132 lines
4.7 KiB
Bash
132 lines
4.7 KiB
Bash
#!/bin/bash
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# Build instructions:
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#
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# 1. Make sure LINUX_MULTIARCH_ROOT is set. Ie:
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# export LINUX_MULTIARCH_ROOT=${UE_SDKS_ROOT}/HostLinux/Linux_x64/v17_clang-10.0.1-centos7/
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# or
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# export LINUX_MULTIARCH_ROOT=/epic/v16_clang-9.0.1-centos7
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#
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# 2. Run this script
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# ./UE4_Build_ShaderConductor_Linux.sh
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#
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# 3. Binaries should be in Build-RelWithDebInfo.x86_64-unknown-linux-gnu/Lib/ directory
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set -eu
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SCRIPT_DIR=$(cd "$(dirname "$BASH_SOURCE")" ; pwd)
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THIRD_PARTY=$(cd "${SCRIPT_DIR}/.." ; pwd)
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# Get num of cores
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export CORES=$(getconf _NPROCESSORS_ONLN)
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echo "Using ${CORES} cores for building"
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BuildShaderConductor()
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{
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export ARCH=$1
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export FLAVOR=$2
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local BUILD_DIR=${SCRIPT_DIR}/Build-${FLAVOR}.${ARCH}
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echo "Building ${ARCH}"
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rm -rf ${BUILD_DIR}
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mkdir -p ${BUILD_DIR}
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pushd ${BUILD_DIR}
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# In CrossCompile.cmake, it's checking for the existence of
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# ${LLVM_${target_name}_BUILD} ; which is 'NATIVE' in this case
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# And if it doesn't exist, it launches a couple cmake instances
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# to configure the targets and cross toolchain flags, etc which
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# overwrites our cross toolchain information. We create the
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# NATIVE dir here and it'll skip all that stuff.
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mkdir NATIVE
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set -x
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cmake -G Ninja \
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-DCMAKE_TOOLCHAIN_FILE="/tmp/__cmake_toolchain.cmake" \
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-DCMAKE_MAKE_PROGRAM=$(which ninja) \
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-DCMAKE_BUILD_TYPE=${FLAVOR} \
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-DSC_ARCH_NAME=x64 \
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-DPYTHON_EXECUTABLE=$(which python3) \
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-DPython3_EXECUTABLE=$(which python3) \
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-DSPIRV_CROSS_ENABLE_TESTS=OFF \
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-DSC_EXPLICIT_DLLSHUTDOWN=ON \
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-DDXC_EXPLICIT_DLLSHUTDOWN=ON \
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-DCROSS_TOOLCHAIN_FLAGS_NATIVE="-DCMAKE_TOOLCHAIN_FILE=\"/tmp/__cmake_toolchain.cmake\";-DCMAKE_MAKE_PROGRAM=$(which ninja);-DCMAKE_BUILD_TYPE=${FLAVOR};-DSC_ARCH_NAME=x64;-DPYTHON_EXECUTABLE=$(which python3);-DPython3_EXECUTABLE=$(which python3);-DSPIRV_CROSS_ENABLE_TESTS=OFF;-DSC_EXPLICIT_DLLSHUTDOWN=ON;-DDXC_EXPLICIT_DLLSHUTDOWN=ON" \
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${SCRIPT_DIR}/ShaderConductor
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set +x
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echo
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#VERBOSE=1 make -j ${CORES} --no-print-directory
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ninja llvm-tblgen clang-tblgen
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mkdir -p ./NATIVE/bin
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cp ./External/DirectXShaderCompiler/bin/* ./NATIVE/bin
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ninja
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echo
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# Copy output into Engine/Binaries folder
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local DST_DIR="../../../../Binaries/ThirdParty/ShaderConductor/Linux/${ARCH}"
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cp -vf "./Lib/libdxcompiler.so" "${DST_DIR}/libdxcompiler.so"
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cp -vf "./Lib/libShaderConductor.so" "${DST_DIR}/libShaderConductor.so"
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cp -vf "./Bin/ShaderConductorCmd" "${DST_DIR}/ShaderConductorCmd"
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popd
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}
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( cat <<_EOF_
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## autogenerated by ${BASH_SOURCE} script
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SET(LINUX_MULTIARCH_ROOT \$ENV{LINUX_MULTIARCH_ROOT})
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SET(ARCHITECTURE_TRIPLE \$ENV{ARCH})
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message (STATUS "LINUX_MULTIARCH_ROOT is '\${LINUX_MULTIARCH_ROOT}'")
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message (STATUS "ARCHITECTURE_TRIPLE is '\${ARCHITECTURE_TRIPLE}'")
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SET(CMAKE_CROSSCOMPILING TRUE)
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SET(CMAKE_SYSTEM_NAME Linux)
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SET(CMAKE_SYSTEM_VERSION 1)
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# sysroot
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SET(CMAKE_SYSROOT \${LINUX_MULTIARCH_ROOT}/\${ARCHITECTURE_TRIPLE})
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SET(CMAKE_LIBRARY_ARCHITECTURE \${ARCHITECTURE_TRIPLE})
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# specify the cross compiler
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SET(CMAKE_C_COMPILER \${CMAKE_SYSROOT}/bin/clang)
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SET(CMAKE_C_COMPILER_TARGET \${ARCHITECTURE_TRIPLE})
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SET(CMAKE_C_FLAGS "-fms-extensions -target \${ARCHITECTURE_TRIPLE}")
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set(TOOLCHAIN_LIB64_PATH "\${LINUX_MULTIARCH_ROOT}/\${ARCHITECTURE_TRIPLE}/lib64")
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include_directories("\${LINUX_MULTIARCH_ROOT}/\$ENV{ARCH}/include")
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include_directories("\${LINUX_MULTIARCH_ROOT}/\$ENV{ARCH}/include/c++/v1")
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set(CMAKE_LINKER_FLAGS "-static-libstdc++ -fuse-ld=lld \${TOOLCHAIN_LIB64_PATH}/libc++.a \${TOOLCHAIN_LIB64_PATH}/libc++abi.a -lpthread")
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set(CMAKE_EXE_LINKER_FLAGS "\${CMAKE_LINKER_FLAGS}")
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set(CMAKE_MODULE_LINKER_FLAGS "\${CMAKE_LINKER_FLAGS}")
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set(CMAKE_SHARED_LINKER_FLAGS "\${CMAKE_LINKER_FLAGS}")
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#set(CMAKE_STATIC_LINKER_FLAGS "\${CMAKE_LINKER_FLAGS}")
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SET(CMAKE_CXX_COMPILER \${CMAKE_SYSROOT}/bin/clang++)
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SET(CMAKE_CXX_COMPILER_TARGET \${ARCHITECTURE_TRIPLE})
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SET(CMAKE_CXX_FLAGS "-std=c++1z -fms-extensions")
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# https://stackoverflow.com/questions/25525047/cmake-generator-expression-differentiate-c-c-code
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add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-nostdinc++>)
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SET(CMAKE_ASM_COMPILER \${CMAKE_SYSROOT}/bin/clang)
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SET(CMAKE_FIND_ROOT_PATH \${LINUX_MULTIARCH_ROOT})
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# hoping to force it to use ar
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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_EOF_
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) > /tmp/__cmake_toolchain.cmake
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if [ "$#" -eq 1 ] && [ "$1" == "-debug" ]; then
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BuildShaderConductor x86_64-unknown-linux-gnu Debug
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else
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BuildShaderConductor x86_64-unknown-linux-gnu RelWithDebInfo
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fi
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