4 # SIMGEAR_CORE_LIBRARIES, a list of the core static libraries
5 # SIMGEAR_LIBRARIES, a list of all the static libraries (core + scene)
6 # SIMGEAR_FOUND, if false, do not try to link to SimGear
7 # SIMGEAR_INCLUDE_DIR, where to find the headers
9 # $SIMGEAR_DIR is an environment variable that would
10 # correspond to the ./configure --prefix=$SIMGEAR_DIR
11 # used in building SimGear.
13 # Created by James Turner. This was influenced by the FindOpenAL.cmake module.
15 #=============================================================================
16 # Copyright 2005-2009 Kitware, Inc.
18 # Distributed under the OSI-approved BSD License (the "License");
19 # see accompanying file Copyright.txt for details.
21 # This software is distributed WITHOUT ANY WARRANTY; without even the
22 # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
23 # See the License for more information.
24 #=============================================================================
25 # (To distributed this file outside of CMake, substitute the full
26 # License text for the above reference.)
28 include(SelectLibraryConfigurations)
30 macro(find_sg_library libName varName libs)
31 set(libVarName "${varName}_LIBRARY")
32 # do not cache the library check
33 unset(${libVarName}_DEBUG CACHE)
34 unset(${libVarName}_RELEASE CACHE)
36 FIND_LIBRARY(${libVarName}_DEBUG
37 NAMES ${libName}${CMAKE_DEBUG_POSTFIX}
38 HINTS $ENV{SIMGEAR_DIR}
39 PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
45 FIND_LIBRARY(${libVarName}_RELEASE
46 NAMES ${libName}${CMAKE_RELEASE_POSTFIX}
47 HINTS $ENV{SIMGEAR_DIR}
48 PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
55 # message(STATUS "before: Simgear ${${libVarName}_RELEASE} ")
56 # message(STATUS "before: Simgear ${${libVarName}_DEBUG} ")
58 select_library_configurations( ${varName} )
60 # message(STATUS "after:Simgear ${${libVarName}_RELEASE} ")
61 # message(STATUS "after:Simgear ${${libVarName}_DEBUG} ")
63 set(componentLibRelease ${${libVarName}_RELEASE})
64 # message(STATUS "Simgear ${libVarName}_RELEASE ${componentLibRelease}")
65 set(componentLibDebug ${${libVarName}_DEBUG})
66 # message(STATUS "Simgear ${libVarName}_DEBUG ${componentLibDebug}")
68 if (NOT ${libVarName}_DEBUG)
69 if (NOT ${libVarName}_RELEASE)
70 #message(STATUS "found ${componentLib}")
71 list(APPEND ${libs} ${componentLibRelease})
74 list(APPEND ${libs} optimized ${componentLibRelease} debug ${componentLibDebug})
78 macro(find_sg_component comp libs)
79 set(compLib "sg${comp}")
80 string(TOUPPER "SIMGEAR_${comp}" libVar)
82 find_sg_library(${compLib} ${libVar} ${libs})
85 FIND_PATH(SIMGEAR_INCLUDE_DIR simgear/math/SGMath.hxx
86 HINTS $ENV{SIMGEAR_DIR}
96 # make sure the simgear include directory exists
97 if (NOT SIMGEAR_INCLUDE_DIR)
98 message(FATAL_ERROR "Cannot find SimGear includes! (Forgot 'make install' for SimGear?) "
99 "Compile & INSTALL SimGear before configuring FlightGear. "
100 "When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.")
103 message(STATUS "SimGear include directory: ${SIMGEAR_INCLUDE_DIR}")
105 # make sure the simgear/version.h header exists
106 if (NOT EXISTS ${SIMGEAR_INCLUDE_DIR}/simgear/version.h)
107 message(FATAL_ERROR "Found SimGear, but it does not contain a simgear/version.h include! "
108 "SimGear installation is incomplete.")
111 # read the simgear version header file, get the version
112 file(READ ${SIMGEAR_INCLUDE_DIR}/simgear/version.h sgVersionFile)
113 string(STRIP ${sgVersionFile} SIMGEAR_DEFINE)
114 string(REPLACE "#define SIMGEAR_VERSION " "" SIMGEAR_VERSION ${SIMGEAR_DEFINE})
115 message(STATUS "found SimGear version: ${SIMGEAR_VERSION} (needed ${SimGear_FIND_VERSION})")
117 if(NOT ${SIMGEAR_VERSION} EQUAL ${SimGear_FIND_VERSION})
118 message(FATAL_ERROR "You have installed a mismatching SimGear version ${SIMGEAR_VERSION} "
119 "instead of ${SimGear_FIND_VERSION} as required by FlightGear. "
120 "When using multiple SimGear installations, please use 'SIMGEAR_DIR' "
121 "to select the SimGear library location to be used.")
