Fix naming of core library, get IO tests linking shared, and exclude OSG symbols...

[simgear.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f672915562231befcd1e2d847aef7663fda95e7b..07363346e9bce01f0ed44c5e5ca48ac790beb3e5 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,11 +46,23 @@ 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)
@@ -99,13 +111,13 @@ find_package(ZLIB REQUIRED)
 find_package(Threads REQUIRED)
 
 if(SIMGEAR_HEADLESS)
-    message(STATUS "headlesss mode")
+    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)
@@ -166,7 +178,7 @@ if(HAVE_CLOCK_GETTIME)
         endif(NOT CLOCK_GETTIME_IN_LIBC)
 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")
@@ -179,6 +191,13 @@ check_cxx_source_compiles(
 
 if(CMAKE_COMPILER_IS_GNUCXX)
     set(WARNING_FLAGS -Wall)
+    
+    # certain GCC versions don't provide the atomic builds, and hence
+    # require is to provide them in SGAtomic.cxx
+    set(CMAKE_REQUIRED_INCLUDES ${CMAKE_INCLUDE_PATH})
+    check_cxx_source_compiles(
+       "int main() { unsigned mValue; return __sync_add_and_fetch(&mValue, 1); }"
+        GCC_ATOMIC_BUILTINS_FOUND)
 endif(CMAKE_COMPILER_IS_GNUCXX)
 
 if(WIN32)
@@ -218,12 +237,14 @@ 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)
 
@@ -237,5 +258,3 @@ CONFIGURE_FILE(
 ADD_CUSTOM_TARGET(uninstall
   "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
 
-
-