Provide error message when file isn't found.

[flightgear.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3ce0f265df2acc9e23a5394cebbd3ea1ab0f94e5..6e356fbec116f54832b95af29f201c09c46bbee3 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,9 +5,19 @@ include (CheckCSourceCompiles)
 include (CheckCXXSourceCompiles)
 include (CheckIncludeFile)
 
-
 project(FlightGear)
 
+# We have some custom .cmake scripts not in the official distribution.
+set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
+
+if(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
+    # use official include provided by latest CMake
+    include(GNUInstallDirs)
+else(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
+    # backward compatibility: use our own module for older cmake versions
+    include(OldGNUInstallDirs)
+endif(${CMAKE_VERSION} VERSION_GREATER 2.8.4)
+
 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")
@@ -18,6 +28,13 @@ file(READ version versionFile)
 string(STRIP ${versionFile} FLIGHTGEAR_VERSION) 
 
 #packaging
+if(EXISTS ${PROJECT_SOURCE_DIR}/.gitignore)
+    file(READ .gitignore CPACK_SOURCE_IGNORE_FILES)
+else()
+    # clean tar-balls do not contain SCM (.git/.gitignore/...) files.
+    set(CPACK_SOURCE_IGNORE_FILES
+      "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
+endif()
 
 # split version string into components, note CMAKE_MATCH_0 is the entire regexp match
 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" CPACK_PACKAGE_VERSION ${FLIGHTGEAR_VERSION} )
@@ -29,14 +46,9 @@ SET(CPACK_RESOURCE_FILE_README "${PROJECT_SOURCE_DIR}/README")
 
 set(CPACK_SOURCE_GENERATOR TBZ2 ZIP)
 set(CPACK_SOURCE_PACKAGE_FILE_NAME "flightgear-${FLIGHTGEAR_VERSION}" CACHE INTERNAL "tarball basename")
-set(CPACK_SOURCE_IGNORE_FILES
-  "^${PROJECT_SOURCE_DIR}/.git;\\\\.gitignore;Makefile.am;~$;${CPACK_SOURCE_IGNORE_FILES}")
 
 include (CPack)
 
-# We have some custom .cmake scripts not in the official distribution.
-set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules;${CMAKE_MODULE_PATH}")
-
 if (FG_DATA_DIR)
     message(STATUS "Using explicit data-dir: ${FG_DATA_DIR}")
 else()
@@ -64,11 +76,15 @@ IF(APPLE)
     set(EVENT_INPUT_DEFAULT 1)
     
     find_library(CORESERVICES_LIBRARY CoreServices)
-    list(APPEND PLATFORM_LIBS ${CORESERVICES_LIBRARY})
+    find_library(COCOA_LIBRARY Cocoa)
+    list(APPEND PLATFORM_LIBS ${COCOA_LIBRARY} ${CORESERVICES_LIBRARY})
 
 elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
-    # disabled while DBus / HAL / udev issues are decided
-    #set(EVENT_INPUT_DEFAULT 1)
+       find_package(UDev)
+
+       if(UDEV_FOUND)
+               set(EVENT_INPUT_DEFAULT 1)
+       endif(UDEV_FOUND)
 endif()
 
 find_package(Git)
@@ -147,19 +163,23 @@ endif (MSVC AND MSVC_3RDPARTY_ROOT)
 
 if(EVENT_INPUT)
        message(STATUS "checking event-based Input")
-       
+
        IF(APPLE)
 
        elseif(CMAKE_SYSTEM_NAME MATCHES "Linux")
-        find_package(DBus)
-        if(NOT DBUS_FOUND)
-            message(WARNING "DBus not found, event input will be disabled")
-            set(EVENT_INPUT 0)
-        endif()
-        
+               if(NOT UDEV_FOUND)
+                       message(WARNING "UDev not found, event input is disabled!")
+                       set(EVENT_INPUT 0)
+               else()
+                       set(EVENT_INPUT_LIBRARIES ${UDEV_LIBRARIES})
+               endif()
+
        else()
                message(WARNING "event input is not supported on this platform yet")
        endif()
+
+       # Keep PLIB INPUT enabled as long as EventInput does not replace current joystick configurations.
+       set(ENABLE_PLIB_JOYSTICK 1)
 else(EVENT_INPUT)
        set(ENABLE_PLIB_JOYSTICK 1)
 endif(EVENT_INPUT)
@@ -171,7 +191,7 @@ find_package(Threads REQUIRED)
 find_package(OpenGL REQUIRED)
 find_package(OpenAL REQUIRED)
 find_package(ALUT REQUIRED)
-find_package(OpenSceneGraph 2.8.1 REQUIRED osgText osgSim osgDB osgParticle osgFX osgUtil osgViewer osgGA)
+find_package(OpenSceneGraph 3.0.0 REQUIRED osgText osgSim osgDB osgParticle osgFX osgUtil osgViewer osgGA)
 
 if(ENABLE_FGADMIN)
   find_package(FLTK)
@@ -195,7 +215,11 @@ if (JPEG_FACTORY)
     find_package(JPEG REQUIRED)
     include_directories(${JPEG_INCLUDE_DIR})
     
-    set(CMAKE_REQUIRED_INCLUDES ${SIMGEAR_INCLUDE_DIR} ${JPEG_INCLUDE_DIR})
+    set(CMAKE_REQUIRED_INCLUDES 
+        ${SIMGEAR_INCLUDE_DIR} 
+        ${JPEG_INCLUDE_DIR} 
+        ${OPENSCENEGRAPH_INCLUDE_DIRS})
+        
     check_cxx_source_compiles(
         "#include <simgear/screen/jpgfactory.hxx>
         int main()    { return 0; } "
@@ -292,13 +316,13 @@ add_subdirectory(utils)
 add_subdirectory(man)
 
 set (INSTALL_DOCS 
-    README
+       README
        README.OpenAL
        README.plib
        README.OSG
        README.SimGear)
 
-INSTALL(FILES ${INSTALL_DOCS} DESTINATION doc OPTIONAL)
+INSTALL(FILES ${INSTALL_DOCS} DESTINATION ${CMAKE_INSTALL_DOCDIR} OPTIONAL)
 
 #-----------------------------------------------------------------------------
 ### uninstall target