# should be built with the LLVM toolchain from the build directory. This file is
# a first step to formalizing runtime build interfaces.
-# In the current state this file only works with compiler-rt, other runtimes
-# will work as the runtime build interface standardizes.
+# Setting CMake minimum required version should be at the very top of the file
+# if this is the entry point.
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+ cmake_minimum_required(VERSION 3.4.3)
+ project(Runtimes C CXX ASM)
+endif()
# Find all subdirectories containing CMake projects
file(GLOB entries *)
cmake_minimum_required(VERSION 3.4.3)
project(Runtimes C CXX ASM)
+ find_package(LLVM PATHS "${LLVM_BINARY_DIR}" NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
+
# Add the root project's CMake modules, and the LLVM build's modules to the
# CMake module path.
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_CURRENT_SOURCE_DIR}/../cmake"
"${CMAKE_CURRENT_SOURCE_DIR}/../cmake/modules"
- "${LLVM_LIBRARY_DIR}/cmake/llvm"
)
# Some of the runtimes will conditionally use the compiler-rt sanitizers
get_compiler_rt_path(compiler_rt_path)
if(compiler_rt_path)
list(REMOVE_ITEM runtimes ${compiler_rt_path})
- if(NOT LLVM_BUILD_COMPILER_RT)
+ if(NOT DEFINED LLVM_BUILD_COMPILER_RT OR LLVM_BUILD_COMPILER_RT)
list(INSERT runtimes 0 ${compiler_rt_path})
endif()
endif()
- # LLVMConfig.cmake contains a bunch of CMake variables from the LLVM build.
- # This file is installed as part of LLVM distributions, so this can be used
- # either from a build directory or an installed LLVM.
- include(LLVMConfig)
-
# Setting these variables will allow the sub-build to put their outputs into
# the library and bin directories of the top-level build.
set(LLVM_LIBRARY_OUTPUT_INTDIR ${LLVM_LIBRARY_DIR})
# This variable makes sure that e.g. llvm-lit is found.
set(LLVM_MAIN_SRC_DIR ${LLVM_BUILD_MAIN_SRC_DIR})
+ set(LLVM_CMAKE_PATH ${LLVM_MAIN_SRC_DIR}/cmake/modules)
+
+ # This variable is used by individual runtimes to locate LLVM files.
+ set(LLVM_PATH ${LLVM_BUILD_MAIN_SRC_DIR})
if(APPLE)
set(LLVM_ENABLE_LIBCXX ON CACHE BOOL "")
endif()
- set(SAFE_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
- set(SAFE_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
-
include(CheckLibraryExists)
include(CheckCCompilerFlag)
- check_library_exists(c fopen "" LLVM_HAS_C_LIB)
- check_c_compiler_flag(-nodefaultlibs LLVM_HAS_NODEFAULTLIBS_FLAG)
- if(LLVM_HAS_NODEFAULTLIBS_FLAG)
- set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nodefaultlibs")
- if(LLVM_HAS_C_LIB)
- list(APPEND CMAKE_REQUIRED_LIBRARIES c)
- endif()
- endif()
+ # We don't have libc++ (yet).
+ set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -nostdlib++")
# Avoid checking whether the compiler is working.
set(LLVM_COMPILER_CHECKED ON)
+ # Enable warnings, otherwise -w gets added to the cflags by HandleLLVMOptions
+ # resulting in unjustified successes by check_cxx_compiler_flag.
+ set(LLVM_ENABLE_WARNINGS ON)
+
# Handle common options used by all runtimes.
include(AddLLVM)
include(HandleLLVMOptions)
+ include(FindPythonInterp)
- set(CMAKE_REQUIRED_FLAGS ${SAFE_CMAKE_REQUIRED_FLAGS})
- set(CMAKE_REQUIRED_LIBRARIES ${SAFE_CMAKE_REQUIRED_LIBRARIES})
+ # Remove the -nostdlib++ option we've added earlier.
