Nasal is C code, not C++

[simgear.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fc2d2630a99d1fb8d00346eda3df52a3f5df66b0..4b3c0e10d326536e777ed4775c9cb6a208b32100 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,6 +10,9 @@ project(SimGear)
 file(READ version versionFile)
 string(STRIP ${versionFile} SIMGEAR_VERSION)
 
+# use simgear version also as the SO version (if building SOs)
+SET(SIMGEAR_SOVERSION ${SIMGEAR_VERSION})
+
 #packaging
 SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")
 SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
@@ -46,11 +49,23 @@ if(NOT CMAKE_BUILD_TYPE)
       FORCE)
 endif(NOT CMAKE_BUILD_TYPE)
 
+# Determine name of library installation directory, i.e. "lib" vs "lib64", which
+# differs between all Debian-based vs all other Linux distros.
+# See cmake bug #11964, http://cmake.org/gitweb?p=cmake.git;a=commit;h=126c993d
+# GNUInstallDirs requires CMake >= 2.8.5, use own file for older cmake
+if(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
+  include(GNUInstallDirs)
+else(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
+  include(OldGNUInstallDirs)
+endif(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
+message(STATUS "Library installation directory: ${CMAKE_INSTALL_LIBDIR}")
+
 option(SIMGEAR_SHARED "Set to ON to build SimGear as a shared library/framework" OFF)
 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)
 
 if (MSVC)
   GET_FILENAME_COMPONENT(PARENT_DIR ${PROJECT_SOURCE_DIR} PATH)
@@ -100,12 +115,11 @@ find_package(Threads REQUIRED)
 
 if(SIMGEAR_HEADLESS)
     message(STATUS "headless mode")
-    set(NO_OPENSCENEGRAPH_INTERFACE 1)
 else()
     find_package(OpenGL REQUIRED)
     find_package(OpenAL REQUIRED)
     find_package(ALUT REQUIRED)
-    find_package(OpenSceneGraph 2.8.1 REQUIRED osgText osgSim osgDB osgParticle osgUtil)
+    find_package(OpenSceneGraph 3.0.0 REQUIRED osgText osgSim osgDB osgParticle osgUtil)
 endif(SIMGEAR_HEADLESS)
 
 if(JPEG_FACTORY)
@@ -152,21 +166,18 @@ if(HAVE_UNISTD_H)
 
         int main() { return 0; }
         "
-        HAVE_CLOCK_GETTIME)    
+        HAVE_CLOCK_GETTIME)
 endif(HAVE_UNISTD_H)
 
 set(RT_LIBRARY "")
 if(HAVE_CLOCK_GETTIME)
-    check_function_exists(clock_gettime CLOCK_GETTIME_IN_LIBC)
-    if(NOT CLOCK_GETTIME_IN_LIBC)
-        check_library_exists(rt clock_gettime "" HAVE_RT)
-        if(HAVE_RT)
-            set(RT_LIBRARY rt)
-        endif(HAVE_RT)
-        endif(NOT CLOCK_GETTIME_IN_LIBC)
+    check_library_exists(rt clock_gettime "" HAVE_RT)
+    if(HAVE_RT)
+        set(RT_LIBRARY rt)
+    endif(HAVE_RT)
 endif(HAVE_CLOCK_GETTIME)
 
-SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually d on windows")
+SET(CMAKE_DEBUG_POSTFIX "d" CACHE STRING "add a postfix, usually 'd' on windows")
 SET(CMAKE_RELEASE_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
 SET(CMAKE_RELWITHDEBINFO_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
 SET(CMAKE_MINSIZEREL_POSTFIX "" CACHE STRING "add a postfix, usually empty on windows")
@@ -190,6 +201,10 @@ endif(CMAKE_COMPILER_IS_GNUCXX)
 
 if(WIN32)
 
+    if(MINGW)
+        add_definitions(-D_WIN32_WINNT=0x501)
+    endif()
+
     if(MSVC)
         # turn off various warnings
         # foreach(warning 4244 4251 4267 4275 4290 4786 4305 4996)
@@ -206,6 +221,10 @@ if(WIN32)
     set( RT_LIBRARY "winmm" )
 endif(WIN32)    
 
+if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") 
+   set (WARNING_FLAGS "-Wall -Wno-overloaded-virtual")
+endif() 
+
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS}")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${WARNING_FLAGS} ${MSVC_FLAGS} ${BOOST_CXX_FLAGS}")
 
@@ -225,12 +244,14 @@ configure_file (
   "${PROJECT_SOURCE_DIR}/simgear/simgear_config_cmake.h.in"
   "${PROJECT_BINARY_DIR}/simgear/simgear_config.h"
   )
-  
+
+if(ENABLE_TESTS)
 # enable CTest / make test target
 
 include (Dart)
 enable_testing()
-  
+endif(ENABLE_TESTS)
+
 install (FILES ${PROJECT_BINARY_DIR}/simgear/simgear_config.h  DESTINATION include/simgear/)
 add_subdirectory(simgear)
 
@@ -244,5 +265,3 @@ CONFIGURE_FILE(
 ADD_CUSTOM_TARGET(uninstall
   "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
 
-
-