ENH: add from bug 0004219

1 files changed, 268 insertions, 0 deletions

diff --git a/Modules/FindFLTK2.cmake b/Modules/FindFLTK2.cmake
new file mode 100644
index 0000000..a434758
--- /dev/null
+++ b/Modules/FindFLTK2.cmake
@@ -0,0 +1,268 @@
+# - Find the native FLTK2 includes and library
+# The following settings are defined
+#  FLTK2_FLUID_EXECUTABLE, where to find the Fluid tool
+#  FLTK2_WRAP_UI, This enables the FLTK2_WRAP_UI command
+#  FLTK2_INCLUDE_DIR, where to find include files
+#  FLTK2_LIBRARIES, list of fltk2 libraries
+#  FLTK2_FOUND, Don't use FLTK2 if false.
+# The following settings should not be used in general.
+#  FLTK2_BASE_LIBRARY   = the full path to fltk2.lib
+#  FLTK2_GL_LIBRARY     = the full path to fltk2_gl.lib
+#  FLTK2_IMAGES_LIBRARY = the full path to fltk2_images.lib
+
+SET (FLTK2_DIR $ENV{FLTK2_DIR} )
+
+#  Platform dependent libraries required by FLTK2
+IF(WIN32)
+  IF(NOT CYGWIN)
+    IF(BORLAND)
+      SET( FLTK2_PLATFORM_DEPENDENT_LIBS import32 )
+    ELSE(BORLAND)
+      SET( FLTK2_PLATFORM_DEPENDENT_LIBS wsock32 comctl32 )
+    ENDIF(BORLAND)
+  ENDIF(NOT CYGWIN)
+ENDIF(WIN32)
+
+IF(UNIX)
+  INCLUDE(${CMAKE_ROOT}/Modules/FindX11.cmake)
+  SET( FLTK2_PLATFORM_DEPENDENT_LIBS ${X11_LIBRARIES} -lm)
+ENDIF(UNIX)
+
+IF(APPLE)
+  SET( FLTK2_PLATFORM_DEPENDENT_LIBS  "-framework Carbon -framework Cocoa -framework ApplicationServices -lz")
+ENDIF(APPLE)
+
+IF(CYGWIN)
+  SET( FLTK2_PLATFORM_DEPENDENT_LIBS ole32 uuid comctl32 wsock32 supc++ -lm -lgdi32)
+ENDIF(CYGWIN)
+
+# If FLTK2_INCLUDE_DIR is already defined we assigne its value to FLTK2_DIR
+IF(FLTK2_INCLUDE_DIR)
+  SET(FLTK2_DIR ${FLTK2_INCLUDE_DIR})
+ELSE(FLTK2_INCLUDE_DIR)
+  SET(FLTK2_INCLUDE_DIR ${FLTK2_DIR})
+ENDIF(FLTK2_INCLUDE_DIR)
+
+
+# If FLTK2 has been built using CMake we try to find everything directly
+SET(FLTK2_DIR_STRING "directory containing FLTK2Config.cmake.  This is either the root of the build tree, or PREFIX/lib/fltk for an installation.")
+
+# Search only if the location is not already known.
+IF(NOT FLTK2_DIR)
+  # Get the system search path as a list.
+  IF(UNIX)
+    STRING(REGEX MATCHALL "[^:]+" FLTK2_DIR_SEARCH1 "$ENV{PATH}")
+  ELSE(UNIX)
+    STRING(REGEX REPLACE "\\\\" "/" FLTK2_DIR_SEARCH1 "$ENV{PATH}")
+  ENDIF(UNIX)
+  STRING(REGEX REPLACE "/;" ";" FLTK2_DIR_SEARCH2 ${FLTK2_DIR_SEARCH1})
+
+  # Construct a set of paths relative to the system search path.
