Fixed bug 4452 - Please replace AC_HELP_STRING with AS_HELP_STRING
authorSam Lantinga <slouken@libsdl.org>
Sat, 16 Mar 2019 17:47:59 -0700
changeset 12640b708d2c3fe08
parent 12639 1e4dd5933351
child 12641 64597a7e8771
Fixed bug 4452 - Please replace AC_HELP_STRING with AS_HELP_STRING

Hugh McMaster

AC_HELP_STRING is deprecated and is considered an obsolete macro in autoconf 2.69.

Please replace AC_HELP_STRING with AS_HELP_STRING.
configure.in
     1.1 --- a/configure.in	Sat Mar 16 17:39:15 2019 -0700
     1.2 +++ b/configure.in	Sat Mar 16 17:47:59 2019 -0700
     1.3 @@ -174,7 +174,7 @@
     1.4  
     1.5  dnl See whether we want assertions for debugging/sanity checking SDL itself.
     1.6  AC_ARG_ENABLE(assertions,
     1.7 -AC_HELP_STRING([--enable-assertions],
     1.8 +AS_HELP_STRING([--enable-assertions],
     1.9                 [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
    1.10                , enable_assertions=auto)
    1.11  case "$enable_assertions" in
    1.12 @@ -199,7 +199,7 @@
    1.13  
    1.14  dnl See whether we can use gcc style dependency tracking
    1.15  AC_ARG_ENABLE(dependency-tracking,
    1.16 -AC_HELP_STRING([--enable-dependency-tracking],
    1.17 +AS_HELP_STRING([--enable-dependency-tracking],
    1.18                 [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
    1.19                , enable_dependency_tracking=yes)
    1.20  if test x$enable_dependency_tracking = xyes; then
    1.21 @@ -294,7 +294,7 @@
    1.22  
    1.23  dnl See whether we are allowed to use the system C library
    1.24  AC_ARG_ENABLE(libc,
    1.25 -AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
    1.26 +AS_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
    1.27                , enable_libc=yes)
    1.28  if test x$enable_libc = xyes; then
    1.29      AC_DEFINE(HAVE_LIBC, 1, [ ])
    1.30 @@ -353,7 +353,7 @@
    1.31  
    1.32  dnl See whether we can use gcc atomic operations on this architecture
    1.33  AC_ARG_ENABLE(gcc-atomics,
    1.34 -AC_HELP_STRING([--enable-gcc-atomics],
    1.35 +AS_HELP_STRING([--enable-gcc-atomics],
    1.36                 [Use gcc builtin atomics [[default=yes]]]),
    1.37                , enable_gcc_atomics=yes)
    1.38  if test x$enable_gcc_atomics = xyes; then
    1.39 @@ -416,7 +416,7 @@
    1.40  dnl Enable/disable various subsystems of the SDL library
    1.41  
    1.42  AC_ARG_ENABLE(atomic,
    1.43 -AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
    1.44 +AS_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
    1.45                , enable_atomic=yes)
    1.46  if test x$enable_atomic != xyes; then
    1.47      AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
    1.48 @@ -424,7 +424,7 @@
    1.49      SUMMARY_modules="${SUMMARY_modules} atomic"
    1.50  fi
    1.51  AC_ARG_ENABLE(audio,
    1.52 -AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
    1.53 +AS_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
    1.54                , enable_audio=yes)
    1.55  if test x$enable_audio != xyes; then
    1.56      AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
    1.57 @@ -432,7 +432,7 @@
    1.58      SUMMARY_modules="${SUMMARY_modules} audio"
    1.59  fi
    1.60  AC_ARG_ENABLE(video,
    1.61 -AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
    1.62 +AS_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
    1.63                , enable_video=yes)
    1.64  if test x$enable_video != xyes; then
    1.65      AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
    1.66 @@ -440,7 +440,7 @@
    1.67      SUMMARY_modules="${SUMMARY_modules} video"
    1.68  fi
    1.69  AC_ARG_ENABLE(render,
    1.70 -AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
    1.71 +AS_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
    1.72                , enable_render=yes)
    1.73  if test x$enable_render != xyes; then
    1.74      AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
    1.75 @@ -448,7 +448,7 @@
    1.76      SUMMARY_modules="${SUMMARY_modules} render"
    1.77  fi
    1.78  AC_ARG_ENABLE(events,
    1.79 -AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
    1.80 +AS_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
    1.81                , enable_events=yes)
    1.82  if test x$enable_events != xyes; then
    1.83      AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
    1.84 @@ -456,7 +456,7 @@
    1.85      SUMMARY_modules="${SUMMARY_modules} events"
    1.86  fi
    1.87  AC_ARG_ENABLE(joystick,
    1.88 -AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
    1.89 +AS_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
    1.90                , enable_joystick=yes)
    1.91  if test x$enable_joystick != xyes; then
    1.92      AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
    1.93 @@ -464,7 +464,7 @@
    1.94      SUMMARY_modules="${SUMMARY_modules} joystick"
    1.95  fi
    1.96  AC_ARG_ENABLE(haptic,
    1.97 -AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
    1.98 +AS_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
