ref: 9eaba52cafcac7c2f3bfc72d7be1f15893196be1
dir: /DoConfig/fltk/CMake/options.cmake/
#
# "$Id$"
#
# Main CMakeLists.txt to build the FLTK project using CMake (www.cmake.org)
# Written by Michael Surette
#
# Copyright 1998-2016 by Bill Spitzak and others.
#
# This library is free software. Distribution and use rights are outlined in
# the file "COPYING" which should have been included with this file. If this
# file is missing or damaged, see the license at:
#
# http://www.fltk.org/COPYING.php
#
# Please report all bugs and problems on the following page:
#
# http://www.fltk.org/str.php
#
#######################################################################
# options
#######################################################################
set(OPTION_OPTIM ""
CACHE STRING
"custom optimization flags"
)
add_definitions(${OPTION_OPTIM})
#######################################################################
set(OPTION_ARCHFLAGS ""
CACHE STRING
"custom architecture flags"
)
add_definitions(${OPTION_ARCHFLAGS})
#######################################################################
set(OPTION_ABI_VERSION ""
CACHE STRING
"FLTK ABI Version FL_ABI_VERSION: 1xxyy for 1.x.y (xx,yy with leading zero)"
)
set(FL_ABI_VERSION ${OPTION_ABI_VERSION})
#######################################################################
#######################################################################
if(UNIX)
option(OPTION_CREATE_LINKS "create backwards compatibility links" OFF)
list(APPEND FLTK_LDLIBS -lm)
endif(UNIX)
#######################################################################
if(APPLE)
option(OPTION_APPLE_X11 "use X11" OFF)
endif(APPLE)
if((NOT APPLE OR OPTION_APPLE_X11) AND NOT WIN32)
include(FindX11)
if(X11_FOUND)
set(USE_X11 1)
list(APPEND FLTK_LDLIBS -lX11)
if (X11_Xext_FOUND)
list(APPEND FLTK_LDLIBS -lXext)
endif(X11_Xext_FOUND)
endif(X11_FOUND)
endif((NOT APPLE OR OPTION_APPLE_X11) AND NOT WIN32)
#######################################################################
option(OPTION_USE_POLL "use poll if available" OFF)
mark_as_advanced(OPTION_USE_POLL)
if(OPTION_USE_POLL)
CHECK_FUNCTION_EXISTS(poll USE_POLL)
endif(OPTION_USE_POLL)
#######################################################################
option(OPTION_BUILD_SHARED_LIBS
"Build shared libraries(in addition to static libraries)"
OFF
)
#######################################################################
option(OPTION_BUILD_EXAMPLES "build example programs" ON)
#######################################################################
if(DOXYGEN_FOUND)
option(OPTION_BUILD_HTML_DOCUMENTATION "build html docs" OFF)
option(OPTION_INSTALL_HTML_DOCUMENTATION "install html docs" OFF)
if(LATEX_FOUND)
option(OPTION_BUILD_PDF_DOCUMENTATION "build pdf docs" OFF)
option(OPTION_INSTALL_PDF_DOCUMENTATION "install pdf docs" OFF)
endif(LATEX_FOUND)
endif(DOXYGEN_FOUND)
if(OPTION_BUILD_HTML_DOCUMENTATION OR OPTION_BUILD_PDF_DOCUMENTATION)
add_subdirectory(documentation)
endif(OPTION_BUILD_HTML_DOCUMENTATION OR OPTION_BUILD_PDF_DOCUMENTATION)
#######################################################################
include(FindPkgConfig)
option(OPTION_CAIRO "use lib Cairo" OFF)
option(OPTION_CAIROEXT
"use FLTK code instrumentation for Cairo extended use" OFF
)
if ((OPTION_CAIRO OR OPTION_CAIROEXT) AND LIB_CAIRO)
pkg_search_module(PKG_CAIRO cairo)
endif ((OPTION_CAIRO OR OPTION_CAIROEXT) AND LIB_CAIRO)
if (PKG_CAIRO_FOUND)
set (FLTK_HAVE_CAIRO 1)
add_subdirectory(cairo)
list(APPEND FLTK_LDLIBS -lcairo -lpixman-1)
include_directories(${PKG_CAIRO_INCLUDE_DIRS})
string(REPLACE ";" " " CAIROFLAGS "${PKG_CAIRO_CFLAGS}")
endif (PKG_CAIRO_FOUND)
if (LIB_CAIRO AND OPTION_CAIROEXT AND PKG_CAIRO_FOUND)
set(FLTK_USE_CAIRO 1)
set(FLTK_CAIRO_FOUND TRUE)
else()
set(FLTK_CAIRO_FOUND FALSE)
endif (LIB_CAIRO AND OPTION_CAIROEXT AND PKG_CAIRO_FOUND)
if ((OPTION_CAIRO OR OPTION_CAIROEXT) AND NOT PKG_CAIRO_FOUND)
message(STATUS "*** Cairo was requested but not found - please install Cairo ...")
