diff options
| author |  Abseil Team <absl-team@google.com> | 2019-08-08 10:56:58 -0700 |
|---|---|---|
| committer |  CJ Johnson <johnsoncj@google.com> | 2019-08-08 14:19:45 -0400 |
| commit | aa844899c937bde5d2b24f276b59997e5b668bde (patch) | |
| tree | cd18e64150abc74b85bbbf6abf990f66fa47cacd /CMake/AbseilHelpers.cmake | |
| parent | fcb104594b0bb4b8ac306cb2f55ecdad40974683 (diff) | |
Creation of LTS branch "lts_2019_08_08"20190808
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- 3c98fcc0461bd2a4b9c149d4748a7373a225cf4b Merge pull request #340 from jtsylve/macos_cxx17_fix by Matt Calabrese <38107210+mattcalabrese-google@users.noreply.github.com>
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- a13d3df2b3ba68aeead92e2d078fba0510d55024 Merge pull request #323 from gosnik/master by Gennadiy Rozental <rogeeff@google.com>
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- 0238ab0a831f179518c1a814f9584e99da2d75a3 Merge pull request #321 from christoph-cullmann/c4245_fix... by Xiaoyi Zhang <zhangxy988@gmail.com>
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- bc9101f9982391019521161a36179b52555ed212 Merge pull request #320 from christoph-cullmann/master by Xiaoyi Zhang <zhangxy988@gmail.com>
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- 27c30ec671cb7b5ba84c4e79feff7fd0b0ac6338 Avoid undefined behavior when nullptr is passed to memcpy... by Roman Gershman <romange@gmail.com>
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- 253eb7416421661873afbaa33828a850db978541 [CMake] Set correct flags for clang-cl (#278) by Loo Rong Jie <loorongjie@gmail.com>
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- c1cecb25a94c075725e9d2640f6b978a8f61957b Implement Span::first and Span::last from C++20 (#274) by Girts <girtsf@users.noreply.github.com>
- 38b704384cd2f17590b3922b97744be0b43622c9 Changed HTTP URLs to HTTPS where possible (#270) by nik7273 <nik8470@gmail.com>
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- 89ea0c5ff34aaa5855cfc7aa41f323b8a0ef0ede Merge pull request #255 from uilianries/hotfix/conan by ahedberg <ahedberg@google.com>
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- 6b4201f9ef650637510a21b8d6cbcc3bee4a606f Fix GCC8 warnings by Boris Staletic <boris.staletic@gmail.com>
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- 9449ae94397f2fd683851348e25ed8c93f75b3b9 Merge pull request #243 from ThomsonTan/FixIntrinsic by Alex Strelnikov <strel@google.com>
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- 3e2e9b5557e76d098de4b8a2a659125b98ca519b Merge pull request #231 from uilianries/feature/conan by Mark Barolak <mbxx@users.noreply.github.com>
- 111ca7060a6ff50115ca85b59f6b5d8c8c5e9105 Export of internal Abseil changes. by Abseil Team <absl-team@google.com>
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GitOrigin-RevId: 9ee91d3e430fb33a4590486573792eb0fa146c2d
Change-Id: Ia06e548bc106cc9d136f6c65714be6645317aced
Diffstat (limited to 'CMake/AbseilHelpers.cmake')
| -rw-r--r-- | CMake/AbseilHelpers.cmake | 228 |
1 files changed, 56 insertions, 172 deletions
