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Select directory for MIT-SHM temp files at configure time

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By default, this looks through a list of directories to find one which
exists, but can be overridden with --with-shared-memory-dir=PATH

This patch doesn't actually do anything with this directory, just
makes it available in the configuration

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Julien Cristau <jcristau@debian.org>
This commit is contained in:
Keith Packard 2013-11-13 12:17:10 +09:00
parent d695cb7fb6
commit 5a969f0928
2 changed files with 46 additions and 0 deletions
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43
configure.ac
View File

@ -1086,6 +1086,49 @@ case "$DRI2,$HAVE_DRI2PROTO" in
esac
AM_CONDITIONAL(DRI2, test "x$DRI2" = xyes)
dnl
dnl Locate a suitable tmp file system for creating shared memeory files
dnl
AC_ARG_WITH(shared-memory-dir, AS_HELP_STRING([--with-shared-memory-dir=PATH], [Path to directory in a world-writable temporary directory for anonymous shared memory (default: auto)]),
[],
[with_shared_memory_dir=yes])
shmdirs="/run/shm /var/tmp /tmp"
case x"$with_shared_memory_dir" in
xyes)
for dir in $shmdirs; do
case x"$with_shared_memory_dir" in
xyes)
echo Checking temp dir "$dir"
if test -d "$dir"; then
with_shared_memory_dir="$dir"
fi
;;
esac
done
;;
x/*)
;;
xno)
;;
*)
AC_MSG_ERROR([Invalid directory specified for --with-shared-memory-dir: $with_shared_memory_dir])
;;
esac
case x"$with_shared_memory_dir" in
xyes)
AC_MSG_ERROR([No directory found for shared memory temp files.])
;;
xno)
;;
*)
AC_DEFINE_UNQUOTED(SHMDIR, ["$with_shared_memory_dir"], [Directory for shared memory temp files])
;;
esac
AC_ARG_ENABLE(xtrans-send-fds, AS_HELP_STRING([--disable-xtrans-send-fds], [Use Xtrans support for fd passing (default: auto)]), [XTRANS_SEND_FDS=$enableval], [XTRANS_SEND_FDS=auto])
case "x$XTRANS_SEND_FDS" in

3
include/dix-config.h.in
View File

@ -466,4 +466,7 @@
/* Wrap SIGBUS to catch MIT-SHM faults */
#undef BUSFAULT
/* Directory for shared memory temp files */
#undef SHMDIR
#endif /* _DIX_CONFIG_H_ */