Added compile with cmake for FreeBSD

src/CMakeLists.txt

@@ -5,7 +5,6 @@ include("../utils.cmake")
 set(PROJECT_VERSION 1.9.1-dev)
 set(RAYLIB raylib)    # Name of the generated library
 
-
 ### Config options ###
 # Shared library is always PIC. Static library should be PIC too if linked into a shared library
 set(WITH_PIC      OFF CACHE BOOL "Compile static library as position-independent code" OFF)
@@ -18,7 +17,6 @@ if(NOT (STATIC_RAYLIB OR SHARED_RAYLIB))
   message(FATAL_ERROR "Nothing to do if both -DSHARED_RAYLIB=OFF and -DSTATIC_RAYLIB=OFF...")
 endif()
 
-
 # Platform
 set(PLATFORM "Desktop" CACHE STRING "Platform to build for.")
 set_property(CACHE PLATFORM PROPERTY STRINGS "Desktop" "Web" "Android" "Raspberry Pi")
@@ -28,8 +26,14 @@ set(OPENGL_VERSION "3.3" CACHE STRING "OpenGL Version to build raylib with")
 set_property(CACHE OPENGL_VERSION PROPERTY STRINGS "3.3" "2.1" "1.1" "ES 2.0")
 ### Config options ###
 
+if(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
+  find_package(OpenGL REQUIRED)
+  find_package(OpenAL REQUIRED)
+  include_directories(${OPENGL_INCLUDE_DIR} ${OPENAL_INCLUDE_DIR})
+endif()
+
 include_directories(external/glfw/include)
-include_directories(external/openal/include) # For use with AppVeyor on Windows
+include_directories(external/include) # For use with AppVeyor on Windows
 
 # Translate the config options to what raylib wants
 if(${PLATFORM} MATCHES "Desktop")
@@ -55,6 +59,7 @@ if(${PLATFORM} MATCHES "Desktop")
   elseif(WIN32)
     add_definitions(-D_CRT_SECURE_NO_WARNINGS)
   endif()
+
 elseif(${PLATFORM} MATCHES "Web")
   set(PLATFORM "PLATFORM_WEB")
   set(GRAPHICS "GRAPHICS_API_OPENGL_ES2")
@@ -94,14 +99,20 @@ if(${PLATFORM} MATCHES "PLATFORM_DESKTOP")
     foreach(L ${LIBS_PRIVATE})
       set(PKG_CONFIG_LIBS_PRIVATE "${PKG_CONFIG_LIBS_PRIVATE} -l${L}")
     endforeach(L)
+  endif()
 
-  elseif(APPLE)
+  if(APPLE)
     # TODO extract framework location and name from ${LIBS_PRIVATE}
     # and specify them as -F and -framework instead of hardcoding
     foreach(F OpenGL OpenAL Cocoa)
       set(PKG_CONFIG_LIBS_PRIVATE "${PKG_CONFIG_LIBS_PRIVATE} -framework ${F}")
     endforeach(F)
+  endif()
 
+  if(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
+    foreach(L OpenGL OpenAL)
+    	set(PKG_CONFIG_LIBS_PRIVATE "${PKG_CONFIG_LIBS_PRIVATE} -l${L}")
+    endforeach(L)
   endif()
 
   if(${SHARED_RAYLIB})

utils.cmake

@@ -1,9 +1,8 @@
 # All sorts of things that we need cross project
 cmake_minimum_required(VERSION 2.8.0)
 
-# Detect linux
-if(UNIX AND NOT APPLE)
-  set(LINUX TRUE)
+if(CMAKE_SYSTEM_NAME STREQUAL Linux)
+	set(LINUX TRUE)
 endif()
 
 # Linking for OS X -framework options
@@ -18,17 +17,36 @@ if(APPLE)
 
   set(LIBS_PRIVATE ${OPENGL_LIBRARY} ${OPENAL_LIBRARY} ${COCOA_LIBRARY}
                    ${IOKIT_LIBRARY} ${COREFOUNDATION_LIBRARY} ${COREVIDEO_LIBRARY})
-elseif(LINUX)
+endif()
+
+if(CMAKE_SYSTEM_NAME STREQUAL Linux)
   # Elsewhere (such as Linux), need `-lopenal -lGL`, etc...
   set(LIBS_PRIVATE
       m pthread dl
       openal
       GL
       X11 Xrandr Xinerama Xi Xxf86vm Xcursor)  # X11 stuff
-else()
-  # TODO Windows
 endif()
 
+if(CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
+   find_package(OpenGL REQUIRED)
+   find_package(OpenAL REQUIRED)
+   include_directories(${OPENGL_INCLUDE_DIR} ${OPENAL_INCLUDE_DIR})
+
+   find_package(X11 REQUIRED)
+   find_library(OpenAL REQUIRED)
+   find_library(pthread NAMES pthread)
+   find_library(Xrandr NAMES Xrandr)
+   find_library(Xi NAMES Xi)
+   find_library(Xinerama NAMES Xinerama)
+   find_library(Xxf86vm NAMES Xxf86vm)
+   find_library(Xcursor NAMES Xcursor)
+
+   set(LIBS_PRIVATE m ${pthread} ${OPENAL_LIBRARY} ${X11_LIBRARIES} ${Xrandr} ${Xinerama} ${Xi} ${Xxf86vm} ${Xcursor})
+endif()
+
+# TODO Support Windows
+
 # Do the linking for executables that are meant to link raylib
 function(link_libraries_to_executable executable)
   # And raylib