diff options
| -rw-r--r-- | README.CMake.txt | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/README.CMake.txt b/README.CMake.txt index bb4bd0a48..ca09e924d 100644 --- a/README.CMake.txt +++ b/README.CMake.txt @@ -454,7 +454,7 @@ Here is a basic CMakeLists.txt file using FLTK. ------ -cmake_minimum_required(VERSION 2.6.3) +cmake_minimum_required(VERSION 3.2.3) project(hello) @@ -471,10 +471,14 @@ set(FLTK_DIR /path/to/fltk) find_package(FLTK REQUIRED NO_MODULE) -include_directories(${FLTK_INCLUDE_DIRS}) +if (APPLE) + add_executable(hello MACOSX_BUNDLE hello.cxx) + target_link_libraries(hello "-framework cocoa") +else () + add_executable(hello WIN32 hello.cxx) +endif (APPLE) -add_executable(hello WIN32 hello.cxx) -# target_include_directories(hello PUBLIC ${FLTK_INCLUDE_DIRS}) +target_include_directories(hello PUBLIC ${FLTK_INCLUDE_DIRS}) target_link_libraries(hello fltk) @@ -487,16 +491,15 @@ means that it is an error if it's not found. NO_MODULE tells it to search only for the FLTKConfig file, not using the FindFLTK.cmake supplied with CMake, which doesn't work with this version of FLTK. +The add_executable() command takes one form for the macOS platform +and another for other platforms (Yes, WIN32 can be used also for the X11 platform). + Once the package is found the CMake variable FLTK_INCLUDE_DIRS is defined which can be used to add the FLTK include directories to the definitions -used to compile your program. In older CMake versions you may need to use -`include_directories()` as shown above. In more recent CMake versions you -can use the (commented) `target_include_directories()` command. The latter -should be preferred (YMMV, see the CMake docs). - -The WIN32 in the add_executable tells your Windows compiler that this is -a Windows GUI app. It is ignored on other platforms and should always be -present with FLTK GUI programs for better portability. +used to compile your program using the `target_include_directories()` command. + +The target_link_libraries() command is used to specify all necessary FLTK +libraries. Thus, you may have to add fltk_images, fltk_gl, etc… Note: the variable FLTK_USE_FILE used to include another file in previous FLTK versions was deprecated since FLTK 1.3.4 and will be |