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# Copyright(c) 2019 spdlog authors
# Distributed under the MIT License (http://opensource.org/licenses/MIT)
cmake_minimum_required(VERSION 3.2)
#---------------------------------------------------------------------------------------
# Start spdlog project
#---------------------------------------------------------------------------------------
include(GNUInstallDirs)
include(cmake/utils.cmake)
include(cmake/ide.cmake)
spdlog_extract_version()
#---------------------------------------------------------------------------------------
# Set default build to release
#---------------------------------------------------------------------------------------
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose Release or Debug" FORCE)
endif()
project(spdlog VERSION ${SPDLOG_VERSION} LANGUAGES CXX)
message(STATUS "Build spdlog: ${SPDLOG_VERSION}")
#---------------------------------------------------------------------------------------
# Compiler config
#---------------------------------------------------------------------------------------
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
#---------------------------------------------------------------------------------------
# Set SPDLOG_MASTER_PROJECT to ON if we are building spdlog
#---------------------------------------------------------------------------------------
# Check if spdlog is being used directly or via add_subdirectory, but allow overriding
if (NOT DEFINED SPDLOG_MASTER_PROJECT)
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(SPDLOG_MASTER_PROJECT ON)
else()
set(SPDLOG_MASTER_PROJECT OFF)
endif()
endif ()
# example options
option(SPDLOG_BUILD_EXAMPLE "Build example" ${SPDLOG_MASTER_PROJECT})
option(SPDLOG_BUILD_EXAMPLE_HO "Build header only example" OFF)
# testing options
option(SPDLOG_BUILD_TESTS "Build tests" ${SPDLOG_MASTER_PROJECT})
option(SPDLOG_BUILD_TESTS_HO "Build tests using the header only version" OFF)
# bench options
option(SPDLOG_BUILD_BENCH "Build benchmarks (Requires https://github.com/google/benchmark.git to be installed)" OFF)
# sanitizer options
option(SPDLOG_SANITIZE_ADDRESS "Enable address sanitizer in tests" OFF)
# install options
option(SPDLOG_INSTALL "Generate the install target." ${SPDLOG_MASTER_PROJECT})
option(SPDLOG_FMT_EXTERNAL "Use external fmt library instead of bundled" OFF)
find_package(Threads REQUIRED)
message(STATUS "Build type: " ${CMAKE_BUILD_TYPE})
#---------------------------------------------------------------------------------------
# Static/Shared library (shared not supported in windows yet)
#---------------------------------------------------------------------------------------
if (BUILD_SHARED_LIBS AND WIN32)
message(WARNING "shared libs is not supported in spdlog - building static instead")
add_library(spdlog STATIC src/spdlog.cpp ${SPDLOG_ALL_HEADERS})
else()
add_library(spdlog src/spdlog.cpp ${SPDLOG_ALL_HEADERS})
endif()
add_library(spdlog::spdlog ALIAS spdlog)
target_compile_definitions(spdlog PUBLIC SPDLOG_COMPILED_LIB)
target_include_directories(spdlog PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
target_link_libraries(spdlog PUBLIC Threads::Threads)
spdlog_enable_warnings(spdlog)
#---------------------------------------------------------------------------------------
# Header only version
#---------------------------------------------------------------------------------------
add_library(spdlog_header_only INTERFACE)
add_library(spdlog::spdlog_header_only ALIAS spdlog_header_only)
target_include_directories(spdlog_header_only INTERFACE
"$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>")
target_link_libraries(spdlog_header_only INTERFACE Threads::Threads)
#---------------------------------------------------------------------------------------
# Use fmt package if using exertnal fmt
#---------------------------------------------------------------------------------------
if(SPDLOG_FMT_EXTERNAL)
if (NOT TARGET fmt::fmt)
find_package(fmt REQUIRED)
endif ()
target_compile_definitions(spdlog PUBLIC SPDLOG_FMT_EXTERNAL)
target_link_libraries(spdlog PUBLIC fmt::fmt)
target_compile_definitions(spdlog_header_only INTERFACE SPDLOG_FMT_EXTERNAL)
target_link_libraries(spdlog_header_only INTERFACE fmt::fmt)
endif()
#---------------------------------------------------------------------------------------
# Build binaries
#---------------------------------------------------------------------------------------
if(SPDLOG_BUILD_EXAMPLE OR SPDLOG_BUILD_EXAMPLE_HO)
message(STATUS "Generating examples")
add_subdirectory(example)
endif()
if(SPDLOG_BUILD_TESTS OR SPDLOG_BUILD_TESTS_HO)
message(STATUS "Generating tests")
include(CTest)
add_subdirectory(tests)
endif()
if(SPDLOG_BUILD_BENCH)
message(STATUS "Generating benchmarks")
add_subdirectory(bench)
endif()
#---------------------------------------------------------------------------------------
# Install
#---------------------------------------------------------------------------------------
if (SPDLOG_INSTALL)
message(STATUS "Generating install")
set(project_config_in "${CMAKE_CURRENT_LIST_DIR}/cmake/spdlogConfig.cmake.in")
set(project_config_out "${CMAKE_CURRENT_BINARY_DIR}/spdlogConfig.cmake")
set(config_targets_file "spdlogConfigTargets.cmake")
set(version_config_file "${CMAKE_CURRENT_BINARY_DIR}/spdlogConfigVersion.cmake")
set(export_dest_dir "${CMAKE_INSTALL_LIBDIR}/spdlog/cmake")
#---------------------------------------------------------------------------------------
# Include files
#---------------------------------------------------------------------------------------
install(DIRECTORY include/ DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
install(TARGETS spdlog spdlog_header_only EXPORT spdlog DESTINATION "${CMAKE_INSTALL_LIBDIR}/spdlog")
#---------------------------------------------------------------------------------------
# Package and version files
#---------------------------------------------------------------------------------------
install(EXPORT spdlog
DESTINATION ${export_dest_dir}
NAMESPACE spdlog::
FILE ${config_targets_file})
include(CMakePackageConfigHelpers)
configure_file("${project_config_in}" "${project_config_out}" @ONLY)
write_basic_package_version_file("${version_config_file}" COMPATIBILITY SameMajorVersion)
install(FILES
"${project_config_out}"
"${version_config_file}" DESTINATION "${export_dest_dir}")
#---------------------------------------------------------------------------------------
# Support creation of installable packages
#---------------------------------------------------------------------------------------
include(cmake/spdlogCPack.cmake)
endif ()
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