75 lines
2.0 KiB
Bash
Executable File
75 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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THIS_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
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BUILD_DIR=/tmp/occlum_gcc_toolchain
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INSTALL_DIR=/opt/occlum/toolchains/gcc
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# Exit if any command fails
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set -e
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# Clean previous build and installation if any
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rm -rf ${BUILD_DIR}
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rm -rf ${INSTALL_DIR}
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# Create the build directory
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mkdir -p ${BUILD_DIR}
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cd ${BUILD_DIR}
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# Download musl-cross-make project
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git clone https://github.com/occlum/musl-cross-make
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cd musl-cross-make
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git checkout 0.9.9.hotfix
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# Let musl-cross-make build for x86-64 Linux
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TARGET=x86_64-linux-musl
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# We will check out the branch ${MUSL_VER} from ${MUSL_REPO}
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MUSL_REPO=https://github.com/occlum/musl
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MUSL_VER=1.1.24
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# We will use this version of GCC
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GCC_VER=8.3.0
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# This patch replaces syscall instruction with libc's syscall wrapper
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cp ${THIS_DIR}/0014-libgomp-*.diff patches/gcc-${GCC_VER}/
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# Build musl-gcc toolchain for Occlum
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cat > config.mak <<EOF
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TARGET = ${TARGET}
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OUTPUT = ${INSTALL_DIR}
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COMMON_CONFIG += CFLAGS="-fPIC" CXXFLAGS="-fPIC" LDFLAGS="-pie"
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GCC_VER = ${GCC_VER}
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MUSL_VER = git-${MUSL_VER}
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MUSL_REPO = ${MUSL_REPO}
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EOF
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make -j$(nproc)
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make install
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# Remove all source code and build files
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rm -rf ${BUILD_DIR}
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# Generate the wrappers for executables
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cat > ${INSTALL_DIR}/bin/occlum-gcc <<EOF
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#!/bin/bash
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${INSTALL_DIR}/bin/${TARGET}-gcc -fPIC -pie -Wl,-rpath,${INSTALL_DIR}/${TARGET}/lib "\$@"
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EOF
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cat > ${INSTALL_DIR}/bin/occlum-g++ <<EOF
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#!/bin/bash
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${INSTALL_DIR}/bin/${TARGET}-g++ -fPIC -pie -Wl,-rpath,${INSTALL_DIR}/${TARGET}/lib "\$@"
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EOF
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cat > ${INSTALL_DIR}/bin/occlum-ld <<EOF
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#!/bin/bash
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${INSTALL_DIR}/bin/${TARGET}-ld -pie -rpath ${INSTALL_DIR}/${TARGET}/lib "\$@"
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EOF
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chmod +x ${INSTALL_DIR}/bin/occlum-gcc
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chmod +x ${INSTALL_DIR}/bin/occlum-g++
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chmod +x ${INSTALL_DIR}/bin/occlum-ld
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# Make symbolic links
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ln -sf ${INSTALL_DIR}/${TARGET}/lib/libc.so /lib/ld-musl-x86_64.so.1
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ln -sf ${INSTALL_DIR} /usr/local/occlum
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ln -sf ${INSTALL_DIR}/bin/x86_64-linux-musl-gcc-ar ${INSTALL_DIR}/bin/occlum-ar
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ln -sf ${INSTALL_DIR}/bin/x86_64-linux-musl-strip ${INSTALL_DIR}/bin/occlum-strip
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