message(STATUS "*** or disable options OPTION_CAIRO and OPTION_CAIRO_EXT")
message(FATAL_ERROR "*** Terminating: missing Cairo libs or headers")
endif ((OPTION_CAIRO OR OPTION_CAIROEXT) AND NOT PKG_CAIRO_FOUND)
#######################################################################
set(HAVE_GL LIB_GL OR LIB_MesaGL)
if(HAVE_GL)
option(OPTION_USE_GL "use OpenGL" ON)
endif(HAVE_GL)
if(OPTION_USE_GL)
if(OPTION_APPLE_X11)
set(OPENGL_FOUND TRUE)
get_filename_component(PATH_TO_XLIBS ${X11_X11_LIB} PATH)
set(OPENGL_LIBRARIES -L${PATH_TO_XLIBS} -lGLU -lGL)
find_file(HAVE_GL_GLU_H GL/glu.h PATHS /opt/X11/include)
else()
include(FindOpenGL)
if(APPLE)
set(HAVE_GL_GLU_H ${HAVE_OPENGL_GLU_H})
endif(APPLE)
endif(OPTION_APPLE_X11)
endif(OPTION_USE_GL)
if(OPENGL_FOUND)
set(CMAKE_REQUIRED_INCLUDES ${OPENGL_INCLUDE_DIR}/GL)
set(GLLIB "-lGLU -lGL")
# check if function glXGetProcAddressARB exists
set(TEMP_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
set(CMAKE_REQUIRED_LIBRARIES GLU GL)
CHECK_FUNCTION_EXISTS(glXGetProcAddressARB HAVE_GLXGETPROCADDRESSARB)
set(CMAKE_REQUIRED_LIBRARIES ${TEMP_REQUIRED_LIBRARIES})
unset(TEMP_REQUIRED_LIBRARIES)
set(FLTK_GL_FOUND TRUE)
else()
set(FLTK_GL_FOUND FALSE)
endif(OPENGL_FOUND)
#######################################################################
option(OPTION_USE_THREADS "use multi-threading" ON)
if(OPTION_USE_THREADS)
include(FindThreads)
endif(OPTION_USE_THREADS)
if(OPTION_USE_THREADS AND CMAKE_HAVE_THREADS_LIBRARY)
add_definitions("-D_THREAD_SAFE -D_REENTRANT")
set(USE_THREADS 1)
set(FLTK_THREADS_FOUND TRUE)
else()
set(FLTK_THREADS_FOUND FALSE)
endif(OPTION_USE_THREADS AND CMAKE_HAVE_THREADS_LIBRARY)
if(OPTION_USE_THREADS AND CMAKE_USE_PTHREADS_INIT)
set(HAVE_PTHREAD 1)
if(NOT APPLE)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pthread")
endif(NOT APPLE)
list(APPEND FLTK_LDLIBS -lpthread)
list(APPEND FLTK_CFLAGS -D_THREAD_SAFE -D_REENTRANT)
set(FLTK_PTHREADS_FOUND TRUE)
else()
set(HAVE_PTHREAD 0)
set(HAVE_PTHREAD_H 0)
set(FLTK_PTHREADS_FOUND FALSE)
endif(OPTION_USE_THREADS AND CMAKE_USE_PTHREADS_INIT)
#######################################################################
option(OPTION_LARGE_FILE "enable large file support" ON)
if(OPTION_LARGE_FILE)
if(NOT MSVC)
add_definitions(-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE)
list(APPEND FLTK_CFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE)
endif(NOT MSVC)
endif(OPTION_LARGE_FILE)
#######################################################################