    1.99                , enable_haptic=yes)
   1.100  if test x$enable_haptic != xyes; then
   1.101      AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   1.102 @@ -472,7 +472,7 @@
   1.103      SUMMARY_modules="${SUMMARY_modules} haptic"
   1.104  fi
   1.105  AC_ARG_ENABLE(sensor,
   1.106 -AC_HELP_STRING([--enable-sensor], [Enable the sensor subsystem [[default=yes]]]),
   1.107 +AS_HELP_STRING([--enable-sensor], [Enable the sensor subsystem [[default=yes]]]),
   1.108                , enable_sensor=yes)
   1.109  if test x$enable_sensor != xyes; then
   1.110      AC_DEFINE(SDL_SENSOR_DISABLED, 1, [ ])
   1.111 @@ -480,7 +480,7 @@
   1.112      SUMMARY_modules="${SUMMARY_modules} sensor"
   1.113  fi
   1.114  AC_ARG_ENABLE(power,
   1.115 -AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   1.116 +AS_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   1.117                , enable_power=yes)
   1.118  if test x$enable_power != xyes; then
   1.119      AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   1.120 @@ -488,7 +488,7 @@
   1.121      SUMMARY_modules="${SUMMARY_modules} power"
   1.122  fi
   1.123  AC_ARG_ENABLE(filesystem,
   1.124 -AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   1.125 +AS_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   1.126                , enable_filesystem=yes)
   1.127  if test x$enable_filesystem != xyes; then
   1.128      AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
   1.129 @@ -496,7 +496,7 @@
   1.130      SUMMARY_modules="${SUMMARY_modules} filesystem"
   1.131  fi
   1.132  AC_ARG_ENABLE(threads,
   1.133 -AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   1.134 +AS_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   1.135                , enable_threads=yes)
   1.136  if test x$enable_threads != xyes; then
   1.137      AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   1.138 @@ -504,7 +504,7 @@
   1.139      SUMMARY_modules="${SUMMARY_modules} threads"
   1.140  fi
   1.141  AC_ARG_ENABLE(timers,
   1.142 -AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   1.143 +AS_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   1.144                , enable_timers=yes)
   1.145  if test x$enable_timers != xyes; then
   1.146      AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   1.147 @@ -512,7 +512,7 @@
   1.148      SUMMARY_modules="${SUMMARY_modules} timers"
   1.149  fi
   1.150  AC_ARG_ENABLE(file,
   1.151 -AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   1.152 +AS_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   1.153                , enable_file=yes)
   1.154  if test x$enable_file != xyes; then
   1.155      AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   1.156 @@ -520,7 +520,7 @@
   1.157      SUMMARY_modules="${SUMMARY_modules} file"
   1.158  fi
   1.159  AC_ARG_ENABLE(loadso,
   1.160 -AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   1.161 +AS_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   1.162                , enable_loadso=yes)
   1.163  if test x$enable_loadso != xyes; then
   1.164      AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   1.165 @@ -528,7 +528,7 @@
   1.166      SUMMARY_modules="${SUMMARY_modules} loadso"
   1.167  fi
   1.168  AC_ARG_ENABLE(cpuinfo,
   1.169 -AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   1.170 +AS_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   1.171                , enable_cpuinfo=yes)
   1.172  if test x$enable_cpuinfo != xyes; then
   1.173      AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   1.174 @@ -536,7 +536,7 @@
   1.175      SUMMARY_modules="${SUMMARY_modules} cpuinfo"
   1.176  fi
   1.177  AC_ARG_ENABLE(assembly,
   1.178 -AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   1.179 +AS_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   1.180                , enable_assembly=yes)
   1.181  if test x$enable_assembly = xyes; then
   1.182      SUMMARY_modules="${SUMMARY_modules} assembly"
   1.183 @@ -559,7 +559,7 @@
   1.184              ;;
   1.185      esac
   1.186      AC_ARG_ENABLE(ssemath,
   1.187 -AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=maybe]]]),
   1.188 +AS_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=maybe]]]),
   1.189                    , enable_ssemath=$default_ssemath)
   1.190      if test x$enable_ssemath = xno; then
   1.191          if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes -o x$have_gcc_sse3 = xyes; then
   1.192 @@ -569,7 +569,7 @@
   1.193  
   1.194      dnl Check for various instruction support
   1.195      AC_ARG_ENABLE(mmx,
   1.196 -AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   1.197 +AS_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   1.198                    , enable_mmx=yes)
   1.199      if test x$enable_mmx = xyes; then
   1.200          save_CFLAGS="$CFLAGS"
   1.201 @@ -606,7 +606,7 @@
   1.202      fi
   1.203  
   1.204      AC_ARG_ENABLE(3dnow,
   1.205 -AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   1.206 +AS_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   1.207                    , enable_3dnow=yes)
