# 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)
-FIND_PATH(SIMGEAR_INCLUDE_DIR simgear/math/SGMath.hxx
- HINTS $ENV{SIMGEAR_DIR}
- PATH_SUFFIXES include
- PATHS
- ~/Library/Frameworks
- /Library/Frameworks
- /usr/local
- /usr
- /opt
-)
-
-message(STATUS ${SIMGEAR_INCLUDE_DIR})
-
-# check for dynamic framework/library
-FIND_LIBRARY(SIMGEAR_LIBRARIES
- NAMES simgear SimGear
- HINTS
- $ENV{SIMGEAR_DIR}
- PATH_SUFFIXES lib64 lib libs64 libs libs/Win32 libs/Win64
- PATHS
- ~/Library/Frameworks
- /Library/Frameworks
- /usr/local
- /usr
- /opt
-)
-
-macro(find_sg_component comp libs)
- set(compLib "sg${comp}")
- string(TOUPPER "SIMGEAR_${comp}" compLibBase)
- set( compLibName ${compLibBase}_LIBRARY )
+macro(find_sg_library libName varName libs)
+ set(libVarName "${varName}_LIBRARY")
+ # do not cache the library check
+ unset(${libVarName}_DEBUG CACHE)
+ unset(${libVarName}_RELEASE CACHE)
- FIND_LIBRARY(${compLibName}_DEBUG
- NAMES ${compLib}${CMAKE_DEBUG_POSTFIX}
+ FIND_LIBRARY(${libVarName}_DEBUG
+ NAMES ${libName}${CMAKE_DEBUG_POSTFIX}
HINTS $ENV{SIMGEAR_DIR}
- PATH_SUFFIXES lib64 lib libs64 libs libs/Win32 libs/Win64
+ PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
PATHS
/usr/local
/usr
/opt
)
- FIND_LIBRARY(${compLibName}_RELEASE
- NAMES ${compLib}${CMAKE_RELEASE_POSTFIX}
+ FIND_LIBRARY(${libVarName}_RELEASE
+ NAMES ${libName}${CMAKE_RELEASE_POSTFIX}
HINTS $ENV{SIMGEAR_DIR}
- PATH_SUFFIXES lib64 lib libs64 libs libs/Win32 libs/Win64
+ PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
PATHS
/usr/local
/usr
/opt
)
- select_library_configurations( ${compLibBase} )
-
- set(componentLibRelease ${${compLibName}_RELEASE})
- #message(STATUS "Simgear ${compLibName}_RELEASE ${componentLibRelease}")
- set(componentLibDebug ${${compLibName}_DEBUG})
- #message(STATUS "Simgear ${compLibName}_DEBUG ${componentLibDebug}")
- if (NOT ${compLibName}_DEBUG)
- if (NOT ${compLibName}_RELEASE)
+
+ # 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} ${componentLibRelease})
endif()
endif()
endmacro()
+macro(find_sg_component comp libs)
+ set(compLib "sg${comp}")
+ string(TOUPPER "SIMGEAR_${comp}" libVar)
+
+ find_sg_library(${compLib} ${libVar} ${libs})
+endmacro()
-if(${SIMGEAR_LIBRARIES} STREQUAL "SIMGEAR_LIBRARIES-NOTFOUND")
- set(SIMGEAR_LIBRARIES "") # clear value
+FIND_PATH(SIMGEAR_INCLUDE_DIR simgear/math/SGMath.hxx
+ HINTS $ENV{SIMGEAR_DIR}
+ PATH_SUFFIXES include
+ PATHS
+ ~/Library/Frameworks
+ /Library/Frameworks
+ /usr/local
+ /usr
+ /opt
+)
+
+# 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()
+
+message(STATUS "SimGear include directory: ${SIMGEAR_INCLUDE_DIR}")
+
+# make sure the simgear/version.h header exists
+if (NOT EXISTS ${SIMGEAR_INCLUDE_DIR}/simgear/version.h)
+ message(FATAL_ERROR "Found SimGear, but it does not contain a simgear/version.h include! "
+ "SimGear installation is incomplete.")
+endif()
+
+# read the simgear version header file, get the version
+file(READ ${SIMGEAR_INCLUDE_DIR}/simgear/version.h sgVersionFile)
+string(STRIP ${sgVersionFile} SIMGEAR_DEFINE)
+string(REPLACE "#define SIMGEAR_VERSION " "" SIMGEAR_VERSION ${SIMGEAR_DEFINE})
+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")
+
+ 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 "")
- if(NOT MSVC)
- # Olaf indicates that linking the threads libs causes failures
- # on MSVC builds
- set(thread_lib threads)
- endif(NOT MSVC)
+ # 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")
# 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
+ set(comps
environment
nasal
- sky
- material tgdb
- model
- screen
+ tsync
bucket
- bvh
- util route
- timing
- ${thread_lib}
io
serial
- sound
- structure
+ math
props
+ structure
+ timing
xml
- debug
misc
+ threads
+ debug
magvar
- math)
-
+ )
+
+ set(scene_comps
+ ephem
+ sky
+ material
+ tgdb
+ model
+ screen
+ bvh
+ util
+ sound)
+
foreach(component ${comps})
+ find_sg_component(${component} SIMGEAR_CORE_LIBRARIES)
+ endforeach()
+
+ foreach(component ${scene_comps})
find_sg_component(${component} SIMGEAR_LIBRARIES)
endforeach()
-endif()
-# now we've found SimGear, check its version
+ # again link order matters - scene libraries depend on core ones
+ list(APPEND SIMGEAR_LIBRARIES ${SIMGEAR_CORE_LIBRARIES})
-include(CheckCXXSourceRuns)
+ #message(STATUS "all libs ${SIMGEAR_LIBRARIES}")
+
+ set(SIMGEAR_CORE_LIBRARY_DEPENDENCIES
+ ${CMAKE_THREAD_LIBS_INIT}
+ ${ZLIB_LIBRARY}
+ ${LIBSVN_LIBRARIES}
+ ${WINMM_LIBRARY})
+
+ set(SIMGEAR_SCENE_LIBRARY_DEPENDENCIES
+ ${ALUT_LIBRARY}
+ ${OPENAL_LIBRARY})
+
+ if(WIN32)
+ list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES ws2_32.lib)
+ endif(WIN32)
-message(STATUS "looking for version: ${SimGear_FIND_VERSION}")
+ 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/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;
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) ) {
+ 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)
projects / flightgear.git / blobdiff