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https://github.com/fmtlib/fmt.git
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define cppformat cmake targets with proper interface definitions
This commit is contained in:
Mario Werner
parent
0fb474be3a
commit
b52d0bd9d4
100
CMakeLists.txt
100
CMakeLists.txt
@ -19,16 +19,30 @@ option(FMT_TEST "Generate the test target." ON)
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project(FORMAT)
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# starting with cmake 3.0 VERSION is part of the project command
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set(CPPFORMAT_VERSION 2.1.0)
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if (NOT CPPFORMAT_VERSION MATCHES "^([0-9]+).([0-9]+).([0-9]+)$")
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message(FATAL_ERROR "Invalid version format ${CPPFORMAT_VERSION}.")
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endif ()
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set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
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set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
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set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
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message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
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set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}
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"${CMAKE_CURRENT_SOURCE_DIR}/support/cmake")
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include(testCxx11)
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if (CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang"))
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set(PEDANTIC_COMPILE_FLAGS -Wall -Wextra -Wshadow -pedantic)
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elseif (MSVC)
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set(PEDANTIC_COMPILE_FLAGS /W4)
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endif ()
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if (CMAKE_GENERATOR MATCHES "Visual Studio")
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# If Microsoft SDK is installed create script run-msbuild.bat that
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# calls SetEnv.cmd to to set up build environment and runs msbuild.
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@ -45,63 +59,62 @@ if (CMAKE_GENERATOR MATCHES "Visual Studio")
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${CMAKE_MAKE_PROGRAM} -p:FrameworkPathOverride=\"${netfxpath}\" %*")
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endif ()
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set(FMT_SOURCES cppformat/format.cc cppformat/format.h)
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include(CheckSymbolExists)
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if (WIN32)
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check_symbol_exists(open io.h HAVE_OPEN)
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else ()
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check_symbol_exists(open fcntl.h HAVE_OPEN)
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endif ()
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if (HAVE_OPEN)
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add_definitions(-DFMT_USE_FILE_DESCRIPTORS=1)
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set(FMT_SOURCES ${FMT_SOURCES} cppformat/posix.cc cppformat/posix.h)
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endif ()
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if (CPP11_FLAG)
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set(CMAKE_REQUIRED_FLAGS ${CPP11_FLAG})
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endif ()
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if (BIICODE)
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include(support/cmake/biicode.cmake)
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return()
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endif ()
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#------------------------------------------------------------------------------
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# define the cppformat library, its includes and the needed defines
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set(FMT_SOURCES cppformat/format.cc cppformat/format.h)
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if (HAVE_OPEN)
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set(FMT_SOURCES ${FMT_SOURCES} cppformat/posix.cc cppformat/posix.h)
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endif ()
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add_library(cppformat ${FMT_SOURCES})
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target_compile_options(cppformat PUBLIC ${CPP11_FLAG}) # starting with cmake 3.1 the CXX_STANDARD property can be used
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if (FMT_PEDANTIC)
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target_compile_options(cppformat PRIVATE ${PEDANTIC_COMPILE_FLAGS})
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endif ()
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target_compile_definitions(cppformat INTERFACE
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FMT_USE_FILE_DESCRIPTORS=$<BOOL:${HAVE_OPEN}>)
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target_include_directories(cppformat INTERFACE
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
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$<INSTALL_INTERFACE:include>)
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set_target_properties(cppformat PROPERTIES
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VERSION ${CPPFORMAT_VERSION} SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR})
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if (BUILD_SHARED_LIBS)
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if (UNIX AND NOT APPLE)
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# Fix rpmlint warning:
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# unused-direct-shlib-dependency /usr/lib/libformat.so.1.1.0 /lib/libm.so.6.
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target_link_libraries(cppformat -Wl,--as-needed)
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endif ()
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set(FMT_EXTRA_COMPILE_FLAGS -DFMT_EXPORT)
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target_compile_definitions(cppformat PRIVATE FMT_EXPORT INTERFACE FMT_SHARED)
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endif ()
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if (FMT_PEDANTIC AND
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(CMAKE_COMPILER_IS_GNUCXX OR (CMAKE_CXX_COMPILER_ID MATCHES "Clang")))
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set(FMT_EXTRA_COMPILE_FLAGS
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"${FMT_EXTRA_COMPILE_FLAGS} -Wall -Wextra -Wshadow -pedantic")
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endif ()
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#------------------------------------------------------------------------------
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# additionally define a header only library when cmake is new enough
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if (CMAKE_VERSION VERSION_GREATER 3.1.0 OR CMAKE_VERSION VERSION_EQUAL 3.1.0)
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add_library(cppformat-header-only INTERFACE)
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# If FMT_PEDANTIC is TRUE, then test compilation with both -std=c++11
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# and the default flags. Otherwise use only the default flags.
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# The library is distributed in the source form and users have full control
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# over compile options, so the options used here only matter for testing.