+ string(REPLACE "-nostdlib++" "" CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
- if(NOT LLVM_RUNTIMES_PREFIX)
- set(LLVM_RUNTIMES_PREFIX "${LLVM_RUNTIMES_TARGET}/")
+ # Use libtool instead of ar if you are both on an Apple host, and targeting Apple.
+ if(CMAKE_HOST_APPLE AND APPLE)
+ include(UseLibtool)
endif()
+ # This can be used to detect whether we're in the runtimes build.
+ set(RUNTIMES_BUILD ON)
+
foreach(entry ${runtimes})
get_filename_component(projName ${entry} NAME)
# TODO: Clean this up as part of an interface standardization
string(REPLACE "-" "_" canon_name ${projName})
string(TOUPPER ${canon_name} canon_name)
- # The subdirectories need to treat this as standalone builds
- set(${canon_name}_STANDALONE_BUILD On)
- if(LLVM_RUNTIMES_TARGET)
- if(NOT "${projName}" MATCHES "compiler-rt")
- set(${canon_name}_INSTALL_PREFIX "lib/${LLVM_RUNTIMES_PREFIX}/" CACHE STRING "" FORCE)
- endif()
+ # The subdirectories need to treat this as standalone builds. D57992 tried
+ # to get rid of this, but the runtimes treat *_STANDALONE_BUILD=OFF as if
+ # llvm & clang are configured in the same CMake, and setup dependencies
+ # against their targets.
+ set(${canon_name}_STANDALONE_BUILD ON)
+
+ if(LLVM_RUNTIMES_LIBDIR_SUBDIR)
+ set(${canon_name}_LIBDIR_SUBDIR "${LLVM_RUNTIMES_LIBDIR_SUBDIR}" CACHE STRING "" FORCE)
endif()
# Setting a variable to let sub-projects detect which other projects
# will be included under here.
- set(HAVE_${canon_name} On)
+ set(HAVE_${canon_name} ON)
endforeach()
- set(SAFE_LLVM_BINARY_DIR ${LLVM_BINARY_DIR})
- set(SAFE_LLVM_LIBRARY_OUTPUT_INTDIR ${LLVM_LIBRARY_OUTPUT_INTDIR})
- set(SAFE_LLVM_RUNTIME_OUTPUT_INTDIR ${LLVM_RUNTIME_OUTPUT_INTDIR})
-
# We do this in two loops so that HAVE_* is set for each runtime before the
# other runtimes are added.
foreach(entry ${runtimes})
get_filename_component(projName ${entry} NAME)
- if(LLVM_RUNTIMES_TARGET)
- if(NOT "${projName}" MATCHES "compiler-rt")
- set(LLVM_BINARY_DIR "${LLVM_LIBRARY_DIR}/${LLVM_RUNTIMES_PREFIX}")
- set(LLVM_LIBDIR_SUFFIX "${LLVM_RUNTIMES_LIBDIR_SUFFIX}")
- set(LLVM_LIBRARY_OUTPUT_INTDIR "${LLVM_LIBRARY_DIR}/${LLVM_RUNTIMES_PREFIX}lib${LLVM_RUNTIMES_LIBDIR_SUFFIX}")
- set(LLVM_RUNTIME_OUTPUT_INTDIR "${LLVM_TOOLS_BINARY_DIR}/${LLVM_RUNTIMES_PREFIX}")
- endif()
- endif()
-
# Between each sub-project we want to cache and clear the LIT properties
set_property(GLOBAL PROPERTY LLVM_LIT_TESTSUITES)
set_property(GLOBAL PROPERTY LLVM_LIT_PARAMS)
list(APPEND RUNTIMES_LIT_PARAMS ${LLVM_LIT_PARAMS})
list(APPEND RUNTIMES_LIT_DEPENDS ${LLVM_LIT_DEPENDS})
list(APPEND RUNTIMES_LIT_EXTRA_ARGS ${LLVM_LIT_EXTRA_ARGS})
-
- if(LLVM_RUNTIMES_TARGET)
- if(NOT "${projName}" MATCHES "compiler-rt")
- set(LLVM_BINARY_DIR "${SAFE_LLVM_BINARY_DIR}")
- set(LLVM_LIBRARY_OUTPUT_INTDIR "${SAFE_LLVM_LIBRARY_OUTPUT_INTDIR}")
- set(LLVM_RUNTIME_OUTPUT_INTDIR "${SAFE_LLVM_RUNTIME_OUTPUT_INTDIR}")
- endif()
- endif()
endforeach()
if(LLVM_INCLUDE_TESTS)
else() # if this is included from LLVM's CMake
include(LLVMExternalProjectUtils)
+ if (LLVM_EXTERNAL_LIBCXX_SOURCE_DIR AND "libcxx" IN_LIST LLVM_ENABLE_RUNTIMES)
+ # This looks wrong, but libcxx's build actually wants the header dir to be
+ # the root build dir, not the include directory.
