diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 167 |
1 files changed, 109 insertions, 58 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 52b881939499..c2016a45ca6b 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -1,5 +1,9 @@ cmake_minimum_required(VERSION 3.4.3) +if(POLICY CMP0075) + cmake_policy(SET CMP0075 NEW) +endif() + # If we are not building as a part of LLVM, build Clang as an # standalone project, using LLVM as an external library: if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR ) @@ -7,9 +11,14 @@ if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR ) # Rely on llvm-config. set(CONFIG_OUTPUT) - find_program(LLVM_CONFIG "llvm-config") if(LLVM_CONFIG) + set (LLVM_CONFIG_FOUND 1) message(STATUS "Found LLVM_CONFIG as ${LLVM_CONFIG}") + message(DEPRECATION "Using llvm-config to detect the LLVM installation is \ + deprecated. The installed cmake files should be used \ + instead. CMake should be able to detect your LLVM install \ + automatically, but you can also use LLVM_DIR to specify \ + the path containing LLVMConfig.cmake.") set(CONFIG_COMMAND ${LLVM_CONFIG} "--assertion-mode" "--bindir" @@ -32,17 +41,20 @@ if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR ) message(STATUS "${CONFIG_COMMAND_STR}") message(FATAL_ERROR "llvm-config failed with status ${HAD_ERROR}") endif() - else() - message(FATAL_ERROR "llvm-config not found -- ${LLVM_CONFIG}") + + list(GET CONFIG_OUTPUT 0 ENABLE_ASSERTIONS) + list(GET CONFIG_OUTPUT 1 TOOLS_BINARY_DIR) + list(GET CONFIG_OUTPUT 2 LIBRARY_DIR) + list(GET CONFIG_OUTPUT 3 INCLUDE_DIR) + list(GET CONFIG_OUTPUT 4 LLVM_OBJ_ROOT) + list(GET CONFIG_OUTPUT 5 MAIN_SRC_DIR) + list(GET CONFIG_OUTPUT 6 LLVM_CONFIG_CMAKE_PATH) + + # Normalize LLVM_CMAKE_PATH. --cmakedir might contain backslashes. + # CMake assumes slashes as PATH. + file(TO_CMAKE_PATH ${LLVM_CONFIG_CMAKE_PATH} LLVM_CMAKE_PATH) endif() - list(GET CONFIG_OUTPUT 0 ENABLE_ASSERTIONS) - list(GET CONFIG_OUTPUT 1 TOOLS_BINARY_DIR) - list(GET CONFIG_OUTPUT 2 LIBRARY_DIR) - list(GET CONFIG_OUTPUT 3 INCLUDE_DIR) - list(GET CONFIG_OUTPUT 4 LLVM_OBJ_ROOT) - list(GET CONFIG_OUTPUT 5 MAIN_SRC_DIR) - list(GET CONFIG_OUTPUT 6 LLVM_CONFIG_CMAKE_PATH) if(NOT MSVC_IDE) set(LLVM_ENABLE_ASSERTIONS ${ENABLE_ASSERTIONS} @@ -51,27 +63,29 @@ if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR ) mark_as_advanced(LLVM_ENABLE_ASSERTIONS) endif() + find_package(LLVM REQUIRED HINTS "${LLVM_CMAKE_PATH}") + list(APPEND CMAKE_MODULE_PATH ${LLVM_DIR}) + + # We can't check LLVM_CONFIG here, because find_package(LLVM ...) also sets + # LLVM_CONFIG. + if (NOT LLVM_CONFIG_FOUND) + # Pull values from LLVMConfig.cmake. We can drop this once the llvm-config + # path is removed. + set(TOOLS_BINARY_DIR ${LLVM_TOOLS_BINARY_DIR}) + set(LIBRARY_DIR ${LLVM_LIBRARY_DIR}) + set(INCLUDE_DIR ${LLVM_INCLUDE_DIR}) + set(LLVM_OBJ_DIR ${LLVM_BINARY_DIR}) + endif() + set(LLVM_TOOLS_BINARY_DIR ${TOOLS_BINARY_DIR} CACHE PATH "Path to llvm/bin") set(LLVM_LIBRARY_DIR ${LIBRARY_DIR} CACHE PATH "Path to llvm/lib") set(LLVM_MAIN_INCLUDE_DIR ${INCLUDE_DIR} CACHE PATH "Path to llvm/include") set(LLVM_BINARY_DIR ${LLVM_OBJ_ROOT} CACHE PATH "Path to LLVM build tree") set(LLVM_MAIN_SRC_DIR ${MAIN_SRC_DIR} CACHE PATH "Path to LLVM source tree") - # Normalize LLVM_CMAKE_PATH. --cmakedir might contain backslashes. - # CMake assumes slashes as PATH. - file(TO_CMAKE_PATH ${LLVM_CONFIG_CMAKE_PATH} LLVM_CMAKE_PATH) - find_program(LLVM_TABLEGEN_EXE "llvm-tblgen" ${LLVM_TOOLS_BINARY_DIR} NO_DEFAULT_PATH) - set(LLVMCONFIG_FILE "${LLVM_CMAKE_PATH}/LLVMConfig.cmake") - if(EXISTS ${LLVMCONFIG_FILE}) - list(APPEND CMAKE_MODULE_PATH "${LLVM_CMAKE_PATH}") - include(${LLVMCONFIG_FILE}) - else() - message(FATAL_ERROR "Not found: ${LLVMCONFIG_FILE}") - endif() - # They are used as destination of target generators. set(LLVM_RUNTIME_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/bin) set(LLVM_LIBRARY_OUTPUT_INTDIR ${CMAKE_BINARY_DIR}/${CMAKE_CFG_INTDIR}/lib${LLVM_LIBDIR_SUFFIX}) @@ -89,6 +103,7 @@ if( CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR ) option(LLVM_FORCE_USE_OLD_HOST_TOOLCHAIN "Set to ON to force using an old, unsupported host toolchain." OFF) option(CLANG_ENABLE_BOOTSTRAP "Generate the clang bootstrap target" OFF) + option(LLVM_ENABLE_LIBXML2 "Use libxml2 if available." ON) include(AddLLVM) include(TableGen) @@ -184,13 +199,15 @@ endif() # we can include cmake files from this directory. list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules") -# Don't look for libxml if we're using MSan, since uninstrumented third party -# code may call MSan interceptors like strlen, leading to false positives. -if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") - set (LIBXML2_FOUND 0) - find_package(LibXml2 2.5.3 QUIET) - if (LIBXML2_FOUND) - set(CLANG_HAVE_LIBXML 1) +if(LLVM_ENABLE_LIBXML2) + # Don't look for libxml if we're using MSan, since uninstrumented third party + # code may call MSan interceptors like strlen, leading to false positives. + if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") + set (LIBXML2_FOUND 0) + find_package(LibXml2 2.5.3 QUIET) + if (LIBXML2_FOUND) + set(CLANG_HAVE_LIBXML 1) + endif() endif() endif() @@ -279,6 +296,9 @@ endif() set(CLANG_VENDOR_UTI "org.llvm.clang" CACHE STRING "Vendor-specific uti.") +set(CLANG_PYTHON_BINDINGS_VERSIONS "" CACHE STRING + "Python versions to install libclang python bindings for") + # The libdir suffix must exactly match whatever LLVM's configuration used. set(CLANG_LIBDIR_SUFFIX "${LLVM_LIBDIR_SUFFIX}") @@ -286,25 +306,13 @@ set(CLANG_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}) set(CLANG_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}) if( CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE ) - message(FATAL_ERROR "In-source builds are not allowed. CMake would overwrite " -"the makefiles distributed