1################################################################################ 2# 3# clang 4# 5################################################################################ 6 7# LLVM, Clang and lld should be version bumped together 8CLANG_VERSION = 9.0.1 9CLANG_SITE = https://github.com/llvm/llvm-project/releases/download/llvmorg-$(CLANG_VERSION) 10CLANG_SOURCE = clang-$(CLANG_VERSION).src.tar.xz 11CLANG_LICENSE = Apache-2.0 with exceptions 12CLANG_LICENSE_FILES = LICENSE.TXT 13CLANG_CPE_ID_VENDOR = llvm 14CLANG_SUPPORTS_IN_SOURCE_BUILD = NO 15CLANG_INSTALL_STAGING = YES 16 17HOST_CLANG_DEPENDENCIES = host-llvm host-libxml2 18CLANG_DEPENDENCIES = llvm host-clang 19 20# LLVM >= 9.0 will soon require C++14 support, building llvm 8.x using a 21# toolchain using gcc < 5.1 gives an error but actually still works. Setting 22# this option makes it still build with gcc >= 4.8. 23# https://reviews.llvm.org/D57264 24HOST_CLANG_CONF_OPTS += -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON 25CLANG_CONF_OPTS += -DLLVM_TEMPORARILY_ALLOW_OLD_TOOLCHAIN=ON 26 27# This option is needed, otherwise multiple shared libs 28# (libclangAST.so, libclangBasic.so, libclangFrontend.so, etc.) will 29# be generated. As a final shared lib containing all these components 30# (libclang.so) is also generated, this resulted in the following 31# error when trying to use tools that use libclang: 32# $ CommandLine Error: Option 'track-memory' registered more than once! 33# $ LLVM ERROR: inconsistency in registered CommandLine options 34# By setting BUILD_SHARED_LIBS to OFF, we generate multiple static 35# libraries (the same way as host's clang build) and finally 36# libclang.so to be installed on the target. 37HOST_CLANG_CONF_OPTS += -DBUILD_SHARED_LIBS=OFF 38CLANG_CONF_OPTS += -DBUILD_SHARED_LIBS=OFF 39 40# Default is Debug build, which requires considerably more disk space 41# and build time. Release build is selected for host and target 42# because the linker can run out of memory in Debug mode. 43HOST_CLANG_CONF_OPTS += -DCMAKE_BUILD_TYPE=Release 44CLANG_CONF_OPTS += -DCMAKE_BUILD_TYPE=Release 45 46CLANG_CONF_OPTS += -DCMAKE_CROSSCOMPILING=1 47 48# We need to build tools because libclang is a tool 49HOST_CLANG_CONF_OPTS += -DCLANG_BUILD_TOOLS=ON 50CLANG_CONF_OPTS += -DCLANG_BUILD_TOOLS=ON 51 52HOST_CLANG_CONF_OPTS += \ 53 -DCLANG_BUILD_EXAMPLES=OFF \ 54 -DCLANG_INCLUDE_DOCS=OFF \ 55 -DCLANG_INCLUDE_TESTS=OFF 56 57CLANG_CONF_OPTS += \ 58 -DCLANG_BUILD_EXAMPLES=OFF \ 59 -DCLANG_INCLUDE_DOCS=OFF \ 60 -DCLANG_INCLUDE_TESTS=OFF 61 62HOST_CLANG_CONF_OPTS += -DLLVM_DIR=$(HOST_DIR)/lib/cmake/llvm \ 63 -DCLANG_DEFAULT_LINKER=$(TARGET_LD) 64CLANG_CONF_OPTS += -DLLVM_DIR=$(STAGING_DIR)/usr/lib/cmake/llvm \ 65 -DCLANG_TABLEGEN:FILEPATH=$(HOST_DIR)/bin/clang-tblgen \ 66 -DLLVM_TABLEGEN_EXE:FILEPATH=$(HOST_DIR)/bin/llvm-tblgen 67 68# Clang can't be used as compiler on the target since there are no 69# development files (headers) and other build tools. So remove clang 70# binaries and some other unnecessary files from target. 71CLANG_FILES_TO_REMOVE = \ 72 /usr/bin/clang* \ 73 /usr/bin/c-index-test \ 74 /usr/bin/git-clang-format \ 75 /usr/bin/scan-build \ 76 /usr/bin/scan-view \ 77 /usr/libexec/c++-analyzer \ 78 /usr/libexec/ccc-analyzer \ 79 /usr/share/clang \ 80 /usr/share/opt-viewer \ 81 /usr/share/scan-build \ 82 /usr/share/scan-view \ 83 /usr/share/man/man1/scan-build.1 \ 84 /usr/lib/clang 85 86define CLANG_CLEANUP_TARGET 87 rm -rf $(addprefix $(TARGET_DIR),$(CLANG_FILES_TO_REMOVE)) 88endef 89CLANG_POST_INSTALL_TARGET_HOOKS += CLANG_CLEANUP_TARGET 90 91# clang-tblgen is not installed by default, however it is necessary 92# for cross-compiling clang 93define HOST_CLANG_INSTALL_CLANG_TBLGEN 94 $(INSTALL) -D -m 0755 $(HOST_CLANG_BUILDDIR)/bin/clang-tblgen \ 95 $(HOST_DIR)/bin/clang-tblgen 96endef 97HOST_CLANG_POST_INSTALL_HOOKS = HOST_CLANG_INSTALL_CLANG_TBLGEN 98 99# This option must be enabled to link libclang dynamically against libLLVM.so 100HOST_CLANG_CONF_OPTS += -DLLVM_LINK_LLVM_DYLIB=ON 101CLANG_CONF_OPTS += -DLLVM_LINK_LLVM_DYLIB=ON 102 103# Prevent clang binaries from linking against LLVM static libs 104HOST_CLANG_CONF_OPTS += -DLLVM_DYLIB_COMPONENTS=all 105CLANG_CONF_OPTS += -DLLVM_DYLIB_COMPONENTS=all 106 107$(eval $(cmake-package)) 108$(eval $(host-cmake-package)) 109