+ set(LIBCXX_HEADER_DIR ${LLVM_BINARY_DIR})
+ set(CXX_HEADER_TARGET runtime-libcxx-headers)
+ add_subdirectory(${LLVM_EXTERNAL_LIBCXX_SOURCE_DIR}/include ${CXX_HEADER_TARGET})
+ endif()
if(NOT LLVM_BUILD_RUNTIMES)
set(EXTRA_ARGS EXCLUDE_FROM_ALL)
endif()
function(builtin_default_target compiler_rt_path)
+ cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN})
+
llvm_ExternalProject_Add(builtins
${compiler_rt_path}/lib/builtins
+ DEPENDS ${ARG_DEPENDS}
CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR}
-DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_TOOLS_BINARY_DIR}
+ -DLLVM_DEFAULT_TARGET_TRIPLE=${TARGET_TRIPLE}
+ -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
-DCMAKE_C_COMPILER_TARGET=${TARGET_TRIPLE}
-DCMAKE_ASM_COMPILER_TARGET=${TARGET_TRIPLE}
-DCMAKE_C_COMPILER_WORKS=ON
endfunction()
function(builtin_register_target compiler_rt_path target)
+ cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN})
+
string(REPLACE "-" ";" builtin_target_list ${target})
foreach(item ${builtin_target_list})
string(TOLOWER "${item}" item_lower)
get_cmake_property(variableNames VARIABLES)
foreach(variableName ${variableNames})
- if(variableName MATCHES "^BUILTINS_${target}")
+ string(FIND "${variableName}" "BUILTINS_${target}" out)
+ if("${out}" EQUAL 0)
string(REPLACE "BUILTINS_${target}_" "" new_name ${variableName})
list(APPEND ${target}_extra_args "-D${new_name}=${${variableName}}")
endif()
llvm_ExternalProject_Add(builtins-${target}
${compiler_rt_path}/lib/builtins
+ DEPENDS ${ARG_DEPENDS}
CMAKE_ARGS -DLLVM_LIBRARY_OUTPUT_INTDIR=${LLVM_LIBRARY_DIR}
-DLLVM_RUNTIME_OUTPUT_INTDIR=${LLVM_TOOLS_BINARY_DIR}
+ -DLLVM_DEFAULT_TARGET_TRIPLE=${target}
+ -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
-DCMAKE_C_COMPILER_TARGET=${target}
-DCMAKE_ASM_COMPILER_TARGET=${target}
-DCMAKE_C_COMPILER_WORKS=ON
-DCMAKE_ASM_COMPILER_WORKS=ON
-DCOMPILER_RT_DEFAULT_TARGET_ONLY=ON
${${target}_extra_args}
- TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib
+ TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib llvm-nm llvm-objcopy llvm-objdump llvm-strip
USE_TOOLCHAIN
${EXTRA_ARGS})
endfunction()
get_compiler_rt_path(compiler_rt_path)
if(compiler_rt_path)
if(NOT LLVM_BUILTIN_TARGETS)
- builtin_default_target(${compiler_rt_path})
+ builtin_default_target(${compiler_rt_path}
+ DEPENDS clang-resource-headers)
else()
if("default" IN_LIST LLVM_BUILTIN_TARGETS)
- builtin_default_target(${compiler_rt_path})
+ builtin_default_target(${compiler_rt_path}
+ DEPENDS clang-resource-headers)
list(REMOVE_ITEM LLVM_BUILTIN_TARGETS "default")
else()
add_custom_target(builtins)
endif()
foreach(target ${LLVM_BUILTIN_TARGETS})
- builtin_register_target(${compiler_rt_path} ${target})
+ builtin_register_target(${compiler_rt_path} ${target}
+ DEPENDS clang-resource-headers)
add_dependencies(builtins builtins-${target})
add_dependencies(install-builtins install-builtins-${target})
list(APPEND runtime_names ${projName})
endforeach()
+ if(LLVM_RUNTIME_BUILD_ID_LINK_TARGETS)
+ configure_file(
+ ${CMAKE_CURRENT_SOURCE_DIR}/llvm-strip-link.in
+ ${CMAKE_CURRENT_BINARY_DIR}/llvm-strip-link
+ @ONLY
+ )
+ endif()
+
function(runtime_default_target)
- cmake_parse_arguments(ARG "" "" "DEPS;PREFIXES" ${ARGN})
+ cmake_parse_arguments(ARG "" "" "DEPENDS;PREFIXES" ${ARGN})
include(${LLVM_BINARY_DIR}/runtimes/Components.cmake OPTIONAL)
+ set(SUB_CHECK_TARGETS ${SUB_CHECK_TARGETS} PARENT_SCOPE)
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${LLVM_BINARY_DIR}/runtimes/Components.cmake)
foreach(runtime_name ${runtime_names})
list(APPEND test_targets check-${runtime_name})
endif()
endforeach()
+ foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
+ if(NOT ${component} IN_LIST SUB_COMPONENTS)
+ list(APPEND extra_targets ${component} install-${component} install-${component}-stripped)
+ endif()
+ endforeach()
if(LLVM_INCLUDE_TESTS)
list(APPEND test_targets runtimes-test-depends check-runtimes)
