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# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-devel/llvm/llvm-2.8-r2.ebuild,v 1.9 2013/01/03 23:29:51 voyageur Exp $
EAPI="4"
inherit eutils multilib toolchain-funcs
DESCRIPTION="Low Level Virtual Machine"
HOMEPAGE="http://llvm.org/"
# Upstream silently re-released the tarball...
# drop the -> in 2.9
SRC_URI="http://llvm.org/releases/${PV}/${P}.tgz -> ${P}-r1.tgz"
LICENSE="UoI-NCSA"
SLOT="0"
KEYWORDS="amd64 ppc x86 ~amd64-linux ~x86-linux ~ppc-macos"
IUSE="debug +libffi llvm-gcc multitarget ocaml test udis86"
DEPEND="dev-lang/perl
>=sys-devel/make-3.79
>=sys-devel/flex-2.5.4
>=sys-devel/bison-1.875d
|| ( >=sys-devel/gcc-3.0 >=sys-devel/gcc-apple-4.2.1 )
|| ( >=sys-devel/binutils-2.18 >=sys-devel/binutils-apple-3.2.3 )
libffi? ( virtual/libffi )
ocaml? ( dev-lang/ocaml )
udis86? ( dev-libs/udis86[pic(+)] )"
RDEPEND="dev-lang/perl"
S=${WORKDIR}/${PN}-${PV/_pre*}
pkg_setup() {
# need to check if the active compiler is ok
broken_gcc=" 3.2.2 3.2.3 3.3.2 4.1.1 "
broken_gcc_x86=" 3.4.0 3.4.2 "
broken_gcc_amd64=" 3.4.6 "
gcc_vers=$(gcc-fullversion)
if [[ ${broken_gcc} == *" ${version} "* ]] ; then
elog "Your version of gcc is known to miscompile llvm."
elog "Check http://www.llvm.org/docs/GettingStarted.html for"
elog "possible solutions."
die "Your currently active version of gcc is known to miscompile llvm"
fi
if [[ ${CHOST} == i*86-* && ${broken_gcc_x86} == *" ${version} "* ]] ; then
elog "Your version of gcc is known to miscompile llvm on x86"
elog "architectures. Check"
elog "http://www.llvm.org/docs/GettingStarted.html for possible"
elog "solutions."
die "Your currently active version of gcc is known to miscompile llvm"
fi
if [[ ${CHOST} == x86_64-* && ${broken_gcc_amd64} == *" ${version} "* ]];
then
elog "Your version of gcc is known to miscompile llvm in amd64"
elog "architectures. Check"
elog "http://www.llvm.org/docs/GettingStarted.html for possible"
elog "solutions."
die "Your currently active version of gcc is known to miscompile llvm"
fi
}
src_prepare() {
# 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 := $(PROJ_prefix)/share/doc/'${PF}, \
-e 's,^PROJ_etcdir.*,PROJ_etcdir := '"${EPREFIX}"'/etc/llvm,' \
-e 's,^PROJ_libdir.*,PROJ_libdir := $(PROJ_prefix)/'$(get_libdir)/${PN}, \
-i Makefile.config.in || die "Makefile.config sed failed"
sed -e 's,$ABS_RUN_DIR/lib,'"${EPREFIX}"/usr/$(get_libdir)/${PN}, \
-i tools/llvm-config/llvm-config.in.in || die "llvm-config sed failed"
einfo "Fixing rpath and CFLAGS"
sed -e 's,\$(RPATH) -Wl\,\$(\(ToolDir\|LibDir\)),$(RPATH) -Wl\,'"${EPREFIX}"/usr/$(get_libdir)/${PN}, \
-e '/OmitFramePointer/s/-fomit-frame-pointer//' \
-i Makefile.rules || die "rpath sed failed"
epatch "${FILESDIR}"/${PN}-2.7-nodoctargz.patch
epatch "${FILESDIR}"/${PN}-2.6-commandguide-nops.patch
epatch "${FILESDIR}"/${PN}-2.8-darwin8.patch
# Upstream backport, r117774
epatch "${FILESDIR}"/${P}-alignof.patch
}
src_configure() {
local CONF_FLAGS="--enable-shared"
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 \
--with-optimize-option= \
--disable-assertions \
--disable-expensive-checks"
fi
if use multitarget; then
CONF_FLAGS="${CONF_FLAGS} --enable-targets=all"
else
CONF_FLAGS="${CONF_FLAGS} --enable-targets=host-only"
fi
if use amd64; then
CONF_FLAGS="${CONF_FLAGS} --enable-pic"
