On Sat, 11 Oct 2025 18:51:14 +0000 Thomas Huth wrote: > Hi! > > In the Hatari project (www.hatari-emu.org), we recently hit a problem in the > CI when we compile Hatari with Cygwin. A couple of weeks ago, everything > was working still fine: > > https://cirrus-ci.com/task/4681700988420096 > > Then it suddenly started failing - also for the very same code level of > Hatari that was working fine before: > > https://cirrus-ci.com/task/6377222543507456 > > The only difference was that the SDL2 package of Cygwin recently has been > upgraded from 2.32.8-1 to 2.32.56-1. > > Christian Zietz, a user of Hatari who has a Windows installation (I don't) > debugged the issue a little bit and concluded that it's crashing somewhere > during exit(): > > > https://sourceforge.net/p/hatari/mailman/hatari-devel/thread/00253a75-4089-4d8a-846e-8d5c0a4899ee%40gmx.net/#msg59242465 > > He reproduced it with the following small test program: > > --------------------- 8< ---------------------------------------- > > WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest > $ cat sdltest.c > #include <stdio.h> > #include <SDL.h> > > int main(int arc, char ** argv) { > > if (SDL_Init( SDL_INIT_VIDEO ) == 0) { > > printf("SDL_Init succeeded\n"); > printf("Calling SDL_Quit()\n"); > SDL_Quit(); > } > > return 0; > } > WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest > $ sdl2-config --version > 2.32.56 > > WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest > $ gcc -g -O1 -o sdltest sdltest.c -I /usr/include/SDL2/ -lsdl2 > > WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest > $ ./sdltest > SDL_Init succeeded > Calling SDL_Quit() > > WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest > $ ./sdltest > out.txt > > WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest > $ cat out.txt > > WDAGUtilityAccount@9f56fa41-fdda-4d08-96da-76c506c9465a /tmp/sdltest > $ gdb sdltest.exe > GNU gdb (GDB) (Cygwin 14.2-1) 14.2 > Copyright (C) 2023 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. > Type "show copying" and "show warranty" for details. > This GDB was configured as "x86_64-pc-cygwin". > Type "show configuration" for configuration details. > For bug reporting instructions, please see: > <https://www.gnu.org/software/gdb/bugs/>. > Find the GDB manual and other documentation resources online at: > <http://www.gnu.org/software/gdb/documentation/>. > > For help, type "help". > Type "apropos word" to search for commands related to "word"... > Reading symbols from sdltest.exe... > (gdb) run > Starting program: /tmp/sdltest/sdltest.exe > [New Thread 7024.0x1918] > [New Thread 7024.0x1210] > [New Thread 7024.0x1a80] > [New Thread 7024.0x18d0] > SDL_Init succeeded > Calling SDL_Quit() > > Thread 1 "sdltest" received signal SIGSEGV, Segmentation fault. > 0x00000003f96f1020 in ?? () > (gdb) bt > #0 0x00000003f96f1020 in ?? () > #1 0x00007ffb2a577a63 in __call_exitprocs (code=code@entry=0, d=d@entry=0x0) > at /usr/src/debug/cygwin-3.6.4-1/newlib/libc/stdlib/__call_atexit.c:123 > #2 0x00007ffb2a5356ce in exit (code=0) at > /usr/src/debug/cygwin-3.6.4-1/newlib/libc/stdlib/exit.c:60 > #3 0x00007ffb2a3d6a98 in cygwin_exit (n=0) at > /usr/src/debug/cygwin-3.6.4-1/winsup/cygwin/dcrt0.cc:1238 > #4 0x00007ffb2a3d80d4 in dll_crt0_1 () at > /usr/src/debug/cygwin-3.6.4-1/winsup/cygwin/dcrt0.cc:1003 > #5 0x00007ffb2a3d5d05 in _cygtls::call2 (this=0x7ffffce00, > func=0x7ffb2a3d707c <dll_crt0_1(void*)>, arg=0x0, > buf=buf@entry=0x7ffffcdf0) at > /usr/src/debug/cygwin-3.6.4-1/winsup/cygwin/cygtls.cc:41 > #6 0x00007ffb2a3d5dbb in _cygtls::call (func=<optimized out>, arg=<optimized > out>) > at /usr/src/debug/cygwin-3.6.4-1/winsup/cygwin/cygtls.cc:28 > #7 0x0000000000000000 in ?? () > (gdb) > > --------------------- 8< ---------------------------------------- > > Could someone please have a look?
Did you install SDL3 package as well? SDL2 2.32.56-1 is actually a SDL2-compat which depends SDL3. -- Takashi Yano <[email protected]> -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
