Split CMake files for better maintenance, as discussed in fltk.general.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@10098 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 371 insertions, 0 deletions

diff --git a/CMake/options.cmake b/CMake/options.cmake
new file mode 100644
index 000000000..784fc604b
--- /dev/null
+++ b/CMake/options.cmake
@@ -0,0 +1,371 @@
+#
+# "$Id: CMakeLists.txt 10092 2014-02-02 00:49:50Z AlbrechtS $"
+#
+# Main CMakeLists.txt to build the FLTK project using CMake (www.cmake.org)
+# Written by Michael Surette
+#
+# Copyright 1998-2010 by Bill Spitzak and others.
+#
+# This library is free software. Distribution and use rights are outlined in
+# the file "COPYING" which should have been included with this file.  If this
+# file is missing or damaged, see the license at:
+#
+#     http://www.fltk.org/COPYING.php
+#
+# Please report all bugs and problems on the following page:
+#
+#     http://www.fltk.org/str.php
+#
+
+#######################################################################
+# options
+#######################################################################
+set(OPTION_OPTIM ""
+   CACHE STRING
+   "custom optimization flags"
+   )
+add_definitions(${OPTION_OPTIM})
+
+#######################################################################
+set(OPTION_ARCHFLAGS ""
+   CACHE STRING
+   "custom architecture flags"
+   )
+add_definitions(${OPTION_ARCHFLAGS})
+
+#######################################################################
+set(OPTION_PREFIX_BIN ""
+   CACHE STRING
+   "where to install executables - leave empty to use {CMAKE_INSTALL_PREFIX}/bin"
+   )
+
+if(OPTION_PREFIX_BIN)
+   set(PREFIX_BIN ${OPTION_PREFIX_BIN} CACHE INTERNAL "" FORCE)
+else()
+   set(PREFIX_BIN ${CMAKE_INSTALL_PREFIX}/bin CACHE INTERNAL "" FORCE)
+endif(OPTION_PREFIX_BIN)
+
+#######################################################################
+set(OPTION_PREFIX_LIB ""
+   CACHE STRING
+   "where to install libraries - leave empty to use {CMAKE_INSTALL_PREFIX}/lib"
+   )
+
+if(OPTION_PREFIX_LIB)
+   set(PREFIX_LIB ${OPTION_PREFIX_LIB} CACHE INTERNAL "" FORCE)
+else()
+   set(PREFIX_LIB ${CMAKE_INSTALL_PREFIX}/lib CACHE INTERNAL "" FORCE)
+endif(OPTION_PREFIX_LIB)
+
+#######################################################################
+set(OPTION_PREFIX_INCLUDE ""
+   CACHE STRING
+   "where to install include files - leave empty to use {CMAKE_INSTALL_PREFIX}/include"
+   )
+
+if(OPTION_PREFIX_INCLUDE)
+   set(PREFIX_INCLUDE ${OPTION_PREFIX_INCLUDE} CACHE INTERNAL "" FORCE)
+else()
+   set(PREFIX_INCLUDE ${CMAKE_INSTALL_PREFIX}/include CACHE INTERNAL "" FORCE)
+endif(OPTION_PREFIX_INCLUDE)
+
+#######################################################################
+set(OPTION_PREFIX_DATA ""
+   CACHE STRING
+   "where to install data files - leave empty to use {CMAKE_INSTALL_PREFIX}/share/FLTK"
+   )
+
+if(OPTION_PREFIX_DATA)
+   set(PREFIX_DATA ${OPTION_PREFIX_DATA} CACHE INTERNAL "" FORCE)
+else()
+   set(PREFIX_DATA ${CMAKE_INSTALL_PREFIX}/share/FLTK CACHE INTERNAL "" FORCE)
+endif(OPTION_PREFIX_DATA)
+
+#######################################################################
+set(OPTION_PREFIX_DOC ""
+   CACHE STRING
+   "where to install doc files - leave empty to use {CMAKE_INSTALL_PREFIX}/share/doc/FLTK"
+   )
+
+if(OPTION_PREFIX_DOC)
+   set(PREFIX_DOC ${OPTION_PREFIX_DOC} CACHE INTERNAL "" FORCE)
+else()
+   set(PREFIX_DOC ${CMAKE_INSTALL_PREFIX}/share/doc/FLTK CACHE INTERNAL "" FORCE)
+endif(OPTION_PREFIX_DOC)
+
+#######################################################################
+if(WIN32)
+   set(DEFAULT_CONFIG "${CMAKE_INSTALL_PREFIX}/CMake")
+elseif(APPLE)
+   set(DEFAULT_CONFIG "${CMAKE_INSTALL_PREFIX}/FLTK/.framework/Resources/CMake")
+else()
+   set(DEFAULT_CONFIG "${CMAKE_INSTALL_PREFIX}/lib/FLTK-${FLTK_VERSION}")
