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ENH: Better support for "fltk-config" binary, added options so the user 

doesn't have to have everything in order for FLTK_FOUND to be true.  #7809
This commit is contained in:
Philip Lowman 2009-01-23 00:30:22 -05:00
parent f0eef5ab52
commit 138c445781
1 changed files with 60 additions and 37 deletions
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81
Modules/FindFLTK.cmake
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@ -1,22 +1,37 @@
# - Find the native FLTK includes and library # - Find the native FLTK includes and library
# The following settings are defined #
# By default FindFLTK.cmake will search for all of the FLTK components and
# add them to the FLTK_LIBRARIES variable.
#
# You can limit the components which get placed in FLTK_LIBRARIES by
# defining one or more of the following three options:
#
# FLTK_SKIP_OPENGL, set to true to disable searching for opengl and
# the FLTK GL library
# FLTK_SKIP_FORMS, set to true to disable searching for fltk_forms
# FLTK_SKIP_IMAGES, set to true to disable searching for fltk_images
#
# FLTK_SKIP_FLUID, set to true if the fluid binary need not be present
# at build time
#
# The following variables will be defined:
# FLTK_FOUND, True if all components not skipped were found
# FLTK_INCLUDE_DIR, where to find include files
# FLTK_LIBRARIES, list of fltk libraries you should link against
# FLTK_FLUID_EXECUTABLE, where to find the Fluid tool # FLTK_FLUID_EXECUTABLE, where to find the Fluid tool
# FLTK_WRAP_UI, This enables the FLTK_WRAP_UI command # FLTK_WRAP_UI, This enables the FLTK_WRAP_UI command
# FLTK_INCLUDE_DIR, where to find include files #
# FLTK_LIBRARIES, list of fltk libraries # The following cache variables are assigned but should not be used.
# FLTK_FOUND, Don't use FLTK if false. # See the FLTK_LIBRARIES variable instead.
# The following settings should not be used in general. #
# FLTK_BASE_LIBRARY = the full path to fltk.lib # FLTK_BASE_LIBRARY = the full path to fltk.lib
# FLTK_GL_LIBRARY = the full path to fltk_gl.lib # FLTK_GL_LIBRARY = the full path to fltk_gl.lib
# FLTK_FORMS_LIBRARY = the full path to fltk_forms.lib # FLTK_FORMS_LIBRARY = the full path to fltk_forms.lib
# FLTK_IMAGES_LIBRARY = the full path to fltk_images.lib # FLTK_IMAGES_LIBRARY = the full path to fltk_images.lib
IF (FLTK_INCLUDE_DIR) IF(NOT FLTK_SKIP_OPENGL)
# Already in cache, be silent
SET(FLTK_FIND_QUIETLY TRUE)
ENDIF (FLTK_INCLUDE_DIR)
FIND_PACKAGE(OpenGL) FIND_PACKAGE(OpenGL)
ENDIF()
# Platform dependent libraries required by FLTK # Platform dependent libraries required by FLTK
IF(WIN32) IF(WIN32)
@ -177,7 +192,8 @@ ENDIF(NOT FLTK_DIR)
ENDIF(FLTK_FLUID_EXECUTABLE) ENDIF(FLTK_FLUID_EXECUTABLE)
# #
# Try to find FLTK include dir # Try to find FLTK include dir using fltk-config
#
IF(UNIX) IF(UNIX)