diff --git a/CMake/AbseilHelpers.cmake b/CMake/AbseilHelpers.cmake index 5402bf51..58f98c8c 100644 --- a/CMake/AbseilHelpers.cmake +++ b/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, @@ -16,6 +16,7 @@ include(CMakeParseArguments) include(AbseilConfigureCopts) +include(AbseilInstallDirs) # The IDE folder for Abseil that will be used if Abseil is included in a CMake # project that sets @@ -23,53 +24,8 @@ include(AbseilConfigureCopts) # For example, Visual Studio supports folders. set(ABSL_IDE_FOLDER Abseil) +# 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 ${_NAME}) - endif() -endfunction() - # CMake function to imitate Bazel's cc_library rule. # # Parameters: @@ -80,13 +36,13 @@ endfunction() # COPTS: List of private compile options # DEFINES: List of public defines # LINKOPTS: List of link options -# PUBLIC: Add this so that this library will be exported under absl:: (see Note). +# PUBLIC: Add this so that this library will be exported under absl:: # Also in IDE, target will appear in Abseil folder while non PUBLIC will be in Abseil/internal. # TESTONLY: When added, this target will only be built if user passes -DABSL_RUN_TESTS=ON to CMake. # # Note: -# By default, absl_cc_library will always create a library named absl_internal_${NAME}, -# and alias target absl::${NAME}. +# By default, absl_cc_library will always create a library named absl_${NAME}, +# and alias target absl::${NAME}. The absl:: form should always be used. # This is to reduce namespace pollution. # # absl_cc_library( @@ -103,21 +59,18 @@ endfunction() # SRCS # "b.cc" # DEPS -# absl_internal_awesome # not "awesome"! +# absl::awesome # not "awesome" ! +# PUBLIC # ) # -# If PUBLIC is set, absl_cc_library will instead create a target named -# absl_${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 @@ -127,15 +80,24 @@ 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}") + if(NOT ABSL_CC_LIB_TESTONLY OR ABSL_RUN_TESTS) + if(ABSL_ENABLE_INSTALL) + set(_NAME "${ABSL_CC_LIB_NAME}") else() - set(_NAME "absl_internal_${ABSL_CC_LIB_NAME}") + set(_NAME "absl_${ABSL_CC_LIB_NAME}") endif() # Check if this is a header-only library - if ("${ABSL_CC_LIB_SRCS}" STREQUAL "") + # 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) @@ -145,12 +107,17 @@ function(absl_cc_library) 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}) + PUBLIC + $<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}> + $<INSTALL_INTERFACE:${ABSL_INSTALL_INCLUDEDIR}> + ) target_compile_options(${_NAME} PRIVATE ${ABSL_CC_LIB_COPTS}) target_link_libraries(${_NAME} PUBLIC ${ABSL_CC_LIB_DEPS} - PRIVATE ${ABSL_CC_LIB_LINKOPTS} + PRIVATE + ${ABSL_CC_LIB_LINKOPTS} + ${ABSL_DEFAULT_LINKOPTS} ) target_compile_definitions(${_NAME} PUBLIC ${ABSL_CC_LIB_DEFINES}) @@ -166,17 +133,40 @@ function(absl_cc_library) # INTERFACE libraries can't have the CXX_STANDARD property set set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD}) set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON) + + # When being installed, we lose the absl_ prefix. We want to put it back + # to have properly named lib files. This is a no-op when we are not being + # installed. + set_target_properties(${_NAME} PROPERTIES + OUTPUT_NAME "absl_${_NAME}" + ) else() # Generating header-only library add_library(${_NAME} INTERFACE) target_include_directories(${_NAME} - INTERFACE ${ABSL_COMMON_INCLUDE_DIRS}) + INTERFACE + $<BUILD_INTERFACE:${ABSL_COMMON_INCLUDE_DIRS}> + $<INSTALL_INTERFACE:${ABSL_INSTALL_INCLUDEDIR}> + ) target_link_libraries(${_NAME} - INTERFACE ${ABSL_CC_LIB_DEPS} ${ABSL_CC_LIB_LINKOPTS} + 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 ${ABSL_INSTALL_BINDIR} + LIBRARY DESTINATION ${ABSL_INSTALL_LIBDIR} + ARCHIVE DESTINATION ${ABSL_INSTALL_LIBDIR} + ) + endif() + add_library(absl::${ABSL_CC_LIB_NAME} ALIAS ${_NAME}) endif() endfunction() @@ -256,116 +246,10 @@ 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() |