Initial checkin
git-svn-id: https://svn.disconnected-by-peer.at/svn/linamh/trunk/linamh@180 6952d904-891a-0410-993b-d76249ca496b
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geos_one
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9e53c68880
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# Copyright 1999-2007 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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inherit eutils
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DESCRIPTION="Low Level Virtual Machine"
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HOMEPAGE="http://llvm.org/"
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SRC_URI="http://llvm.org/releases/${PV}/llvm-${PV}.tar.gz"
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LICENSE="LLVM"
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# most part of LLVM fall under the "University of Illinois Open Source License"
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# which doesn't seem to exist in portage yet, so I call it 'LLVM' for now. it
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# can be read from llvm/LICENSE.TXT in the source tarball.
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# the directory llvm/runtime/GCCLibraries/libc contains a stripped down C
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# library licensed under the LGPL 2.1 with some third party copyrights, see the
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# two LICENCE* files in that directory. Those parts do *not* get built, so
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# we omit LGPL in ${LICENCE}
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SLOT="0"
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KEYWORDS="~x86"
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# That arch status as of 2.0 is as follows (according to the docs):
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#
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# x86: Works. Code generation for >= i568
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#
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# x86-64: Claimed to work. No native code generation
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#
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# PowerPC: Partial support claimed. No native code generation. (C/C++
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# frontend will not build on this)
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#
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# Alpha: Partial support claimed. Native code generation exists but is
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# incomplete
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#
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# IA-64: Partial support claimed. Native code generation exists but is
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# incomplete
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IUSE="debug alltargets"
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# 'jit' is not a flag anymore. at least on x86, disabling it saves nothing
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# at all, so having it always enabled for platforms that support it is fine
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# we're not mirrored, fetch from homepage
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RESTRICT="mirror"
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DEPEND="dev-lang/perl"
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RDEPEND="dev-lang/perl"
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PDEPEND=""
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# note that app-arch/pax is no longer a dependency
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S="${WORKDIR}/llvm-${PV}"
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MY_LLVM_GCC_PREFIX=/usr/lib/llvm-gcc
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# this same variable is located in llvm-gcc's ebuild; keep them in sync
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pkg_setup() {
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# TODO: some version of GCC are known to miscompile LLVM, check for them
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# here. (See docs/GettingStarted.html)
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# inherit toolchain-funcs
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# tc-getXX
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# gcc-fullversion
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true
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}
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src_unpack() {
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unpack ${A}
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cd "${S}"
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# unfortunately ./configure won't listen to --mandir and the-like, so take
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# care of this.
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einfo "Fixing install dirs"
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sed -e 's,^PROJ_docsdir.*,PROJ_docsdir := $(DESTDIR)$(PROJ_prefix)/share/doc/'${PF}, \
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-e 's,^PROJ_etcdir.*,PROJ_etcdir := $(DESTDIR)/etc/llvm,' \
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-i Makefile.config.in || die "sed failed"
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# fix gccld and gccas, which would otherwise point to the build directory
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einfo "Fixing gccld and gccas"
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sed -e 's,^TOOLDIR.*,TOOLDIR=/usr/bin,' \
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-i tools/gccld/gccld.sh tools/gccas/gccas.sh || die "sed failed"
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# all binaries get rpath'd to a dir in the temporary tree that doesn't
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# contain libraries anyway; can safely remove those to avoid QA warnings
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# (the exception would be if we build shared libraries, which we don't)
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einfo "Fixing rpath"
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sed -e 's,-rpath \$(ToolDir),,g' -i Makefile.rules || die "sed failed"
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}
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src_compile() {
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local CONF_FLAGS=""
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if use debug; then
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CONF_FLAGS="${CONF_FLAGS} --disable-optimized"
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einfo "Note: Compiling LLVM in debug mode will create huge and slow binaries"
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# ...and you probably shouldn't use tmpfs, unless it can hold 900MB
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else
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CONF_FLAGS="${CONF_FLAGS} --enable-optimized"
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fi
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if use alltargets; then
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CONF_FLAGS="${CONF_FLAGS} --enable-targets=all"
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else
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CONF_FLAGS="${CONF_FLAGS} --enable-targets=host-only"
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fi
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# a few minor things would be built a bit differently depending on whether
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# llvm-gcc is already present on the system or not. let's avoid that by
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# not letting it find llvm-gcc. llvm-gcc isn't required for anything
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# anyway. this dummy path will get spread to a few places, but none where
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# it really matters.
