mirror of
https://github.com/oxen-io/lokinet.git
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372 lines
11 KiB
CMake
372 lines
11 KiB
CMake
#
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# Copyright 2017 The Abseil Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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include(CMakeParseArguments)
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include(AbseilConfigureCopts)
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# The IDE folder for Abseil that will be used if Abseil is included in a CMake
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# project that sets
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# set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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# For example, Visual Studio supports folders.
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set(ABSL_IDE_FOLDER Abseil)
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#
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# create a library in the absl namespace
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#
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# parameters
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# SOURCES : sources files for the library
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# PUBLIC_LIBRARIES: targets and flags for linking phase
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# PRIVATE_COMPILE_FLAGS: compile flags for the library. Will not be exported.
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# EXPORT_NAME: export name for the absl:: target export
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# TARGET: target name
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#
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# create a target associated to <NAME>
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# libraries are installed under CMAKE_INSTALL_FULL_LIBDIR by default
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#
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function(absl_library)
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cmake_parse_arguments(ABSL_LIB
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"DISABLE_INSTALL" # keep that in case we want to support installation one day
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"TARGET;EXPORT_NAME"
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"SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS"
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${ARGN}
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)
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set(_NAME ${ABSL_LIB_TARGET})
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string(TOUPPER ${_NAME} _UPPER_NAME)
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add_library(${_NAME} STATIC ${ABSL_LIB_SOURCES})
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target_compile_options(${_NAME}
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PRIVATE
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${ABSL_LIB_PRIVATE_COMPILE_FLAGS}
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${ABSL_DEFAULT_COPTS}
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)
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target_link_libraries(${_NAME} PUBLIC ${ABSL_LIB_PUBLIC_LIBRARIES})
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target_include_directories(${_NAME}
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PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_LIB_PUBLIC_INCLUDE_DIRS}
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PRIVATE ${ABSL_LIB_PRIVATE_INCLUDE_DIRS}
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)
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# Add all Abseil targets to a a folder in the IDE for organization.
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set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
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if(ABSL_LIB_EXPORT_NAME)
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add_library(absl::${ABSL_LIB_EXPORT_NAME} ALIAS ${_NAME})
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endif()
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endfunction()
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# CMake function to imitate Bazel's cc_library rule.
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#
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# Parameters:
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# NAME: name of target (see Note)
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# HDRS: List of public header files for the library
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# SRCS: List of source files for the library
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# DEPS: List of other libraries to be linked in to the binary targets
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# COPTS: List of private compile options
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# DEFINES: List of public defines
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# LINKOPTS: List of link options
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# PUBLIC: Add this so that this library will be exported under absl:: (see Note).
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# Also in IDE, target will appear in Abseil folder while non PUBLIC will be in Abseil/internal.
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# TESTONLY: When added, this target will only be built if user passes -DABSL_RUN_TESTS=ON to CMake.
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#
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# Note:
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# By default, absl_cc_library will always create a library named absl_internal_${NAME},
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# and alias target absl::${NAME}.
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# This is to reduce namespace pollution.
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#
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# absl_cc_library(
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# NAME
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# awesome
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# HDRS
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# "a.h"
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# SRCS
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# "a.cc"
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# )
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# absl_cc_library(
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# NAME
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# fantastic_lib
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# SRCS
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# "b.cc"
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# DEPS
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# absl_internal_awesome # not "awesome"!
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# )
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#
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# If PUBLIC is set, absl_cc_library will instead create a target named
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# absl_${NAME} and still an alias absl::${NAME}.
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#
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# absl_cc_library(
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# NAME
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# main_lib
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# ...
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# PUBLIC
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# )
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#
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# User can then use the library as absl::main_lib (although absl_main_lib is defined too).
