diff options
Diffstat (limited to 'src/third_party/abseil-cpp-master/abseil-cpp/CMake/AbseilHelpers.cmake')
| -rw-r--r-- | src/third_party/abseil-cpp-master/abseil-cpp/CMake/AbseilHelpers.cmake | 441 |
1 files changed, 236 insertions, 205 deletions
diff --git a/src/third_party/abseil-cpp-master/abseil-cpp/CMake/AbseilHelpers.cmake b/src/third_party/abseil-cpp-master/abseil-cpp/CMake/AbseilHelpers.cmake index e4289c11689..54fb8df3963 100644 --- a/src/third_party/abseil-cpp-master/abseil-cpp/CMake/AbseilHelpers.cmake +++ b/src/third_party/abseil-cpp-master/abseil-cpp/CMake/AbseilHelpers.cmake @@ -5,7 +5,7 @@ # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # -# http://www.apache.org/licenses/LICENSE-2.0 +# https://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, @@ -16,60 +16,18 @@ include(CMakeParseArguments) include(AbseilConfigureCopts) +include(AbseilDll) # The IDE folder for Abseil that will be used if Abseil is included in a CMake # project that sets # set_property(GLOBAL PROPERTY USE_FOLDERS ON) # For example, Visual Studio supports folders. -set(ABSL_IDE_FOLDER Abseil) +if(NOT DEFINED ABSL_IDE_FOLDER) + set(ABSL_IDE_FOLDER Abseil) +endif() +# absl_cc_library() # -# create a library in the absl namespace -# -# parameters -# SOURCES : sources files for the library -# PUBLIC_LIBRARIES: targets and flags for linking phase -# PRIVATE_COMPILE_FLAGS: compile flags for the library. Will not be exported. -# EXPORT_NAME: export name for the absl:: target export -# TARGET: target name -# -# create a target associated to <NAME> -# libraries are installed under CMAKE_INSTALL_FULL_LIBDIR by default -# -function(absl_library) - cmake_parse_arguments(ABSL_LIB - "DISABLE_INSTALL" # keep that in case we want to support installation one day - "TARGET;EXPORT_NAME" - "SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS" - ${ARGN} - ) - - set(_NAME ${ABSL_LIB_TARGET}) - string(TOUPPER ${_NAME} _UPPER_NAME) - - add_library(${_NAME} STATIC ${ABSL_LIB_SOURCES}) - - target_compile_options(${_NAME} - PRIVATE - ${ABSL_LIB_PRIVATE_COMPILE_FLAGS} - ${ABSL_DEFAULT_COPTS} - ) - target_link_libraries(${_NAME} PUBLIC ${ABSL_LIB_PUBLIC_LIBRARIES}) - target_include_directories(${_NAME} - PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_LIB_PUBLIC_INCLUDE_DIRS} - PRIVATE ${ABSL_LIB_PRIVATE_INCLUDE_DIRS} - ) - # Add all Abseil targets to a a folder in the IDE for organization. - set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}) - - set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD}) - set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON) - - if(ABSL_LIB_EXPORT_NAME) - add_library(absl::${ABSL_LIB_EXPORT_NAME} ALIAS ${_NAME}) - endif() -endfunction() - # CMake function to imitate Bazel's cc_library rule. # # Parameters: @@ -80,13 +38,13 @@ endfunction() # COPTS: List of private compile options # DEFINES: List of public defines # LINKOPTS: List of link options -# PUBLIC: Add this so that this library will be exported under absl:: (see Note). +# PUBLIC: Add this so that this library will be exported under absl:: # Also in IDE, target will appear in Abseil folder while non PUBLIC will be in Abseil/internal. -# TESTONLY: When added, this target will only be built if user passes -DABSL_RUN_TESTS=ON to CMake. +# TESTONLY: When added, this target will only be built if BUILD_TESTING=ON. # # Note: -# By default, absl_cc_library will always create a library named absl_internal_${NAME}, -# and alias target absl::${NAME}. +# By default, absl_cc_library will always create