# Locate SimGear
# This module defines
-# SIMGEAR_LIBRARIES
-# SIMGEAR_FOUND, if false, do not try to link to SimGear
+
+# SIMGEAR_CORE_LIBRARIES, a list of the core static libraries
+# SIMGEAR_LIBRARIES, a list of all the static libraries (core + scene)
+# SIMGEAR_FOUND, if false, do not try to link to SimGear
# SIMGEAR_INCLUDE_DIR, where to find the headers
#
# $SIMGEAR_DIR is an environment variable that would
# (To distributed this file outside of CMake, substitute the full
# License text for the above reference.)
-# Per my request, CMake should search for frameworks first in
-# the following order:
-# ~/Library/Frameworks/SimGear.framework/Headers
-# /Library/Frameworks/SimGear.framework/Headers
-# /System/Library/Frameworks/SimGear.framework/Headers
-#
-# On OS X, this will prefer the Framework version (if found) over others.
-# People will have to manually change the cache values of
-# SimGear_LIBRARIES to override this selection or set the CMake environment
-# CMAKE_INCLUDE_PATH to modify the search paths.
+include(SelectLibraryConfigurations)
+
+macro(find_sg_library libName varName libs)
+ set(libVarName "${varName}_LIBRARY")
+ # do not cache the library check
+ unset(${libVarName}_DEBUG CACHE)
+ unset(${libVarName}_RELEASE CACHE)
+
+ FIND_LIBRARY(${libVarName}_DEBUG
+ NAMES ${libName}${CMAKE_DEBUG_POSTFIX}
+ HINTS $ENV{SIMGEAR_DIR}
+ PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
+ PATHS
+ ${ADDITIONAL_LIBRARY_PATHS}
+ )
+ FIND_LIBRARY(${libVarName}_RELEASE
+ NAMES ${libName}${CMAKE_RELEASE_POSTFIX}
+ HINTS $ENV{SIMGEAR_DIR}
+ PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
+ PATHS
+ ${ADDITIONAL_LIBRARY_PATHS}
+ )
+
+ # message(STATUS "before: Simgear ${${libVarName}_RELEASE} ")
+ # message(STATUS "before: Simgear ${${libVarName}_DEBUG} ")
+
+ select_library_configurations( ${varName} )
+
+ # message(STATUS "after:Simgear ${${libVarName}_RELEASE} ")
+ # message(STATUS "after:Simgear ${${libVarName}_DEBUG} ")
+
+ set(componentLibRelease ${${libVarName}_RELEASE})
+ # message(STATUS "Simgear ${libVarName}_RELEASE ${componentLibRelease}")
+ set(componentLibDebug ${${libVarName}_DEBUG})
+ # message(STATUS "Simgear ${libVarName}_DEBUG ${componentLibDebug}")
+
+ if (NOT ${libVarName}_DEBUG)
+ if (NOT ${libVarName}_RELEASE)
+ #message(STATUS "found ${componentLib}")
+ list(APPEND ${libs} ${componentLibRelease})
+ endif()
+ else()
+ list(APPEND ${libs} optimized ${componentLibRelease} debug ${componentLibDebug})
+ endif()
+endmacro()
FIND_PATH(SIMGEAR_INCLUDE_DIR simgear/math/SGMath.hxx
HINTS $ENV{SIMGEAR_DIR}
- PATH_SUFFIXES include
+ PATH_SUFFIXES include
PATHS
- ~/Library/Frameworks
- /Library/Frameworks
- /usr/local
- /usr
- /opt
+ ${ADDITIONAL_LIBRARY_PATHS}
)
-message(STATUS ${SIMGEAR_INCLUDE_DIR})
+# make sure the simgear include directory exists
+if (NOT SIMGEAR_INCLUDE_DIR)
+ message(FATAL_ERROR "Cannot find SimGear includes! (Forgot 'make install' for SimGear?) "
+ "Compile & INSTALL SimGear before configuring FlightGear. "
+ "When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.")