   1.208      if test x$enable_3dnow = xyes; then
   1.209          save_CFLAGS="$CFLAGS"
   1.210 @@ -636,7 +636,7 @@
   1.211      fi
   1.212  
   1.213      AC_ARG_ENABLE(sse,
   1.214 -AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   1.215 +AS_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   1.216                    , enable_sse=yes)
   1.217      if test x$enable_sse = xyes; then
   1.218          save_CFLAGS="$CFLAGS"
   1.219 @@ -673,7 +673,7 @@
   1.220      fi
   1.221  
   1.222      AC_ARG_ENABLE(sse2,
   1.223 -AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=maybe]]]),
   1.224 +AS_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=maybe]]]),
   1.225                    , enable_sse2=$default_ssemath)
   1.226      if test x$enable_sse2 = xyes; then
   1.227          save_CFLAGS="$CFLAGS"
   1.228 @@ -710,7 +710,7 @@
   1.229      fi
   1.230  
   1.231      AC_ARG_ENABLE(sse3,
   1.232 -AC_HELP_STRING([--enable-sse3], [use SSE3 assembly routines [[default=maybe]]]),
   1.233 +AS_HELP_STRING([--enable-sse3], [use SSE3 assembly routines [[default=maybe]]]),
   1.234                    , enable_sse3=$default_ssemath)
   1.235      if test x$enable_sse3 = xyes; then
   1.236          save_CFLAGS="$CFLAGS"
   1.237 @@ -754,7 +754,7 @@
   1.238      fi
   1.239  
   1.240      AC_ARG_ENABLE(altivec,
   1.241 -AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   1.242 +AS_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   1.243                    , enable_altivec=yes)
   1.244      if test x$enable_altivec = xyes; then
   1.245          save_CFLAGS="$CFLAGS"
   1.246 @@ -835,7 +835,7 @@
   1.247  CheckOSS()
   1.248  {
   1.249      AC_ARG_ENABLE(oss,
   1.250 -AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   1.251 +AS_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   1.252                    , enable_oss=maybe)
   1.253  
   1.254      # OpenBSD "has" OSS, but it's not really for app use. They want you to
   1.255 @@ -891,7 +891,7 @@
   1.256  CheckALSA()
   1.257  {
   1.258      AC_ARG_ENABLE(alsa,
   1.259 -AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   1.260 +AS_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   1.261                    , enable_alsa=yes)
   1.262      if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   1.263          AM_PATH_ALSA(1.0.11, have_alsa=yes, have_alsa=no)
   1.264 @@ -901,7 +901,7 @@
   1.265          LIBS="$alsa_save_LIBS"
   1.266          if test x$have_alsa = xyes; then
   1.267              AC_ARG_ENABLE(alsa-shared,
   1.268 -AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   1.269 +AS_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   1.270                            , enable_alsa_shared=yes)
   1.271              alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   1.272  
   1.273 @@ -930,14 +930,14 @@
   1.274  CheckJACK()
   1.275  {
   1.276      AC_ARG_ENABLE(jack,
   1.277 -AC_HELP_STRING([--enable-jack], [use JACK audio [[default=yes]]]),
   1.278 +AS_HELP_STRING([--enable-jack], [use JACK audio [[default=yes]]]),
   1.279                    , enable_jack=yes)
   1.280      if test x$enable_audio = xyes -a x$enable_jack = xyes; then
   1.281          PKG_CHECK_MODULES([JACK], [jack >= 0.125], audio_jack=yes, audio_jack=no)
   1.282  
   1.283          if test x$audio_jack = xyes; then
   1.284              AC_ARG_ENABLE(jack-shared,
   1.285 -AC_HELP_STRING([--enable-jack-shared], [dynamically load JACK audio support [[default=yes]]]),
   1.286 +AS_HELP_STRING([--enable-jack-shared], [dynamically load JACK audio support [[default=yes]]]),
   1.287                            , enable_jack_shared=yes)
   1.288              jack_lib=[`find_lib "libjack.so.*" "$JACK_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   1.289  
   1.290 @@ -974,13 +974,13 @@
   1.291  CheckESD()
   1.292  {
   1.293      AC_ARG_ENABLE(esd,
   1.294 -AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   1.295 +AS_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   1.296                    , enable_esd=yes)
   1.297      if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   1.298          AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   1.299          if test x$have_esd = xyes; then
   1.300              AC_ARG_ENABLE(esd-shared,
   1.301 -AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   1.302 +AS_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   1.303                            , enable_esd_shared=yes)
   1.304              esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   1.305  
   1.306 @@ -1009,14 +1009,14 @@
   1.307  CheckPulseAudio()
   1.308  {
   1.309      AC_ARG_ENABLE(pulseaudio,
   1.310 -AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   1.311 +AS_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   1.312                    , enable_pulseaudio=yes)
   1.313      if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   1.314          PKG_CHECK_MODULES([PULSEAUDIO], [libpulse-simple >= 0.9], audio_pulseaudio=yes, audio_pulseaudio=no)