a library named absl_${NAME}, +# and alias target absl::${NAME}. The absl:: form should always be used. # This is to reduce namespace pollution. # # absl_cc_library( @@ -103,21 +61,18 @@ endfunction() # SRCS # "b.cc" # DEPS -# absl_internal_awesome # not "awesome"! +# absl::awesome # not "awesome" ! +# PUBLIC # ) # -# If PUBLIC is set, absl_cc_library will instead create a target named -# absl_${NAME} and still an alias absl::${NAME}. -# # absl_cc_library( # NAME # main_lib # ... -# PUBLIC +# DEPS +# absl::fantastic_lib # ) # -# User can then use the library as absl::main_lib (although absl_main_lib is defined too). -# # TODO: Implement "ALWAYSLINK" function(absl_cc_library) cmake_parse_arguments(ABSL_CC_LIB @@ -127,60 +82,223 @@ function(absl_cc_library) ${ARGN} ) - if (NOT ABSL_CC_LIB_TESTONLY OR ABSL_RUN_TESTS) - if (ABSL_CC_LIB_PUBLIC) - set(_NAME "absl_${ABSL_CC_LIB_NAME}") - else() - set(_NAME "absl_internal_${ABSL_CC_LIB_NAME}") + if(ABSL_CC_LIB_TESTONLY AND NOT BUILD_TESTING) + return() + endif() + + if(ABSL_ENABLE_INSTALL) + set(_NAME "${ABSL_CC_LIB_NAME}") + else() + set(_NAME "absl_${ABSL_CC_LIB_NAME}") + endif() + + # Check if this is a header-only library + # Note that as of February 2019, many popular OS's (for example, Ubuntu + # 16.04 LTS) only come with cmake 3.5 by default. For this reason, we can't + # use list(FILTER...) + set(ABSL_CC_SRCS "${ABSL_CC_LIB_SRCS}") + foreach(src_file IN LISTS ABSL_CC_SRCS) + if(${src_file} MATCHES ".*\\.(h|inc)") + list(REMOVE_ITEM ABSL_CC_SRCS "${src_file}") endif() + endforeach() + + if(ABSL_CC_SRCS STREQUAL "") + set(ABSL_CC_LIB_IS_INTERFACE 1) + else() + set(ABSL_CC_LIB_IS_INTERFACE 0) + endif() - # Check if this is a header-only library - set(ABSL_CC_SRCS "${ABSL_CC_LIB_SRCS}") - list(FILTER ABSL_CC_SRCS EXCLUDE REGEX ".*\\.h") - if ("${ABSL_CC_SRCS}" STREQUAL "") + # Determine this build target's relationship to the DLL. It's one of four things: + # 1. "dll" -- This target is part of the DLL + # 2. "dll_dep" -- This target is not part of the DLL, but depends on the DLL. + # Note that we assume any target not in the DLL depends on the + # DLL. This is not a technical necessity but a convenience + # which happens to be true, because nearly every target is + # part of the DLL. + # 3. "shared" -- This is a shared library, perhaps on a non-windows platform + # where DLL doesn't make sense. + # 4. "static" -- This target does not depend on the DLL and should be built + # statically. + if (${ABSL_BUILD_DLL}) + if(ABSL_ENABLE_INSTALL) + absl_internal_dll_contains(TARGET ${_NAME} OUTPUT _in_dll) + else() + absl_internal_dll_contains(TARGET ${ABSL_CC_LIB_NAME} OUTPUT _in_dll) + endif() + if (${_in_dll}) + # This target should be replaced by the DLL + set(_build_type "dll") set(ABSL_CC_LIB_IS_INTERFACE 1) else() - set(ABSL_CC_LIB_IS_INTERFACE 0) + # Building a DLL, but this target is not part of the DLL + set(_build_type "dll_dep") + endif() + elseif(BUILD_SHARED_LIBS) + set(_build_type "shared") + else() + set(_build_type "static") + endif() + + # Generate a pkg-config file for every library: + if(_build_type STREQUAL "static" OR _build_type STREQUAL "shared") + if(NOT ABSL_CC_LIB_TESTONLY) + if(absl_VERSION) + set(PC_VERSION "${absl_VERSION}") + else() + set(PC_VERSION "head") + endif() + foreach(dep ${ABSL_CC_LIB_DEPS}) + if(${dep} MATCHES "^absl::(.