+  SET(FLTK2_DIR_SEARCH "")
+  FOREACH(dir ${FLTK2_DIR_SEARCH2})
+    SET(FLTK2_DIR_SEARCH ${FLTK2_DIR_SEARCH} "${dir}/../lib/fltk")
+  ENDFOREACH(dir)
+
+  #
+  # Look for an installation or build tree.
+  #
+  FIND_PATH(FLTK2_DIR FLTK2Config.cmake
+    # Look for an environment variable FLTK2_DIR.
+    $ENV{FLTK2_DIR}
+
+    # Look in places relative to the system executable search path.
+    ${FLTK2_DIR_SEARCH}
+
+    # Look in standard UNIX install locations.
+    /usr/local/lib/fltk2
+    /usr/lib/fltk2
+    /usr/local/include
+    /usr/include
+    /usr/local/fltk2
+    /usr/X11R6/include
+
+    # Read from the CMakeSetup registry entries.  It is likely that
+    # FLTK2 will have been recently built.
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild1]
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild2]
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild3]
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild4]
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild5]
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild6]
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild7]
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild8]
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild9]
+    [HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild10]
+
+    # Help the user find it if we cannot.
+    DOC "The ${FLTK2_DIR_STRING}"
+    )
+
+  IF(NOT FLTK2_DIR)
+    FIND_PATH(FLTK2_DIR fltk/run.h ${FLTK2_INCLUDE_SEARCH_PATH})
+  ENDIF(NOT FLTK2_DIR)
+
+ENDIF(NOT FLTK2_DIR)
+
+
+# If FLTK2 was found, load the configuration file to get the rest of the
+# settings.
+IF(FLTK2_DIR)
+
+  # Check if FLTK2 was built using CMake
+  IF(EXISTS ${FLTK2_DIR}/FLTK2Config.cmake)
+    SET(FLTK2_BUILT_WITH_CMAKE 1)
+  ENDIF(EXISTS ${FLTK2_DIR}/FLTK2Config.cmake)
+
+  IF(FLTK2_BUILT_WITH_CMAKE)
+    SET(FLTK2_FOUND 1)
+    INCLUDE(${FLTK2_DIR}/FLTK2Config.cmake)
+
+    # Fluid
+    IF(FLUID_COMMAND) 
+      SET(FLTK2_FLUID_EXECUTABLE ${FLUID_COMMAND} CACHE FILEPATH "Fluid executable")
+    ELSE(FLUID_COMMAND) 
+      FIND_PROGRAM(FLTK2_FLUID_EXECUTABLE fluid2 PATHS 
+        ${FLTK2_EXECUTABLE_DIRS}
+        ${FLTK2_EXECUTABLE_DIRS}/RelWithDebInfo
+        ${FLTK2_EXECUTABLE_DIRS}/Debug
+        ${FLTK2_EXECUTABLE_DIRS}/Release
+        NO_SYSTEM_PATH)
+    ENDIF(FLUID_COMMAND)
+
+    MARK_AS_ADVANCED(FLTK2_FLUID_EXECUTABLE)
+    SET( FLTK_FLUID_EXECUTABLE ${FLTK2_FLUID_EXECUTABLE} )
+
+    
+
+
+    SET(FLTK2_INCLUDE_DIR ${FLTK2_DIR})
+    LINK_DIRECTORIES(${FLTK2_LIBRARY_DIRS})
+
+    SET(FLTK2_BASE_LIBRARY fltk2)
+    SET(FLTK2_GL_LIBRARY fltk2_gl)
+    SET(FLTK2_IMAGES_LIBRARY fltk2_images)
+
+    # Add the extra libraries
+    LOAD_CACHE(${FLTK2_DIR}
+      READ_WITH_PREFIX
+      FL FLTK2_USE_SYSTEM_JPEG
+      FL FLTK2_USE_SYSTEM_PNG
+      FL FLTK2_USE_SYSTEM_ZLIB
+      )
+
+    SET(FLTK2_IMAGES_LIBS "")
+    IF(FLFLTK2_USE_SYSTEM_JPEG)
+      SET(FLTK2_IMAGES_LIBS ${FLTK2_IMAGES_LIBS} fltk2_jpeg)
+    ENDIF(FLFLTK2_USE_SYSTEM_JPEG)
+    IF(FLFLTK2_USE_SYSTEM_PNG)
+      SET(FLTK2_IMAGES_LIBS ${FLTK2_IMAGES_LIBS} fltk2_png)
+    ENDIF(FLFLTK2_USE_SYSTEM_PNG)
+    IF(FLFLTK2_USE_SYSTEM_ZLIB)
+      SET(FLTK2_IMAGES_LIBS ${FLTK2_IMAGES_LIBS} fltk2_zlib)
+    ENDIF(FLFLTK2_USE_SYSTEM_ZLIB)
+    SET(FLTK2_IMAGES_LIBS "${FLTK2_IMAGES_LIBS}" CACHE INTERNAL
+      "Extra libraries for fltk2_images library.")
