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termux-packages/packages/libllvm/build.sh
Butta 3af25bc2a9 Introduce TERMUX_PKG_QUICK_REBUILD 
This new variable is extremely useful when iterating on creating a large package,
as otherwise you have to wipe the source and rebuild each time you make a mistake
with the patches or build.sh script.

Simply set TERMUX_PKG_QUICK_REBUILD=true in build.sh if a build fails and then the
TERMUX_PKG_SRCDIR and TERMUX_PKG_BUILDDIR will not be touched when you rebuild,
including that the patches will not be applied again. When you're done iterating,
diff for any new patches, save them, and remove this variable before rebuilding
from scratch, hopefully for the last time. ;)

An example is shown for the giant libllvm package, where other modifications are
also excluded if this variable is set.
2020-02-15 13:38:30 +05:30

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TERMUX_PKG_HOMEPAGE=https://clang.llvm.org/
TERMUX_PKG_DESCRIPTION="Modular compiler and toolchain technologies library"
TERMUX_PKG_LICENSE="NCSA"
TERMUX_PKG_VERSION=9.0.1
TERMUX_PKG_SHA256=(00a1ee1f389f81e9979f3a640a01c431b3021de0d42278f6508391a2f0b81c9a
5778512b2e065c204010f88777d44b95250671103e434f9dc7363ab2e3804253
86262bad3e2fd784ba8c5e2158d7aa36f12b85f2515e95bc81d65d75bb9b0c82
5c94060f846f965698574d9ce22975c0e9f04c9b14088c3af5f03870af75cace)
TERMUX_PKG_SRCURL=(https://github.com/llvm/llvm-project/releases/download/llvmorg-$TERMUX_PKG_VERSION/llvm-$TERMUX_PKG_VERSION.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-$TERMUX_PKG_VERSION/clang-$TERMUX_PKG_VERSION.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-$TERMUX_PKG_VERSION/lld-$TERMUX_PKG_VERSION.src.tar.xz
https://github.com/llvm/llvm-project/releases/download/llvmorg-$TERMUX_PKG_VERSION/openmp-$TERMUX_PKG_VERSION.src.tar.xz)
TERMUX_PKG_HOSTBUILD=true
TERMUX_PKG_RM_AFTER_INSTALL="
bin/clang-check
bin/clang-import-test
bin/clang-offload-bundler
bin/git-clang-format
bin/macho-dump
lib/libgomp.a
lib/libiomp5.a
"
TERMUX_PKG_DEPENDS="binutils, libc++, ncurses, ndk-sysroot, libffi, zlib"
# Replace gcc since gcc is deprecated by google on android and is not maintained upstream.
# Conflict with clang versions earlier than 3.9.1-3 since they bundled llvm.
TERMUX_PKG_CONFLICTS="gcc, clang (<< 3.9.1-3)"
TERMUX_PKG_BREAKS="libclang, libclang-dev, libllvm-dev"
TERMUX_PKG_REPLACES="gcc, libclang, libclang-dev, libllvm-dev"
# See http://llvm.org/docs/CMake.html:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
-DPYTHON_EXECUTABLE=$(which python3)
-DLLVM_ENABLE_PIC=ON
-DLLVM_ENABLE_LIBEDIT=OFF
-DLLVM_BUILD_TESTS=OFF
-DLLVM_INCLUDE_TESTS=OFF
-DCLANG_DEFAULT_CXX_STDLIB=libc++
-DCLANG_INCLUDE_TESTS=OFF
-DCLANG_TOOL_C_INDEX_TEST_BUILD=OFF
-DC_INCLUDE_DIRS=$TERMUX_PREFIX/include
-DLLVM_LINK_LLVM_DYLIB=ON
-DLLVM_TABLEGEN=$TERMUX_PKG_HOSTBUILD_DIR/bin/llvm-tblgen
-DCLANG_TABLEGEN=$TERMUX_PKG_HOSTBUILD_DIR/bin/clang-tblgen
-DLIBOMP_ENABLE_SHARED=FALSE
-DOPENMP_ENABLE_LIBOMPTARGET=OFF
-DLLVM_BINUTILS_INCDIR=$TERMUX_PREFIX/include
-DLLVM_ENABLE_SPHINX=ON
-DSPHINX_OUTPUT_MAN=ON
-DLLVM_TARGETS_TO_BUILD=all
-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=RISCV