llvm_ExternalProject_Add(runtimes
${CMAKE_CURRENT_SOURCE_DIR}
- DEPENDS ${ARG_DEPS}
+ DEPENDS ${ARG_DEPENDS} ${CXX_HEADER_TARGET}
# Builtins were built separately above
CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off
-DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
- -DLLVM_LIBRARY_DIR=${LLVM_LIBRARY_DIR}
+ -DLLVM_DEFAULT_TARGET_TRIPLE=${TARGET_TRIPLE}
+ -DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED}
+ -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
-DCMAKE_C_COMPILER_TARGET=${TARGET_TRIPLE}
-DCMAKE_CXX_COMPILER_TARGET=${TARGET_TRIPLE}
-DCMAKE_ASM_COMPILER_TARGET=${TARGET_TRIPLE}
# runtime_register_target(target)
# Utility function to register external runtime target.
function(runtime_register_target name target)
- cmake_parse_arguments(ARG "" "" "DEPS" ${ARGN})
+ cmake_parse_arguments(ARG "" "" "DEPENDS" ${ARGN})
include(${LLVM_BINARY_DIR}/runtimes/${name}/Components.cmake OPTIONAL)
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS ${LLVM_BINARY_DIR}/runtimes/${name}/Components.cmake)
- set(${name}_deps ${ARG_DEPS})
+ set(${name}_deps ${ARG_DEPENDS})
if(NOT name STREQUAL target)
list(APPEND ${name}_deps runtimes-${target})
endif()
foreach(runtime_name ${runtime_names})
- list(APPEND ${name}_extra_targets
- "${runtime_name}:${runtime_name}-${name}"
- "install-${runtime_name}:install-${runtime_name}-${name}"
- "install-${runtime_name}-stripped:install-${runtime_name}-${name}-stripped")
+ set(${runtime_name}-${name} ${runtime_name})
+ set(install-${runtime_name}-${name} install-${runtime_name})
+ set(install-${runtime_name}-${name}-stripped install-${runtime_name}-stripped)
+ list(APPEND ${name}_extra_targets ${runtime_name}-${name} install-${runtime_name}-${name} install-${runtime_name}-${name}-stripped)
if(LLVM_INCLUDE_TESTS)
- list(APPEND ${name}_test_targets "check-${runtime_name}:check-${runtime_name}-${name}")
+ set(check-${runtime_name}-${name} check-${runtime_name} )
+ list(APPEND ${name}_test_targets check-${runtime_name}-${name})
endif()
endforeach()
foreach(target_name IN LISTS SUB_COMPONENTS SUB_INSTALL_TARGETS)
- list(APPEND ${name}_extra_targets "${target_name}:${target_name}-${name}")
+ set(${target_name}-${name} ${target_name})
+ list(APPEND ${name}_extra_targets ${target_name}-${name})
+ endforeach()
+
+ foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
+ set(${component}-${name} ${component})
+ set(install-${component}-${name} ${component})