*)") + # Join deps with commas. + if(PC_DEPS) + set(PC_DEPS "${PC_DEPS},") + endif() + set(PC_DEPS "${PC_DEPS} absl_${CMAKE_MATCH_1} = ${PC_VERSION}") + endif() + endforeach() + foreach(cflag ${ABSL_CC_LIB_COPTS}) + if(${cflag} MATCHES "^(-Wno|/wd)") + # These flags are needed to suppress warnings that might fire in our headers. + set(PC_CFLAGS "${PC_CFLAGS} ${cflag}") + elseif(${cflag} MATCHES "^(-W|/w[1234eo])") + # Don't impose our warnings on others. + else() + set(PC_CFLAGS "${PC_CFLAGS} ${cflag}") + endif() + endforeach() + FILE(GENERATE OUTPUT "${CMAKE_BINARY_DIR}/lib/pkgconfig/absl_${_NAME}.pc" CONTENT "\ +prefix=${CMAKE_INSTALL_PREFIX}\n\ +exec_prefix=\${prefix}\n\ +libdir=\${prefix}/${CMAKE_INSTALL_LIBDIR}\n\ +includedir=\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}\n\ +\n\ +Name: absl_${_NAME}\n\ +Description: Abseil ${_NAME} library\n\ +URL: https://abseil.io/\n\ +Version: ${PC_VERSION}\n\ +Requires:${PC_DEPS}\n\ +Libs: -L\${libdir} $<JOIN:${ABSL_CC_LIB_LINKOPTS}, > $<$<NOT:$<BOOL:${ABSL_CC_LIB_IS_INTERFACE}>>:-labsl_${_NAME}>\n\ +Cflags: -I\${includedir}${PC_CFLAGS}\n") + INSTALL(FILES "${CMAKE_BINARY_DIR}/lib/pkgconfig/absl_${_NAME}.pc" + DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") endif() + endif() - if(NOT ABSL_CC_LIB_IS_INTERFACE) + if(NOT ABSL_CC_LIB_IS_INTERFACE) + if(_build_type STREQUAL "dll_dep") + # This target depends on the DLL. When adding dependencies to this target, + # any depended-on-target which is contained inside the DLL is replaced + # with a dependency on the DLL. add_library(${_NAME} STATIC "") target_sources(${_NAME} PRIVATE ${ABSL_CC_LIB_SRCS} ${ABSL_CC_LIB_HDRS}) - target_include_directories(${_NAME} - PUBLIC ${ABSL_COMMON_INCLUDE_DIRS}) - target_compile_options(${_NAME} - PRIVATE ${ABSL_CC_LIB_COPTS}) + absl_internal_dll_targets( + DEPS ${ABSL_CC_LIB_DEPS} + OUTPUT _dll_deps + ) target_link_libraries(${_NAME} - PUBLIC ${ABSL_CC_LIB_DEPS} - PRIVATE ${ABSL_CC_LIB_LINKOPTS} + PUBLIC ${_dll_deps} + PRIVATE + ${ABSL_CC_LIB_LINKOPTS} + ${ABSL_DEFAULT_LINKOPTS} ) - target_compile_definitions(${_NAME} PUBLIC ${ABSL_CC_LIB_DEFINES}) - # Add all Abseil targets to a a folder in the IDE for organization. - if(ABSL_CC_LIB_PUBLIC) - set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}) - elseif(ABSL_CC_LIB_TESTONLY) - set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test) + if (ABSL_CC_LIB_TESTONLY) + set(_gtest_link_define "GTEST_LINKED_AS_SHARED_LIBRARY=1") else() - set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/internal) + set(_gtest_link_define) endif() - # INTERFACE libraries can't have the CXX_STANDARD property set - set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD}) - set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON) - else() - # Generating header-only library - add_library(${_NAME} INTERFACE) - target_include_directories(${_NAME} - INTERFACE ${ABSL_COMMON_INCLUDE_DIRS}) + target_compile_definitions(${_NAME} + PUBLIC + ABSL_CONSUME_DLL + "${_gtest_link_define}" + ) + + elseif(_build_type STREQUAL "static" OR _build_type STREQUAL "shared") + add_library(${_NAME} "") + target_sources(${_NAME} PRIVATE ${ABSL_CC_LIB_SRCS} ${ABSL_CC_LIB_HDRS}) target_link_libraries(${_NAME} - INTERFACE ${ABSL_CC_LIB_DEPS} ${ABSL_CC_LIB_LINKOPTS} + PUBLIC ${ABSL_CC_LIB_DEPS} + PRIVATE + ${ABSL_CC_LIB_LINKOPTS} + ${ABSL_DEFAULT_LINKOPTS} ) - target_compile_definitions(${_NAME} INTERFACE ${ABSL_CC_LIB_DEFINES}) + else() + message(FATAL_ERROR "Invalid build type: ${_build_type}") endif() - add_library(absl::${ABSL_CC_LIB_NAME} ALIAS ${_NAME}) + # Linker language can be inferred from sources, but in the case of DLLs we + # don't have any .cc files so it would be ambiguous. We