CMake and CPack integration (removing Python dependency in the process)

.gitignore

@@ -9,3 +9,5 @@ docs/src
 *.swo
 *.swp
 /private/
+*build*
+.idea

CMakeLists.txt

@@ -0,0 +1,105 @@
+cmake_minimum_required(VERSION 3.15)
+
+project(Nuklear VERSION 0.0.1 LANGUAGES C)
+
+#===============#
+# Compiler args #
+#===============#
+
+set(CMAKE_C_VISIBILITY_PRESET hidden)
+set(CMAKE_VISIBILITY_INLINES_HIDDEN YES)
+set(CMAKE_C_STANDARD 90)
+
+add_library("${PROJECT_NAME}_compiler_flags" INTERFACE)
+target_compile_features("${PROJECT_NAME}_compiler_flags" INTERFACE "c_std_${CMAKE_C_STANDARD}")
+
+# add compiler warning flags just when building this project via
+# the BUILD_INTERFACE genex
+set(gcc_like "$<COMPILE_LANG_AND_ID:C,CXX,ARMClang,AppleClang,Clang,GNU,LCC>")
+set(msvc "$<COMPILE_LANG_AND_ID:C,CXX,MSVC>")
+target_compile_options(
+        "${PROJECT_NAME}_compiler_flags"
+        INTERFACE
+        "$<${gcc_like}:$<BUILD_INTERFACE:-Wall;-Wextra;-pedantic;-Wno-misleading-indentation;-Wno-shift-negative-value;-O2>>"
+        "$<${msvc}:$<BUILD_INTERFACE:-W3;-WX;-Zi;-permissive->>"
+)
+
+# Set the build directories
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
+
+#===========#
+# Configure #
+#===========#
+
+# configure a header file to pass the version number only
+configure_file(
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/config.h.in"
+        "${PROJECT_NAME}Config.h"
+)
+
+#=============#
+# Sub-targets #
+#=============#
+
+option(BUILD_HEADER_ONLY "Header only variant" "ON")
+option(BUILD_DEMOS "Build demos" "ON")
+option(BUILD_EXAMPLES "Build examples" "ON")
+
+add_subdirectory("src")
+if (BUILD_DEMOS)
+    add_subdirectory("demo")
+endif (BUILD_DEMOS)
+if (BUILD_EXAMPLES)
+    add_subdirectory("example")
+endif (BUILD_EXAMPLES)
+
+include(CTest)
+if (BUILD_TESTING)
+    #add_subdirectory("tests")
+endif (BUILD_TESTING)
+
+#=========#
+# Install #
+#=========#
+
+include(GNUInstallDirs)
+install(FILES "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.h"
+        DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/nuklear")
+include(InstallRequiredSystemLibraries)
+set(CPACK_BUNDLE_NAME "${PROJECT_NAME}")
+set(CPACK_PACKAGE_VENDOR "Micha Mettke")
+set(CPACK_PACKAGE_DESCRIPTION "A single-header ANSI C immediate mode cross-platform GUI library")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${CPACK_PACKAGE_DESCRIPTION_SUMMARY}")
+if (APPLE)
+    set(CPACK_BUNDLE_PLIST "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Info.plist")
+    set(CPACK_BUNDLE_ICON "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Info.plist")
+    set(CPACK_PACKAGE_ICON "${CMAKE_CURRENT_SOURCE_DIR}/cmake/CustomVolumeIcon.icns")
+endif (APPLE)
+set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/src/LICENSE")
+set(CPACK_PACKAGE_VERSION_MAJOR "${${PROJECT_NAME}_VERSION_MAJOR}")
+set(CPACK_PACKAGE_VERSION_MINOR "${${PROJECT_NAME}_VERSION_MINOR}")
+set(CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/cmake/README.txt")
+set(CPACK_RESOURCE_FILE_WELCOME "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Welcome.txt")
+set(CPACK_PACKAGE_CONTACT "https://github.com/Immediate-Mode-UI/Nuklear")
+
+include(CPack)
+include(CMakePackageConfigHelpers)
+
+# generate the config file that is includes the exports
+configure_package_config_file(
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Config.cmake.in"
+        "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+        INSTALL_DESTINATION "${CMAKE_INSTALL_DATADIR}/nuklear"
+        NO_SET_AND_CHECK_MACRO
+        NO_CHECK_REQUIRED_COMPONENTS_MACRO
+)
+
+# generate the version file for the config file
+write_basic_package_version_file(
+        "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
+        VERSION "${${PROJECT_NAME}_VERSION_MAJOR}.${${PROJECT_NAME}_VERSION_MINOR}"
+        COMPATIBILITY AnyNewerVersion
+)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+        DESTINATION "${CMAKE_INSTALL_DATADIR}/nuklear")

