Canvas cleanup and restructuring

[simgear.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ccde5449c0ee6cf793e83d78c282354d179cf7f1..62c39ad23a15a68d2d7fabf9edaa799677991cf3 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,12 +68,22 @@ else(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
 endif(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
 message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
 
+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(JPEG_FACTORY     "Enable JPEG-factory support" OFF)
 option(ENABLE_LIBSVN    "Set to ON to build SimGear with libsvnclient support" ON)
 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)
 
 if (MSVC)
   GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_SOURCE_DIR} PATH)
@@ -133,10 +143,15 @@ set (BOOST_CXX_FLAGS "-DBOOST_MULTI_INDEX_DISABLE_SERIALIZATION -DBOOST_BIMAP_DI
 
 if(SIMGEAR_HEADLESS)
     message(STATUS "SimGear mode: HEADLESS")
+    set(ENABLE_SOUND 0)
 else()
     message(STATUS "SimGear mode: NORMAL")
     find_package(OpenGL REQUIRED)
-    find_package(OpenAL REQUIRED)
+    
+    if (ENABLE_SOUND)
+        find_package(OpenAL REQUIRED)
+    endif(ENABLE_SOUND)
+    
     find_package(OpenSceneGraph 3.0.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgUtil)
 endif(SIMGEAR_HEADLESS)
 
@@ -168,11 +183,27 @@ endif(ENABLE_LIBSVN)
 find_package(ZLIB REQUIRED)
 find_package(Threads REQUIRED)
 
+if (SYSTEM_EXPAT)
+    message(STATUS "Requested to use system Expat library, forcing SIMGEAR_SHARED to true")
+    set(SIMGEAR_SHARED ON)
+    find_package(EXPAT REQUIRED)
+    include_directories(${EXPAT_INCLUDE_DIRS})
+else()
+    message(STATUS "Using built-in expat code")
+    add_definitions(-DHAVE_EXPAT_CONFIG_H)
+endif(SYSTEM_EXPAT)
+
+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")
@@ -221,6 +252,11 @@ check_cxx_source_compiles(
     void f() { isnan(0.0);} "
     HAVE_ISNAN)
 
+check_cxx_source_compiles(
+    "#include <cmath> 
+    void f() { std::isnan(0.0);} "
+    HAVE_STD_ISNAN)
+
 if(CMAKE_COMPILER_IS_GNUCXX)
     set(WARNING_FLAGS_CXX "-Wall")
     set(WARNING_FLAGS_C   "-Wall")
@@ -264,6 +300,7 @@ 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}")
 
 include_directories(${PROJECT_SOURCE_DIR})
+include_directories(${PROJECT_SOURCE_DIR}/simgear/canvas/ShivaVG/include)
 include_directories(${PROJECT_BINARY_DIR}/simgear)
 include_directories(${PROJECT_BINARY_DIR}/simgear/xml)
 
@@ -272,7 +309,6 @@ include_directories(${OPENSCENEGRAPH_INCLUDE_DIRS}
     ${OPENAL_INCLUDE_DIR} )
 
 add_definitions(-DHAVE_CONFIG_H)
-add_definitions(-DHAVE_EXPAT_CONFIG_H)
 
 # configure a header file to pass some of the CMake settings
 # to the source code