125 find_package(ZLIB REQUIRED)
126 find_package(Threads REQUIRED)
129 message(STATUS "looking for shared Simgear libraries")
131 find_sg_library(SimGearCore SIMGEAR_CORE SIMGEAR_CORE_LIBRARIES)
132 find_sg_library(SimGearScene SIMGEAR_SCENE SIMGEAR_LIBRARIES)
135 list(APPEND SIMGEAR_LIBRARIES ${SIMGEAR_CORE_LIBRARIES})
136 set(SIMGEAR_CORE_LIBRARY_DEPENDENCIES "")
137 set(SIMGEAR_SCENE_LIBRARY_DEPENDENCIES "")
139 # message(STATUS "core lib ${SIMGEAR_CORE_LIBRARIES}")
140 # message(STATUS "all libs ${SIMGEAR_LIBRARIES}")
143 set(SIMGEAR_LIBRARIES "") # clear value
144 set(SIMGEAR_CORE_LIBRARIES "") # clear value
145 message(STATUS "looking for static SimGear libraries")
147 # note the order here affects the order Simgear libraries are
148 # linked in, and hence ability to link when using a traditional
149 # linker such as GNU ld on Linux
180 foreach(component ${comps})
181 find_sg_component(${component} SIMGEAR_CORE_LIBRARIES)
184 foreach(component ${scene_comps})
185 find_sg_component(${component} SIMGEAR_LIBRARIES)
188 # again link order matters - scene libraries depend on core ones
189 list(APPEND SIMGEAR_LIBRARIES ${SIMGEAR_CORE_LIBRARIES})
191 #message(STATUS "all libs ${SIMGEAR_LIBRARIES}")
193 set(SIMGEAR_CORE_LIBRARY_DEPENDENCIES
194 ${CMAKE_THREAD_LIBS_INIT}
199 set(SIMGEAR_SCENE_LIBRARY_DEPENDENCIES
204 list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES ws2_32.lib)
208 # basic timing routines on non windows systems, may be also cygwin?!
209 check_library_exists(rt clock_gettime "" have_rt)
211 list(APPEND SIMGEAR_CORE_LIBRARY_DEPENDENCIES rt)
214 endif(SIMGEAR_SHARED)
216 if((NOT SIMGEAR_CORE_LIBRARIES)OR(NOT SIMGEAR_LIBRARIES))
217 message(FATAL_ERROR "Cannot find SimGear libraries! (Forgot 'make install' for SimGear?) "
218 "Compile & INSTALL SimGear before configuring FlightGear. "
219 "When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.")
221 message(STATUS "found SimGear libraries")
224 # now we've found SimGear, try test-compiling using its includes
225 include(CheckCXXSourceRuns)
227 SET(CMAKE_REQUIRED_INCLUDES ${SIMGEAR_INCLUDE_DIR})
229 # clear cache, run a fresh compile test every time
230 unset(SIMGEAR_COMPILE_TEST CACHE)
232 # disable OSG dependencies for test-compiling
233 set(CMAKE_REQUIRED_DEFINITIONS "-DNO_OPENSCENEGRAPH_INTERFACE")
234 check_cxx_source_runs(
236 #include \"simgear/version.h\"
237 #include \"simgear/math/SGMath.hxx\"
239 #define xstr(s) str(s)
242 #define MIN_MAJOR ${SimGear_FIND_VERSION_MAJOR}
243 #define MIN_MINOR ${SimGear_FIND_VERSION_MINOR}
244 #define MIN_MICRO ${SimGear_FIND_VERSION_PATCH}
247 int major, minor, micro;
249 /* printf(%d.%d.%d or greater, , MIN_MAJOR, MIN_MINOR, MIN_MICRO); */
250 printf(\"found %s ... \", xstr(SIMGEAR_VERSION));
252 sscanf( xstr(SIMGEAR_VERSION), \"%d.%d.%d\", &major, &minor, µ );
254 if ( (major != MIN_MAJOR) ||
255 (minor != MIN_MINOR) ||
256 (micro != MIN_MICRO) ) {
263 SIMGEAR_COMPILE_TEST)
265 if(NOT SIMGEAR_COMPILE_TEST)
266 message(FATAL_ERROR "Oops, you have installed SimGear includes, however test compiling failed. "
267 "Try removing 'CMakeCache.txt' and reconfigure with 'cmake'.")
269 unset(CMAKE_REQUIRED_DEFINITIONS)
271 include(FindPackageHandleStandardArgs)
272 FIND_PACKAGE_HANDLE_STANDARD_ARGS(SimGear DEFAULT_MSG
273 SIMGEAR_LIBRARIES SIMGEAR_CORE_LIBRARIES SIMGEAR_INCLUDE_DIR SIMGEAR_COMPILE_TEST)