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if (CPP11_FLAG AND FMT_PEDANTIC)
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set(FMT_EXTRA_COMPILE_FLAGS "${FMT_EXTRA_COMPILE_FLAGS} ${CPP11_FLAG}")
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set(FMT_TEST_DEFAULT_FLAGS TRUE)
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endif ()
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target_compile_definitions(cppformat-header-only INTERFACE FMT_HEADER_ONLY=1)
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set_target_properties(cppformat
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PROPERTIES COMPILE_FLAGS "${FMT_EXTRA_COMPILE_FLAGS}")
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set(CPPFORMAT_VERSION 2.1.0)
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if (NOT CPPFORMAT_VERSION MATCHES "^([0-9]+).([0-9]+).([0-9]+)$")
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message(FATAL_ERROR "Invalid version format ${CPPFORMAT_VERSION}.")
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target_include_directories(cppformat-header-only INTERFACE
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$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
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$<INSTALL_INTERFACE:include>)
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endif ()
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set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
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set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
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set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
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if (FMT_DOC)
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add_subdirectory(doc)
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@ -112,10 +125,9 @@ if (FMT_TEST)
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add_subdirectory(test)
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endif ()
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set_target_properties(cppformat PROPERTIES
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VERSION ${CPPFORMAT_VERSION} SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR})
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set(gitignore ${CMAKE_CURRENT_SOURCE_DIR}/.gitignore)
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set(gitignore ${PROJECT_SOURCE_DIR}/.gitignore)
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if (EXISTS ${gitignore})
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# Get the list of ignored files from .gitignore.
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file (STRINGS ${gitignore} lines)
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@ -132,7 +144,7 @@ if (EXISTS ${gitignore})
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set(CPACK_SOURCE_IGNORE_FILES ${ignored_files})
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set(CPACK_SOURCE_PACKAGE_FILE_NAME cppformat-${CPPFORMAT_VERSION})
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set(CPACK_PACKAGE_NAME cppformat)
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set(CPACK_RESOURCE_FILE_README ${FORMAT_SOURCE_DIR}/README.rst)
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set(CPACK_RESOURCE_FILE_README ${PROJECT_SOURCE_DIR}/README.rst)
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include(CPack)
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endif ()
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@ -147,12 +159,6 @@ if (FMT_INSTALL)
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set(FMT_LIB_DIR lib CACHE STRING
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"Installation directory for libraries, relative to ${CMAKE_INSTALL_PREFIX}.")
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# Add the include directories for both build and install tree.
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target_include_directories(
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cppformat PUBLIC
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
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$<INSTALL_INTERFACE:include>)
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# Generate the version, config and target files into the build directory.
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write_basic_package_version_file(
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${version_config}
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@ -162,7 +168,11 @@ if (FMT_INSTALL)
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support/cmake/cppformat-config.cmake.in
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${project_config}
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INSTALL_DESTINATION ${config_install_dir})
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export(TARGETS cppformat FILE ${targets_export_name}.cmake)
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set(CPPFORMAT_LIBRARY_TARGETS cppformat)
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if (TARGET cppformat-header-only)
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set(CPPFORMAT_LIBRARY_TARGETS ${CPPFORMAT_LIBRARY_TARGETS} cppformat-header-only)
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endif ()
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export(TARGETS ${CPPFORMAT_LIBRARY_TARGETS} FILE ${targets_export_name}.cmake)
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# Install version, config and target files.
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install(
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@ -102,6 +102,8 @@ target_link_libraries(macro-test gmock)
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if (HAVE_OPEN)
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add_executable(posix-mock-test posix-mock-test.cc ../cppformat/format.cc ${TEST_MAIN_SRC})
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target_include_directories(posix-mock-test PRIVATE ${PROJECT_SOURCE_DIR})
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target_compile_definitions(posix-mock-test PRIVATE FMT_USE_FILE_DESCRIPTORS=1)
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target_link_libraries(posix-mock-test gmock)
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add_test(NAME posix-mock-test COMMAND posix-mock-test)
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add_fmt_test(posix-test)
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@ -109,9 +111,13 @@ endif ()
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add_executable(header-only-test
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header-only-test.cc header-only-test2.cc test-main.cc)
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set_target_properties(header-only-test
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PROPERTIES COMPILE_DEFINITIONS "FMT_HEADER_ONLY=1")
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target_link_libraries(header-only-test gmock)
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if (TARGET cppformat-header-only)
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target_link_libraries(header-only-test cppformat-header-only)
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else ()
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target_include_directories(header-only-test PRIVATE ${PROJECT_SOURCE_DIR})
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target_compile_definitions(header-only-test PRIVATE FMT_HEADER_ONLY=1)
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endif ()
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# Test that the library can be compiled with exceptions disabled.
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check_cxx_compiler_flag(-fno-exceptions HAVE_FNO_EXCEPTIONS_FLAG)
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@ -121,15 +127,6 @@ if (HAVE_FNO_EXCEPTIONS_FLAG)
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PROPERTIES COMPILE_FLAGS -fno-exceptions)
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endif ()
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# Test compilation with default flags.
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if (FMT_TEST_DEFAULT_FLAGS)
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file(GLOB src RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} *.cc *.h)
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foreach (s ${FMT_SOURCES})
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set(src ${src} ../${s})
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endforeach ()
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add_library(testformat STATIC ${src})
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endif ()
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if (FMT_PEDANTIC)
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add_test(compile-test ${CMAKE_CTEST_COMMAND}
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--build-and-test
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