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# LLVM does not provide ABI stability between different versions. For this
# reason OE makes it possible to build and install different llvm versions
# at the same time.
#
# This is true for the normal recipes as well as the native ones.
#
# All regular installation directories are prefixed with 'llvm${LLVM_RELEASE}'
# e.g. "${STAGING_BINDIR}/llvm2.5" or "${STAGING_INCDIR}/llvm2.5"
#
# For your program or library that makes use of llvm you do should not need to
# modify anything as long as it uses the results of various llvm-config
# invocations. If you need customizations something is wrong and it needs to be
# fixed (report bug).
#
# However the *recipe* for your program/library *must* declare
# export WANT_LLVM_RELEASE = "<valid version number>
# The version number is picked up by a generic wrapper script which just calls
# the variant of the specified version.
DESCRIPTION = "The Low Level Virtual Machine"
HOMEPAGE = "http://llvm.org"
DEPENDS = "llvm-common llvm${LLVM_RELEASE}-native"
# 3-clause BSD-like
LICENSE = "University of Illinois/NCSA Open Source License"
SRC_URI = "http://llvm.org/releases/${PV}/llvm-${PV}.tar.gz"
S = "${WORKDIR}/llvm-${PV}"
inherit cmake
# Defines the LLVM supported arches. By now we always build either for ${BUILD}
# (native) or ${TARGET}. In the future it may make sense to enable all backends
# for the non-native build. The decision which backends are used is made by
# the 3rd party program or library that uses llvm anyway.
LLVM_ARCH = "${@get_llvm_arch(d)}"
# This is used for generating the install directory for the llvm libraries,
# binaries and headers. It makes side by side installation of those possible.
LLVM_RELEASE = "${PV}"
# llvm *must* be built out of tree
OECMAKE_SOURCEPATH = ".."
OECMAKE_BUILDPATH = "build"
EXTRA_OEMAKE = "-C build"
EXTRA_OECMAKE = "\
-DLLVM_TABLEGEN=${STAGING_BINDIR_NATIVE}/llvm${LLVM_RELEASE}/tblgen \
-DLLVM_TARGETS_TO_BUILD=${LLVM_ARCH} \
-DCMAKE_LINKER:FILEPATH=${LD} \
-DCMAKE_AR:FILEPATH=${AR} \
-DCMAKE_OBJCOPY:FILEPATH=${OBJCOPY} \
-DCMAKE_OBJDUMP:FILEPATH=${OBJDUMP} \
-DCMAKE_RANLIB:FILEPATH=${RANLIB} \
-DCMAKE_STRIP:FILEPATH=${STRIP} \
-DLLVM_ENABLE_PIC:BOOL=ON \
"
llvm_stage() {
# Install into a private directory to be able to reorganize the files.
oe_runmake DESTDIR=${WORKDIR}/llvm-install install
# Create our custom target directories
install -d ${STAGING_BINDIR}/llvm${LLVM_RELEASE}
install -d ${STAGING_INCDIR}/llvm${LLVM_RELEASE}
install -d ${STAGING_LIBDIR}/llvm${LLVM_RELEASE}
# Move headers into their own directory
cp -r ${WORKDIR}/llvm-install/${prefix}/include/llvm \
${STAGING_INCDIR}/llvm${LLVM_RELEASE}/
cp -r ${WORKDIR}/llvm-install/${prefix}/include/llvm-c \
${STAGING_INCDIR}/llvm${LLVM_RELEASE}/
# llvm somehow forgets these
# find include/llvm -name "*.h" -maxdepth 1 -exec \
# install {} ${STAGING_INCDIR}/llvm${LLVM_RELEASE}/llvm \;
find ${WORKDIR}/llvm-install/${prefix}/lib -name "*" -maxdepth 1 -exec \
install {} ${STAGING_LIBDIR}/llvm${LLVM_RELEASE} \;
# I dont know another way out. Binaries are installed into a special subdir
find ${WORKDIR}/llvm-install/${prefix}/bin -name "*" -maxdepth 1 -exec \
install {} ${STAGING_BINDIR}/llvm${LLVM_RELEASE} \;
# LLVM does not install this by default.
install build/bin/tblgen ${STAGING_BINDIR}/llvm${LLVM_RELEASE}
# Fix the paths in the config script to make it find the binaries and
# library files. Doing so allows 3rd party configure scripts working
# unmodified.
sed -e's!my.*ABS_RUN_DIR =.*!my $ABS_RUN_DIR = "${STAGING_DIR_TARGET}";!' \
-e's!my.*INCLUDEDIR =.*!my $INCLUDEDIR = "${STAGING_INCDIR}/llvm${LLVM_RELEASE}";!' \
-e's!my.*LIBDIR.*!my $LIBDIR = "${STAGING_LIBDIR}/llvm${LLVM_RELEASE}";!' \
-e's!my.*BINDIR.*!my $BINDIR = "${STAGING_BINDIR}/llvm${LLVM_RELEASE}";!' \
build/bin/llvm-config > build/bin/llvm-config${LLVM_RELEASE}
}
do_stage() {
llvm_stage
install -d ${STAGING_BINDIR_CROSS}
install -m 0755 build/bin/llvm-config${LLVM_RELEASE} ${STAGING_BINDIR_CROSS}
}
# Retrieve the target in a way that is compatible to the arch
# value in llvm (>= 2.5)
def get_llvm_arch(d):
import bb;
arch = bb.data.getVar('TARGET_ARCH', d, 1)
if arch == "x86_64" or arch == "i486" or arch == "i586" or arch == "i686":
arch = "X86"
elif arch == "arm":
arch = "ARM"
elif arch == "mipsel":
arch = "Mips"
elif arch == "powerpc":
arch = "PowerPC"
else:
oefatal("Your target architecture is not supported by this recipe");
return arch
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