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CONF_FLAGS="${CONF_FLAGS} --with-llvmgccdir=/dev/null"
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econf ${CONF_FLAGS} || die "econf failed"
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emake tools-only || die "emake failed"
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}
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src_install()
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{
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make DESTDIR="${D}" install || die "make install failed"
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# for some reason, LLVM creates a few .dir files. remove them
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find "${D}" -name .dir -print0 | xargs -r0 rm
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# tblgen and stkrc do not get installed and wouldn't be very useful anyway,
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# so remove their man pages. llvmgcc.1 and llvmgxx.1 are present here for
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# unknown reasons. llvm-gcc will install proper man pages for itself, so
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# remove these strange thingies here.
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einfo "Removing unnecessary man pages"
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rm "${D}"/usr/share/man/man1/{tblgen,stkrc,llvmgcc,llvmgxx}.1
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# this also installed the man pages llvmgcc.1 and llvmgxx.1, which is a bit
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# a mistery because those binares are provided by llvm-gcc
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# llvmc makes use of the files in /etc/llvm to find programs to run; those
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# files contain markers that are meant to be replaced at runtime with
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# strings that were determined at llvm-base's compile time (odd isn't it?);
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# those strings will be empty in case llvm-base is built while llvm-gcc
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# doesn't exist yet (which is a common case). to make things work in
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# either case, fix it by replacing the markers with hard strings of where
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# llvm-gcc will be in case it will be installed
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einfo "Configuring llvmc"
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for X in c c++ cpp cxx ll st; do
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sed -e "s,%cc1%,${MY_LLVM_GCC_PREFIX}/libexec/gcc/${CHOST}/4.0.1/cc1,g" \
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-e "s,%cc1plus%,${MY_LLVM_GCC_PREFIX}/libexec/gcc/${CHOST}/4.0.1/cc1plus,g" \
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-e "s,%llvmgccdir%,${MY_LLVM_GCC_PREFIX},g" \
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-e "s,%llvmgcclibexec%,${MY_LLVM_GCC_PREFIX}/libexec/gcc/${CHOST}/4.0.1,g" \
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-e "s,%bindir%,/usr/bin,g" \
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-i "${D}/etc/llvm/$X" || "sed failed"
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done
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}
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@ -0,0 +1,141 @@
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# Copyright 1999-2007 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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# TODO:
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# This ebuild emits a QA warning about executable stacks. What I could
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# find out so far is that cc1 from this package will not include the
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# necessary line ".section ... GNU-stack..." in its assembler output,
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# while the system's cc1 does. And of course this package's cc1 will be
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# used to build its libraries. (check if maybe vanilla gcc 4.0.1 just
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# didn't do that either.)
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inherit eutils
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# TODO: handle gcc4.0 vs gcc4.2
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DESCRIPTION="C and C++ Frontend for the Low Level Virtual Machine"
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HOMEPAGE="http://llvm.org/"
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SRC_URI="http://llvm.org/releases/${PV}/llvm-gcc4.0-${PV}.source.tar.gz"
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LICENSE="GPL-2"
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SLOT="0"
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KEYWORDS="~x86"
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# That arch status as of 2.0 is as follows (according to the docs):
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#
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# x86: Works.
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#
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# x86-64: Claimed to work.
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#
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# PowerPC: Won't work.
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#
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# Alpha: Partial support claimed.
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#
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# IA-64: Partial support claimed.
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IUSE=""
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# we're not mirrored, fetch from homepage
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RESTRICT="mirror"
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DEPEND=">=sys-devel/llvm-base-2.1"
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RDEPEND=">=sys-devel/llvm-base-2.1"
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S="${WORKDIR}/llvm-gcc4.0-${PV}.source"
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MY_LLVM_GCC_PREFIX=/usr/lib/llvm-gcc
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# install everything in its own prefix to avoid collisions with regular gcc.
