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Merge pull request #302 from slurps-mad-rips/modern-cmake

Modernize CMake
This commit is contained in:
Arseny Kapoulkine 2019-10-06 12:44:43 -07:00 committed by GitHub
commit fdd618f13a
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2 changed files with 197 additions and 100 deletions

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@ -1,116 +1,210 @@
cmake_minimum_required(VERSION 3.0)
cmake_minimum_required(VERSION 3.4)
project(pugixml VERSION 1.10 LANGUAGES CXX)
project(pugixml VERSION 1.10)
include(CMakePackageConfigHelpers)
include(CMakeDependentOption)
include(GNUInstallDirs)
include(CTest)
cmake_dependent_option(USE_VERSIONED_LIBDIR
"Use a private subdirectory to install the headers and libraries" OFF
"CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
cmake_dependent_option(USE_POSTFIX
"Use separate postfix for each configuration to make sure you can install multiple build outputs" OFF
"CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
cmake_dependent_option(STATIC_CRT
"Use static MSVC RT libraries" OFF
"MSVC" OFF)
cmake_dependent_option(BUILD_TESTS
"Build pugixml tests" OFF
"BUILD_TESTING;CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR" OFF)
option(BUILD_SHARED_AND_STATIC_LIBS "Build both shared and static libraries" OFF)
option(BUILD_SHARED_LIBS "Build shared instead of static library" OFF)
option(BUILD_TESTS "Build tests" OFF)
option(USE_VERSIONED_LIBDIR "Use a private subdirectory to install the headers and libs" OFF)
option(USE_POSTFIX "Use separate postfix for each configuration to make sure you can install multiple build outputs" OFF)
# Technically not needed for this file. This is builtin.
option(BUILD_SHARED_LIBS "Build shared instead of static library" OFF)
set(BUILD_DEFINES "" CACHE STRING "Build defines")
set(BUILD_DEFINES CACHE STRING "Build defines")
if(MSVC)
option(STATIC_CRT "Use static CRT libraries" OFF)
# Rewrite command line flags to use /MT if necessary
if(STATIC_CRT)
foreach(flag_var
CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)
if(${flag_var} MATCHES "/MD")
string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
endif(${flag_var} MATCHES "/MD")
endforeach(flag_var)
endif()
# This is used to backport a CMake 3.15 feature, but is also forwards compatible
if (NOT DEFINED CMAKE_MSVC_RUNTIME_LIBRARY)
set(CMAKE_MSVC_RUNTIME_LIBRARY
MultiThreaded$<$<CONFIG:Debug>:Debug>$<$<NOT:$<BOOL:${STATIC_CRT}>>:DLL>)
endif()
# Pre-defines standard install locations on *nix systems.
include(GNUInstallDirs)
mark_as_advanced(CLEAR CMAKE_INSTALL_LIBDIR CMAKE_INSTALL_INCLUDEDIR)
set(HEADERS src/pugixml.hpp src/pugiconfig.hpp)
set(SOURCES src/pugixml.cpp)
if(BUILD_SHARED_LIBS AND MSVC)
set(PUGIXML_WINDLL_SRCS scripts/pugixml_dll.rc)
if (NOT DEFINED CMAKE_CXX_STANDARD_REQUIRED)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
endif()
if(DEFINED BUILD_DEFINES)
foreach(DEFINE ${BUILD_DEFINES})
add_definitions("-D" ${DEFINE})
endforeach()
if (NOT DEFINED CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 11)
endif()
if(BUILD_SHARED_AND_STATIC_LIBS)
set(LIBRARY pugixml-static pugixml-shared)
if (USE_POSTFIX)
set(CMAKE_RELWITHDEBINFO_POSTFIX _r)
set(CMAKE_MINSIZEREL_POSTFIX _m)
set(CMAKE_DEBUG_POSTFIX _d)
endif()
if (CMAKE_VERSION VERSION_LESS 3.15)
set(msvc-rt $<TARGET_PROPERTY:MSVC_RUNTIME_LIBRARY>)
set(msvc-rt-mtd-shared $<STREQUAL:${msvc-rt},MultiThreadedDebugDLL>)
set(msvc-rt-mtd-static $<STREQUAL:${msvc-rt},MultiThreadedDebug>)
set(msvc-rt-mt-shared $<STREQUAL:${msvc-rt},MultiThreadedDLL>)
set(msvc-rt-mt-static $<STREQUAL:${msvc-rt},MultiThreaded>)
unset(msvc-rt)
set(msvc-rt-mtd-shared $<${msvc-rt-mtd-shared}:-MDd>)
set(msvc-rt-mtd-static $<${msvc-rt-mtd-static}:-MTd>)
set(msvc-rt-mt-shared $<${msvc-rt-mt-shared}:-MD>)
set(msvc-rt-mt-static $<${msvc-rt-mt-static}:-MT>)
endif()
set(build-shared $<BOOL:${BUILD_SHARED_LIBS}>)
set(build-both $<BOOL:${BUILD_SHARED_AND_STATIC_LIBS}>)
set(versioned-dir $<$<BOOL:${USE_VERSIONED_LIBDIR}>:/pugixml-${PROJECT_VERSION}>)
add_library(pugixml) # Auto selects static or shared based on BUILD_SHARED_LIBS
add_library(pugixml-shared SHARED)
add_library(pugixml-static STATIC)
add_library(pugixml::pugixml ALIAS pugixml)
add_library(pugixml::shared ALIAS pugixml-shared)
add_library(pugixml::static ALIAS pugixml-static)