   1.315  
   1.316          if test x$audio_pulseaudio = xyes; then
   1.317              AC_ARG_ENABLE(pulseaudio-shared,
   1.318 -AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   1.319 +AS_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   1.320                            , enable_pulseaudio_shared=yes)
   1.321              pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   1.322  
   1.323 @@ -1052,7 +1052,7 @@
   1.324  CheckARTSC()
   1.325  {
   1.326      AC_ARG_ENABLE(arts,
   1.327 -AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   1.328 +AS_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   1.329                    , enable_arts=yes)
   1.330      if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   1.331          AC_PATH_PROG(ARTSCONFIG, artsc-config)
   1.332 @@ -1076,7 +1076,7 @@
   1.333              AC_MSG_RESULT($audio_arts)
   1.334              if test x$audio_arts = xyes; then
   1.335                  AC_ARG_ENABLE(arts-shared,
   1.336 -AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   1.337 +AS_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   1.338                                , enable_arts_shared=yes)
   1.339                  arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   1.340  
   1.341 @@ -1106,7 +1106,7 @@
   1.342  CheckNAS()
   1.343  {
   1.344      AC_ARG_ENABLE(nas,
   1.345 -AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   1.346 +AS_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   1.347                    , enable_nas=yes)
   1.348      if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   1.349          AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   1.350 @@ -1130,7 +1130,7 @@
   1.351  
   1.352          if test x$have_nas = xyes; then
   1.353              AC_ARG_ENABLE(nas-shared,
   1.354 -AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   1.355 +AS_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   1.356                            , enable_nas_shared=yes)
   1.357              nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   1.358  
   1.359 @@ -1160,7 +1160,7 @@
   1.360  CheckSNDIO()
   1.361  {
   1.362      AC_ARG_ENABLE(sndio,
   1.363 -AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
   1.364 +AS_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
   1.365                    , enable_sndio=yes)
   1.366      if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
   1.367          AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
   1.368 @@ -1178,7 +1178,7 @@
   1.369  
   1.370          if test x$have_sndio = xyes; then
   1.371              AC_ARG_ENABLE(sndio-shared,
   1.372 -AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
   1.373 +AS_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
   1.374                            , enable_sndio_shared=yes)
   1.375              sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   1.376  
   1.377 @@ -1208,7 +1208,7 @@
   1.378  CheckFusionSound()
   1.379  {
   1.380      AC_ARG_ENABLE(fusionsound,
   1.381 -AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
   1.382 +AS_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
   1.383                    , enable_fusionsound=no)
   1.384      if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
   1.385          PKG_CHECK_MODULES([FUSIONSOUND], [fusionsound >= 1.1.1], fusionsound=yes, fusionsound=no)
   1.386 @@ -1219,7 +1219,7 @@
   1.387              EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
   1.388              
   1.389              AC_ARG_ENABLE(fusionsound-shared,
   1.390 -AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
   1.391 +AS_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
   1.392                            , enable_fusionsound_shared=yes)
   1.393              fusionsound_shared=no
   1.394              AC_MSG_CHECKING(for FusionSound dynamic loading support)
   1.395 @@ -1247,7 +1247,7 @@
   1.396  CheckDiskAudio()
   1.397  {
   1.398      AC_ARG_ENABLE(diskaudio,
   1.399 -AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
   1.400 +AS_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
   1.401                    , enable_diskaudio=yes)
   1.402      if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
   1.403          AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
   1.404 @@ -1260,7 +1260,7 @@
   1.405  CheckDummyAudio()
   1.406  {
   1.407      AC_ARG_ENABLE(dummyaudio,
   1.408 -AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
   1.409 +AS_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
   1.410                    , enable_dummyaudio=yes)
   1.411      if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
   1.412          AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
   1.413 @@ -1273,7 +1273,7 @@
   1.414  CheckLibSampleRate()
   1.415  {
   1.416      AC_ARG_ENABLE(libsamplerate,
   1.417 -AC_HELP_STRING([--enable-libsamplerate], [use libsamplerate for audio rate conversion [[default=yes]]]),