+ list(APPEND ${name}_extra_targets ${component}-${name} install-${component}-${name})
endforeach()
if(LLVM_INCLUDE_TESTS)
- list(APPEND ${name}_test_targets
- "runtimes-test-depends:runtimes-test-depends-${name}"
- "check-runtimes:check-runtimes-${name}")
+ set(runtimes-test-depends-${name} runtimes-test-depends)
+ set(check-runtimes-${name} check-runtimes)
+ list(APPEND ${name}_test_targets runtimes-test-depends-${name} check-runtimes-${name})
foreach(target_name IN LISTS SUB_CHECK_TARGETS)
- list(APPEND ${name}_test_targets "${target_name}:${target_name}-${name}")
- list(APPEND test_targets "${target_name}-${name}")
+ set(${target_name}-${name} ${target_name})
+ list(APPEND ${name}_test_targets ${target_name}-${name})
+ list(APPEND test_targets ${target_name}-${name})
endforeach()
set(test_targets "${test_targets}" PARENT_SCOPE)
endif()
get_cmake_property(variableNames VARIABLES)
foreach(variableName ${variableNames})
- if(variableName MATCHES "^RUNTIMES_${name}")
+ string(FIND "${variableName}" "RUNTIMES_${name}_" out)
+ if("${out}" EQUAL 0)
string(REPLACE "RUNTIMES_${name}_" "" new_name ${variableName})
list(APPEND ${name}_extra_args "-D${new_name}=${${variableName}}")
- elseif(variableName MATCHES "^RUNTIMES_${target}")
+ endif()
+ string(FIND "${variableName}" "RUNTIMES_${target}_" out)
+ if("${out}" EQUAL 0)
string(REPLACE "RUNTIMES_${target}_" "" new_name ${variableName})
list(APPEND ${name}_extra_args "-D${new_name}=${${variableName}}")
endif()
endforeach()
+ if(target IN_LIST LLVM_RUNTIME_BUILD_ID_LINK_TARGETS)
+ list(APPEND EXTRA_ARGS STRIP_TOOL ${CMAKE_CURRENT_BINARY_DIR}/llvm-strip-link)
+ endif()
+
llvm_ExternalProject_Add(runtimes-${name}
${CMAKE_CURRENT_SOURCE_DIR}
- DEPENDS ${${name}_deps}
+ DEPENDS ${${name}_deps} ${CXX_HEADER_TARGET}
# Builtins were built separately above
CMAKE_ARGS -DCOMPILER_RT_BUILD_BUILTINS=Off
-DLLVM_INCLUDE_TESTS=${LLVM_INCLUDE_TESTS}
- -DLLVM_LIBRARY_DIR=${LLVM_LIBRARY_DIR}
+ -DLLVM_DEFAULT_TARGET_TRIPLE=${target}
+ -DLLVM_ENABLE_PROJECTS_USED=${LLVM_ENABLE_PROJECTS_USED}
+ -DLLVM_ENABLE_PER_TARGET_RUNTIME_DIR=ON
-DCMAKE_C_COMPILER_TARGET=${target}
-DCMAKE_CXX_COMPILER_TARGET=${target}
-DCMAKE_ASM_COMPILER_TARGET=${target}
-DLLVM_RUNTIMES_TARGET=${name}
${${name}_extra_args}
PASSTHROUGH_PREFIXES LLVM_ENABLE_RUNTIMES
- TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib
+ TOOLCHAIN_TOOLS clang lld llvm-ar llvm-ranlib llvm-nm llvm-objcopy llvm-objdump llvm-strip