+endif()
-# check for dynamic framework/library
-FIND_LIBRARY(SIMGEAR_LIBRARIES
- NAMES simgear SimGear
- HINTS
- $ENV{SIMGEAR_DIR}
- PATH_SUFFIXES lib64 lib libs64 libs libs/Win32 libs/Win64
- PATHS
- ~/Library/Frameworks
- /Library/Frameworks
- /usr/local
- /usr
- /opt
-)
+message(STATUS "SimGear include directory: ${SIMGEAR_INCLUDE_DIR}")
-macro(find_sg_component comp libs)
- set(compLib "sg${comp}")
- string(TOUPPER "SIMGEAR_${comp}_LIBRARY" compLibName)
-
- FIND_LIBRARY(${compLibName}
- NAMES ${compLib}
- HINTS $ENV{SIMGEAR_DIR}
- PATH_SUFFIXES lib64 lib libs64 libs libs/Win32 libs/Win64
- PATHS
- /usr/local
- /usr
- /opt
- )
-
- set(componentLib ${${compLibName}})
- if (NOT ${componentLib} STREQUAL "componentLib-NOTFOUND")
- #message(STATUS "found ${componentLib}")
- list(APPEND ${libs} ${componentLib})
- endif()
-endmacro()
+# read the simgear version header file, get the version
+file(READ ${SIMGEAR_INCLUDE_DIR}/simgear/version.h SG_VERSION_FILE)
-if(${SIMGEAR_LIBRARIES} STREQUAL "SIMGEAR_LIBRARIES-NOTFOUND")
- set(SIMGEAR_LIBRARIES "") # clear value
-
- # note the order here affects the order Simgear libraries are
- # linked in, and hence ability to link when using a traditional
- # linker such as GNU ld on Linux
- set(comps
- ephemeris
- environment
- nasal
- sky
- material tgdb
- model
- screen
- bucket
- bvh
- util route
- timing
- threads
- io
- serial
- sound
- structure
- props
- xml
- debug
- misc
- magvar
- math)
-
- foreach(component ${comps})
- find_sg_component(${component} SIMGEAR_LIBRARIES)
- endforeach()
+# make sure the simgear/version.h header exists
+if (NOT SG_VERSION_FILE)
+ message(FATAL_ERROR "Found SimGear, but it does not contain a simgear/version.h include! "
+ "SimGear installation is incomplete or mismatching.")
endif()
-# now we've found SimGear, check its version
+string(STRIP "${SG_VERSION_FILE}" SIMGEAR_DEFINE)
+string(REPLACE "#define SIMGEAR_VERSION " "" SIMGEAR_VERSION "${SIMGEAR_DEFINE}")
-include(CheckCXXSourceRuns)
+if(NOT SIMGEAR_VERSION)
+ message(FATAL_ERROR "Unable to find SimGear or simgear/version.h does not exist/is invalid. "
+ "Make sure you have installed the SimGear ${SimGear_FIND_VERSION} includes. "
+ "When using non-standard locations, please use 'SIMGEAR_DIR' "
+ "to select the SimGear library location to be used.")
+endif()
+
+message(STATUS "found SimGear version: ${SIMGEAR_VERSION} (needed ${SimGear_FIND_VERSION})")
+
+if(NOT "${SIMGEAR_VERSION}" EQUAL "${SimGear_FIND_VERSION}")
+ message(FATAL_ERROR "You have installed a mismatching SimGear version ${SIMGEAR_VERSION} "
+ "instead of ${SimGear_FIND_VERSION} as required by FlightGear. "
+ "When using multiple SimGear installations, please use 'SIMGEAR_DIR' "
+ "to select the SimGear library location to be used.")
+endif()
+
+# dependent packages
+find_package(ZLIB REQUIRED)
+find_package(Threads REQUIRED)
+
+if(SIMGEAR_SHARED)
+ message(STATUS "looking for shared Simgear libraries")
-message(STATUS "looking for version: ${SimGear_FIND_VERSION}")
+ find_sg_library(SimGearCore SIMGEAR_CORE SIMGEAR_CORE_LIBRARIES)
+ find_sg_library(SimGearScene SIMGEAR_SCENE SIMGEAR_LIBRARIES)
+
+ list(APPEND SIMGEAR_LIBRARIES ${SIMGEAR_CORE_LIBRARIES})
+ set(SIMGEAR_CORE_LIBRARY_DEPENDENCIES "")
+ set(SIMGEAR_SCENE_LIBRARY_DEPENDENCIES "")
+
+ # message(STATUS "core lib ${SIMGEAR_CORE_LIBRARIES}")
+ # message(STATUS "all libs ${SIMGEAR_LIBRARIES}")
+else(SIMGEAR_SHARED)
+
+ set(SIMGEAR_LIBRARIES "") # clear value
+ set(SIMGEAR_CORE_LIBRARIES "") # clear value
+ message(STATUS "looking for static SimGear libraries")
+
+ find_sg_library(SimGearCore SIMGEAR_CORE SIMGEAR_CORE_LIBRARIES)
+ find_sg_library(SimGearScene SIMGEAR_SCENE SIMGEAR_LIBRARIES)
+
+ # again link order matters - scene libraries depend on core ones
+ list(APPEND SIMGEAR_LIBRARIES ${SIMGEAR_CORE_LIBRARIES})
+
+ set(SIMGEAR_CORE_LIBRARY_DEPENDENCIES
+ ${CMAKE_THREAD_LIBS_INIT}
+ ${ZLIB_LIBRARY}
+ ${WINMM_LIBRARY})
+
+ set(SIMGEAR_SCENE_LIBRARY_DEPENDENCIES
+ ${OPENAL_LIBRARY})
+
+ if(APPLE)
+ find_library(COCOA_LIBRARY Cocoa)
+ list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES ${COCOA_LIBRARY})
+ endif()
+
+ if(WIN32)
+ list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES ws2_32.lib)
+ endif(WIN32)
+
+ if(NOT MSVC)
+ # basic timing routines on non windows systems, may be also cygwin?!