with LLVM. Please create a directory and run cmake " + message(FATAL_ERROR "In-source builds are not allowed. " +"Please create a directory and run cmake " "from there, passing the path to this source directory as the last argument. " "This process created the file `CMakeCache.txt' and the directory " "`CMakeFiles'. Please delete them.") endif() -if( NOT CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR ) - file(GLOB_RECURSE - tablegenned_files_on_include_dir - "${CLANG_SOURCE_DIR}/include/clang/*.inc") - if( tablegenned_files_on_include_dir ) - message(FATAL_ERROR "Apparently there is a previous in-source build, " -"probably as the result of running `configure' and `make' on " -"${CLANG_SOURCE_DIR}. This may cause problems. The suspicious files are:\n" -"${tablegenned_files_on_include_dir}\nPlease clean the source directory.") - endif() -endif() - # If CLANG_VERSION_* is specified, use it, if not use LLVM_VERSION_*. if(NOT DEFINED CLANG_VERSION_MAJOR) set(CLANG_VERSION_MAJOR ${LLVM_VERSION_MAJOR}) @@ -403,22 +411,35 @@ option(CLANG_BUILD_TOOLS option(CLANG_ENABLE_ARCMT "Build ARCMT." ON) option(CLANG_ENABLE_STATIC_ANALYZER "Build static analyzer." ON) -option(CLANG_ANALYZER_BUILD_Z3 - "Build the static analyzer with the Z3 constraint manager." OFF) +set(CLANG_ANALYZER_Z3_INSTALL_DIR "" CACHE STRING "Install directory of the Z3 solver.") -option(CLANG_ENABLE_PROTO_FUZZER "Build Clang protobuf fuzzer." OFF) +find_package(Z3 4.7.1) -if(NOT CLANG_ENABLE_STATIC_ANALYZER AND (CLANG_ENABLE_ARCMT OR CLANG_ANALYZER_BUILD_Z3)) - message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT or Z3") +if (CLANG_ANALYZER_Z3_INSTALL_DIR) + if (NOT Z3_FOUND) + message(FATAL_ERROR "Z3 4.7.1 has not been found in CLANG_ANALYZER_Z3_INSTALL_DIR: ${CLANG_ANALYZER_Z3_INSTALL_DIR}.") + endif() endif() -if(CLANG_ANALYZER_BUILD_Z3) - find_package(Z3 4.5) - if(Z3_FOUND) - set(CLANG_ANALYZER_WITH_Z3 1) - else() - message(FATAL_ERROR "Cannot find Z3 header file or shared library") +set(CLANG_ANALYZER_ENABLE_Z3_SOLVER_DEFAULT "${Z3_FOUND}") + +option(CLANG_ANALYZER_ENABLE_Z3_SOLVER + "Enable Support for the Z3 constraint solver in the Clang Static Analyzer." + ${CLANG_ANALYZER_ENABLE_Z3_SOLVER_DEFAULT} +) + +if (CLANG_ANALYZER_ENABLE_Z3_SOLVER) + if (NOT Z3_FOUND) + message(FATAL_ERROR "CLANG_ANALYZER_ENABLE_Z3_SOLVER cannot be enabled when Z3 is not available.") endif() + + set(CLANG_ANALYZER_WITH_Z3 1) +endif() + +option(CLANG_ENABLE_PROTO_FUZZER "Build Clang protobuf fuzzer." OFF) + +if(NOT CLANG_ENABLE_STATIC_ANALYZER AND (CLANG_ENABLE_ARCMT OR CLANG_ANALYZER_ENABLE_Z3_SOLVER)) + message(FATAL_ERROR "Cannot disable static analyzer while enabling ARCMT or Z3") endif() if(CLANG_ENABLE_ARCMT) @@ -494,6 +515,7 @@ if( CLANG_INCLUDE_TESTS ) ) endif() add_subdirectory(test) + add_subdirectory(bindings/python/tests) if(CLANG_BUILT_STANDALONE) # Add a global check rule now that all subdirectories have been