   1.418 +AS_HELP_STRING([--enable-libsamplerate], [use libsamplerate for audio rate conversion [[default=yes]]]),
   1.419                    , enable_libsamplerate=yes)
   1.420      if test x$enable_libsamplerate = xyes; then
   1.421          AC_CHECK_HEADER(samplerate.h,
   1.422 @@ -1283,7 +1283,7 @@
   1.423              AC_DEFINE(HAVE_LIBSAMPLERATE_H, 1, [ ])
   1.424  
   1.425              AC_ARG_ENABLE(libsamplerate-shared,
   1.426 -AC_HELP_STRING([--enable-libsamplerate-shared], [dynamically load libsamplerate [[default=yes]]]),
   1.427 +AS_HELP_STRING([--enable-libsamplerate-shared], [dynamically load libsamplerate [[default=yes]]]),
   1.428                            , enable_libsamplerate_shared=yes)
   1.429  
   1.430              samplerate_lib=[`find_lib "libsamplerate.so.*" "" | sed 's/.*\/\(.*\)/\1/; q'`]
   1.431 @@ -1415,11 +1415,11 @@
   1.432  CheckWayland()
   1.433  {
   1.434      AC_ARG_ENABLE(video-wayland,
   1.435 -AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
   1.436 +AS_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
   1.437                    ,enable_video_wayland=yes)
   1.438  
   1.439      AC_ARG_ENABLE(video-wayland-qt-touch,
   1.440 -AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
   1.441 +AS_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
   1.442                    ,enable_video_wayland_qt_touch=yes)
   1.443  
   1.444      if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
   1.445 @@ -1446,7 +1446,7 @@
   1.446              SOURCES="$SOURCES $WAYLAND_SOURCES"
   1.447              EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS -I\$(gen)"
   1.448              AC_ARG_ENABLE(wayland-shared,
   1.449 -AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
   1.450 +AS_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
   1.451                            , enable_wayland_shared=maybe)
   1.452  
   1.453              dnl FIXME: Do BSD and OS X need special cases?
   1.454 @@ -1527,7 +1527,7 @@
   1.455  CheckRPI()
   1.456  {
   1.457      AC_ARG_ENABLE(video-rpi,
   1.458 -AC_HELP_STRING([--enable-video-rpi], [use Raspberry Pi video driver [[default=no]]]),
   1.459 +AS_HELP_STRING([--enable-video-rpi], [use Raspberry Pi video driver [[default=no]]]),
   1.460                    , enable_video_rpi=no)
   1.461      if test x$enable_video = xyes -a x$enable_video_rpi = xyes; then
   1.462          PKG_CHECK_MODULES([RPI], [bcm_host brcmegl], video_rpi=yes, video_rpi=no)
   1.463 @@ -1579,7 +1579,7 @@
   1.464  CheckX11()
   1.465  {
   1.466      AC_ARG_ENABLE(video-x11,
   1.467 -AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
   1.468 +AS_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
   1.469                    , enable_video_x11=yes)
   1.470      if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
   1.471          case "$host" in
   1.472 @@ -1598,7 +1598,7 @@
   1.473          AC_PATH_XTRA
   1.474          if test x$have_x = xyes; then
   1.475              AC_ARG_ENABLE(x11-shared,
   1.476 -AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
   1.477 +AS_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
   1.478                            , enable_x11_shared=maybe)
   1.479  
   1.480              case "$host" in
   1.481 @@ -1720,7 +1720,7 @@
   1.482              AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
   1.483  
   1.484              AC_ARG_ENABLE(video-x11-xcursor,
   1.485 -AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
   1.486 +AS_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
   1.487                              , enable_video_x11_xcursor=yes)
   1.488              if test x$enable_video_x11_xcursor = xyes; then
   1.489                  definitely_enable_video_x11_xcursor=no
   1.490 @@ -1748,7 +1748,7 @@
   1.491                  SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
   1.492              fi
   1.493              AC_ARG_ENABLE(video-x11-xdbe,
   1.494 -AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
   1.495 +AS_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
   1.496                              , enable_video_x11_xdbe=yes)
   1.497              if test x$enable_video_x11_xdbe = xyes; then
   1.498                  AC_CHECK_HEADER(X11/extensions/Xdbe.h,
   1.499 @@ -1762,7 +1762,7 @@
   1.500                  fi
   1.501              fi
   1.502              AC_ARG_ENABLE(video-x11-xinerama,
   1.503 -AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
   1.504 +AS_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
   1.505                              , enable_video_x11_xinerama=yes)
   1.506              if test x$enable_video_x11_xinerama = xyes; then
   1.507                  definitely_enable_video_x11_xinerama=no
   1.508 @@ -1790,7 +1790,7 @@
   1.509                  SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
   1.510              fi
   1.511              AC_ARG_ENABLE(video-x11-xinput,
   1.512 -AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
   1.513 +AS_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