+endif(WIN32)
+
+set(OPTION_PREFIX_CONFIG ""
+   CACHE STRING
+   "where to install CMake config files - leave empty to use ${DEFAULT_CONFIG}"
+   )
+
+if(OPTION_PREFIX_CONFIG)
+   set(PREFIX_CONFIG "${OPTION_PREFIX_CONFIG}" CACHE INTERNAL "" FORCE)
+else()
+   set(PREFIX_CONFIG "${DEFAULT_CONFIG}" CACHE INTERNAL "" FORCE)
+endif(OPTION_PREFIX_CONFIG)
+
+#######################################################################
+if(CMAKE_HOST_UNIX)
+   set(OPTION_PREFIX_MAN ""
+      CACHE STRING
+      "where to install man files - leave empty to use {CMAKE_INSTALL_PREFIX}/man"
+      )
+
+   if(OPTION_PREFIX_MAN)
+      set(PREFIX_MAN ${OPTION_PREFIX_MAN} CACHE INTERNAL "" FORCE)
+   else()
+      set(PREFIX_MAN ${CMAKE_INSTALL_PREFIX}/man CACHE INTERNAL "" FORCE)
+   endif(OPTION_PREFIX_MAN)
+
+   option(OPTION_CREATE_LINKS "create backwards compatibility links" OFF)
+endif(CMAKE_HOST_UNIX)
+
+#######################################################################
+if(APPLE)
+   option(OPTION_APPLE_X11 "use X11" OFF)
+endif(APPLE)
+
+if(NOT APPLE OR OPTION_APPLE_X11)
+   include(FindX11)
+   if(X11_FOUND)
+      set(USE_X11 1)
+      list(APPEND FLTK_CFLAGS -DUSE_X11)
+      list(APPEND FLTK_LDLIBS -lX11)
+   endif(X11_FOUND)
+endif(NOT APPLE OR OPTION_APPLE_X11)
+
+#######################################################################
+option(OPTION_USE_POLL "use poll if available" OFF)
+
+if(OPTION_USE_POLL)
+   CHECK_FUNCTION_EXISTS(poll USE_POLL)
+endif(OPTION_USE_POLL)
+
+#######################################################################
+option(OPTION_BUILD_SHARED_LIBS "Build shared libraries" OFF)
+
+#######################################################################
+option(OPTION_BUILD_EXAMPLES "build example programs" ON)
+
+#######################################################################
+include(FindPkgConfig)
+
+option(OPTION_CAIRO "use lib Cairo" OFF)
+option(OPTION_CAIROEXT
+   "use fltk code instrumentation for cairo extended use" OFF
+   )
+
+if(OPTION_CAIRO OR OPTION_CAIROEXT AND LIB_CAIRO)
+   pkg_search_module(PKG_CAIRO cairo)
+endif(OPTION_CAIRO OR OPTION_CAIROEXT AND LIB_CAIRO)
+
+if(PKG_CAIRO_FOUND)
+   set(FLTK_HAVE_CAIRO 1)
+   add_subdirectory(cairo)
+   list(APPEND FLTK_LDLIBS -lcairo -lpixman-1)
+   include_directories(${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)
+
+#######################################################################
+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)
+   include(FindOpenGL)
+endif(OPTION_USE_GL)
+
+if(OPENGL_FOUND)
+   set(CMAKE_REQUIRED_INCLUDES ${OPENGL_INCLUDE_DIR}/GL)
+   set(CMAKE_REQUIRED_LIBRARIES -lGLU -lGL)
+   CHECK_FUNCTION_EXISTS(glXGetProcAddressARB HAVE_GLXGETPROCADDRESSARB)
+   set(FLTK_GL_FOUND TRUE)
+else()
+   set(FLTK_GL_FOUND FALSE)
+endif(OPENGL_FOUND)
+
+#######################################################################
+option(OPTION_USE_THREADS "use multi-threading" ON)
+
+if(OPTION_USE_THREADS)
+   include(FindThreads)
+endif(OPTION_USE_THREADS)
+
+if(OPTION_USE_THREADS AND CMAKE_HAVE_THREADS_LIBRARY)
+   add_definitions("-D_THREAD_SAFE -D_REENTRANT")
+   set(USE_THREADS 1)
+   set(FLTK_THREADS_FOUND TRUE)
+else()
+   set(FLTK_THREADS_FOUND FALSE)
+endif(OPTION_USE_THREADS AND CMAKE_HAVE_THREADS_LIBRARY)
+
+if(OPTION_USE_THREADS AND CMAKE_USE_PTHREADS_INIT)
+   set(HAVE_PTHREAD 1)
+   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -pthread")
+   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_LIBJPEG "Use's 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_ZLIB "Use's 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_LIBPNG "Use's 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_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_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)