+
+  ELSE(FLTK2_BUILT_WITH_CMAKE)
+
+    # if FLTK2 was not built using CMake
+    # Find fluid executable.
+    FIND_PROGRAM(FLTK2_FLUID_EXECUTABLE fluid2 ${FLTK2_INCLUDE_DIR}/fluid)
+
+    # Use location of fluid to help find everything else.
+    SET(FLTK2_INCLUDE_SEARCH_PATH "")
+    SET(FLTK2_LIBRARY_SEARCH_PATH "")
+    IF(FLTK2_FLUID_EXECUTABLE)
+      SET( FLTK_FLUID_EXECUTABLE ${FLTK2_FLUID_EXECUTABLE} )
+      GET_FILENAME_COMPONENT(FLTK2_BIN_DIR "${FLTK2_FLUID_EXECUTABLE}" PATH)
+      SET(FLTK2_INCLUDE_SEARCH_PATH ${FLTK2_INCLUDE_SEARCH_PATH}
+        ${FLTK2_BIN_DIR}/../include ${FLTK2_BIN_DIR}/..)
+      SET(FLTK2_LIBRARY_SEARCH_PATH ${FLTK2_LIBRARY_SEARCH_PATH}
+        ${FLTK2_BIN_DIR}/../lib)
+      SET(FLTK2_WRAP_UI 1)
+    ENDIF(FLTK2_FLUID_EXECUTABLE)
+
+    SET(FLTK2_INCLUDE_SEARCH_PATH ${FLTK2_INCLUDE_SEARCH_PATH}
+      /usr/local/include
+      /usr/include
+      /usr/local/fltk2
+      /usr/X11R6/include
+      )
+
+    FIND_PATH(FLTK2_INCLUDE_DIR fltk/run.h ${FLTK2_INCLUDE_SEARCH_PATH})
+
+    SET(FLTK2_LIBRARY_SEARCH_PATH ${FLTK2_LIBRARY_SEARCH_PATH}
+      /usr/lib
+      /usr/local/lib
+      /usr/local/fltk2/lib
+      /usr/X11R6/lib
+      ${FLTK2_INCLUDE_DIR}/lib
+      )
+
+    FIND_LIBRARY(FLTK2_BASE_LIBRARY NAMES fltk2
+      PATHS ${FLTK2_LIBRARY_SEARCH_PATH})
+    FIND_LIBRARY(FLTK2_GL_LIBRARY NAMES fltk2_gl 
+      PATHS ${FLTK2_LIBRARY_SEARCH_PATH})
+    FIND_LIBRARY(FLTK2_IMAGES_LIBRARY NAMES fltk2_images
+      PATHS ${FLTK2_LIBRARY_SEARCH_PATH})
+
+    # Find the extra libraries needed for the fltk_images library.