   1.514                              , enable_video_x11_xinput=yes)
   1.515              if test x$enable_video_x11_xinput = xyes; then
   1.516                  definitely_enable_video_x11_xinput=no
   1.517 @@ -1833,7 +1833,7 @@
   1.518                  AC_MSG_RESULT($have_xinput2_multitouch)
   1.519              fi
   1.520              AC_ARG_ENABLE(video-x11-xrandr,
   1.521 -AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
   1.522 +AS_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
   1.523                              , enable_video_x11_xrandr=yes)
   1.524              if test x$enable_video_x11_xrandr = xyes; then
   1.525                  dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
   1.526 @@ -1866,7 +1866,7 @@
   1.527                  SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
   1.528              fi
   1.529              AC_ARG_ENABLE(video-x11-scrnsaver,
   1.530 -AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
   1.531 +AS_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
   1.532                              , enable_video_x11_scrnsaver=yes)
   1.533              if test x$enable_video_x11_scrnsaver = xyes; then
   1.534                  AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
   1.535 @@ -1893,7 +1893,7 @@
   1.536                  SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
   1.537              fi
   1.538              AC_ARG_ENABLE(video-x11-xshape,
   1.539 -AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
   1.540 +AS_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
   1.541                              , enable_video_x11_xshape=yes)
   1.542              if test x$enable_video_x11_xshape = xyes; then
   1.543                  AC_CHECK_HEADER(X11/extensions/shape.h,
   1.544 @@ -1907,7 +1907,7 @@
   1.545                  fi
   1.546              fi
   1.547              AC_ARG_ENABLE(video-x11-vm,
   1.548 -AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
   1.549 +AS_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
   1.550                              , enable_video_x11_vm=yes)
   1.551              if test x$enable_video_x11_vm = xyes; then
   1.552                  definitely_enable_video_x11_vm=no
   1.553 @@ -1942,7 +1942,7 @@
   1.554  CheckVivanteVideo()
   1.555  {
   1.556      AC_ARG_ENABLE(video-vivante,
   1.557 -AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
   1.558 +AS_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
   1.559                    , enable_video_vivante=yes)
   1.560      if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
   1.561          AC_MSG_CHECKING(for Vivante VDK API)
   1.562 @@ -1998,7 +1998,7 @@
   1.563  CheckCOCOA()
   1.564  {
   1.565      AC_ARG_ENABLE(video-cocoa,
   1.566 -AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
   1.567 +AS_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
   1.568                    , enable_video_cocoa=yes)
   1.569      if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
   1.570          save_CFLAGS="$CFLAGS"
   1.571 @@ -2026,7 +2026,7 @@
   1.572  CheckMETAL()
   1.573  {
   1.574      AC_ARG_ENABLE(render-metal,
   1.575 -AC_HELP_STRING([--enable-render-metal], [enable the Metal render driver [[default=yes]]]),
   1.576 +AS_HELP_STRING([--enable-render-metal], [enable the Metal render driver [[default=yes]]]),
   1.577                                  , enable_render_metal=yes)
   1.578      if test x$enable_render = xyes -a x$enable_render_metal = xyes; then
   1.579          save_CFLAGS="$CFLAGS"
   1.580 @@ -2063,7 +2063,7 @@
   1.581  CheckDirectFB()
   1.582  {
   1.583      AC_ARG_ENABLE(video-directfb,
   1.584 -AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
   1.585 +AS_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
   1.586                    , enable_video_directfb=no)
   1.587      if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
   1.588          PKG_CHECK_MODULES([DIRECTFB], [directfb >= 1.0.0], video_directfb=yes, video_directfb=no)
   1.589 @@ -2079,7 +2079,7 @@
   1.590  
   1.591          if test x$video_directfb = xyes; then
   1.592              AC_ARG_ENABLE(directfb-shared,
   1.593 -AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
   1.594 +AS_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
   1.595                                , enable_directfb_shared=yes)
   1.596  
   1.597              AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
   1.598 @@ -2117,7 +2117,7 @@
   1.599  CheckKMSDRM()
   1.600  {
   1.601      AC_ARG_ENABLE(video-kmsdrm,
   1.602 -AC_HELP_STRING([--enable-video-kmsdrm], [use KMSDRM video driver [[default=no]]]),
   1.603 +AS_HELP_STRING([--enable-video-kmsdrm], [use KMSDRM video driver [[default=no]]]),
   1.604                    , enable_video_kmsdrm=no)
   1.605  
   1.606      if test x$enable_video = xyes -a x$enable_video_kmsdrm = xyes; then
   1.607 @@ -2132,7 +2132,7 @@
   1.608  
   1.609          if test x$video_kmsdrm = xyes; then
   1.610              AC_ARG_ENABLE(kmsdrm-shared,
