1 # Define the fmt library, its includes and the needed defines. 2 # *.cc are added to FMT_HEADERS for the header-only configuration. 3 set(FMT_HEADERS format.h format.cc ostream.h ostream.cc printf.h printf.cc 4 string.h time.h) 5 if (HAVE_OPEN) 6 set(FMT_HEADERS ${FMT_HEADERS} posix.h) 7 set(FMT_SOURCES ${FMT_SOURCES} posix.cc) 8 endif () 9 10 add_library(fmt ${FMT_SOURCES} ${FMT_HEADERS} ../README.rst ../ChangeLog.rst) 11 12 option(FMT_CPPFORMAT "Build cppformat library for backward compatibility." OFF) 13 if (FMT_CPPFORMAT) 14 message(WARNING "The cppformat library is deprecated, use fmt instead.") 15 add_library(cppformat ${FMT_SOURCES} ${FMT_HEADERS}) 16 endif () 17 18 # Starting with cmake 3.1 the CXX_STANDARD property can be used instead. 19 target_compile_options(fmt PUBLIC ${CPP11_FLAG}) 20 if (FMT_PEDANTIC) 21 target_compile_options(fmt PRIVATE ${PEDANTIC_COMPILE_FLAGS}) 22 endif () 23 24 target_include_directories(fmt PUBLIC 25 $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}> 26 $<INSTALL_INTERFACE:include>) 27 28 set_target_properties(fmt PROPERTIES 29 VERSION ${FMT_VERSION} SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR}) 30 31 if (BUILD_SHARED_LIBS) 32 if (UNIX AND NOT APPLE) 33 # Fix rpmlint warning: 34 # unused-direct-shlib-dependency /usr/lib/libformat.so.1.1.0 /lib/libm.so.6. 35 target_link_libraries(fmt -Wl,--as-needed) 36 endif () 37 target_compile_definitions(fmt PRIVATE FMT_EXPORT INTERFACE FMT_SHARED) 38 endif () 39 40 #------------------------------------------------------------------------------ 41 # additionally define a header only library when cmake is new enough 42 if (CMAKE_VERSION VERSION_GREATER 3.1.0 OR CMAKE_VERSION VERSION_EQUAL 3.1.0) 43 add_library(fmt-header-only INTERFACE) 44 45 target_compile_definitions(fmt-header-only INTERFACE FMT_HEADER_ONLY=1) 46 47 target_include_directories(fmt-header-only INTERFACE 48 $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}> 49 $<INSTALL_INTERFACE:include>) 50 endif () 51 52 # Install targets. 53 if (FMT_INSTALL) 54 include(CMakePackageConfigHelpers) 55 set(FMT_CMAKE_DIR lib/cmake/fmt CACHE STRING 56 "Installation directory for cmake files, relative to ${CMAKE_INSTALL_PREFIX}.") 57 set(version_config ${PROJECT_BINARY_DIR}/fmt-config-version.cmake) 58 set(project_config ${PROJECT_BINARY_DIR}/fmt-config.cmake) 59 set(targets_export_name fmt-targets) 60 61 set (INSTALL_TARGETS fmt) 62 if (TARGET fmt-header-only) 63 set(INSTALL_TARGETS ${INSTALL_TARGETS} fmt-header-only) 64 endif () 65 66 set(FMT_LIB_DIR lib CACHE STRING 67 "Installation directory for libraries, relative to ${CMAKE_INSTALL_PREFIX}.") 68 69 # Generate the version, config and target files into the build directory. 70 write_basic_package_version_file( 71 ${version_config} 72 VERSION ${FMT_VERSION} 73 COMPATIBILITY AnyNewerVersion) 74 configure_package_config_file( 75 ${PROJECT_SOURCE_DIR}/support/cmake/fmt-config.cmake.in 76 ${project_config} 77 INSTALL_DESTINATION ${FMT_CMAKE_DIR}) 78 export(TARGETS ${INSTALL_TARGETS} 79 FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake) 80 81 # Install version, config and target files. 82 install( 83 FILES ${project_config} ${version_config} 84 DESTINATION ${FMT_CMAKE_DIR}) 85 install(EXPORT ${targets_export_name} DESTINATION ${FMT_CMAKE_DIR}) 86 87 # Install the library and headers. 88 install(TARGETS ${INSTALL_TARGETS} EXPORT ${targets_export_name} 89 DESTINATION ${FMT_LIB_DIR}) 90 install(FILES ${FMT_HEADERS} DESTINATION include/fmt) 91 if (FMT_CPPFORMAT) 92 install(TARGETS cppformat DESTINATION ${FMT_LIB_DIR}) 93 endif () 94 endif () 95
