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configuration updates for dlopen:

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- cmake, configure (CheckDLOPEN): --enable-sdl-dlopen is now history..
  detach the dl api discovery from SDL_LOADSO_DLOPEN functionality.
  define HAVE_DLOPEN. also define DYNAPI_NEEDS_DLOPEN (CheckDLOPEN is
  called only for relevant platforms.)
- update SDL_config.in and SDL_config.cmake accordingly.
- SDL_dynapi.h: set SDL_DYNAMIC_API to 0 if DYNAPI_NEEDS_DLOPEN is
  defined, but HAVE_DLOPEN is not.
- pthread/SDL_systhread.c: conditionalize dl api use to HAVE_DLOPEN
- SDL_x11opengl.c, SDL_DirectFB_opengl.c, SDL_naclopengles.c: rely
  on HAVE_DLOPEN, not SDL_LOADSO_DLOPEN.
- SDL_config_android.h, SDL_config_iphoneos.h, SDL_config_macosx.h,
  SDL_config_pandora.h, and SDL_config_wiz.h: define HAVE_DLOPEN.

Closes: https://github.com/libsdl-org/SDL/pull/4351
This commit is contained in:
Ozkan Sezer
2021-08-10 20:55:50 +03:00
committed by Sam Lantinga
parent cb0fd05eeb
commit 77c8d11137
17 changed files with 108 additions and 167 deletions
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2
src/video/directfb/SDL_DirectFB_opengl.c
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@@ -47,7 +47,7 @@ struct SDL_GLDriverData
};
#define OPENGL_REQUIRS_DLOPEN
#if defined(OPENGL_REQUIRS_DLOPEN) && defined(SDL_LOADSO_DLOPEN)
#if defined(OPENGL_REQUIRS_DLOPEN) && defined(HAVE_DLOPEN)
#include <dlfcn.h>
#define GL_LoadObject(X) dlopen(X, (RTLD_NOW|RTLD_GLOBAL))
#define GL_LoadFunction dlsym