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# this same variable is located in llvm-base's ebuild; keep them in sync
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src_unpack() {
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unpack ${A}
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mkdir "${WORKDIR}/obj"
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# Note: normally (if you follow the build instructions), we would need to
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# pass --enable-llvm=objdir to ./configure in order to build the LLVM
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# back-end of GCC (without it we'd get a normal and boring compiler with no
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# LLVM). But this option expects the objdir of llvm-base as a parameter,
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# which we don't have. by not passing this option, we make ./configure
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# believe that we don't want to build the LLVM back-end, thus it won't
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# verify the required objdir. Instead, the following sed magic enables
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# LLVM support in Makefile.in directly and tells it where to find the
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# things it needs
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# in gcc/Makefile.in LLVMOBJDIR needs to be set so the LLVM back-end gets
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# built, but its value is now meaningless. LLVMSRCDIR is set to the same
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# to simulate a objdir == srcdir build of llvm-base. LLVMBINPATH is only
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# used to find llvm-config
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cd "${S}"
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einfo "Enabling LLVM"
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sed -e 's,^LLVMSRCDIR.*,LLVMSRCDIR := dummy,' \
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-e 's,\$(LLVMSRCDIR)/include,/usr/include,g' \
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-e 's,^LLVMOBJDIR.*,LLVMOBJDIR := dummy,' \
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-e 's,\$(LLVMOBJDIR)/include,/usr/include,g' \
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-e 's,^LLVMBINPATH.*,LLVMBINPATH = /usr/bin,' \
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-i gcc/Makefile.in || die "sed failed"
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}
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src_compile() {
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local CONF_FLAGS=""
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cd "${WORKDIR}/obj"
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# TODO: someone put that in other ebuild attempts to llvm-gcc, but I don't
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# know why
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#replace-flags "-march=pentium-m" "-march=pentium3"
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# TODO: shall we or not?
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#CONF_FLAGS="${CONF_FLAGS} --disable-threads"
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# this is to avoid this problem: http://llvm.org/bugs/show_bug.cgi?id=896
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CONF_FLAGS="${CONF_FLAGS} --disable-shared"
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if useq amd64; then
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CONF_FLAGS="${CONF_FLAGS} --disable-multilib"
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fi
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CONF_FLAGS="${CONF_FLAGS} --prefix=${MY_LLVM_GCC_PREFIX}"
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CONF_FLAGS="${CONF_FLAGS} --disable-nls"
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CONF_FLAGS="${CONF_FLAGS} --enable-languages=c,c++"
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CONF_FLAGS="${CONF_FLAGS} --infodir=/usr/share/info"
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CONF_FLAGS="${CONF_FLAGS} --mandir=/usr/share/man"
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"${S}"/configure ${CONF_FLAGS} || die "./configure failed"
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emake || die "emake failed"
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# bootstrapping is also possible but takes much longer for unknown benefits
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#emake bootstrap || die "emake failed"
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}
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src_install() {
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cd "${WORKDIR}/obj"
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make DESTDIR="${D}" install || die "make install failed"
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einfo "Install symlinks in /usr/bin"
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dodir /usr/bin
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cd "${D}/usr/bin"
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for X in c++ g++ cpp gcc gcov gccbug; do
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ln -s "${MY_LLVM_GCC_PREFIX}/bin/$X" "llvm-$X" || die "ln failed"
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done
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einfo "Fixing man and info pages"
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# man7 contains gfld, gpl and fsf-funding. those should be present on the
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# system already
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rm -rf "${D}/usr/share/man/man7"
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# install man1 pages with a llvm- prefix
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cd "${D}/usr/share/man/man1" || die "cd failed"
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for X in *; do
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mv "${X}" "llvm-${X}" || die "mv failed"
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done
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# ditto for info pages
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cd "${D}/usr/share/info" || die "cd failed"
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rm -f dir
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for X in *; do
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mv "${X}" "llvm-${X}"
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done
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}
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