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 <kei...@keithp.com> --- configure.ac | 43 +++++++++++++++++++++++++++++++++++++++++++ include/dix-config.h.in | 3 +++ 2 files changed, 46 insertions(+) diff --git a/configure.ac b/configure.ac index eb90b1a..70f4af3 100644 --- a/configure.ac +++ b/configure.ac @@ -1092,6 +1092,49 @@ 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 diff --git a/include/dix-config.h.in b/include/dix-config.h.in index d4fbe99..3066100 100644 --- a/include/dix-config.h.in +++ b/include/dix-config.h.in @@ -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_ */ -- 1.8.4.2 _______________________________________________ xorg-devel@lists.x.org: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
