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d401aee1eb
* Use CXX_FOR_CUDA to determine the compiler to pass to nvcc * Add support for setting CMAKE_CUDA_ARCHITECTURES based on the CUDA_ARCHITECTURES variable Signed-off-by: Matt Madison <matt@madison.systems>
106 lines
4.9 KiB
Plaintext
106 lines
4.9 KiB
Plaintext
inherit cuda-gcc
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CUDA_ARCHITECTURES ??= ""
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CUDA_NVCC_COMPAT_FLAGS ??= ""
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CUDA_NVCC_PATH_FLAGS ??= "--include-path ${STAGING_DIR_HOST}/usr/local/cuda-${CUDA_VERSION}/include --library-path ${STAGING_DIR_HOST}/usr/local/cuda-${CUDA_VERSION}/${baselib}"
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CUDA_NVCC_EXTRA_FLAGS ??= ""
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CUDA_NVCC_FLAGS ?= "${CUDA_NVCC_ARCH_FLAGS} ${CUDA_NVCC_COMPAT_FLAGS} ${CUDA_NVCC_PATH_FLAGS} ${CUDA_NVCC_EXTRA_FLAGS}"
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CUDA_CXXFLAGS = "-I${STAGING_DIR_NATIVE}/usr/local/cuda-${CUDA_VERSION}/include -I=/usr/local/cuda-${CUDA_VERSION}/include"
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CUDA_LDFLAGS = "\
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-L=/usr/local/cuda-${CUDA_VERSION}/${baselib} -L=/usr/local/cuda-${CUDA_VERSION}/${baselib}/stubs \
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-Wl,-rpath-link,${STAGING_DIR_HOST}/usr/local/cuda-${CUDA_VERSION}/${baselib} \
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-Wl,-rpath,/usr/local/cuda-${CUDA_VERSION}/${baselib} \
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"
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LDFLAGS:prepend:cuda = "${TOOLCHAIN_OPTIONS} "
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LDFLAGS:append:cuda = " ${CUDA_LDFLAGS}"
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def cuda_extract_compiler(compiler, d, prefix='-Xcompiler '):
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args = d.getVar(compiler).split()
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if args[0] == "ccache":
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return args[1], ' '.join([prefix + arg for arg in args[2:]])
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return args[0], ' '.join([prefix + arg for arg in args[1:]])
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export CUDAHOSTCXX = "${@cuda_extract_compiler('CXX_FOR_CUDA', d)[0]}"
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export CUDAFLAGS = "${CUDA_NVCC_FLAGS} ${@cuda_extract_compiler('CXX_FOR_CUDA', d)[1]}"
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OECMAKE_CUDA_COMPILER_LAUNCHER ?= "${CCACHE}"
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OECMAKE_CUDA_COMPILER ?= "nvcc"
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CUDA_CCACHE_COMPILERCHECK ?= "cuda-compiler-check %compiler%"
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def cmake_cuda_archs(d):
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archs = d.getVar('CUDA_ARCHITECTURES')
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return archs if archs else "OFF"
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OECMAKE_CUDA_ARCHITECTURES ?= "${@cmake_cuda_archs(d)}"
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# meson uses 'CUFLAGS' for flags to pass to nvcc
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# and requires all nvcc, compiler, and linker flags to be
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# bundled into that one environment variable.
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#
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# Linker flags are passed via nvcc through directly to ld rather
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# than the gcc/g++ driver, so we have to scan through LDFLAGS
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# looking for linker options and strip them of the -Wl, prefix.