# Use fltk-config to generate a list of possible include directories # Use fltk-config to generate a list of possible include directories
FIND_PROGRAM(FLTK_CONFIG_SCRIPT fltk-config PATHS ${FLTK_BIN_DIR}) FIND_PROGRAM(FLTK_CONFIG_SCRIPT fltk-config PATHS ${FLTK_BIN_DIR})
@ -185,8 +201,12 @@ ENDIF(NOT FLTK_DIR)
IF(NOT FLTK_INCLUDE_DIR) IF(NOT FLTK_INCLUDE_DIR)
EXEC_PROGRAM(${FLTK_CONFIG_SCRIPT} ARGS --cxxflags OUTPUT_VARIABLE FLTK_CXXFLAGS) EXEC_PROGRAM(${FLTK_CONFIG_SCRIPT} ARGS --cxxflags OUTPUT_VARIABLE FLTK_CXXFLAGS)
IF(FLTK_CXXFLAGS) IF(FLTK_CXXFLAGS)
STRING(REGEX REPLACE "-I" "" _FLTK_POSSIBLE_INCLUDE_DIRS ${FLTK_CXXFLAGS}) STRING(REGEX MATCHALL "-I[^ ]*" _fltk_temp_dirs ${FLTK_CXXFLAGS})
STRING(REGEX REPLACE "-D[A-Za-z0-9_=]+" "" _FLTK_POSSIBLE_INCLUDE_DIRS ${_FLTK_POSSIBLE_INCLUDE_DIRS}) STRING(REPLACE "-I" "" _fltk_temp_dirs "${_fltk_temp_dirs}")
FOREACH(_dir ${_fltk_temp_dirs})
STRING(STRIP ${_dir} _output)
LIST(APPEND _FLTK_POSSIBLE_INCLUDE_DIRS ${_output})
ENDFOREACH()
ENDIF(FLTK_CXXFLAGS) ENDIF(FLTK_CXXFLAGS)
ENDIF() ENDIF()
ENDIF() ENDIF()
@ -249,24 +269,29 @@ ENDIF(NOT FLTK_DIR)
ENDIF(FLTK_BUILT_WITH_CMAKE) ENDIF(FLTK_BUILT_WITH_CMAKE)
# Append all of the required libraries together (by default, everything)
SET(FLTK_FOUND 1) SET(FLTK_LIBRARIES)
FOREACH(var FLTK_FLUID_EXECUTABLE FLTK_INCLUDE_DIR IF(NOT FLTK_SKIP_IMAGES)
FLTK_BASE_LIBRARY FLTK_GL_LIBRARY LIST(APPEND FLTK_LIBRARIES ${FLTK_IMAGES_LIBRARY})
FLTK_FORMS_LIBRARY FLTK_IMAGES_LIBRARY) ENDIF()
IF(NOT ${var}) IF(NOT FLTK_SKIP_FORMS)
SET(FLTK_FOUND 0) LIST(APPEND FLTK_LIBRARIES ${FLTK_FORMS_LIBRARY})
ENDIF(NOT ${var}) ENDIF()
ENDFOREACH(var) IF(NOT FLTK_SKIP_OPENGL)
IF(FLTK_FOUND)
SET(FLTK_LIBRARIES ${FLTK_IMAGES_LIBRARY} ${FLTK_IMAGES_LIBS} ${FLTK_BASE_LIBRARY})
IF(FLTK_GL_LIBRARY AND OPENGL_FOUND)
LIST(APPEND FLTK_LIBRARIES ${FLTK_GL_LIBRARY} ${OPENGL_gl_LIBRARY}) LIST(APPEND FLTK_LIBRARIES ${FLTK_GL_LIBRARY} ${OPENGL_gl_LIBRARY})
LIST(APPEND FLTK_INCLUDE_DIR ${OPENGL_INCLUDE_DIR}) LIST(APPEND FLTK_INCLUDE_DIR ${OPENGL_INCLUDE_DIR})
LIST(REMOVE_DUPLICATES FLTK_INCLUDE_DIR)
ENDIF() ENDIF()
LIST(APPEND FLTK_LIBRARIES ${FLTK_FORMS_LIBRARY}) LIST(APPEND FLTK_LIBRARIES ${FLTK_BASE_LIBRARY})
INCLUDE(FindPackageHandleStandardArgs)
IF(FLTK_SKIP_FLUID)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(FLTK DEFAULT_MSG FLTK_LIBRARIES FLTK_INCLUDE_DIR)
ELSE()
FIND_PACKAGE_HANDLE_STANDARD_ARGS(FLTK DEFAULT_MSG FLTK_LIBRARIES FLTK_INCLUDE_DIR FLTK_FLUID_EXECUTABLE)
ENDIF()
IF(FLTK_FOUND)
IF(APPLE) IF(APPLE)
SET(FLTK_LIBRARIES ${FLTK_PLATFORM_DEPENDENT_LIBS} ${FLTK_LIBRARIES}) SET(FLTK_LIBRARIES ${FLTK_PLATFORM_DEPENDENT_LIBS} ${FLTK_LIBRARIES})
ELSE(APPLE) ELSE(APPLE)
@ -280,5 +305,3 @@ IF(FLTK_FOUND)
SET (FLTK_LIBRARY ${FLTK_LIBRARIES}) SET (FLTK_LIBRARY ${FLTK_LIBRARIES})
ENDIF(FLTK_FOUND) ENDIF(FLTK_FOUND)
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(FLTK DEFAULT_MSG FLTK_LIBRARIES FLTK_INCLUDE_DIR)