# This means you can use pugixml::shared when a `find_package(pugixml CONFIG)`
# is called. This keeps it consistent with the aliases we provide.
set_property(TARGET pugixml-shared PROPERTY EXPORT_NAME shared)
set_property(TARGET pugixml-static PROPERTY EXPORT_NAME static)
set_target_properties(pugixml-shared pugixml-static pugixml
PROPERTIES
MSVC_RUNTIME_LIBRARY ${CMAKE_MSVC_RUNTIME_LIBRARY}
EXCLUDE_FROM_ALL ON
SOVERSION ${PROJECT_VERSION_MAJOR}
VERSION ${PROJECT_VERSION})
# XXX: EXCLUDE_FROM_ALL cannot be set via a generator expression! :(
if (BUILD_SHARED_AND_STATIC_LIBS)
set_target_properties(pugixml-shared pugixml-static
PROPERTIES
EXCLUDE_FROM_ALL OFF)
set(install-targets pugixml-shared pugixml-static)
else()
set(LIBRARY pugixml)
set_target_properties(pugixml
PROPERTIES
EXCLUDE_FROM_ALL OFF)
set(install-targets pugixml)
endif()
if(BUILD_SHARED_AND_STATIC_LIBS)
add_library(pugixml-static STATIC ${HEADERS} ${SOURCES})
add_library(pugixml-shared SHARED ${HEADERS} ${SOURCES} ${PUGIXML_WINDLL_SRCS})
else()
if(BUILD_SHARED_LIBS)
add_library(pugixml SHARED ${HEADERS} ${SOURCES} ${PUGIXML_WINDLL_SRCS})
else()
add_library(pugixml STATIC ${HEADERS} ${SOURCES})
target_sources(pugixml-shared
PRIVATE
$<${build-shared}:${PROJECT_SOURCE_DIR}/scripts/pugixml_dll.rc>
${PROJECT_SOURCE_DIR}/src/pugixml.cpp)
target_sources(pugixml-static
PRIVATE
${PROJECT_SOURCE_DIR}/src/pugixml.cpp)
target_sources(pugixml
PRIVATE
$<${build-shared}:${PROJECT_SOURCE_DIR}/scripts/pugixml_dll.rc>
${PROJECT_SOURCE_DIR}/src/pugixml.cpp)
