Add experimental conan support

Try to use conan package manager to handle build dependencies.

Author: winterheart

CMakeLists.txt

@@ -7,6 +7,9 @@ include(FeatureSummary)
 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS OFF)
 set_property(GLOBAL PROPERTY FIND_LIBRARY_USE_LIB32_PATHS ON)
 
+# Added for conan generator
+set(CMAKE_MODULE_PATH ${CMAKE_BINARY_DIR} ${CMAKE_MODULE_PATH})
+
 # Required for stdbool.h
 set(CMAKE_C_STANDARD 99)
 # For nullptr in C++
@@ -49,8 +52,9 @@ if(ENABLE_OPENGL)
 	find_package(OpenGL REQUIRED)
 	add_definitions(-DUSE_OPENGL)
 	if(WIN32)
-		list(APPEND OPENGL_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/build_ext/built_glew/include)
-		list(APPEND OPENGL_LIBRARIES ${CMAKE_SOURCE_DIR}/build_ext/built_glew/lib/libglew32.dll.a winmm)
+		find_package(glew REQUIRED)
+		list(APPEND OPENGL_INCLUDE_DIRS ${glew_INCLUDE_DIRS})
+		list(APPEND OPENGL_LIBRARIES glew:glew winmm)
 	endif(WIN32)
 endif(ENABLE_OPENGL)
 
@@ -61,11 +65,9 @@ if(ENABLE_SDL2 MATCHES "ON")
 	endif(SDL2_FOUND)
 endif(ENABLE_SDL2 MATCHES "ON")
 if(ENABLE_SDL2 MATCHES "BUNDLED")
-	set(SDL2_DIR ${CMAKE_SOURCE_DIR}/build_ext/built_sdl)
-	find_library(SDL2_LIBRARY SDL2 PATHS ${SDL2_DIR}/lib NO_DEFAULT_PATH)
-	find_library(SDL2MAIN_LIBRARY SDL2main PATHS ${SDL2_DIR}/lib NO_DEFAULT_PATH)
-	set(SDL2_INCLUDE_DIRS ${SDL2_DIR}/include/SDL2)
-	set(SDL2_LIBRARIES "${SDL2MAIN_LIBRARY};${SDL2_LIBRARY}")
+	find_package(sdl2 REQUIRED)
+	set(SDL2_INCLUDE_DIRS ${sdl2_INCLUDE_DIRS})
+	set(SDL2_LIBRARIES sdl2::sdl2)
 endif(ENABLE_SDL2 MATCHES "BUNDLED")
 
 if(ENABLE_SOUND MATCHES "ON")
@@ -75,10 +77,10 @@ if(ENABLE_SOUND MATCHES "ON")
 	add_definitions(-DUSE_SDL_MIXER=1)
 endif(ENABLE_SOUND MATCHES "ON")
 if(ENABLE_SOUND MATCHES "BUNDLED")
-	set(SDL2_MIXER_DIR ${CMAKE_SOURCE_DIR}/build_ext/built_sdl_mixer)
-	set(SDL2_MIXER_INCLUDE_DIRS ${SDL2_MIXER_DIR}/include/SDL2)
-	find_library(SDL2_MIXER_LIBRARY SDL2_mixer PATHS ${SDL2_MIXER_DIR}/lib)
-	set(SDL2_MIXER_LIBRARIES ${SDL2_MIXER_LIBRARY})
+	find_package(sdl2_mixer REQUIRED)
+	set(SDL2_MIXER_INCLUDE_DIRS ${sdl2_mixer_INCLUDE_DIRS})
+	# FIXME additional dependencies ogg and opus
+	set(SDL2_MIXER_LIBRARIES sdl2_mixer::sdl2_mixer ogg::ogg opus::opus)
 	add_definitions(-DUSE_SDL_MIXER=1)
 endif(ENABLE_SOUND MATCHES "BUNDLED")
 
@@ -88,9 +90,9 @@ if(ENABLE_FLUIDSYNTH MATCHES "ON")
 	add_definitions("-DUSE_FLUIDSYNTH=1")
 endif(ENABLE_FLUIDSYNTH MATCHES "ON")
 if(ENABLE_FLUIDSYNTH MATCHES "BUNDLED")
-        find_library(FLUIDSYNTH_LIBRARY fluidsynth PATHS ${CMAKE_SOURCE_DIR}/build_ext/fluidsynth-lite/src)
-	set(FLUIDSYNTH_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/build_ext/fluidsynth-lite/include)
-	set(FLUIDSYNTH_LIBRARIES ${FLUIDSYNTH_LIBRARY})
+	find_package(fluidsynth REQUIRED)
+	set(FLUIDSYNTH_INCLUDE_DIRS ${fluidsynth_INCLUDE_DIRS})
+	set(FLUIDSYNTH_LIBRARIES fluidsynth::fluidsynth)
 	add_definitions("-DUSE_FLUIDSYNTH=1")
 endif(ENABLE_FLUIDSYNTH MATCHES "BUNDLED")
 

conanfile.txt

@@ -0,0 +1,9 @@
+[build_requires]
+fluidsynth/2.0.5@bincrafters/stable
+glew/2.1.0@bincrafters/stable
+sdl2/2.0.9@bincrafters/stable
+sdl2_mixer/2.0.4@bincrafters/stable
+
+[generators]
+cmake_find_package
+