could set it + # explicitly only in the case of DLLs but, because "CXX" is always the + # correct linker language for static or for shared libraries, we set it + # unconditionally. + set_property(TARGET ${_NAME} PROPERTY LINKER_LANGUAGE "CXX") + + target_include_directories(${_NAME} + PUBLIC + "$<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>" + $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}> + ) + target_compile_options(${_NAME} + PRIVATE ${ABSL_CC_LIB_COPTS}) + target_compile_definitions(${_NAME} PUBLIC ${ABSL_CC_LIB_DEFINES}) + + # Add all Abseil targets to a a folder in the IDE for organization. + if(ABSL_CC_LIB_PUBLIC) + set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}) + elseif(ABSL_CC_LIB_TESTONLY) + set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test) + else() + set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/internal) + endif() + + # INTERFACE libraries can't have the CXX_STANDARD property set + set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD}) + set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON) + + # When being installed, we lose the absl_ prefix. We want to put it back + # to have properly named lib files. This is a no-op when we are not being + # installed. + if(ABSL_ENABLE_INSTALL) + set_target_properties(${_NAME} PROPERTIES + OUTPUT_NAME "absl_${_NAME}" + SOVERSION "2103.0.1" + ) + endif() + else() + # Generating header-only library + add_library(${_NAME} INTERFACE) + target_include_directories(${_NAME} + INTERFACE + "$<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}>" + $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}> + ) + + if (_build_type STREQUAL "dll") + set(ABSL_CC_LIB_DEPS abseil_dll) + endif() + + target_link_libraries(${_NAME} + INTERFACE + ${ABSL_CC_LIB_DEPS} + ${ABSL_CC_LIB_LINKOPTS} + ${ABSL_DEFAULT_LINKOPTS} + ) + target_compile_definitions(${_NAME} INTERFACE ${ABSL_CC_LIB_DEFINES}) endif() + + # TODO currently we don't install googletest alongside abseil sources, so + # installed abseil can't be tested. + if(NOT ABSL_CC_LIB_TESTONLY AND ABSL_ENABLE_INSTALL) + install(TARGETS ${_NAME} EXPORT ${PROJECT_NAME}Targets + RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} + LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} + ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} + ) + endif() + + add_library(absl::${ABSL_CC_LIB_NAME} ALIAS ${_NAME}) endfunction() # absl_cc_test() @@ -221,7 +339,7 @@ endfunction() # gtest_main # ) function(absl_cc_test) - if(NOT ABSL_RUN_TESTS) + if(NOT BUILD_TESTING) return() endif() @@ -233,23 +351,42 @@ function(absl_cc_test) ) set(_NAME "absl_${ABSL_CC_TEST_NAME}") + add_executable(${_NAME} "") target_sources(${_NAME} PRIVATE ${ABSL_CC_TEST_SRCS}) target_include_directories(${_NAME} PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} PRIVATE ${GMOCK_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS} ) - target_compile_definitions(${_NAME} - PUBLIC ${ABSL_CC_TEST_DEFINES} - ) + + if (${ABSL_BUILD_DLL}) + target_compile_definitions(${_NAME} + PUBLIC + ${ABSL_CC_TEST_DEFINES} + ABSL_CONSUME_DLL + GTEST_LINKED_AS_SHARED_LIBRARY=1 + ) + + # Replace dependencies on targets inside the DLL with abseil_dll itself. + absl_internal_dll_targets( + DEPS ${ABSL_CC_TEST_DEPS} + OUTPUT ABSL_CC_TEST_DEPS + ) + else() + target_compile_definitions(${_NAME} + PUBLIC + ${ABSL_CC_TEST_DEFINES} + ) + endif() target_compile_options(${_NAME} PRIVATE ${ABSL_CC_TEST_COPTS} ) + target_link_libraries(${_NAME} PUBLIC ${ABSL_CC_TEST_DEPS} PRIVATE ${ABSL_CC_TEST_LINKOPTS} ) - # Add all Abseil targets to a a folder in the IDE for organization. + # Add all Abseil targets to a folder in the IDE for organization. set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test) set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD}) @@ -258,116 +395,10 @@ function(absl_cc_test) add_test(NAME ${_NAME} COMMAND ${_NAME}) endfunction() -# -# header only virtual target creation -# -function(absl_header_library) - cmake_parse_arguments(ABSL_HO_LIB - "DISABLE_INSTALL" - "EXPORT_NAME;TARGET" - "PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS;PRIVATE_INCLUDE_DIRS" - ${ARGN} - ) - - set(_NAME ${ABSL_HO_LIB_TARGET}) - - set(__dummy_header_only_lib_file "${CMAKE_CURRENT_BINARY_DIR}/${_NAME}_header_only_dummy.cc") - - if(NOT EXISTS ${__dummy_header_only_lib_file}) - file(WRITE ${__dummy_header_only_lib_file} - "/* generated file for header-only cmake target */ - - namespace absl { - - // single meaningless symbol - void ${_NAME}__header_fakesym() {} - } // namespace absl - " - ) - endif() - - - add_library(${_NAME} ${__dummy_header_only_lib_file}) - target_link_libraries(${_NAME} PUBLIC ${ABSL_HO_LIB_PUBLIC_LIBRARIES}) - target_include_directories(${_NAME} - PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_HO_LIB_PUBLIC_INCLUDE_DIRS} - PRIVATE ${ABSL_HO_LIB_PRIVATE_INCLUDE_DIRS} - ) - - # Add all Abseil targets to a a folder in the IDE for organization. - set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}) - - set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD}) - set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON) - - if(ABSL_HO_LIB_EXPORT_NAME) - add_library(absl::${ABSL_HO_LIB_EXPORT_NAME} ALIAS ${_NAME}) - endif() - -endfunction() - -# -# create an abseil unit_test and add it to the executed test list -# -# parameters -# TARGET: target name prefix -# SOURCES: sources files for the tests -# PUBLIC_LIBRARIES: targets and flags for linking phase. -# PRIVATE_COMPILE_FLAGS: compile flags for the test. Will not be exported. -# -# create a target associated to <NAME>_bin -# -# all tests will be register for execution with add_test() -# -# test compilation and execution is disable when ABSL_RUN_TESTS=OFF -# -function(absl_test) - - cmake_parse_arguments(ABSL_TEST - "" - "TARGET" - "SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS" - ${ARGN} - ) - - - if(ABSL_RUN_TESTS) - - set(_NAME "absl_${ABSL_TEST_TARGET}") - string(TOUPPER ${_NAME} _UPPER_NAME) - - add_executable(${_NAME} ${ABSL_TEST_SOURCES}) - - target_compile_options(${_NAME} - PRIVATE - ${ABSL_TEST_PRIVATE_COMPILE_FLAGS} - ${ABSL_TEST_COPTS} - ) - target_link_libraries(${_NAME} PUBLIC ${ABSL_TEST_PUBLIC_LIBRARIES} ${ABSL_TEST_COMMON_LIBRARIES}) - target_include_directories(${_NAME} - PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_TEST_PUBLIC_INCLUDE_DIRS} - PRIVATE ${GMOCK_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS} - ) - - # Add all Abseil targets to a a folder in the IDE for organization. - set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}) - - set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD}) - set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON) - - add_test(NAME ${_NAME} COMMAND ${_NAME}) - endif(ABSL_RUN_TESTS) - -endfunction() - - - function(check_target my_target) - if(NOT TARGET ${my_target}) message(FATAL_ERROR " ABSL: compiling absl requires a ${my_target} CMake target in your project, see CMake/README.md for more details") endif(NOT TARGET ${my_target}) - endfunction() |