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def cuda_meson_ldflags(d):
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linkargs = []
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args = (d.getVar('LDFLAGS') or '').split()
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for arg in args:
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if arg.startswith('-Wl,'):
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linkargs += [sub for sub in arg[4:].split(',')]
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elif arg.startswith('--sysroot='):
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linkargs.append(arg)
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return '-Xlinker ' + ','.join(linkargs)
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CUFLAGS = "-ccbin ${@cuda_extract_compiler('CXX_FOR_CUDA', d)[0]} ${CUDAFLAGS} ${@cuda_extract_compiler('CXX_FOR_CUDA', d)[1]} ${@cuda_meson_ldflags(d)}"
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# The following are for the old-style FindCUDA.cmake module (pre-3.8)
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CUDA_EXTRA_OECMAKE = '\
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-DCUDA_TOOLKIT_TARGET_DIR=${STAGING_DIR_HOST}/usr/local/cuda-${CUDA_VERSION} \
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-DCUDA_TOOLKIT_ROOT_DIR=${STAGING_DIR_NATIVE}/usr/local/cuda-${CUDA_VERSION} \
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-DCUDA_NVCC_FLAGS="${CUDA_NVCC_FLAGS}" \
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'
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EXTRA_OECMAKE:append:cuda = " ${CUDA_EXTRA_OECMAKE}"
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export CUDA_TOOLKIT_ROOT = "${STAGING_DIR_NATIVE}/usr/local/cuda-${CUDA_VERSION}"
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export CUDA_NVCC_EXECUTABLE = "${CUDA_TOOLKIT_ROOT}/bin/nvcc"
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export CUDACXX = "${CCACHE}${CUDA_TOOLKIT_ROOT}/bin/nvcc"
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export CUDA_PATH = "${STAGING_DIR_HOST}/usr/local/cuda-${CUDA_VERSION}"
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CUDA_NATIVEDEPS = "cuda-compiler-native cuda-cudart-native"
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CUDA_NATIVEDEPS:class-native = ""
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CUDA_DEPENDS = "cuda-libraries ${CUDA_NATIVEDEPS}"
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DEPENDS:append:cuda = " ${CUDA_DEPENDS} ${@'tegra-cmake-overrides' if bb.data.inherits_class('cmake', d) else ''}"
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PATH:prepend:cuda = "${STAGING_DIR_NATIVE}/usr/local/cuda-${CUDA_VERSION}/bin:"
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# The following are for the new-style (CMake 3.8+) CUDA language
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# support and to hook in our override of FindCUDA.cmake.
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cmake_do_generate_toolchain_file:append:cuda() {
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cat >> ${WORKDIR}/toolchain.cmake <<EOF
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set(CMAKE_CUDA_TOOLKIT_ROOT_DIR "${STAGING_DIR_NATIVE}/usr/local/cuda-${CUDA_VERSION}" CACHE PATH "" FORCE)
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set(CMAKE_CUDA_TOOLKIT_TARGET_DIR "${STAGING_DIR_HOST}/usr/local/cuda-${CUDA_VERSION}" CACHE PATH "" FORCE)
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set(CMAKE_CUDA_TOOLKIT_INCLUDE_DIRECTORIES "\${CMAKE_CUDA_TOOLKIT_ROOT_DIR}/include" "\${CMAKE_CUDA_TOOLKIT_TARGET_DIR}/include" CACHE PATH "" FORCE)
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set(CMAKE_CUDA_COMPILER ${OECMAKE_CUDA_COMPILER})
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set(CMAKE_CUDA_COMPILER_LAUNCHER ${OECMAKE_CUDA_COMPILER_LAUNCHER})
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set(CMAKE_CUDA_ARCHITECTURES ${OECMAKE_CUDA_ARCHITECTURES})
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EOF
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}
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meson_cuda_cross_config() {
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cat >${WORKDIR}/meson-cuda.cross <<EOF
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[binaries]
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cuda = 'nvcc'
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EOF
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}
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MESON_CROSS_FILE:append:cuda:class-target = " --cross-file ${WORKDIR}/meson-cuda.cross"
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PACKAGE_ARCH:cuda = "${SOC_FAMILY_PKGARCH}"
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RDEPENDS:${PN}:append:tegra = " tegra-libraries-cuda"
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python() {
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if bb.data.inherits_class('meson', d) and 'cuda' in d.getVar('OVERRIDES').split(':') and d.getVar('CLASSOVERRIDE') == 'class-target':
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d.appendVarFlag('do_write_config', 'postfuncs', ' meson_cuda_cross_config')
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d.setVarFlag('CUFLAGS', 'export', '1')
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if bb.data.inherits_class('ccache', d):
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d.appendVar('DEPENDS', ' cuda-compiler-check-native')
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if (d.getVar('CCACHE_COMPILERCHECK') or '') != '':
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d.prependVar('CCACHE_COMPILERCHECK', '${CUDA_CCACHE_COMPILERCHECK} ')
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}
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