You've already forked UnrealEngineUWP
mirror of
https://github.com/izzy2lost/UnrealEngineUWP.git
synced 2026-03-26 18:15:20 -07:00
d5823b1b37
#jira UE-136811 #rb none #ROBOMERGE-AUTHOR: brandon.schaefer #ROBOMERGE-SOURCE: CL 18560804 in //UE5/Release-5.0/... via CL 18560805 #ROBOMERGE-BOT: STARSHIP (Release-Engine-Staging -> Release-Engine-Test) (v899-18417669) [CL 18560832 by brandon schaefer in ue5-release-engine-test branch]
118 lines
3.3 KiB
Bash
Executable File
118 lines
3.3 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Use after you build the toolchain ie. once RunMe.sh has completed.
|
|
# Make sure you setup LINUX_MULTIARCH_ROOT to the base of the new toolchain
|
|
#
|
|
# Grab libcxx and libcxxabi source and place them in build/ dir where llvm is synced
|
|
# make sure they are renamed to libcxx and libcxxabi folder wise so it looks like:
|
|
#
|
|
# build
|
|
# ...
|
|
# ├── libcxx
|
|
# ├── libcxxabi
|
|
# ├── llvm
|
|
# ...
|
|
#
|
|
# from there run this script by:
|
|
# ./BuildLibCxx.sh <Path/To/Engine>/Engine/Build/BatchFiles/Linux/Toolchain/build
|
|
|
|
set -eu
|
|
|
|
SCRIPT_DIR=$(cd "$(dirname "$BASH_SOURCE")" ; pwd)
|
|
|
|
LLVM_DIR=${1:---help}
|
|
|
|
echo $LLVM_DIR
|
|
|
|
if [[ ! -f "${LLVM_DIR}/llvm/CMakeLists.txt" ]]; then
|
|
echo "Usage: ${BASH_SOURCE} llvm-git-repo"
|
|
echo " llvm-git-repo is https://github.com/llvm/llvm-project.git"
|
|
exit 2
|
|
fi
|
|
|
|
# Get num of cores
|
|
export CORES=$(getconf _NPROCESSORS_ONLN)
|
|
echo "Using ${CORES} cores for building"
|
|
|
|
echo "LLVM_DIR: ${LLVM_DIR}"
|
|
|
|
BuildLibCxx()
|
|
{
|
|
export ARCH=$1
|
|
local BUILD_DIR=${SCRIPT_DIR}/Build.${ARCH}
|
|
export INSTALL_DIR=${SCRIPT_DIR}/INSTALL.${ARCH}
|
|
|
|
echo "Building ${ARCH}"
|
|
rm -rf ${BUILD_DIR}
|
|
mkdir -p ${BUILD_DIR}
|
|
|
|
pushd ${BUILD_DIR}
|
|
|
|
set -x
|
|
cmake \
|
|
-DCMAKE_TOOLCHAIN_FILE="/tmp/__cmake_toolchain.cmake" \
|
|
-DCMAKE_MAKE_PROGRAM=$(which make) \
|
|
-DPYTHON_EXECUTABLE=$(which python) \
|
|
-DCMAKE_INSTALL_PREFIX=${INSTALL_DIR} \
|
|
-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=TRUE \
|
|
-DCMAKE_BUILD_TYPE=Release \
|
|
-DLLVM_ENABLE_PROJECTS="libcxx;libcxxabi" \
|
|
-DLIBCXX_ENABLE_SHARED=OFF \
|
|
-DLIBCXXABI_ENABLE_SHARED=ON \
|
|
-DLIBCXX_ENABLE_STATIC_ABI_LIBRARY=ON \
|
|
-DLIBCXX_CXX_ABI_LIBRARY=c++abi \
|
|
-DLIBCXX_ENABLE_FILESYSTEM=ON \
|
|
${LLVM_DIR}/llvm
|
|
set +x
|
|
|
|
make -j ${CORES} cxxabi cxx
|
|
make install-cxx-headers
|
|
|
|
mkdir -p ${INSTALL_DIR}/lib/Linux/${ARCH}
|
|
cp lib/libc++.a ${INSTALL_DIR}/lib/Linux/${ARCH}
|
|
cp lib/libc++abi.a ${INSTALL_DIR}/lib/Linux/${ARCH}
|
|
|
|
popd
|
|
}
|
|
|
|
( cat <<_EOF_
|
|
## autogenerated by ${BASH_SOURCE} script
|
|
SET(LINUX_MULTIARCH_ROOT \$ENV{LINUX_MULTIARCH_ROOT})
|
|
SET(ARCHITECTURE_TRIPLE \$ENV{ARCH})
|
|
|
|
message (STATUS "LINUX_MULTIARCH_ROOT is '\${LINUX_MULTIARCH_ROOT}'")
|
|
message (STATUS "ARCHITECTURE_TRIPLE is '\${ARCHITECTURE_TRIPLE}'")
|
|
|
|
SET(CMAKE_CROSSCOMPILING TRUE)
|
|
SET(CMAKE_SYSTEM_NAME Linux)
|
|
SET(CMAKE_SYSTEM_VERSION 1)
|
|
|
|
# sysroot
|
|
SET(CMAKE_SYSROOT \${LINUX_MULTIARCH_ROOT}/\${ARCHITECTURE_TRIPLE})
|
|
|
|
SET(CMAKE_LIBRARY_ARCHITECTURE \${ARCHITECTURE_TRIPLE})
|
|
|
|
# specify the cross compiler
|
|
SET(CMAKE_C_COMPILER \${CMAKE_SYSROOT}/bin/clang)
|
|
SET(CMAKE_C_COMPILER_TARGET \${ARCHITECTURE_TRIPLE})
|
|
SET(CMAKE_C_FLAGS "-target \${ARCHITECTURE_TRIPLE}")
|
|
|
|
SET(CMAKE_CXX_COMPILER \${CMAKE_SYSROOT}/bin/clang++)
|
|
SET(CMAKE_CXX_COMPILER_TARGET \${ARCHITECTURE_TRIPLE})
|
|
SET(CMAKE_CXX_FLAGS "-target \${ARCHITECTURE_TRIPLE}")
|
|
|
|
SET(CMAKE_ASM_COMPILER \${CMAKE_SYSROOT}/bin/clang)
|
|
|
|
SET(CMAKE_FIND_ROOT_PATH \${LINUX_MULTIARCH_ROOT})
|
|
|
|
# hoping to force it to use ar
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ONLY)
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
|
|
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
|
|
|
|
_EOF_
|
|
) > /tmp/__cmake_toolchain.cmake
|
|
|
|
BuildLibCxx x86_64-unknown-linux-gnu
|
|
BuildLibCxx aarch64-unknown-linux-gnueabi
|