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simgear/CMakeLists.txt
James Turner af0a51930e CMake: don’t export build to build tree 
- only export targets to the install tree, since this is
  hopefully compatible with CMake 2.8
2016-02-02 18:33:20 +00:00

470 lines
16 KiB
CMake
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cmake_minimum_required (VERSION 2.8.11)
if(COMMAND cmake_policy)
if(POLICY CMP0054)
cmake_policy(SET CMP0054 NEW)
endif()
if(POLICY CMP0042)
cmake_policy(SET CMP0042 NEW)
endif()
endif()
include (CheckFunctionExists)
include (CheckIncludeFile)
include (CheckLibraryExists)
include (CheckCXXSourceCompiles)
include (CheckCXXCompilerFlag)
include (GenerateExportHeader)
# using 10.7 because boost requires libc++ and 10.6 doesn't include it
set(CMAKE_OSX_DEPLOYMENT_TARGET 10.7)
# only relevant for building shared libs but let's set it regardless
set(CMAKE_OSX_RPATH 1)
project(SimGear)
# read 'version' file into a variable (stripping any newlines or spaces)
file(READ version versionFile)
string(STRIP ${versionFile} SIMGEAR_VERSION)
set(FIND_LIBRARY_USE_LIB64_PATHS ON)
# use simgear version also as the SO version (if building SOs)
SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
# Warning when build is not an out-of-source build.
string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" InSourceBuild)
if(InSourceBuild)
message(WARNING "Avoid building inside the source tree!")
message(WARNING "Create a separate build directory instead (i.e. 'sgbuild') and call CMake from there: ")
message(WARNING " mkdir ../sgbuild && cd ../sgbuild && cmake ${CMAKE_SOURCE_DIR}")
endif(InSourceBuild)
#packaging
SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Simulation support libraries for FlightGear and related projects")
SET(CPACK_PACKAGE_VENDOR "The FlightGear project")
SET(CPACK_GENERATOR "TBZ2")
SET(CPACK_INSTALL_CMAKE_PROJECTS ${CMAKE_CURRENT_BINARY_DIR};SimGear;ALL;/)
# split version string into components, note CMAKE_MATCH_0 is the entire regexp match
string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${SIMGEAR_VERSION} )
set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MATCH_1})
set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MATCH_2})
set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_MATCH_3})
message(STATUS "version is ${CPACK_PACKAGE_VERSION_MAJOR} dot ${CPACK_PACKAGE_VERSION_MINOR} dot ${CPACK_PACKAGE_VERSION_PATCH}")
set(CPACK_SOURCE_GENERATOR TBZ2)
set(CPACK_SOURCE_PACKAGE_FILE_NAME "simgear-${SIMGEAR_VERSION}" CACHE INTERNAL "tarball basename")
set(CPACK_SOURCE_IGNORE_FILES
"^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
message(STATUS "ignoring: ${CPACK_SOURCE_IGNORE_FILES}")
include (CPack)
# We have some custom .cmake scripts not in the official distribution.
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
# Change the default build type to something fast
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release CACHE STRING
"Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
FORCE)
endif(NOT CMAKE_BUILD_TYPE)
# Determine name of library installation directory, i.e. "lib" vs "lib64", which
# differs between all Debian-based vs all other Linux distros.
# See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
include(GNUInstallDirs)
message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
#####################################################################################
# Configure library search paths
#####################################################################################
if(NOT "${CMAKE_LIBRARY_ARCHITECTURE}" STREQUAL "")
# Workaround for Ubuntu/Debian which introduced the "multiarch" library
# directory structure, which is unsupported by CMake < 2.8.10, so we need to
# add paths manually
# see http://www.cmake.org/Bug/view.php?id=12049 and
# http://www.cmake.org/Bug/view.php?id=12037
list(APPEND ADDITIONAL_LIBRARY_PATHS
/usr/local/lib/${CMAKE_LIBRARY_ARCHITECTURE}
/usr/lib/${CMAKE_LIBRARY_ARCHITECTURE}
/lib/${CMAKE_LIBRARY_ARCHITECTURE})
message(STATUS "additional library directories: ${ADDITIONAL_LIBRARY_PATHS}")
endif()
#####################################################################################
if (NOT MSVC)
option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
option(SYSTEM_EXPAT "Set to ON to build SimGear using the system libExpat" OFF)
else()
# Building SimGear DLLs is currently not supported for MSVC.
set(SIMGEAR_SHARED OFF)
