diff options
| author | gray@gnu.org <Sergey Poznyakoff> | 2021-06-25 17:30:55 +0000 |
|---|---|---|
| committer | Sergey Poznyakoff <gray@gnu.org> | 2021-07-17 22:56:25 +0300 |
| commit | bdeab7e9b711126ac04b53a058e850a84bff9463 (patch) | |
| tree | 7987179ee0529bee24b7ba09d633b216063283e5 /configure.ac | |
| parent | 1967040e5a8900e0f71bfb33daac9ef363ffbe5d (diff) | |
| download | gdbm-bdeab7e9b711126ac04b53a058e850a84bff9463.tar.gz gdbm-bdeab7e9b711126ac04b53a058e850a84bff9463.tar.bz2 | |
Crash-tolerance based on the patch from Terence Kelly
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 8e4e1de..23302c5 100644 --- a/configure.ac +++ b/configure.ac @@ -16,6 +16,7 @@ m4_define([_GDBM_VERSION_MAJOR], 1) m4_define([_GDBM_VERSION_MINOR], 20) +m4_define([_GDBM_VERSION_PATCH], 90) AC_INIT([gdbm], _GDBM_VERSION_MAJOR._GDBM_VERSION_MINOR[]m4_ifdef([_GDBM_VERSION_PATCH],._GDBM_VERSION_PATCH), @@ -160,6 +161,30 @@ fi AM_CONDITIONAL([GDBM_COND_READLINE], [test "$status_readline" = "yes"]) +# CoW crash tolerance support +AC_ARG_ENABLE([crash-tolerance], + AC_HELP_STRING( + [--enable-crash-tolerance], + [Enable crash tolerance, based on clone/copy-on-write (needs support for FICLONE)]), + [status_ficlone=$enableval], + [status_ficlone=probe]) + +if test $status_ficlone = probe; then + AC_CHECK_HEADER([linux/fs.h], + [AC_MSG_CHECKING([for FICLONE ioctl support]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([ + #include <linux/fs.h> + #include <sys/ioctl.h>], + [ioctl(0, FICLONE, 1);])], + [status_ficlone=yes], + [status_ficlone=no]) + AC_MSG_RESULT($status_ficlone)], + [status_ficlone=no]) +fi +if test $status_ficlone = yes; then + AC_DEFINE([GDBM_FAILURE_ATOMIC], 1, [Define if support for atomic failures is enabled]) +fi + # Additional debugging AC_ARG_ENABLE([debug], AC_HELP_STRING([--enable-debug], @@ -205,6 +230,7 @@ Compatibility library ......................... $status_compat Memory mapped I/O ............................. $mapped_io GNU Readline .................................. $status_readline Debugging support ............................. $status_debug +Reflink crash tolerance ....................... $status_ficlone ******************************************************************* EOF @@ -223,7 +249,8 @@ fi mapped_io=$mapped_io status_readline=$status_readline status_debug=$status_debug -want_gdbmtool_debug=$want_gdbmtool_debug]) +want_gdbmtool_debug=$want_gdbmtool_debug +status_ficlone=$status_ficlone]) AC_CONFIG_FILES([Makefile src/Makefile |