Add GNUInstallDirs and USE_AUDIO/USE_WAYLAND options to CMake (#518)

src/CMakeLists.txt

@@ -1,6 +1,7 @@
 # Setup the project and settings
 project(raylib)
 include("../utils.cmake")
+include(GNUInstallDirs)
 
 set(PROJECT_VERSION 1.9.4)
 set(API_VERSION 1)
@@ -12,6 +13,7 @@ option(WITH_PIC "Compile static library as position-independent code" OFF)
 # Build a static and/or shared raylib?
 option(SHARED "Build raylib as a dynamic library" OFF)
 option(STATIC "Build raylib as a static library" ON)
+option(USE_AUDIO "Build raylib with audio module" ON)
 option(MACOS_FATLIB  "Build fat library for both i386 and x86_64 on macOS" ON)
 
 if(NOT (STATIC OR SHARED))
@@ -43,9 +45,15 @@ else()
   include_directories(external/glfw/include)
 endif()
 
+if(USE_AUDIO)
   file(GLOB stb_vorbis external/stb_vorbis.c)
   file(GLOB mini_al external/mini_al.c ${stb_vorbis})
   set(sources ${raylib_sources} ${mini_al})
+else()
+  set(INCLUDE_AUDIO_MODULE 0) 
+  list(REMOVE_ITEM raylib_sources ${CMAKE_CURRENT_SOURCE_DIR}/audio.c)
+  set(sources ${raylib_sources})
+endif()
 
 ### Config options ###
 # Translate the config options to what raylib wants
@@ -112,7 +120,7 @@ if(${PLATFORM} MATCHES "PLATFORM_DESKTOP")
     )
 
     set_property(TARGET ${RAYLIB}_shared PROPERTY POSITION_INDEPENDENT_CODE ON)
-    set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
+    set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_LIBDIR}")
     set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)
     set(CMAKE_MACOSX_RPATH ON)
 
@@ -132,8 +140,8 @@ if(${PLATFORM} MATCHES "PLATFORM_DESKTOP")
       set_target_properties(${RAYLIB}_shared PROPERTIES OUTPUT_NAME ${RAYLIB})
       install(
         TARGETS ${RAYLIB}_shared
-        LIBRARY DESTINATION lib
+        LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
-        PUBLIC_HEADER DESTINATION include
+        PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
       )
     endif()
   endif(${SHARED})
@@ -153,13 +161,13 @@ if(${PLATFORM} MATCHES "PLATFORM_DESKTOP")
     endif()
     set_target_properties(${RAYLIB} PROPERTIES PUBLIC_HEADER "raylib.h")
     install(TARGETS ${RAYLIB}
-      ARCHIVE DESTINATION lib
+      ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
-      PUBLIC_HEADER DESTINATION include
+      PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
     )
   endif(${STATIC})
 
   configure_file(../raylib.pc.in raylib.pc @ONLY)
-  install(FILES ${CMAKE_BINARY_DIR}/release/raylib.pc DESTINATION lib/pkgconfig)
+  install(FILES ${CMAKE_BINARY_DIR}/release/raylib.pc DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 
   # Copy the header files to the build directory
   file(COPY "raylib.h" DESTINATION ".")

utils.cmake

@@ -4,6 +4,10 @@ cmake_minimum_required(VERSION 2.8.0)
 set(USE_EXTERNAL_GLFW  OFF  CACHE STRING "Link raylib against system GLFW instead of embedded one")
 set_property(CACHE USE_EXTERNAL_GLFW PROPERTY STRINGS ON OFF IF_POSSIBLE)
 
+if(UNIX AND NOT APPLE)
+    option(USE_WAYLAND "Use Wayland for window creation" OFF)
+endif()
+
 # Linking for OS X -framework options
 # Will do nothing on other OSes
 if(APPLE)
@@ -18,25 +22,47 @@ if(APPLE)
 elseif(WIN32)
   # no pkg-config --static on Windows yet...
 else()
+  if(USE_WAYLAND)
+    set(_GLFW_WAYLAND 1)
+  else()
+    set(_GLFW_X11 1)
+  endif()
+
   find_library(pthread NAMES pthread)
   find_package(OpenGL)
   if ("${OPENGL_LIBRARIES}" STREQUAL "")
+    if(NOT USE_WAYLAND)
       # CFLAGS=-m32 cmake on Linux fails for some reason, so fallback to hardcoding
       set(LIBS_PRIVATE m pthread GL X11 Xrandr Xinerama Xi Xxf86vm Xcursor)
     else()
+      # CFLAGS=-m32 cmake on Linux fails for some reason, so fallback to hardcoding
+      set(LIBS_PRIVATE m pthread GL wayland-client wayland-cursor wayland-egl)
+    endif()
+  else()
+    if(NOT USE_WAYLAND)
       find_package(X11 REQUIRED X11)
       find_library(XRANDR_LIBRARY Xrandr)
       find_library(XI_LIBRARY Xi)
       find_library(XINERAMA_LIBRARY Xinerama)
       find_library(XXF86VM_LIBRARY Xxf86vm)
       find_library(XCURSOR_LIBRARY Xcursor)
+    else()
+      find_library(WAYLAND_CLIENT_LIBRARY wayland-client)
+      find_library(WAYLAND_CURSOR_LIBRARY wayland-cursor)
+      find_library(WAYLAND_EGL_LIBRARY wayland-egl)
+    endif()
+
     include_directories(${OPENGL_INCLUDE_DIR})
 
     if ("${CMAKE_SYSTEM_NAME}" MATCHES "(Net|Open)BSD")
       find_library(OSS_LIBRARY ossaudio)
     endif()
 
+    if(NOT USE_WAYLAND)
       set(LIBS_PRIVATE m ${pthread} ${OPENGL_LIBRARIES} ${X11_LIBRARIES} ${XRANDR_LIBRARY} ${XINERAMA_LIBRARY} ${XI_LIBRARY} ${XXF86VM_LIBRARY} ${XCURSOR_LIBRARY} ${OSS_LIBRARY})
+    else()
+      set(LIBS_PRIVATE m ${pthread} ${OPENGL_LIBRARIES} ${WAYLAND_CLIENT_LIBRARY} ${WAYLAND_CURSOR_LIBRARY} ${WAYLAND_EGL_LIBRARY} ${OSS_LIBRARY})
+    endif()
   endif()
 endif()
 
@@ -49,7 +75,6 @@ if (glfw3_FOUND)
   set(LIBS_PRIVATE ${LIBS_PRIVATE} glfw)
 endif()
 
-
 if(CMAKE_SYSTEM_NAME STREQUAL Linux)
   set(LINUX TRUE)
   set(LIBS_PRIVATE dl ${LIBS_PRIVATE})