+    IF(UNIX)
+      FIND_PROGRAM(FLTK2_CONFIG_SCRIPT fltk2-config PATHS ${FLTK2_BIN_DIR})
+      IF(FLTK2_CONFIG_SCRIPT)
+        EXEC_PROGRAM(${FLTK2_CONFIG_SCRIPT} ARGS --use-images --ldflags
+          OUTPUT_VARIABLE FLTK2_IMAGES_LDFLAGS)
+        SET(FLTK2_LIBS_EXTRACT_REGEX ".*-lfltk2_images (.*) -lfltk2.*")
+        IF("${FLTK2_IMAGES_LDFLAGS}" MATCHES "${FLTK2_LIBS_EXTRACT_REGEX}")
+          STRING(REGEX REPLACE "${FLTK2_LIBS_EXTRACT_REGEX}" "\\1"
+            FLTK2_IMAGES_LIBS "${FLTK2_IMAGES_LDFLAGS}")
+          STRING(REGEX REPLACE " +" ";" FLTK2_IMAGES_LIBS "${FLTK2_IMAGES_LIBS}")
+          # The EXEC_PROGRAM will not be inherited into subdirectories from
+          # the file that originally included this module.  Save the answer.
+          SET(FLTK2_IMAGES_LIBS "${FLTK2_IMAGES_LIBS}" CACHE INTERNAL
+            "Extra libraries for fltk_images library.")
+        ENDIF("${FLTK2_IMAGES_LDFLAGS}" MATCHES "${FLTK2_LIBS_EXTRACT_REGEX}")
+      ENDIF(FLTK2_CONFIG_SCRIPT)
+    ENDIF(UNIX)
+
+  ENDIF(FLTK2_BUILT_WITH_CMAKE)
+ENDIF(FLTK2_DIR)
+
+
+SET(FLTK2_FOUND 1)
+FOREACH(var FLTK2_FLUID_EXECUTABLE FLTK2_INCLUDE_DIR
+    FLTK2_BASE_LIBRARY FLTK2_GL_LIBRARY
+    FLTK2_IMAGES_LIBRARY)
+  IF(NOT ${var})
+    MESSAGE( STATUS "${var} not found" )
+    SET(FLTK2_FOUND 0)
+  ENDIF(NOT ${var})
+ENDFOREACH(var)
+
+
+IF(FLTK2_FOUND)
+  SET(FLTK2_LIBRARIES ${FLTK2_IMAGES_LIBRARY} ${FLTK2_IMAGES_LIBS} ${FLTK2_BASE_LIBRARY} ${FLTK2_GL_LIBRARY} )
+  IF(APPLE)
+    SET(FLTK2_LIBRARIES ${FLTK2_PLATFORM_DEPENDENT_LIBS} ${FLTK2_LIBRARIES})
+  ELSE(APPLE)
+    SET(FLTK2_LIBRARIES ${FLTK2_LIBRARIES} ${FLTK2_PLATFORM_DEPENDENT_LIBS})
+  ENDIF(APPLE)
+
+  # The following deprecated settings are for compatibility with CMake 1.4
+  SET (HAS_FLTK2 ${FLTK2_FOUND})
+  SET (FLTK2_INCLUDE_PATH ${FLTK2_INCLUDE_DIR})
+  SET (FLTK2_FLUID_EXE ${FLTK2_FLUID_EXECUTABLE})
+  SET (FLTK2_LIBRARY ${FLTK2_LIBRARIES})
+ELSE(FLTK2_FOUND)
+  # make FIND_PACKAGE friendly
+  IF(NOT FLTK2_FIND_QUIETLY)
+    IF(FLTK2_FIND_REQUIRED)
+      MESSAGE(FATAL_ERROR
+              "FLTK2 required, please specify its location with FLTK2_DIR.")
+    ELSE(FLTK2_FIND_REQUIRED)
+      MESSAGE(STATUS "FLTK2 was not found.")
+    ENDIF(FLTK2_FIND_REQUIRED)
+  ENDIF(NOT FLTK2_FIND_QUIETLY)
+ENDIF(FLTK2_FOUND)
+