   1.611 -AC_HELP_STRING([--enable-kmsdrm-shared], [dynamically load kmsdrm support [[default=yes]]]),
   1.612 +AS_HELP_STRING([--enable-kmsdrm-shared], [dynamically load kmsdrm support [[default=yes]]]),
   1.613                  , enable_kmsdrm_shared=yes)
   1.614  
   1.615              AC_DEFINE(SDL_VIDEO_DRIVER_KMSDRM, 1, [ ])
   1.616 @@ -2168,7 +2168,7 @@
   1.617  CheckDummyVideo()
   1.618  {
   1.619      AC_ARG_ENABLE(video-dummy,
   1.620 -AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
   1.621 +AS_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
   1.622                    , enable_video_dummy=yes)
   1.623      if test x$enable_video_dummy = xyes; then
   1.624          AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
   1.625 @@ -2204,7 +2204,7 @@
   1.626  
   1.627  dnl Check to see if OpenGL support is desired
   1.628  AC_ARG_ENABLE(video-opengl,
   1.629 -AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
   1.630 +AS_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
   1.631                , enable_video_opengl=yes)
   1.632  
   1.633  dnl Find OpenGL
   1.634 @@ -2232,13 +2232,13 @@
   1.635  
   1.636  dnl Check to see if OpenGL ES support is desired
   1.637  AC_ARG_ENABLE(video-opengles,
   1.638 -AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
   1.639 +AS_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
   1.640                , enable_video_opengles=yes)
   1.641  AC_ARG_ENABLE(video-opengles1,
   1.642 -AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
   1.643 +AS_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
   1.644                , enable_video_opengles1=yes)
   1.645  AC_ARG_ENABLE(video-opengles2,
   1.646 -AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
   1.647 +AS_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
   1.648                , enable_video_opengles2=yes)
   1.649  
   1.650  dnl Find OpenGL ES
   1.651 @@ -2422,7 +2422,7 @@
   1.652  
   1.653  dnl Check to see if Vulkan support is desired
   1.654  AC_ARG_ENABLE(video-vulkan,
   1.655 -AC_HELP_STRING([--enable-video-vulkan], [include Vulkan support [[default=yes]]]),
   1.656 +AS_HELP_STRING([--enable-video-vulkan], [include Vulkan support [[default=yes]]]),
   1.657                , enable_video_vulkan=yes)
   1.658  
   1.659  dnl Find Vulkan Header
   1.660 @@ -2524,7 +2524,7 @@
   1.661  CheckLibUDev()
   1.662  {
   1.663      AC_ARG_ENABLE(libudev,
   1.664 -AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
   1.665 +AS_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
   1.666                          , enable_libudev=yes)
   1.667      if test x$enable_libudev = xyes; then
   1.668          AC_CHECK_HEADER(libudev.h,
   1.669 @@ -2546,7 +2546,7 @@
   1.670  CheckDBus()
   1.671  {
   1.672      AC_ARG_ENABLE(dbus,
   1.673 -AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
   1.674 +AS_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
   1.675                          , enable_dbus=yes)
   1.676      if test x$enable_dbus = xyes; then
   1.677          PKG_CHECK_MODULES([DBUS], [dbus-1])
   1.678 @@ -2568,7 +2568,7 @@
   1.679  CheckIME()
   1.680  {
   1.681      AC_ARG_ENABLE(ime,
   1.682 -AC_HELP_STRING([--enable-ime], [enable IME support [[default=yes]]]),
   1.683 +AS_HELP_STRING([--enable-ime], [enable IME support [[default=yes]]]),
   1.684                    , enable_ime=yes)
   1.685      if test x$enable_ime = xyes; then
   1.686          AC_DEFINE(SDL_USE_IME, 1, [ ])
   1.687 @@ -2580,7 +2580,7 @@
   1.688  CheckIBus()
   1.689  {
   1.690      AC_ARG_ENABLE(ibus,
   1.691 -AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
   1.692 +AS_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
   1.693                    , enable_ibus=yes)
   1.694      if test x$enable_ibus = xyes; then
   1.695          PKG_CHECK_MODULES([IBUS], [ibus-1.0])
   1.696 @@ -2616,7 +2616,7 @@
   1.697  CheckFcitx()
   1.698  {
   1.699      AC_ARG_ENABLE(fcitx,
   1.700 -AC_HELP_STRING([--enable-fcitx], [enable fcitx support [[default=yes]]]),
   1.701 +AS_HELP_STRING([--enable-fcitx], [enable fcitx support [[default=yes]]]),
   1.702                    , enable_fcitx=yes)
   1.703      if test x$enable_fcitx = xyes; then
   1.704          PKG_CHECK_MODULES([FCITX], [fcitx])
   1.705 @@ -2645,7 +2645,7 @@
   1.706  CheckTslib()
   1.707  {
   1.708      AC_ARG_ENABLE(input-tslib,
   1.709 -AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
   1.710 +AS_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
   1.711                    , enable_input_tslib=yes)
   1.712      if test x$enable_input_tslib = xyes; then
   1.713          AC_MSG_CHECKING(for Touchscreen library support)
   1.714 @@ -2670,11 +2670,11 @@
   1.715  {
   1.716      dnl Check for pthread support
   1.717      AC_ARG_ENABLE(pthreads,
   1.718 -AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
   1.719 +AS_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
   1.720                    , enable_pthreads=yes)
   1.721      dnl This is used on Linux for glibc binary compatibility (Doh!)