# Using a system expat is currently not supported for MSVC - it would require shared simgear (DLL).
set(SYSTEM_EXPAT OFF)
endif()
option(SIMGEAR_HEADLESS "Set to ON to build SimGear without GUI/graphics support" OFF)
option(ENABLE_RTI "Set to ON to build SimGear with RTI support" OFF)
option(ENABLE_TESTS "Set to OFF to disable building SimGear's test applications" ON)
option(ENABLE_SOUND "Set to OFF to disable building SimGear's sound support" ON)
option(ENABLE_PKGUTIL "Set to ON to build the sg_pkgutil application (default)" ON)
option(ENABLE_CURL "Set to ON to use libCurl as the HTTP client backend" OFF)
if (MSVC)
GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_BINARY_DIR} PATH)
if (CMAKE_CL_64)
SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty.x64")
else (CMAKE_CL_64)
SET(TEST_3RDPARTY_DIR "${PARENT_DIR}/3rdparty")
endif (CMAKE_CL_64)
if (EXISTS ${TEST_3RDPARTY_DIR})
set(MSVC_3RDPARTY_ROOT ${PARENT_DIR} CACHE PATH "Location where the third-party dependencies are extracted")
else (EXISTS ${TEST_3RDPARTY_DIR})
set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
endif (EXISTS ${TEST_3RDPARTY_DIR})
else (MSVC)
set(MSVC_3RDPARTY_ROOT NOT_FOUND CACHE PATH "Location where the third-party dependencies are extracted")
endif (MSVC)
if (MSVC AND MSVC_3RDPARTY_ROOT)
message(STATUS "3rdparty files located in ${MSVC_3RDPARTY_ROOT}")
set( OSG_MSVC "msvc" )
if (${MSVC_VERSION} EQUAL 1700)
set( OSG_MSVC ${OSG_MSVC}110 )
elseif (${MSVC_VERSION} EQUAL 1600)
set( OSG_MSVC ${OSG_MSVC}100 )
else (${MSVC_VERSION} EQUAL 1700)
set( OSG_MSVC ${OSG_MSVC}90 )
endif (${MSVC_VERSION} EQUAL 1700)
if (CMAKE_CL_64)
set( OSG_MSVC ${OSG_MSVC}-64 )
set( MSVC_3RDPARTY_DIR 3rdParty.x64 )
else (CMAKE_CL_64)
set( MSVC_3RDPARTY_DIR 3rdParty )
endif (CMAKE_CL_64)
set (CMAKE_LIBRARY_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/lib ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenRTI/lib )
set (CMAKE_INCLUDE_PATH ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenScenegraph/include ${MSVC_3RDPARTY_ROOT}/install/${OSG_MSVC}/OpenRTI/include)
find_path(BOOST_ROOT boost/version.hpp
${MSVC_3RDPARTY_ROOT}/boost
${MSVC_3RDPARTY_ROOT}/boost_1_52_0
${MSVC_3RDPARTY_ROOT}/boost_1_51_0
${MSVC_3RDPARTY_ROOT}/boost_1_50_0
${MSVC_3RDPARTY_ROOT}/boost_1_49_0
${MSVC_3RDPARTY_ROOT}/boost_1_48_0
${MSVC_3RDPARTY_ROOT}/boost_1_47_0
${MSVC_3RDPARTY_ROOT}/boost_1_46_1
${MSVC_3RDPARTY_ROOT}/boost_1_46_0
${MSVC_3RDPARTY_ROOT}/boost_1_45_0
${MSVC_3RDPARTY_ROOT}/boost_1_44_0
)
# set (BOOST_ROOT ${MSVC_3RDPARTY_ROOT}/boost_1_44_0)
message(STATUS "BOOST_ROOT is ${BOOST_ROOT}")
set (OPENAL_INCLUDE_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/include)
set (OPENAL_LIBRARY_DIR ${MSVC_3RDPARTY_ROOT}/${MSVC_3RDPARTY_DIR}/lib)
endif (MSVC AND MSVC_3RDPARTY_ROOT)
if(APPLE)
find_library(COCOA_LIBRARY Cocoa)
# this should be handled by setting CMAKE_OSX_DEPLOYMENT_TARGET
# but it's not working reliably, so forcing it for now
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmacosx-version-min=10.7")
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mmacosx-version-min=10.7")
endif()
if(${CMAKE_SYSTEM_NAME} MATCHES "Linux" OR
${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
find_package(Threads REQUIRED)
endif()