EXTRA_TARGETS ${${name}_extra_targets}
${${name}_test_targets}
USE_TOOLCHAIN
# together in a single CMake invocaiton.
if(NOT LLVM_RUNTIME_TARGETS)
runtime_default_target(
- DEPS ${deps}
- PREFIXES ${prefixes}
- )
+ DEPENDS ${deps}
+ PREFIXES ${prefixes})
+ set(test_targets check-runtimes)
else()
if("default" IN_LIST LLVM_RUNTIME_TARGETS)
runtime_default_target(
- DEPS ${deps}
+ DEPENDS ${deps}
PREFIXES ${prefixes})
list(REMOVE_ITEM LLVM_RUNTIME_TARGETS "default")
else()
add_custom_target(runtimes-test-depends)
set(test_targets "")
endif()
+ if(LLVM_RUNTIME_DISTRIBUTION_COMPONENTS)
+ foreach(component ${LLVM_RUNTIME_DISTRIBUTION_COMPONENTS})
+ add_custom_target(${component})
+ add_custom_target(install-${component})
+ endforeach()
+ endif()
endif()
foreach(name ${LLVM_RUNTIME_TARGETS})
- set(target ${name})
- string(REPLACE ":" ";" target_list ${target})
- list(GET target_list 0 name)
- list(LENGTH target_list target_list_len)
- if(${target_list_len} GREATER 1)
- list(GET target_list 1 target)
- endif()
-
- runtime_register_target(${name} ${target}
- DEPS ${deps}
- )
+ runtime_register_target(${name} ${name}
+ DEPENDS ${deps})
add_dependencies(runtimes runtimes-${name})
add_dependencies(runtimes-configure runtimes-${name}-configure)
add_dependencies(runtimes-test-depends runtimes-test-depends-${name})
endif()
endforeach()
+
+ foreach(multilib ${LLVM_RUNTIME_MULTILIBS})
+ foreach(name ${LLVM_RUNTIME_MULTILIB_${multilib}_TARGETS})
+ runtime_register_target(${name}+${multilib} ${name}
+ DEPENDS runtimes-${name}
+ CMAKE_ARGS -DLLVM_RUNTIMES_PREFIX=${name}/
+ -DLLVM_RUNTIMES_LIBDIR_SUBDIR=${multilib})
+ add_dependencies(runtimes runtimes-${name}+${multilib})
+ add_dependencies(runtimes-configure runtimes-${name}+${multilib}-configure)
+ add_dependencies(install-runtimes install-runtimes-${name}+${multilib})
+ add_dependencies(install-runtimes-stripped install-runtimes-${name}+${multilib}-stripped)
+ endforeach()
+ endforeach()
endif()
# TODO: This is a hack needed because the libcxx headers are copied into the
obj2yaml
sancov
sanstats
+ gtest_main
+ gtest
)
foreach(target ${test_targets} ${SUB_CHECK_TARGETS})
add_dependencies(${target} ${RUNTIMES_TEST_DEPENDS})
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