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# By eroen <eroen-overlay@occam.eroen.eu>, 2013 - 2016
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
EAPI=5
inherit eutils flag-o-matic multilib cmake-utils subversion
DESCRIPTION="The LLVM Linker"
HOMEPAGE="http://lld.llvm.org/"
ESVN_REPO_URI="http://llvm.org/svn/llvm-project/lld/trunk"
SRC_URI=""
LICENSE="UoI-NCSA"
SLOT="0"
#KEYWORDS="~amd64"
IUSE=""
LIBDEPEND="
|| ( ( >=sys-devel/clang-3.1
sys-libs/libcxx )
>=sys-devel/gcc-4.7:* )
"
RDEPEND="${LIBDEPEND}"
DEPEND="${LIBDEPEND}"
HDEPEND="
>=dev-util/cmake-2.8
"
src_unpack() {
ESVN_PROJECT=llvm \
subversion_fetch \
"http://llvm.org/svn/llvm-project/llvm/trunk"
ESVN_PROJECT=lld \
S="${S}"/tools/lld \
subversion_fetch \
"http://llvm.org/svn/llvm-project/lld/trunk"
}
src_prepare() {
cd "${S}"/tools/lld
epatch_user
default
}
src_configure() {
append-cxxflags -std=c++11
append-ldflags -L/usr/lib64/llvm
# Shared libraries needs a release, so we can have corresponding libs
# installed.
local myLIBDIR="$(get_libdir)"
mycmakeargs=(
-DBUILD_SHARED_LIBS=OFF
-DLLVM_LIBDIR_SUFFIX=${myLIBDIR#lib}
-DLLVM_BUILD_RUNTIME=OFF
-DLLVM_INCLUDE_RUNTIME=OFF
-DLLVM_ENABLE_ASSERTIONS=ON
-DLLVM_ENABLE_BACKTRACES=ON
-DLLVM_LIT_ARGS=-v
)
#Debug use flag?
#-DLLVM_ENABLE_ASSERTIONS=OFF
#-DLLVM_ENABLE_BACKTRACES=OFF
#Figure out how targets are set in cmake
#-DLLVM_TARGETS_TO_BUILD=host:cpp
tc-export CC CXX
cmake-utils_src_configure
}
src_compile() {
cmake-utils_src_compile lld
}
src_test() {
# This builds (most?) of llvm too.
cd "${BUILD_DIR}"
emake check-lld
}
src_install() {
cd "${BUILD_DIR}"/tools/lld
emake DESTDIR="${D}" install
dosym /usr/bin/lld /usr/lib/${P}/bin/ld || die
}
pkg_postinst() {
elog "To use lld with your compiler of choice, add something like "
elog " -B/usr/lib/lld-9999/bin"
elog "to your LDFLAGS."
}
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