# Somehow this only works if included before searching for Boost...
include(BoostTestTargets)
find_package(Boost REQUIRED)
set (BOOST_CXX_FLAGS "-DBOOST_BIMAP_DISABLE_SERIALIZATION")
if(SIMGEAR_HEADLESS)
message(STATUS "SimGear mode: HEADLESS")
set(ENABLE_SOUND 0)
else()
message(STATUS "SimGear mode: NORMAL")
find_package(OpenGL REQUIRED)
if (ENABLE_SOUND)
find_package(OpenAL REQUIRED)
message(STATUS "Sound support: ENABLED")
endif(ENABLE_SOUND)
find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgViewer osgUtil)
endif(SIMGEAR_HEADLESS)
find_package(ZLIB REQUIRED)
if (ENABLE_CURL)
find_package(CURL REQUIRED)
message(STATUS "Curl HTTP client: ENABLED")
endif()
if (SYSTEM_EXPAT)
message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
set(SIMGEAR_SHARED ON)
find_package(EXPAT REQUIRED)
else()
message(STATUS "Using built-in expat code")
# XML_STATIC is important to avoid sg_expat_external.h
# declaring symbols as declspec(import)
add_definitions(-DHAVE_EXPAT_CONFIG_H -DXML_STATIC)
set(EXPAT_INCLUDE_DIRS
${PROJECT_SOURCE_DIR}/3rdparty/expat
${PROJECT_BINARY_DIR}/3rdparty/expat)
endif(SYSTEM_EXPAT)
include_directories(${EXPAT_INCLUDE_DIRS})
check_include_file(inttypes.h HAVE_INTTYPES_H)
check_include_file(sys/time.h HAVE_SYS_TIME_H)
check_include_file(sys/timeb.h HAVE_SYS_TIMEB_H)
check_include_file(unistd.h HAVE_UNISTD_H)
check_include_file(windows.h HAVE_WINDOWS_H)
if(HAVE_INTTYPES_H)
# ShivaVG needs inttypes.h
add_definitions(-DHAVE_INTTYPES_H)
endif()
if(ENABLE_RTI)
# See if we have any rti library variant installed
message(STATUS "RTI: ENABLED")
find_package(RTI)
else()
message(STATUS "RTI: DISABLED")
endif(ENABLE_RTI)
check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
check_function_exists(ftime HAVE_FTIME)
check_function_exists(timegm HAVE_TIMEGM)
check_function_exists(rint HAVE_RINT)
check_function_exists(mkdtemp HAVE_MKDTEMP)
check_function_exists(bcopy HAVE_BCOPY)
check_function_exists(mmap HAVE_MMAP)
if(HAVE_UNISTD_H)
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
check_cxx_source_compiles(
"#include <unistd.h>
#if !defined(_POSIX_TIMERS) || (0 >= _POSIX_TIMERS)
#error clock_gettime is not supported
#endif
int main() { return 0; }
"
HAVE_CLOCK_GETTIME)
endif(HAVE_UNISTD_H)
set(RT_LIBRARY "")
if(HAVE_CLOCK_GETTIME)
check_library_exists(rt clock_gettime "" HAVE_RT)
if(HAVE_RT)
set(RT_LIBRARY rt)
endif(HAVE_RT)
endif(HAVE_CLOCK_GETTIME)
set(DL_LIBRARY "")
check_cxx_source_compiles(
"#include <dlfcn.h>
int main(void) {
return 0;
}
"
HAVE_DLFCN_H)
if(HAVE_DLFCN_H)
check_library_exists(dl dlerror "" HAVE_DL)
if(HAVE_DL)
set(DL_LIBRARY "dl")
endif()
endif()
SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
# isnan might not be real symbol, so can't check using function_exists
check_cxx_source_compiles(
"#include <cmath>
int main() { return isnan(0.0);} "
HAVE_ISNAN)
check_cxx_source_compiles(
"#include <cmath>
int main() { return std::isnan(0.0);} "
HAVE_STD_ISNAN)
if(CMAKE_COMPILER_IS_GNUCXX)
set(WARNING_FLAGS_CXX "-Wall")
set(WARNING_FLAGS_C "-Wall")
# certain GCC versions don't provide the atomic builds, and hence
# require is to provide them in SGAtomic.cxx
set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
check_cxx_source_compiles(
"int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
GCC_ATOMIC_BUILTINS_FOUND)
endif(CMAKE_COMPILER_IS_GNUCXX)
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
# Boost redeclares class members
set(WARNING_FLAGS_CXX "-Wall -Wno-overloaded-virtual -Wno-redeclared-class-member")
set(WARNING_FLAGS_C "-Wall")
set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LANGUAGE_STANDARD "c++11")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
endif()
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
# boost goes haywire wrt static asserts
check_cxx_compiler_flag(-Wno-unused-local-typedefs HAS_NOWARN_UNUSED_TYPEDEFS)