cmake/CTestConfig.cmake

@@ -0,0 +1,7 @@
+set(CTEST_PROJECT_NAME "nuklear")
+set(CTEST_NIGHTLY_START_TIME "00:00:00 EST")
+
+set(CTEST_DROP_METHOD "http")
+set(CTEST_DROP_SITE "my.cdash.org")
+set(CTEST_DROP_LOCATION "/submit.php?project=nuklear")
+set(CTEST_DROP_SITE_CDASH TRUE)

cmake/Config.cmake.in

@@ -0,0 +1,4 @@
+
+@PACKAGE_INIT@
+
+include ( "${CMAKE_CURRENT_LIST_DIR}/nuklearTargets.cmake" )

cmake/Info.plist

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+	<dict>
+		<key>CFBundleExecutable</key>
+		<string>BundleGeneratorTest</string>
+		<key>CFBundleIconFile</key>
+		<string>BundleGeneratorTest.icns</string>
+		<key>CFBundleInfoDictionaryVersion</key>
+		<string>6.0</string>
+		<key>CFBundlePackageType</key>
+		<string>APPL</string>
+	</dict>
+</plist>

cmake/MultiCPackConfig.cmake

@@ -0,0 +1,6 @@
+include("release/CPackConfig.cmake")
+
+set(CPACK_INSTALL_CMAKE_PROJECTS
+        "debug;nuklear;ALL;/"
+        "release;nuklear;ALL;/"
+)

cmake/README.txt

@@ -0,0 +1,7 @@
+nuklear
+
+Minimal state immediate mode graphical user interface toolkit written in ANSI C and licensed under public domain.
+
+------------------------------------------------------------------------
+
+Licensed under (Unlicense OR MIT)

cmake/Welcome.txt

@@ -0,0 +1 @@
+This installs nuklear.

cmake/config.h.in

@@ -0,0 +1,9 @@
+#ifndef NUKLEAR_CONFIG_H
+#define NUKLEAR_CONFIG_H
+
+#define NUKLEAR_VERSION_MAJOR @Nuklear_VERSION_MAJOR@
+#define NUKLEAR_VERSION_MINOR @Nuklear_VERSION_MINOR@
+#define NUKLEAR_VERSION_PATCH @Nuklear_VERSION_PATCH@
+#define NUKLEAR_VERSION       "@Nuklear_VERSION@"
+
+#endif /* !NUKLEAR_CONFIG_H */

cmake/modules/CMakeFindM.cmake

@@ -0,0 +1,53 @@
+#
+# - Find math
+# Find the native M includes and library
+#
+#  M_INCLUDE_DIRS - where to find math.h, etc.
+#  M_LIBRARIES    - List of libraries when using math.
+#  M_FOUND        - True if math found.
+
+
+IF (M_INCLUDE_DIRS)
+  # Already in cache, be silent
+  SET(M_FIND_QUIETLY TRUE)
+ENDIF (M_INCLUDE_DIRS)
+
+#
+# On OS X, make sure we do *NOT* find math.h in the Kernel framework,
+# as that will convince CMake to cause the build to look there for
+# headers.
+#
+# For some unknown reason, on Yosemite, math.h is included in the Kernel
+# framework.  That framework exists to supply headers for building
+# *kernel* modules; it includes versions of C headers that are similar
+# to the standard userland headers, but not similar enough to be usable
+# when building userland code.
+#
+# Unless told not to look first in the framework paths, CMake will, on
+# Yosemite, or when using the Yosemite SDK, find math.h in the Kernel
+# framework, and add the header directory for the Kernel framework to
+# the list of places to look for headers, causing it to pick up other
+# headers from there as well.  This causes the build to fail.
+#
+SET(SAVED_CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK})
+SET(CMAKE_FIND_FRAMEWORK LAST)
+FIND_PATH(M_INCLUDE_DIR math.h)
+SET(CMAKE_FIND_FRAMEWORK ${SAVED_CMAKE_FIND_FRAMEWORK})
+
+SET(M_NAMES m)
+FIND_LIBRARY(M_LIBRARY NAMES ${M_NAMES} )
+
+# handle the QUIETLY and REQUIRED arguments and set M_FOUND to TRUE if 
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(M DEFAULT_MSG M_LIBRARY M_INCLUDE_DIR)
+
+IF(M_FOUND)
+  SET( M_LIBRARIES ${M_LIBRARY} )
+  SET( M_INCLUDE_DIRS ${M_INCLUDE_DIR} )
+ELSE(M_FOUND)
+  SET( M_LIBRARIES )
+  SET( M_INCLUDE_DIRS )
+ENDIF(M_FOUND)
+
+MARK_AS_ADVANCED( M_LIBRARIES M_INCLUDE_DIRS )