fi
# things would be built differently depending on whether llvm-gcc is
# used or not.
local LLVM_GCC_DIR=/dev/null
local LLVM_GCC_DRIVER=nope ; local LLVM_GPP_DRIVER=nope
if use llvm-gcc ; then
if has_version sys-devel/llvm-gcc; then
LLVM_GCC_DIR=$(ls -d ${EROOT}/usr/$(get_libdir)/llvm-gcc* 2> /dev/null)
LLVM_GCC_DRIVER=$(find ${LLVM_GCC_DIR} -name 'llvm*-gcc' 2> /dev/null)
if [[ -z ${LLVM_GCC_DRIVER} ]] ; then
die "failed to find installed llvm-gcc, LLVM_GCC_DIR=${LLVM_GCC_DIR}"
fi
einfo "Using $LLVM_GCC_DRIVER"
LLVM_GPP_DRIVER=${LLVM_GCC_DRIVER/%-gcc/-g++}
else
eerror "llvm-gcc USE flag enabled, but sys-devel/llvm-gcc was not found"
eerror "Building with standard gcc, re-merge this package after installing"
eerror "llvm-gcc to build with it"
eerror "This is normal behavior on first LLVM merge"
fi
fi
CONF_FLAGS="${CONF_FLAGS} \
--with-llvmgccdir=${LLVM_GCC_DIR} \
--with-llvmgcc=${LLVM_GCC_DRIVER} \
--with-llvmgxx=${LLVM_GPP_DRIVER}"
if use ocaml; then
CONF_FLAGS="${CONF_FLAGS} --enable-bindings=ocaml"
else
CONF_FLAGS="${CONF_FLAGS} --enable-bindings=none"
fi
if use udis86; then
CONF_FLAGS="${CONF_FLAGS} --with-udis86"
fi
CONF_FLAGS="${CONF_FLAGS} $(use_enable libffi)"
econf ${CONF_FLAGS} || die "econf failed"
}
src_compile() {
emake VERBOSE=1 KEEP_SYMBOLS=1 REQUIRES_RTTI=1 || die "emake failed"
}
src_install() {
emake KEEP_SYMBOLS=1 DESTDIR="${D}" install || die "install failed"
# Fix install_names on Darwin. The build system is too complicated
# to just fix this, so we correct it post-install
local lib= f= odylib=
if [[ ${CHOST} == *-darwin* ]] ; then
for lib in lib{EnhancedDisassembly,LLVM-${PV},BugpointPasses,LLVMHello,LTO,profile_rt}.dylib ; do
# libEnhancedDisassembly is Darwin10 only, so non-fatal
[[ -f ${ED}/usr/lib/${PN}/${lib} ]] || continue
ebegin "fixing install_name of $lib"
install_name_tool \
-id "${EPREFIX}"/usr/lib/${PN}/${lib} \
"${ED}"/usr/lib/${PN}/${lib}
eend $?
done
for f in "${ED}"/usr/bin/* "${ED}"/usr/lib/${PN}/libLTO.dylib ; do
odylib=$(scanmacho -BF'%n#f' "${f}" | tr ',' '\n' | grep libLLVM-${PV}.dylib)
ebegin "fixing install_name reference to ${odylib} of ${f##*/}"
install_name_tool \
-change "${odylib}" \
"${EPREFIX}"/usr/lib/${PN}/libLLVM-${PV}.dylib \
"${f}"
eend $?
done
fi
}
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