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#
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# TODO: Implement "ALWAYSLINK"
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function(absl_cc_library)
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cmake_parse_arguments(ABSL_CC_LIB
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"DISABLE_INSTALL;PUBLIC;TESTONLY"
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"NAME"
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"HDRS;SRCS;COPTS;DEFINES;LINKOPTS;DEPS"
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${ARGN}
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)
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if (NOT ABSL_CC_LIB_TESTONLY OR ABSL_RUN_TESTS)
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if (ABSL_CC_LIB_PUBLIC)
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set(_NAME "absl_${ABSL_CC_LIB_NAME}")
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else()
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set(_NAME "absl_internal_${ABSL_CC_LIB_NAME}")
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endif()
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# Check if this is a header-only library
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if ("${ABSL_CC_LIB_SRCS}" STREQUAL "")
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set(ABSL_CC_LIB_IS_INTERFACE 1)
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else()
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set(ABSL_CC_LIB_IS_INTERFACE 0)
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endif()
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if(NOT ABSL_CC_LIB_IS_INTERFACE)
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add_library(${_NAME} STATIC "")
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target_sources(${_NAME} PRIVATE ${ABSL_CC_LIB_SRCS} ${ABSL_CC_LIB_HDRS})
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target_include_directories(${_NAME}
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PUBLIC ${ABSL_COMMON_INCLUDE_DIRS})
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target_compile_options(${_NAME}
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PRIVATE ${ABSL_CC_LIB_COPTS})
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target_link_libraries(${_NAME}
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PUBLIC ${ABSL_CC_LIB_DEPS}
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PRIVATE ${ABSL_CC_LIB_LINKOPTS}
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)
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target_compile_definitions(${_NAME} PUBLIC ${ABSL_CC_LIB_DEFINES})
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# Add all Abseil targets to a a folder in the IDE for organization.
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if(ABSL_CC_LIB_PUBLIC)
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set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
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elseif(ABSL_CC_LIB_TESTONLY)
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set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test)
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else()
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set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/internal)
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endif()
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# INTERFACE libraries can't have the CXX_STANDARD property set
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
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else()
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# Generating header-only library
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add_library(${_NAME} INTERFACE)
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target_include_directories(${_NAME}
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INTERFACE ${ABSL_COMMON_INCLUDE_DIRS})
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target_link_libraries(${_NAME}
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INTERFACE ${ABSL_CC_LIB_DEPS} ${ABSL_CC_LIB_LINKOPTS}
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)
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target_compile_definitions(${_NAME} INTERFACE ${ABSL_CC_LIB_DEFINES})
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endif()
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add_library(absl::${ABSL_CC_LIB_NAME} ALIAS ${_NAME})
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endif()
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endfunction()
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# absl_cc_test()
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#
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# CMake function to imitate Bazel's cc_test rule.
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#
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# Parameters:
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# NAME: name of target (see Usage below)
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# SRCS: List of source files for the binary
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# DEPS: List of other libraries to be linked in to the binary targets
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# COPTS: List of private compile options
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# DEFINES: List of public defines
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# LINKOPTS: List of link options
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#
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# Note:
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# By default, absl_cc_test will always create a binary named absl_${NAME}.
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# This will also add it to ctest list as absl_${NAME}.
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#
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# Usage:
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# absl_cc_library(
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# NAME
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# awesome
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# HDRS
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# "a.h"
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# SRCS
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# "a.cc"
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# PUBLIC
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# )
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#
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# absl_cc_test(
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# NAME
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# awesome_test
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# SRCS
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# "awesome_test.cc"
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# DEPS
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# absl::awesome
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# gmock
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# gtest_main
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# )
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function(absl_cc_test)
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if(NOT ABSL_RUN_TESTS)
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return()
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endif()
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cmake_parse_arguments(ABSL_CC_TEST
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""
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"NAME"
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"SRCS;COPTS;DEFINES;LINKOPTS;DEPS"
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${ARGN}
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)
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set(_NAME "absl_${ABSL_CC_TEST_NAME}")
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add_executable(${_NAME} "")
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target_sources(${_NAME} PRIVATE ${ABSL_CC_TEST_SRCS})
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target_include_directories(${_NAME}
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PUBLIC ${ABSL_COMMON_INCLUDE_DIRS}
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PRIVATE ${GMOCK_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS}
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)
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target_compile_definitions(${_NAME}
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PUBLIC ${ABSL_CC_TEST_DEFINES}
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)
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target_compile_options(${_NAME}
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PRIVATE ${ABSL_CC_TEST_COPTS}
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)
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target_link_libraries(${_NAME}
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PUBLIC ${ABSL_CC_TEST_DEPS}
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PRIVATE ${ABSL_CC_TEST_LINKOPTS}
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)
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# Add all Abseil targets to a a folder in the IDE for organization.