+ check_library_exists(rt clock_gettime "" have_rt)
+ if(have_rt)
+ list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES rt)
+ endif(have_rt)
+ endif(NOT MSVC)
+endif(SIMGEAR_SHARED)
+
+if((NOT SIMGEAR_CORE_LIBRARIES) OR (NOT SIMGEAR_LIBRARIES))
+ message(FATAL_ERROR "Cannot find SimGear libraries! (Forgot 'make install' for SimGear?) "
+ "Compile & INSTALL SimGear before configuring FlightGear. "
+ "When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.")
+else()
+ message(STATUS "found SimGear libraries")
+endif()
+
+# now we've found SimGear, try test-compiling using its includes
+include(CheckCXXSourceRuns)
SET(CMAKE_REQUIRED_INCLUDES ${SIMGEAR_INCLUDE_DIR})
+# clear cache, run a fresh compile test every time
+unset(SIMGEAR_COMPILE_TEST CACHE)
+
+# disable OSG dependencies for test-compiling
+set(CMAKE_REQUIRED_DEFINITIONS "-DNO_OPENSCENEGRAPH_INTERFACE")
check_cxx_source_runs(
"#include <cstdio>
- #include <simgear/version.h>
-
+ #include \"simgear/version.h\"
+ #include \"simgear/math/SGMath.hxx\"
+
#define xstr(s) str(s)
#define str(s) #s
-
- #define MIN_MAJOR ${SimGear_FIND_VERSION_MAJOR}
- #define MIN_MINOR ${SimGear_FIND_VERSION_MINOR}
- #define MIN_MICRO ${SimGear_FIND_VERSION_PATCH}
-
- int main() {
- int major, minor, micro;
-
- /* printf(%d.%d.%d or greater, , MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
- printf(\"found %s ... \", xstr(SIMGEAR_VERSION));
-
- sscanf( xstr(SIMGEAR_VERSION), \"%d.%d.%d\", &major, &minor, µ );
-
- if ( (major < MIN_MAJOR) ||
- (major == MIN_MAJOR && minor < MIN_MINOR) ||
- (major == MIN_MAJOR && minor == MIN_MINOR && micro < MIN_MICRO) ) {
- return -1;
- }
-
- return 0;
- }
+
+ #define MIN_MAJOR ${SimGear_FIND_VERSION_MAJOR}
+ #define MIN_MINOR ${SimGear_FIND_VERSION_MINOR}
+ #define MIN_MICRO ${SimGear_FIND_VERSION_PATCH}
+
+ int main() {
+ int major, minor, micro;
+
+ /* printf(%d.%d.%d or greater, , MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
+ printf(\"found %s ... \", xstr(SIMGEAR_VERSION));
+
+ sscanf( xstr(SIMGEAR_VERSION), \"%d.%d.%d\", &major, &minor, µ );
+
+ if ( (major != MIN_MAJOR) ||
+ (minor != MIN_MINOR) ||
+ (micro != MIN_MICRO) ) {
+ return -1;
+ }
+
+ return 0;
+ }
"
- SIMGEAR_VERSION_OK)
+ SIMGEAR_COMPILE_TEST)
+
+if(NOT SIMGEAR_COMPILE_TEST)
+ message(FATAL_ERROR "Oops, you have installed SimGear includes, however test compiling failed. "
+ "Try removing 'CMakeCache.txt' and reconfigure with 'cmake'.")
+endif()
+unset(CMAKE_REQUIRED_DEFINITIONS)
include(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(SimGear DEFAULT_MSG
- SIMGEAR_LIBRARIES SIMGEAR_INCLUDE_DIR SIMGEAR_VERSION_OK)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SimGear DEFAULT_MSG
+ SIMGEAR_LIBRARIES SIMGEAR_CORE_LIBRARIES SIMGEAR_INCLUDE_DIR SIMGEAR_COMPILE_TEST)