mirror of
https://github.com/tpoechtrager/osxcross.git
synced 2024-10-27 03:24:56 +03:00
142 lines
2.7 KiB
Bash
Executable File
142 lines
2.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Build and install Clang/LLVM, using `gcc`.
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#
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# You only need to run this if your distribution does not provide
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# clang - or if you want to build your own version from a recent
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# source tree.
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#
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pushd "${0%/*}" &>/dev/null
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DESC=clang
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USESYSTEMCOMPILER=1
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source tools/tools.sh
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mkdir -p $BUILD_DIR
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source $BASE_DIR/tools/trap_exit.sh
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MIRROR="https://releases.llvm.org"
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if [ -z "$CLANG_VERSION" ]; then
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CLANG_VERSION=9.0.0
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fi
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if [ -z "$INSTALLPREFIX" ]; then
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INSTALLPREFIX="/usr/local"
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fi
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require cmake
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function warn_if_installed()
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{
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set +e
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which $1 &>/dev/null && \
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{
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echo ""
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echo "It is highly recommended to uninstall previous $2 versions first:"
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echo "-> $(which $1 2>/dev/null)"
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echo ""
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}
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set -e
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}
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if [ $PLATFORM != "Darwin" -a $PLATFORM != "FreeBSD" ]; then
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warn_if_installed clang clang
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warn_if_installed llvm-config llvm
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fi
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echo "Building Clang/LLVM $CLANG_VERSION may take a long time."
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echo "Installation Prefix: $INSTALLPREFIX"
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if [ -z "$UNATTENDED" ]; then
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echo ""
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read -p "Press enter to start building."
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echo ""
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fi
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pushd $TARBALL_DIR &>/dev/null
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if [ -z "$PKGCOMPRESSOR" ]; then
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PKGCOMPRESSOR="tar.xz"
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[ $CLANG_VERSION == "3.4.2" ] && PKGCOMPRESSOR="tar.gz"
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fi
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LLVM_PKG="$MIRROR/${CLANG_VERSION}/"
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LLVM_PKG+="llvm-${CLANG_VERSION}.src.${PKGCOMPRESSOR}"
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CLANG_PKG="$MIRROR/${CLANG_VERSION}/"
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CLANG_PKG+="cfe-${CLANG_VERSION}.src.${PKGCOMPRESSOR}"
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download $LLVM_PKG
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download $CLANG_PKG
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popd &>/dev/null
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pushd $BUILD_DIR &>/dev/null
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echo "cleaning up ..."
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rm -rf llvm* 2>/dev/null
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extract "$TARBALL_DIR/$(basename $LLVM_PKG)"
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pushd llvm* &>/dev/null
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pushd tools &>/dev/null
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extract "$TARBALL_DIR/$(basename $CLANG_PKG)"
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echo ""
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[ -e clang* ] && mv clang* clang
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[ -e cfe* ] && mv cfe* clang
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popd &>/dev/null
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function build()
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{
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stage=$1
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mkdir -p $stage
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pushd $stage &>/dev/null
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cmake .. \
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-DCMAKE_INSTALL_PREFIX=$INSTALLPREFIX \
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-DCMAKE_BUILD_TYPE=Release \
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-DLLVM_ENABLE_ASSERTIONS=OFF \
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-DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=1
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$MAKE $2 -j $JOBS VERBOSE=1
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popd &>/dev/null
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}
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if [ -n "$DISABLE_BOOTSTRAP" ]; then
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build build
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else
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build build_stage1 clang
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export CC=$PWD/build_stage1/bin/clang
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export CXX=$PWD/build_stage1/bin/clang++
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if [ -z "$PORTABLE" ]; then
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export CFLAGS="-march=native"
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export CXXFLAGS="-march=native"
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fi
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build build_stage2
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if [ -n "$ENABLE_FULL_BOOTSTRAP" ]; then
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CC=$PWD/build_stage2/bin/clang \
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CXX=$PWD/build_stage2/bin/clang++ \
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build build_stage3
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fi
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fi
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echo ""
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echo "Done!"
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echo ""
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echo -n "cd into '$PWD/$stage' and type 'make install' to install "
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echo "clang/llvm to '$INSTALLPREFIX'"
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echo ""
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popd &>/dev/null # llvm
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popd &>/dev/null
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