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set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER}/test)
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
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add_test(NAME ${_NAME} COMMAND ${_NAME})
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endfunction()
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#
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# header only virtual target creation
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#
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function(absl_header_library)
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cmake_parse_arguments(ABSL_HO_LIB
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"DISABLE_INSTALL"
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"EXPORT_NAME;TARGET"
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"PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS;PRIVATE_INCLUDE_DIRS"
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${ARGN}
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)
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set(_NAME ${ABSL_HO_LIB_TARGET})
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set(__dummy_header_only_lib_file "${CMAKE_CURRENT_BINARY_DIR}/${_NAME}_header_only_dummy.cc")
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if(NOT EXISTS ${__dummy_header_only_lib_file})
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file(WRITE ${__dummy_header_only_lib_file}
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"/* generated file for header-only cmake target */
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namespace absl {
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// single meaningless symbol
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void ${_NAME}__header_fakesym() {}
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} // namespace absl
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"
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)
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endif()
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add_library(${_NAME} ${__dummy_header_only_lib_file})
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target_link_libraries(${_NAME} PUBLIC ${ABSL_HO_LIB_PUBLIC_LIBRARIES})
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target_include_directories(${_NAME}
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PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_HO_LIB_PUBLIC_INCLUDE_DIRS}
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PRIVATE ${ABSL_HO_LIB_PRIVATE_INCLUDE_DIRS}
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)
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# Add all Abseil targets to a a folder in the IDE for organization.
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set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
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if(ABSL_HO_LIB_EXPORT_NAME)
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add_library(absl::${ABSL_HO_LIB_EXPORT_NAME} ALIAS ${_NAME})
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endif()
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endfunction()
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#
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# create an abseil unit_test and add it to the executed test list
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#
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# parameters
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# TARGET: target name prefix
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# SOURCES: sources files for the tests
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# PUBLIC_LIBRARIES: targets and flags for linking phase.
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# PRIVATE_COMPILE_FLAGS: compile flags for the test. Will not be exported.
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#
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# create a target associated to <NAME>_bin
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#
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# all tests will be register for execution with add_test()
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#
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# test compilation and execution is disable when ABSL_RUN_TESTS=OFF
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#
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function(absl_test)
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cmake_parse_arguments(ABSL_TEST
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""
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"TARGET"
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"SOURCES;PUBLIC_LIBRARIES;PRIVATE_COMPILE_FLAGS;PUBLIC_INCLUDE_DIRS"
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${ARGN}
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)
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if(ABSL_RUN_TESTS)
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set(_NAME "absl_${ABSL_TEST_TARGET}")
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string(TOUPPER ${_NAME} _UPPER_NAME)
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add_executable(${_NAME} ${ABSL_TEST_SOURCES})
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target_compile_options(${_NAME}
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PRIVATE
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${ABSL_TEST_PRIVATE_COMPILE_FLAGS}
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${ABSL_TEST_COPTS}
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)
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target_link_libraries(${_NAME} PUBLIC ${ABSL_TEST_PUBLIC_LIBRARIES} ${ABSL_TEST_COMMON_LIBRARIES})
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target_include_directories(${_NAME}
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PUBLIC ${ABSL_COMMON_INCLUDE_DIRS} ${ABSL_TEST_PUBLIC_INCLUDE_DIRS}
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PRIVATE ${GMOCK_INCLUDE_DIRS} ${GTEST_INCLUDE_DIRS}
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)
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# Add all Abseil targets to a a folder in the IDE for organization.
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set_property(TARGET ${_NAME} PROPERTY FOLDER ${ABSL_IDE_FOLDER})
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD ${ABSL_CXX_STANDARD})
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set_property(TARGET ${_NAME} PROPERTY CXX_STANDARD_REQUIRED ON)
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add_test(NAME ${_NAME} COMMAND ${_NAME})
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endif(ABSL_RUN_TESTS)
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endfunction()
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function(check_target my_target)
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if(NOT TARGET ${my_target})
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message(FATAL_ERROR " ABSL: compiling absl requires a ${my_target} CMake target in your project,
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see CMake/README.md for more details")
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endif(NOT TARGET ${my_target})
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endfunction()
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