fmt/cppformat/CMakeLists.txt

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# Define the cppformat library, its includes and the needed defines.
# format.cc is added to FMT_HEADERS for the header-only configuration.
set(FMT_HEADERS format.h format.cc)
if (HAVE_OPEN)
set(FMT_HEADERS ${FMT_HEADERS} posix.h)
set(FMT_SOURCES ${FMT_SOURCES} posix.cc)
endif ()
add_library(cppformat ${FMT_SOURCES} ${FMT_HEADERS})
# Starting with cmake 3.1 the CXX_STANDARD property can be used instead.
target_compile_options(cppformat PUBLIC ${CPP11_FLAG})
if (FMT_PEDANTIC)
target_compile_options(cppformat PRIVATE ${PEDANTIC_COMPILE_FLAGS})
endif ()
target_include_directories(cppformat INTERFACE
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
$<INSTALL_INTERFACE:include>)
set_target_properties(cppformat PROPERTIES
VERSION ${CPPFORMAT_VERSION} SOVERSION ${CPACK_PACKAGE_VERSION_MAJOR})
if (BUILD_SHARED_LIBS)
if (UNIX AND NOT APPLE)
# Fix rpmlint warning:
# unused-direct-shlib-dependency /usr/lib/libformat.so.1.1.0 /lib/libm.so.6.
target_link_libraries(cppformat -Wl,--as-needed)
endif ()
target_compile_definitions(cppformat PRIVATE FMT_EXPORT INTERFACE FMT_SHARED)
endif ()
#------------------------------------------------------------------------------
# additionally define a header only library when cmake is new enough
if (CMAKE_VERSION VERSION_GREATER 3.1.0 OR CMAKE_VERSION VERSION_EQUAL 3.1.0)
add_library(cppformat-header-only INTERFACE)
target_compile_definitions(cppformat-header-only INTERFACE FMT_HEADER_ONLY=1)
target_include_directories(cppformat-header-only INTERFACE
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}>
$<INSTALL_INTERFACE:include>)
endif ()
# Install targets.
if (FMT_INSTALL)
include(CMakePackageConfigHelpers)
set(config_install_dir lib/cmake/cppformat)
set(version_config ${PROJECT_BINARY_DIR}/cppformat-config-version.cmake)
set(project_config ${PROJECT_BINARY_DIR}/cppformat-config.cmake)
set(targets_export_name cppformat-targets)
set (INSTALL_TARGETS cppformat)
if (TARGET cppformat-header-only)
set(INSTALL_TARGETS ${INSTALL_TARGETS} cppformat-header-only)
endif ()
set(FMT_LIB_DIR lib CACHE STRING
"Installation directory for libraries, relative to ${CMAKE_INSTALL_PREFIX}.")
# Generate the version, config and target files into the build directory.
write_basic_package_version_file(
${version_config}
VERSION ${CPPFORMAT_VERSION}
COMPATIBILITY AnyNewerVersion)
configure_package_config_file(
${PROJECT_SOURCE_DIR}/support/cmake/cppformat-config.cmake.in
${project_config}
INSTALL_DESTINATION ${config_install_dir})
export(TARGETS ${INSTALL_TARGETS} FILE ${PROJECT_BINARY_DIR}/${targets_export_name}.cmake)
# Install version, config and target files.
install(
FILES ${project_config} ${version_config}
DESTINATION ${config_install_dir})
install(EXPORT ${targets_export_name} DESTINATION ${config_install_dir})
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# Install the library and headers.
install(TARGETS ${INSTALL_TARGETS} EXPORT ${targets_export_name} DESTINATION ${FMT_LIB_DIR})
install(FILES ${FMT_HEADERS} DESTINATION include/cppformat)
endif ()