traversed @@ -502,11 +524,13 @@ if( CLANG_INCLUDE_TESTS ) get_property(LLVM_LIT_PARAMS GLOBAL PROPERTY LLVM_LIT_PARAMS) get_property(LLVM_LIT_DEPENDS GLOBAL PROPERTY LLVM_LIT_DEPENDS) get_property(LLVM_LIT_EXTRA_ARGS GLOBAL PROPERTY LLVM_LIT_EXTRA_ARGS) + get_property(LLVM_ADDITIONAL_TEST_TARGETS + GLOBAL PROPERTY LLVM_ADDITIONAL_TEST_TARGETS) add_lit_target(check-all "Running all regression tests" ${LLVM_LIT_TESTSUITES} PARAMS ${LLVM_LIT_PARAMS} - DEPENDS ${LLVM_LIT_DEPENDS} + DEPENDS ${LLVM_LIT_DEPENDS} ${LLVM_ADDITIONAL_TEST_TARGETS} ARGS ${LLVM_LIT_EXTRA_ARGS} ) endif() @@ -578,8 +602,8 @@ if (CLANG_ENABLE_BOOTSTRAP) if(NOT BOOTSTRAP_LLVM_ENABLE_LLD AND LLVM_BINUTILS_INCDIR) add_dependencies(clang-bootstrap-deps LLVMgold) endif() - set(LTO_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar) - set(LTO_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib) + set(${CLANG_STAGE}_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar) + set(${CLANG_STAGE}_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib) endif() endif() @@ -645,6 +669,26 @@ if (CLANG_ENABLE_BOOTSTRAP) -DCMAKE_ASM_COMPILER=${LLVM_RUNTIME_OUTPUT_INTDIR}/${C_COMPILER} -DCMAKE_ASM_COMPILER_ID=Clang) + if(BOOTSTRAP_CMAKE_SYSTEM_NAME) + set(${CLANG_STAGE}_CONFIG -DLLVM_CONFIG_PATH=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-config) + set(${CLANG_STAGE}_TABLEGEN + -DLLVM_TABLEGEN=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-tblgen + -DCLANG_TABLEGEN=${LLVM_RUNTIME_OUTPUT_INTDIR}/clang-tblgen) + if(BOOTSTRAP_CMAKE_SYSTEM_NAME STREQUAL "Linux") + if(BOOTSTRAP_LLVM_ENABLE_LLD) + set(${CLANG_STAGE}_LINKER -DCMAKE_LINKER=${LLVM_RUNTIME_OUTPUT_INTDIR}/ld.lld) + endif() + if(NOT BOOTSTRAP_LLVM_ENABLE_LTO) + add_dependencies(clang-bootstrap-deps llvm-ar llvm-ranlib) + set(${CLANG_STAGE}_AR -DCMAKE_AR=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ar) + set(${CLANG_STAGE}_RANLIB -DCMAKE_RANLIB=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-ranlib) + endif() + add_dependencies(clang-bootstrap-deps llvm-objcopy llvm-strip) + set(${CLANG_STAGE}_OBJCOPY -DCMAKE_OBJCOPY=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-objcopy) + set(${CLANG_STAGE}_STRIP -DCMAKE_STRIP=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-strip) + endif() + endif() + if(BOOTSTRAP_LLVM_BUILD_INSTRUMENTED) add_dependencies(clang-bootstrap-deps llvm-profdata) set(PGO_OPT -DLLVM_PROFDATA=${LLVM_RUNTIME_OUTPUT_INTDIR}/llvm-profdata) @@ -713,7 +757,14 @@ if (CLANG_ENABLE_BOOTSTRAP) ${PASSTHROUGH_VARIABLES} -DCLANG_STAGE=${NEXT_CLANG_STAGE} ${COMPILER_OPTIONS} - ${LTO_LIBRARY} ${LTO_AR} ${LTO_RANLIB} ${verbose} ${PGO_OPT} + ${${CLANG_STAGE}_CONFIG} + ${${CLANG_STAGE}_TABLEGEN} + ${LTO_LIBRARY} ${verbose} ${PGO_OPT} + ${${CLANG_STAGE}_LINKER} + ${${CLANG_STAGE}_AR} + ${${CLANG_STAGE}_RANLIB} + ${${CLANG_STAGE}_OBJCOPY} + ${${CLANG_STAGE}_STRIP} INSTALL_COMMAND "" STEP_TARGETS configure build USES_TERMINAL_CONFIGURE 1 |