source License" +# which doesn't seem to exist in portage yet, so I call it 'LLVM' for now. it +# can be read from llvm/LICENSE.TXT in the source tarball. + +# the directory llvm/runtime/GCCLibraries/libc contains a stripped down C +# library licensed under the LGPL 2.1 with some third party copyrights, see the +# two LICENCE* files in that directory. Those parts do *not* get built, so +# we omit LGPL in ${LICENCE} + +SLOT="0" + +KEYWORDS="~x86" +# That arch status as of 2.0 is as follows (according to the docs): +# +# x86: Works. Code generation for >= i568 +# +# x86-64: Claimed to work. No native code generation +# +# PowerPC: Partial support claimed. No native code generation. (C/C++ +# frontend will not build on this) +# +# Alpha: Partial support claimed. Native code generation exists but is +# incomplete +# +# IA-64: Partial support claimed. Native code generation exists but is +# incomplete + +IUSE="debug alltargets" +# 'jit' is not a flag anymore. at least on x86, disabling it saves nothing +# at all, so having it always enabled for platforms that support it is fine + +# we're not mirrored, fetch from homepage +RESTRICT="mirror" + +DEPEND="dev-lang/perl" +RDEPEND="dev-lang/perl" +PDEPEND="" +# note that app-arch/pax is no longer a dependency + +S="${WORKDIR}/llvm-${PV}" + +MY_LLVM_GCC_PREFIX=/usr/lib/llvm-gcc +# this same variable is located in llvm-gcc's ebuild; keep them in sync + +pkg_setup() { + # TODO: some version of GCC are known to miscompile LLVM, check for them + # here. (See docs/GettingStarted.html) + + # inherit toolchain-funcs + # tc-getXX + # gcc-fullversion + true +} + +src_unpack() { + unpack ${A} + cd "${S}" + + # unfortunately ./configure won't listen to --mandir and the-like, so take + # care of this. + einfo "Fixing install dirs" + sed -e 's,^PROJ_docsdir.*,PROJ_docsdir := $(DESTDIR)$(PROJ_prefix)/share/doc/'${PF}, \ + -e 's,^PROJ_etcdir.*,PROJ_etcdir := $(DESTDIR)/etc/llvm,' \ + -i Makefile.config.in || die "sed failed" + + # fix gccld and gccas, which would otherwise point to the build directory + einfo "Fixing gccld and gccas" + sed -e 's,^TOOLDIR.*,TOOLDIR=/usr/bin,' \ + -i tools/gccld/gccld.sh tools/gccas/gccas.sh || die "sed failed" + + # all binaries get rpath'd to a dir in the temporary tree that doesn't + # contain libraries anyway; can safely remove those to avoid QA warnings + # (the exception would be if we build shared libraries, which we don't) + einfo "Fixing rpath" + sed -e 's,-rpath \$(ToolDir),,g' -i Makefile.rules || die "sed failed" +} + + +src_compile() { + local CONF_FLAGS="" + + if use debug; then + CONF_FLAGS="${CONF_FLAGS} --disable-optimized" + einfo "Note: Compiling LLVM in debug mode will create huge and slow binaries" + # ...and you probably shouldn't use tmpfs, unless it can hold 900MB + else + CONF_FLAGS="${CONF_FLAGS} --enable-optimized" + fi + + if use alltargets; then + CONF_FLAGS="${CONF_FLAGS} --enable-targets=all" + else + CONF_FLAGS="${CONF_FLAGS} --enable-targets=host-only" + fi + + # a few minor things would be built a bit differently depending on whether + # llvm-gcc is already present on the system or not. let's avoid that by + # not letting it find llvm-gcc. llvm-gcc isn't required for anything + # anyway. this dummy path will get spread to a few places, but none where + # it really matters. + CONF_FLAGS="${CONF_FLAGS} --with-llvmgccdir=/dev/null" + + econf ${CONF_FLAGS} || die "econf failed" + emake tools-only || die "emake failed" +} + +src_install() +{ + make DESTDIR="${D}" install || die "make install failed" + + # for some reason, LLVM creates a few .dir files. remove them + find "${D}" -name .dir -print0 | xargs -r0 rm + + # tblgen and stkrc do not get installed and wouldn't be very useful anyway, + # so remove their man pages. llvmgcc.1 and llvmgxx.1 are present here for + # unknown reasons. llvm-gcc will install proper man pages for itself, so + # remove these strange thingies here. + einfo "Removing unnecessary man pages" + rm "${D}"/usr/share/man/man1/{tblgen,stkrc,llvmgcc,llvmgxx}.1 + + # this also installed the man pages llvmgcc.1 and llvmgxx.1, which is a bit + # a mistery because those binares are provided by llvm-gcc + + # llvmc makes use of the files in /etc/llvm to find programs to run; those + # files contain markers that are meant to be replaced at runtime with + # strings that were determined at llvm-base's compile time (odd isn't it?); + # those strings will be empty in case llvm-base is built while llvm-gcc + # doesn't exist yet (which is a common case). to make things work in + # either case, fix it by replacing the markers with hard strings of where + # llvm-gcc will be in case it will be installed + + einfo "Configuring llvmc" + + for X in c c++ cpp cxx ll st; do + sed -e "s,%cc1%,${MY_LLVM_GCC_PREFIX}/libexec/gcc/${CHOST}/4.0.1/cc1,g" \ + -e "s,%cc1plus%,${MY_LLVM_GCC_PREFIX}/libexec/gcc/${CHOST}/4.0.1/cc1plus,g" \ + -e "s,%llvmgccdir%,${MY_LLVM_GCC_PREFIX},g" \ + -e "s,%llvmgcclibexec%,${MY_LLVM_GCC_PREFIX}/libexec/gcc/${CHOST}/4.0.1,g" \ + -e "s,%bindir%,/usr/bin,g" \ + -i "${D}/etc/llvm/$X" || "sed failed" + done +} + diff --git a/sys-devel/llvm-gcc/llvm-gcc-2.1.ebuild b/sys-devel/llvm-gcc/llvm-gcc-2.1.ebuild new file mode 100644 index 00000000..f061ac1d --- /dev/null +++ b/sys-devel/llvm-gcc/llvm-gcc-2.1.ebuild @@ -0,0 +1,141 @@ +# Copyright 1999-2007 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: $ + +# TODO: +# This ebuild emits a QA warning about executable stacks. What I could +# find out so far is that cc1 from this package will not include the +# necessary line ".section ... GNU-stack..." in its assembler output, +# while the system's cc1 does. And of course this package's cc1 will be +# used to build its libraries. (check if maybe vanilla gcc 4.0.1 just +# didn't do that either.) + +inherit eutils + +# TODO: handle gcc4.0 vs gcc4.2 + +DESCRIPTION="C and C++ Frontend for the Low Level Virtual Machine" +HOMEPAGE="http://llvm.org/" +SRC_URI="http://llvm.org/releases/${PV}/llvm-gcc4.0-${PV}.source.tar.gz" + +LICENSE="GPL-2" +SLOT="0" +KEYWORDS="~x86" +# That arch status as of 2.0 is as follows (according to the docs): +# +# x86: Works. +# +# x86-64: Claimed to work. +# +# PowerPC: Won't work. +# +# Alpha: Partial support claimed. +# +# IA-64: Partial support claimed. + +IUSE="" + +# we're not mirrored, fetch from homepage +RESTRICT="mirror" + +DEPEND=">=sys-devel/llvm-base-2.1" +RDEPEND=">=sys-devel/llvm-base-2.1" + +S="${WORKDIR}/llvm-gcc4.0-${PV}.source" + +MY_LLVM_GCC_PREFIX=/usr/lib/llvm-gcc +# install everything in its own prefix to avoid collisions with regular gcc. +# this same variable is located in llvm-base's ebuild; keep them in sync + +src_unpack() { + unpack ${A} + mkdir "${WORKDIR}/obj" + + # Note: normally (if you follow the build instructions), we would need to + # pass --enable-llvm=objdir to ./configure in order to build the LLVM + # back-end of GCC (without it we'd get a normal and boring compiler with no + # LLVM). But this option expects the objdir of llvm-base as a parameter, + # which we don't have. by not passing this option, we make ./configure + # believe that we don't want to build the LLVM back-end, thus it won't + # verify the required objdir. Instead, the following sed magic enables + # LLVM support in Makefile.in directly and tells it where to find the + # things it needs + + # in gcc/Makefile.in LLVMOBJDIR needs to be set so the LLVM back-end gets + # built, but its value is now meaningless. LLVMSRCDIR is set to the same + # to simulate a objdir == srcdir build of llvm-base. LLVMBINPATH is only + # used to find llvm-config + + cd "${S}" + einfo "Enabling LLVM" + sed -e 's,^LLVMSRCDIR.*,LLVMSRCDIR := dummy,' \ + -e 's,\$(LLVMSRCDIR)/include,/usr/include,g' \ + -e 's,^LLVMOBJDIR.*,LLVMOBJDIR := dummy,' \ + -e 's,\$(LLVMOBJDIR)/include,/usr/include,g' \ + -e 's,^LLVMBINPATH.*,LLVMBINPATH = /usr/bin,' \ + -i gcc/Makefile.in || die "sed failed" +} + +src_compile() { + local CONF_FLAGS="" + + cd "${WORKDIR}/obj" + + # TODO: someone put that in other ebuild attempts to llvm-gcc, but I don't + # know why + #replace-flags "-march=pentium-m" "-march=pentium3" + + # TODO: shall we or not? + #CONF_FLAGS="${CONF_FLAGS} --disable-threads" + + # this is to avoid this problem: http://llvm.org/bugs/show_bug.cgi?id=896 + CONF_FLAGS="${CONF_FLAGS} --disable-shared" + + if useq amd64; then + CONF_FLAGS="${CONF_FLAGS} --disable-multilib" + fi + + CONF_FLAGS="${CONF_FLAGS} --prefix=${MY_LLVM_GCC_PREFIX}" + CONF_FLAGS="${CONF_FLAGS} --disable-nls" + CONF_FLAGS="${CONF_FLAGS} --enable-languages=c,c++" + CONF_FLAGS="${CONF_FLAGS} --infodir=/usr/share/info" + CONF_FLAGS="${CONF_FLAGS} --mandir=/usr/share/man" + + "${S}"/configure ${CONF_FLAGS} || die "./configure failed" + emake || die "emake failed" + + # bootstrapping is also possible but takes much longer for unknown benefits + #emake bootstrap || die "emake failed" +} + +src_install() { + cd "${WORKDIR}/obj" + make DESTDIR="${D}" install || die "make install failed" + + einfo "Install symlinks in /usr/bin" + dodir /usr/bin + cd "${D}/usr/bin" + for X in c++ g++ cpp gcc gcov gccbug; do + ln -s "${MY_LLVM_GCC_PREFIX}/bin/$X" "llvm-$X" || die "ln failed" + done + + einfo "Fixing man and info pages" + + # man7 contains gfld, gpl and fsf-funding. those should be present on the + # system already + rm -rf "${D}/usr/share/man/man7" + + # install man1 pages with a llvm- prefix + cd "${D}/usr/share/man/man1" || die "cd failed" + for X in *; do + mv "${X}" "llvm-${X}" || die "mv failed" + done + + # ditto for info pages + cd "${D}/usr/share/info" || die "cd failed" + rm -f dir + for X in *; do + mv "${X}" "llvm-${X}" + done +} +