demo/CMakeLists.txt

@@ -0,0 +1,29 @@
+set(demos
+        "allegro5"
+#        "common"
+#        "d3d11"
+#        "d3d12"
+#        "d3d9"
+#        "gdi"
+#        "gdip"
+#        "glfw_opengl2"
+#        "glfw_opengl3"
+#        "glfw_opengl4"
+#        "sdl2surface_rawfb"
+#        "sdl_opengl2"
+#        "sdl_opengl3"
+#        "sdl_opengles2"
+#        "sdl_renderer"
+#        "sfml_opengl2"
+#        "sfml_opengl3"
+#        "wayland_rawfb"
+#        "x11"
+#        "x11_opengl2"
+#        "x11_opengl3"
+#        "x11_rawfb"
+#        "x11_xft"
+        )
+
+foreach (demo ${demos})
+    add_subdirectory("${demo}")
+endforeach (demo ${demos})

demo/allegro5/CMakeLists.txt

@@ -0,0 +1,66 @@
+###################
+# KeyboardHandler #
+###################
+#get_filename_component(LIBRARY_NAME "${CMAKE_CURRENT_SOURCE_DIR}" NAME)
+#set(LIBRARY_NAME "${PROJECT_NAME}_demo_${LIBRARY_NAME}")
+#
+#set(Header_Files "KeyboardHandleriOS.h")
+#source_group("Header Files" FILES "${Header_Files}")
+#
+#set(Source_Files "KeyboardHandleriOS.m")
+#source_group("Source Files" FILES "${Source_Files}")
+#
+#add_library("${LIBRARY_NAME}" "${Header_Files}" "${Source_Files}")
+#include(GNUInstallDirs)
+#target_include_directories(
+#        "${LIBRARY_NAME}"
+#        PUBLIC
+#        "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
+#        "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+#)
+#
+#target_link_libraries(
+#        "${LIBRARY_NAME}"
+#        PRIVATE
+#        "${PROJECT_NAME}_compiler_flags"
+#)
+#
+#set_target_properties("${LIBRARY_NAME}" PROPERTIES LINKER_LANGUAGE C)
+
+#################
+# allegro5 demo #
+#################
+
+get_filename_component(EXEC_NAME "${CMAKE_CURRENT_SOURCE_DIR}" NAME)
+set(EXEC_NAME "${PROJECT_NAME}_demo_${EXEC_NAME}")
+
+set(Header_Files "nuklear_allegro5.h")
+source_group("Header Files" FILES "${Header_Files}")
+
+set(Source_Files "main.c")
+source_group("Source Files" FILES "${Source_Files}")
+
+add_executable("${EXEC_NAME}" "${Header_Files}" "${Source_Files}")
+include(GNUInstallDirs)
+target_include_directories(
+        "${EXEC_NAME}"
+        PUBLIC
+        "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>"
+        "$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
+)
+
+target_link_libraries(
+        "${EXEC_NAME}"
+        PRIVATE
+        "${PROJECT_NAME}_compiler_flags"
+)
+
+find_package(unofficial-allegro5 CONFIG REQUIRED)
+target_link_libraries(
+        "${EXEC_NAME}"
+        PRIVATE
+        "unofficial-allegro5::allegro"
+        "unofficial-allegro5::allegro_ttf"
+        "unofficial-allegro5::allegro_font"
+        "unofficial-allegro5::allegro_main"
+)

example/CMakeLists.txt

@@ -0,0 +1,30 @@
+set(_libs "file_browser" "extended" "canvas" "skinning")
+
+find_package(glfw3 CONFIG REQUIRED)
+find_package(GLEW REQUIRED)
+
+include(FindOpenGL)
+find_package(OpenGL REQUIRED)
+
+include("${CMAKE_SOURCE_DIR}/cmake/modules/CMakeFindM.cmake")
+
+set(deps "glfw" "GLEW::GLEW" "OpenGL::GL" "${M_LIBRARIES}")
+if (APPLE)
+    #SET(GUI_TYPE MACOSX_BUNDLE)
+    #INCLUDE_DIRECTORIES ( /Developer/Headers/FlatCarbon )
+    find_library(COCOA_LIBRARY Cocoa)
+    find_library(COREVIDEO_LIBRARY CoreVideo)
+    find_library(IOKIT_LIBRARY IOKit)
+    mark_as_advanced(COCOA_LIBRARY COREVIDEO_LIBRARY IOKIT_LIBRARY)
+    list(APPEND deps "${COCOA_LIBRARY}" "${COREVIDEO_LIBRARY}" "${IOKIT_LIBRARY}")
+    # -L/usr/local/lib
+    # -I/usr/local/include
+endif (APPLE)
+
+foreach (_lib ${_libs})
+    set(src "${_lib}.c")
+    source_group("${_lib} Files" FILES "${src}")
+    add_executable("${_lib}" "${src}")
+    target_link_libraries("${_lib}" PRIVATE "${deps}")
+    target_include_directories("${_lib}" PRIVATE "${M_INCLUDE_DIRS}")
+endforeach (_lib ${_libs})