# XXX: INSTALL_INTERFACE is not used here so that INCLUDES DESTINATION can work
# correctly if USE_VERSIONED_LIBDIR is set. $<INSTALL_INTERFACE> can't expand
# generator expressions otherwise.
target_include_directories(pugixml-shared
PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>)
target_include_directories(pugixml-static
PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>)
target_include_directories(pugixml
PUBLIC
$<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/src>)
target_compile_definitions(pugixml-shared
PRIVATE
$<$<CXX_COMPILER_ID:MSVC>:PUGIXML_API=__declspec\(dllexport\)>)
target_compile_definitions(pugixml
PRIVATE
$<$<CXX_COMPILER_ID:MSVC>:PUGIXML_API=__declspec\(dllexport\)>)
target_compile_options(pugixml-shared
PRIVATE
${msvc-rt-mtd-shared}
${msvc-rt-mtd-static}
${msvc-rt-mt-shared}
${msvc-rt-mt-static})
target_compile_options(pugixml
PRIVATE
${msvc-rt-mtd-shared}
${msvc-rt-mtd-static}
${msvc-rt-mt-shared}
${msvc-rt-mt-static})
configure_package_config_file(
"${PROJECT_SOURCE_DIR}/scripts/pugixml-config.cmake.in"
"${PROJECT_BINARY_DIR}/pugixml-config.cmake"
INSTALL_DESTINATION ${CMAKE_INSTALL_DATADIR}
NO_CHECK_REQUIRED_COMPONENTS_MACRO
NO_SET_AND_CHECK_MACRO)
write_basic_package_version_file(
"${PROJECT_BINARY_DIR}/pugixml-config-version.cmake"
COMPATIBILITY SameMajorVersion)
configure_file(scripts/pugixml.pc.in pugixml.pc @ONLY)
install(TARGETS ${install-targets}
EXPORT pugixml-targets
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}${versioned-dir})
install(EXPORT pugixml-targets
NAMESPACE pugixml::
DESTINATION ${CMAKE_INSTALL_DATADIR}/cmake/pugixml)
install(FILES
"${PROJECT_BINARY_DIR}/pugixml-config-version.cmake"
"${PROJECT_BINARY_DIR}/pugixml-config.cmake"
DESTINATION ${CMAKE_INSTALL_DATADIR}/cmake/pugixml)
install(FILES ${PROJECT_BINARY_DIR}/pugixml.pc
DESTINATION ${CMAKE_INSTALL_DATADIR}/pkgconfig)
install(
FILES
"${PROJECT_SOURCE_DIR}/src/pugiconfig.hpp"
"${PROJECT_SOURCE_DIR}/src/pugixml.hpp"
DESTINATION
${CMAKE_INSTALL_INCLUDEDIR}${versioned-dir})
if (BUILD_TESTS)
set(fuzz-pattern "tests/fuzz_*.cpp")
set(test-pattern "tests/*.cpp")
if (CMAKE_VERSION VERSION_GREATER 3.11)
list(INSERT fuzz-pattern 0 CONFIGURE_DEPENDS)
list(INSERT test-pattern 0 CONFIGURE_DEPENDS)
endif()
endif()
# Export symbols for shared library builds
if(BUILD_SHARED_AND_STATIC_LIBS AND MSVC)
target_compile_definitions(pugixml-shared PRIVATE "PUGIXML_API=__declspec(dllexport)")
endif()
if(BUILD_SHARED_LIBS AND MSVC)
target_compile_definitions(pugixml PRIVATE "PUGIXML_API=__declspec(dllexport)")
endif()
if(USE_VERSIONED_LIBDIR)
# Install library into its own directory under LIBDIR
set(INSTALL_SUFFIX /pugixml-${pugixml_VERSION})
endif()
foreach(TARGET ${LIBRARY})
# Enable C++11 long long for compilers that are capable of it
if(NOT ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION} STRLESS 3.1 AND ";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_long_long_type;")
target_compile_features(${TARGET} PUBLIC cxx_long_long_type)
endif()
set_target_properties(${TARGET} PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION ${PROJECT_VERSION_MAJOR})
target_include_directories(${TARGET} PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/src>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}${INSTALL_SUFFIX}>)
if(USE_POSTFIX)
set_target_properties(${TARGET} PROPERTIES DEBUG_POSTFIX "_d" MINSIZEREL_POSTFIX "_m" RELWITHDEBINFO_POSTFIX "_r")
endif()
endforeach()
install(TARGETS ${LIBRARY} EXPORT pugixml-config
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}${INSTALL_SUFFIX}
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}${INSTALL_SUFFIX}
RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
install(FILES ${HEADERS} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}${INSTALL_SUFFIX})
install(EXPORT pugixml-config DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/pugixml)
configure_file(scripts/pugixml.pc.in ${PROJECT_BINARY_DIR}/pugixml.pc @ONLY)
install(FILES ${PROJECT_BINARY_DIR}/pugixml.pc DESTINATION ${CMAKE_INSTALL_FULL_LIBDIR}/pkgconfig)
if(BUILD_TESTS)
file(GLOB TEST_SOURCES tests/*.cpp)
file(GLOB FUZZ_SOURCES tests/fuzz_*.cpp)
list(REMOVE_ITEM TEST_SOURCES ${FUZZ_SOURCES})
add_executable(check ${TEST_SOURCES})
if(BUILD_SHARED_AND_STATIC_LIBS)
target_link_libraries(check pugixml-static)
else()
target_link_libraries(check pugixml)
endif()
add_custom_command(TARGET check POST_BUILD COMMAND check WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
file(GLOB test-sources ${test-pattern})
file(GLOB fuzz-sources ${fuzz-pattern})
list(REMOVE_ITEM test-sources ${fuzz-sources})
add_custom_target(check
COMMAND ${CMAKE_CTEST_COMMAND} --output-on-failure)
add_executable(pugixml-check ${test-sources})
add_test(NAME pugixml::test
COMMAND pugixml-check
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
add_dependencies(check pugixml-check)
target_link_libraries(pugixml-check
PRIVATE
$<IF:${build-both},pugixml::static,pugixml::pugixml>)
endif()

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@ -0,0 +1,3 @@
@PACKAGE_INIT@
include("${CMAKE_CURRENT_LIST_DIR}/pugixml-targets.cmake")