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Ensure CMake finds SDL 2.0

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CMake 2.8 doesn't search /usr/include/SDL2, which is the include directory
for SDL 2.x on Ubuntu Linux (and possibly others). This results in SDL 1.2
headers being found when WITH_SDL_DYNLOAD=OFF, and our shipped SDL 2.0
headers when WITH_SDL_DYNLOAD=ON. This patch ensures that in both
cases the correct SDL headers are used.

Reviewers: sergey, campbellbarton

Projects: #bf_blender

Differential Revision: https://developer.blender.org/D1112
This commit is contained in:
Sybren A. Stüvel 2015-02-16 08:22:26 +01:00
parent 58652301de
commit 9a10b208ba
2 changed files with 81 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
CMakeLists.txt
View File

@ -838,17 +838,21 @@ if(UNIX AND NOT APPLE)
if(WITH_SDL)
if(WITH_SDL_DYNLOAD)
set(SDLMAIN_LIBRARY)
set(SDL_INCLUDE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/extern/sdlew/include/SDL2")
set(SDL_LIBRARY)
set(SDL_LIBRARY_TEMP)
else()
find_package_wrapper(SDL)
find_package_wrapper(SDL2)
if(SDL2_FOUND)
# Use same names for both versions of SDL until we move to 2.x.
set(SDL_INCLUDE_DIR "${SDL2_INCLUDE_DIR}")
set(SDL_LIBRARY "${SDL2_LIBRARY}")
set(SDL_FOUND "${SDL2_FOUND}")
else()
find_package_wrapper(SDL)
endif()
mark_as_advanced(
SDLMAIN_LIBRARY
SDL_INCLUDE_DIR
SDL_LIBRARY
SDL_LIBRARY_TEMP
)
# unset(SDLMAIN_LIBRARY CACHE)
if(NOT SDL_FOUND)

72
build_files/cmake/Modules/FindSDL2.cmake Normal file
View File

@ -0,0 +1,72 @@
# - Find SDL library
# Find the native SDL includes and library
# This module defines
# SDL2_INCLUDE_DIRS, where to find SDL.h, Set when SDL2_INCLUDE_DIR is found.
# SDL2_LIBRARIES, libraries to link against to use SDL.
# SDL2_ROOT_DIR, The base directory to search for SDL.
# This can also be an environment variable.
# SDL2_FOUND, If false, do not try to use SDL.
#
# also defined, but not for general use are
# SDL2_LIBRARY, where to find the SDL library.
#=============================================================================
# Copyright 2015 Blender Foundation.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# If SDL2_ROOT_DIR was defined in the environment, use it.
IF(NOT SDL2_ROOT_DIR AND NOT $ENV{SDL2_ROOT_DIR} STREQUAL "")
SET(SDL2_ROOT_DIR $ENV{SDL2_ROOT_DIR})
ENDIF()
SET(_sdl2_SEARCH_DIRS
${SDL2_ROOT_DIR}
~/Library/Frameworks
/Library/Frameworks
/usr/local
/usr
/sw # Fink
/opt/local # DarwinPorts
/opt/csw # Blastwave
)
FIND_PATH(SDL2_INCLUDE_DIR
NAMES
SDL.h
HINTS
${_sdl2_SEARCH_DIRS}
PATH_SUFFIXES
include/SDL2 include
)
FIND_LIBRARY(SDL2_LIBRARY
NAMES
SDL2
HINTS
${_sdl2_SEARCH_DIRS}
PATH_SUFFIXES
lib64 lib
)
# handle the QUIETLY and REQUIRED arguments and set SDL2_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2 DEFAULT_MSG
SDL2_LIBRARY SDL2_INCLUDE_DIR)
IF(SDL2_FOUND)
SET(SDL2_LIBRARIES ${SDL2_LIBRARY})
SET(SDL2_INCLUDE_DIRS ${SDL2_INCLUDE_DIR})
ENDIF(SDL2_FOUND)
MARK_AS_ADVANCED(
SDL2_INCLUDE_DIR
SDL2_LIBRARY
)