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Threads are used by many SDL subsystems and may not be disabled.

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Fixes https://github.com/libsdl-org/SDL/issues/5095
This commit is contained in:
Sam Lantinga 2022-08-01 09:15:44 -07:00
parent 15bcf58d77
commit e4cc076a79
2 changed files with 13 additions and 11 deletions
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7
CMakeLists.txt
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@ -2711,9 +2711,10 @@ endif()
# We always need to have threads and timers around
if(NOT HAVE_SDL_THREADS)
set(SDL_THREADS_DISABLED 1)
file(GLOB THREADS_SOURCES ${SDL2_SOURCE_DIR}/src/thread/generic/*.c)
list(APPEND SOURCE_FILES ${THREADS_SOURCES})
message_error("Threads are needed by many SDL subsystems and may not be disabled")
#set(SDL_THREADS_DISABLED 1)
#file(GLOB THREADS_SOURCES ${SDL2_SOURCE_DIR}/src/thread/generic/*.c)
#list(APPEND SOURCE_FILES ${THREADS_SOURCES})
endif()
if(NOT HAVE_SDL_TIMERS)
set(SDL_TIMER_DUMMY 1)

17
configure.ac
View file

@ -522,14 +522,15 @@ if test x$enable_filesystem != xyes; then
else
SUMMARY_modules="${SUMMARY_modules} filesystem"
fi
AC_ARG_ENABLE(threads,
[AS_HELP_STRING([--enable-threads], [Enable the threading subsystem [default=yes]])],
, enable_threads=yes)
if test x$enable_threads != xyes; then
AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
else
SUMMARY_modules="${SUMMARY_modules} threads"
fi
# Many subsystems depend on threads, so leave them enabled by default
#AC_ARG_ENABLE(threads,
#[AS_HELP_STRING([--enable-threads], [Enable the threading subsystem [default=yes]])],
# , enable_threads=yes)
#if test x$enable_threads != xyes; then
# AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
#else
# SUMMARY_modules="${SUMMARY_modules} threads"
#fi
AC_ARG_ENABLE(timers,
[AS_HELP_STRING([--enable-timers], [Enable the timer subsystem [default=yes]])],
, enable_timers=yes)