option(OPTION_USE_SYSTEM_ZLIB "use system zlib" ON)
if(OPTION_USE_SYSTEM_ZLIB AND LIB_zlib)
include(FindZLIB)
endif(OPTION_USE_SYSTEM_ZLIB AND LIB_zlib)
if(OPTION_USE_SYSTEM_ZLIB AND ZLIB_FOUND)
set(FLTK_ZLIB_LIBRARIES ${ZLIB_LIBRARIES})
include_directories(${ZLIB_INCLUDE_DIRS})
set(FLTK_BUILTIN_ZLIB_FOUND FALSE)
else()
add_subdirectory(zlib)
set(FLTK_ZLIB_LIBRARIES fltk_z)
set(ZLIB_INCLUDE_DIR ${FLTK_SOURCE_DIR}/zlib)
include_directories(${FLTK_SOURCE_DIR}/zlib)
set(FLTK_BUILTIN_ZLIB_FOUND TRUE)
endif(OPTION_USE_SYSTEM_ZLIB AND ZLIB_FOUND)
if(OPTION_USE_SYSTEM_ZLIB AND NOT ZLIB_FOUND)
message(STATUS "\ncannot find system zlib library - using built-in\n")
endif(OPTION_USE_SYSTEM_ZLIB AND NOT ZLIB_FOUND)
set(HAVE_LIBZ 1)
#######################################################################
option(OPTION_USE_SYSTEM_LIBJPEG "use system libjpeg" ON)
if(OPTION_USE_SYSTEM_LIBJPEG AND LIB_jpeg)
include(FindJPEG)
endif(OPTION_USE_SYSTEM_LIBJPEG AND LIB_jpeg)
if(OPTION_USE_SYSTEM_LIBJPEG AND JPEG_FOUND)
set(FLTK_JPEG_LIBRARIES ${JPEG_LIBRARIES})
include_directories(${JPEG_INCLUDE_DIR})
set(FLTK_BUILTIN_JPEG_FOUND FALSE)
else()
add_subdirectory(jpeg)
set(FLTK_JPEG_LIBRARIES fltk_jpeg)
include_directories(${FLTK_SOURCE_DIR}/jpeg)
set(FLTK_BUILTIN_JPEG_FOUND TRUE)
endif(OPTION_USE_SYSTEM_LIBJPEG AND JPEG_FOUND)
if(OPTION_USE_SYSTEM_LIBJPEG AND NOT JPEG_FOUND)
message(STATUS "\ncannot find system jpeg library - using built-in\n")
endif(OPTION_USE_SYSTEM_LIBJPEG AND NOT JPEG_FOUND)
set(HAVE_LIBJPEG 1)
#######################################################################
option(OPTION_USE_SYSTEM_LIBPNG "use system libpng" ON)
if(OPTION_USE_SYSTEM_LIBPNG AND LIB_png)
include(FindPNG)
endif(OPTION_USE_SYSTEM_LIBPNG AND LIB_png)
if(OPTION_USE_SYSTEM_LIBPNG AND PNG_FOUND)
set(FLTK_PNG_LIBRARIES ${PNG_LIBRARIES})
include_directories(${PNG_INCLUDE_DIR})
add_definitions(${PNG_DEFINITIONS})
set(FLTK_BUILTIN_PNG_FOUND FALSE)
else()
add_subdirectory(png)
set(FLTK_PNG_LIBRARIES fltk_png)
set(HAVE_PNG_H 1)
set(HAVE_PNG_GET_VALID 1)
set(HAVE_PNG_SET_TRNS_TO_ALPHA 1)
include_directories(${FLTK_SOURCE_DIR}/png)
set(FLTK_BUILTIN_PNG_FOUND TRUE)
endif(OPTION_USE_SYSTEM_LIBPNG AND PNG_FOUND)
if(OPTION_USE_SYSTEM_LIBPNG AND NOT PNG_FOUND)
message(STATUS "\ncannot find system png library - using built-in\n")
endif(OPTION_USE_SYSTEM_LIBPNG AND NOT PNG_FOUND)
set(HAVE_LIBPNG 1)
#######################################################################
if(X11_Xinerama_FOUND)
option(OPTION_USE_XINERAMA "use lib Xinerama" ON)
