X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=CMakeModules%2FFindSimGear.cmake;h=5c21f5716e69df9d1d993652f4ab2cf0d15f4042;hb=06083672573b525793300fd14e63df242c99248c;hp=aae8e040b52216095311c4e80a2ae294b362a14a;hpb=c8bdf8c1981ff49cbdf291de0f101d913585ce78;p=flightgear.git

diff --git a/CMakeModules/FindSimGear.cmake b/CMakeModules/FindSimGear.cmake
index aae8e040b..5c21f5716 100644
--- a/CMakeModules/FindSimGear.cmake
+++ b/CMakeModules/FindSimGear.cmake
@@ -1,7 +1,9 @@
 # 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
@@ -23,20 +25,66 @@
 # (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 ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
+      PATHS
+      /usr/local
+      /usr
+      /opt
+    )
+    FIND_LIBRARY(${libVarName}_RELEASE
+      NAMES ${libName}${CMAKE_RELEASE_POSTFIX}
+      HINTS $ENV{SIMGEAR_DIR}
+      PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} libs64 libs libs/Win32 libs/Win64
+      PATHS
+      /usr/local
+      /usr
+      /opt
+    )
+    
+   # 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 ${componentLibDebug})
+    endif()
+endmacro()
+
+macro(find_sg_component comp libs)
+    set(compLib "sg${comp}")
+    string(TOUPPER "SIMGEAR_${comp}" libVar)
+    
+    find_sg_library(${compLib} ${libVar} ${libs})
+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
@@ -45,105 +93,163 @@ FIND_PATH(SIMGEAR_INCLUDE_DIR simgear/math/SGMath.hxx
   /opt
 )
 
-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)
 
+# 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()
 
-if(${SIMGEAR_LIBRARIES} STREQUAL "SIMGEAR_LIBRARIES-NOTFOUND")  
-    set(SIMGEAR_LIBRARIES "") # clear value
+string(STRIP "${SG_VERSION_FILE}" SIMGEAR_DEFINE)
+string(REPLACE "#define SIMGEAR_VERSION " "" SIMGEAR_VERSION "${SIMGEAR_DEFINE}")
+
+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")
+
+    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
-        bucket
+        tsync
         bvh
-        util route
-        timing
-        ${thread_lib}
+        bucket
         io
         serial
-        sound
-        structure
+        math
         props
+        structure
+        timing
         xml
-        debug 
         misc
+        threads
+        debug
         magvar
-        math)
-    
+    )
+
+    set(scene_comps
+        ephem
+        sky
+        material
+        tgdb
+        model
+        screen
+        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 
+        ${OPENAL_LIBRARY})
+
+    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()
 
-message(STATUS "looking for version: ${SimGear_FIND_VERSION}")
+# now we've found SimGear, try test-compiling using its includes
+include(CheckCXXSourceRuns)
 
 SET(CMAKE_REQUIRED_INCLUDES ${SIMGEAR_INCLUDE_DIR})
-message(STATUS "Version Simgear include " ${CMAKE_REQUIRED_INCLUDES})
 
+# 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;
 
@@ -152,18 +258,24 @@ check_cxx_source_runs(
 
         sscanf( xstr(SIMGEAR_VERSION), \"%d.%d.%d\", &major, &minor, &micro );
 
-        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)