-DPERL_EXECUTABLE=$(which perl)
-DLLVM_ENABLE_FFI=ON
-DLLVM_EXPERIMENTAL_TARGETS_TO_BUILD=AVR
"
TERMUX_PKG_FORCE_CMAKE=true
TERMUX_PKG_HAS_DEBUG=false
# Debug build succeeds but make install with:
# cp: cannot stat '../src/projects/openmp/runtime/exports/common.min.50.ompt.optional/include/omp.h': No such file or directory
# common.min.50.ompt.optional should be common.deb.50.ompt.optional when doing debug build
termux_step_post_extract_package() {
if [ "$TERMUX_PKG_QUICK_REBUILD" != "true" ]; then
mv clang-${TERMUX_PKG_VERSION}.src tools/clang
mv lld-${TERMUX_PKG_VERSION}.src tools/lld
mv openmp-${TERMUX_PKG_VERSION}.src projects/openmp
fi
}
termux_step_host_build() {
termux_setup_cmake
cmake -G "Unix Makefiles" $TERMUX_PKG_SRCDIR \
-DLLVM_BUILD_TESTS=OFF \
-DLLVM_INCLUDE_TESTS=OFF
make -j $TERMUX_MAKE_PROCESSES clang-tblgen llvm-tblgen
}
termux_step_pre_configure() {
if [ "$TERMUX_PKG_QUICK_REBUILD" != "true" ]; then
mkdir projects/openmp/runtime/src/android
cp $TERMUX_PKG_BUILDER_DIR/nl_types.h projects/openmp/runtime/src/android
cp $TERMUX_PKG_BUILDER_DIR/nltypes_stubs.cpp projects/openmp/runtime/src/android
fi
cd $TERMUX_PKG_BUILDDIR
export LLVM_DEFAULT_TARGET_TRIPLE=$TERMUX_HOST_PLATFORM
export LLVM_TARGET_ARCH
if [ $TERMUX_ARCH = "arm" ]; then
LLVM_TARGET_ARCH=ARM
elif [ $TERMUX_ARCH = "aarch64" ]; then
LLVM_TARGET_ARCH=AArch64
elif [ $TERMUX_ARCH = "i686" ]; then
LLVM_TARGET_ARCH=X86
elif [ $TERMUX_ARCH = "x86_64" ]; then
LLVM_TARGET_ARCH=X86
else
termux_error_exit "Invalid arch: $TERMUX_ARCH"
fi
# see CMakeLists.txt and tools/clang/CMakeLists.txt
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" -DLLVM_DEFAULT_TARGET_TRIPLE=$LLVM_DEFAULT_TARGET_TRIPLE"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" -DLLVM_TARGET_ARCH=$LLVM_TARGET_ARCH -DLLVM_TARGETS_TO_BUILD=all"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" -DLLVM_HOST_TRIPLE=$LLVM_DEFAULT_TARGET_TRIPLE"
}
termux_step_post_make_install() {
if [ $TERMUX_ARCH = "arm" ]; then
cp ../src/projects/openmp/runtime/exports/common.min/include/omp.h $TERMUX_PREFIX/include
else
cp ../src/projects/openmp/runtime/exports/common.min.ompt.optional/include/omp.h $TERMUX_PREFIX/include
fi
if [ "$TERMUX_CMAKE_BUILD" = Ninja ]; then
ninja docs-llvm-man
else
make docs-llvm-man
fi
cp docs/man/* $TERMUX_PREFIX/share/man/man1
cd $TERMUX_PREFIX/bin
for tool in clang clang++ cc c++ cpp gcc g++ ${TERMUX_HOST_PLATFORM}-{clang,clang++,gcc,g++,cpp}; do
ln -f -s clang-${TERMUX_PKG_VERSION:0:1} $tool
done
}
termux_step_post_massage() {
sed $TERMUX_PKG_BUILDER_DIR/llvm-config.in \
-e "s|@TERMUX_PKG_VERSION@|$TERMUX_PKG_VERSION|g" \
-e "s|@TERMUX_PREFIX@|$TERMUX_PREFIX|g" \
-e "s|@TERMUX_PKG_SRCDIR@|$TERMUX_PKG_SRCDIR|g" \
-e "s|@LLVM_TARGET_ARCH@|$LLVM_TARGET_ARCH|g" \
-e "s|@LLVM_DEFAULT_TARGET_TRIPLE@|$LLVM_DEFAULT_TARGET_TRIPLE|g" \
-e "s|@TERMUX_ARCH@|$TERMUX_ARCH|g" > $TERMUX_PREFIX/bin/llvm-config
chmod 755 $TERMUX_PREFIX/bin/llvm-config
cp $TERMUX_PKG_HOSTBUILD_DIR/bin/llvm-tblgen $TERMUX_PREFIX/bin
cp $TERMUX_PKG_HOSTBUILD_DIR/bin/clang-tblgen $TERMUX_PREFIX/bin
}
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