   1.722      AC_ARG_ENABLE(pthread-sem,
   1.723 -AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
   1.724 +AS_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
   1.725                    , enable_pthread_sem=yes)
   1.726      case "$host" in
   1.727           *-*-android*)
   1.728 @@ -2930,7 +2930,7 @@
   1.729  CheckDIRECTX()
   1.730  {
   1.731      AC_ARG_ENABLE(directx,
   1.732 -AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
   1.733 +AS_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
   1.734                    , enable_directx=yes)
   1.735      if test x$enable_directx = xyes; then
   1.736          AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
   1.737 @@ -2997,7 +2997,7 @@
   1.738      AC_CHECK_HEADER(endpointvolume.h,AC_DEFINE(HAVE_ENDPOINTVOLUME_H,1,[]))
   1.739  
   1.740      AC_ARG_ENABLE(wasapi,
   1.741 -AC_HELP_STRING([--enable-wasapi], [use the Windows WASAPI audio driver [[default=yes]]]),
   1.742 +AS_HELP_STRING([--enable-wasapi], [use the Windows WASAPI audio driver [[default=yes]]]),
   1.743                                  , enable_wasapi=yes)
   1.744  }
   1.745  
   1.746 @@ -3005,7 +3005,7 @@
   1.747  CheckDLOPEN()
   1.748  {
   1.749      AC_ARG_ENABLE(sdl-dlopen,
   1.750 -AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
   1.751 +AS_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
   1.752                    , enable_sdl_dlopen=yes)
   1.753      if test x$enable_sdl_dlopen = xyes; then
   1.754          AC_MSG_CHECKING(for dlopen)
   1.755 @@ -3180,7 +3180,7 @@
   1.756      #
   1.757      # Except that libusb requires root permissions to open devices, so that's not generally useful, and we'll disable this by default.
   1.758      AC_ARG_ENABLE(hidapi,
   1.759 -AC_HELP_STRING([--enable-hidapi], [use HIDAPI for low level joystick drivers [[default=no]]]),
   1.760 +AS_HELP_STRING([--enable-hidapi], [use HIDAPI for low level joystick drivers [[default=no]]]),
   1.761                    , enable_hidapi=no)
   1.762      if test x$enable_joystick = xyes -a x$enable_hidapi = xyes; then
   1.763          PKG_CHECK_MODULES([LIBUSB], [libusb-1.0])
   1.764 @@ -3208,7 +3208,7 @@
   1.765  CheckClockGettime()
   1.766  {
   1.767      AC_ARG_ENABLE(clock_gettime,
   1.768 -AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
   1.769 +AS_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
   1.770                    , enable_clock_gettime=yes)
   1.771      if test x$enable_clock_gettime = xyes; then
   1.772          AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
   1.773 @@ -3238,7 +3238,7 @@
   1.774  CheckRPATH()
   1.775  {
   1.776      AC_ARG_ENABLE(rpath,
   1.777 -AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
   1.778 +AS_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
   1.779                    , enable_rpath=yes)
   1.780  }
   1.781  
   1.782 @@ -3248,14 +3248,14 @@
   1.783  CheckEventSignals()
   1.784  {
   1.785      AC_ARG_ENABLE(backgrounding-signal,
   1.786 -AC_HELP_STRING([--enable-backgrounding-signal], [number to use for magic backgrounding signal or 'no' [[default=no]]]),
   1.787 +AS_HELP_STRING([--enable-backgrounding-signal], [number to use for magic backgrounding signal or 'no' [[default=no]]]),
   1.788                    , enable_backgrounding_signal=no)
   1.789      if test x$enable_backgrounding_signal != xno; then
   1.790          EXTRA_CFLAGS="$EXTRA_CFLAGS -DSDL_BACKGROUNDING_SIGNAL=$enable_backgrounding_signal"
   1.791      fi
   1.792  
   1.793      AC_ARG_ENABLE(foregrounding-signal,
   1.794 -AC_HELP_STRING([--enable-foregrounding-signal], [number to use for magic foregrounding signal or 'no' [[default=no]]]),
   1.795 +AS_HELP_STRING([--enable-foregrounding-signal], [number to use for magic foregrounding signal or 'no' [[default=no]]]),
   1.796                    , enable_foregrounding_signal=no)
   1.797      if test x$enable_foregrounding_signal != xno; then
   1.798          EXTRA_CFLAGS="$EXTRA_CFLAGS -DSDL_FOREGROUNDING_SIGNAL=$enable_foregrounding_signal"
   1.799 @@ -3510,7 +3510,7 @@
   1.800              SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
   1.801              have_video=yes
   1.802              AC_ARG_ENABLE(render-d3d,
   1.803 -AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
   1.804 +AS_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
   1.805                                  , enable_render_d3d=yes)
   1.806              if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
   1.807                  AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])