if(HAS_NOWARN_UNUSED_TYPEDEFS)
set(WARNING_FLAGS_CXX " ${WARNING_FLAGS_CXX} -Wno-unused-local-typedefs")
endif()
endif()
if(WIN32)
if(MINGW)
add_definitions(-D_WIN32_WINNT=0x501)
endif()
if(MSVC)
# turn off various warnings
# foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
# SET(WARNING_FLAGS "${WARNING_FLAGS} /wd${warning}")
# endforeach(warning)
set(MSVC_FLAGS "-DWIN32 -DNOMINMAX -D_USE_MATH_DEFINES -D_CRT_SECURE_NO_WARNINGS -D__CRT_NONSTDC_NO_WARNINGS /wd4996 /wd4250 -Dstrdup=_strdup")
if (${MSVC_VERSION} GREATER 1599)
set( MSVC_LD_FLAGS "/FORCE:MULTIPLE" )
endif (${MSVC_VERSION} GREATER 1599)
endif(MSVC)
# assumed on Windows
set(HAVE_GETLOCALTIME 1)
set( WINSOCK_LIBRARY "ws2_32.lib" )
set( RT_LIBRARY "winmm" )
endif(WIN32)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS_C} ${MSVC_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS_CXX} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${MSVC_LD_FLAGS}")
# use BEFORE to ensure local directories are used first,
# ahead of system-installed libs
include_directories(BEFORE ${PROJECT_SOURCE_DIR})
include_directories(BEFORE ${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
include_directories(BEFORE ${PROJECT_BINARY_DIR}/simgear)
include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
${Boost_INCLUDE_DIRS}
${ZLIB_INCLUDE_DIR}
${OPENAL_INCLUDE_DIR}
${CURL_INCLUDE_DIRS}
)
add_definitions(-DHAVE_CONFIG_H)
# configure a header file to pass some of the CMake settings
# to the source code
configure_file (
"${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
"${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
)
if(ENABLE_TESTS)
# enable CTest / make test target
message(STATUS "Tests: ENABLED")
include (Dart)
enable_testing()
else()
message(STATUS "Tests: DISABLED")
endif(ENABLE_TESTS)
# always set TEST_LIBS as it is also used by other tools/applications
set(TEST_LIBS_INTERNAL_CORE
${CMAKE_THREAD_LIBS_INIT}
${ZLIB_LIBRARY}
${WINSOCK_LIBRARY}
${RT_LIBRARY}
${DL_LIBRARY}
${COCOA_LIBRARY}
${CURL_LIBRARIES})
set(TEST_LIBS SimGearCore ${TEST_LIBS_INTERNAL_CORE})
if(NOT SIMGEAR_HEADLESS)
set(TEST_LIBS SimGearScene ${OPENGL_LIBRARIES} ${TEST_LIBS})
endif()
install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h DESTINATION include/simgear/)
include_directories(3rdparty/utf8/source)
add_subdirectory(3rdparty)
add_subdirectory(simgear)
#-----------------------------------------------------------------------------
### Export stuff, see https://cmake.org/cmake/help/v3.2/manual/cmake-packages.7.html#creating-packages
#-----------------------------------------------------------------------------
generate_export_header(SimGearCore)
if(NOT SIMGEAR_HEADLESS)
generate_export_header(SimGearScene)
endif()
include(CMakePackageConfigHelpers)
write_basic_package_version_file(
"${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
VERSION ${SIMGEAR_VERSION}
COMPATIBILITY AnyNewerVersion
)
configure_file(SimGearConfig.cmake.in
"${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
@ONLY
)
set(ConfigPackageLocation lib/cmake/SimGear)
install(EXPORT SimGearTargets
DESTINATION ${ConfigPackageLocation}
)
install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/SimGear/SimGearConfigVersion.cmake"
DESTINATION ${ConfigPackageLocation}
COMPONENT Devel
)
#-----------------------------------------------------------------------------
### uninstall target
#-----------------------------------------------------------------------------
CONFIGURE_FILE(
"${CMAKE_CURRENT_SOURCE_DIR}/CMakeModules/cmake_uninstall.cmake.in"
"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
IMMEDIATE @ONLY)
ADD_CUSTOM_TARGET(uninstall
"${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
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