endif(X11_Xinerama_FOUND)
if(OPTION_USE_XINERAMA)
set(HAVE_XINERAMA ${X11_Xinerama_FOUND})
include_directories(${X11_Xinerama_INCLUDE_PATH})
list(APPEND FLTK_LDLIBS -lXinerama)
set(FLTK_XINERAMA_FOUND TRUE)
else()
set(FLTK_XINERAMA_FOUND FALSE)
endif(OPTION_USE_XINERAMA)
#######################################################################
if(X11_Xfixes_FOUND)
option(OPTION_USE_XFIXES "use lib Xfixes" ON)
endif(X11_Xfixes_FOUND)
if(OPTION_USE_XFIXES)
set(HAVE_XFIXES ${X11_Xfixes_FOUND})
include_directories(${X11_Xfixes_INCLUDE_PATH})
list(APPEND FLTK_LDLIBS -lXfixes)
set(FLTK_XFIXES_FOUND TRUE)
else()
set(FLTK_XFIXES_FOUND FALSE)
endif(OPTION_USE_XFIXES)
#######################################################################
if(X11_Xcursor_FOUND)
option(OPTION_USE_XCURSOR "use lib Xcursor" ON)
endif(X11_Xcursor_FOUND)
if(OPTION_USE_XCURSOR)
set(HAVE_XCURSOR ${X11_Xcursor_FOUND})
include_directories(${X11_Xcursor_INCLUDE_PATH})
list(APPEND FLTK_LDLIBS -lXcursor)
set(FLTK_XCURSOR_FOUND TRUE)
else()
set(FLTK_XCURSOR_FOUND FALSE)
endif(OPTION_USE_XCURSOR)
#######################################################################
if(X11_Xft_FOUND)
option(OPTION_USE_XFT "use lib Xft" ON)
endif(X11_Xft_FOUND)
if(OPTION_USE_XFT)
set(USE_XFT X11_Xft_FOUND)
list(APPEND FLTK_LDLIBS -lXft)
set(FLTK_XFT_FOUND TRUE)
else()
set(FLTK_XFT_FOUND FALSE)
endif(OPTION_USE_XFT)
#######################################################################
if(X11_Xrender_FOUND)
option(OPTION_USE_XRENDER "use lib Xrender" ON)
endif(X11_Xrender_FOUND)
if(OPTION_USE_XRENDER)
set(HAVE_XRENDER ${X11_Xrender_FOUND})
if(HAVE_XRENDER)
include_directories(${X11_Xrender_INCLUDE_PATH})
list(APPEND FLTK_LDLIBS -lXrender)
set(FLTK_XRENDER_FOUND TRUE)
else(HAVE_XRENDER)
set(FLTK_XRENDER_FOUND FALSE)
endif(HAVE_XRENDER)
else(OPTION_USE_XRENDER)
set(FLTK_XRENDER_FOUND FALSE)
endif(OPTION_USE_XRENDER)
#######################################################################
if(X11_FOUND)
option(OPTION_USE_XDBE "use lib Xdbe" ON)
endif(X11_FOUND)
if(OPTION_USE_XDBE AND HAVE_XDBE_H)
set(HAVE_XDBE 1)
set(FLTK_XDBE_FOUND TRUE)
else()
set(FLTK_XDBE_FOUND FALSE)
endif(OPTION_USE_XDBE AND HAVE_XDBE_H)
#######################################################################
# prior to CMake 3.0 this feature was buggy
if(NOT CMAKE_VERSION VERSION_LESS 3.0.0)
option(CMAKE_SUPPRESS_REGENERATION
"suppress rules to re-run CMake on rebuild" OFF)
mark_as_advanced(CMAKE_SUPPRESS_REGENERATION)
endif(NOT CMAKE_VERSION VERSION_LESS 3.0.0)