diff options
Diffstat (limited to 'm4/package_libcdev.m4')
| -rw-r--r-- | m4/package_libcdev.m4 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/m4/package_libcdev.m4 b/m4/package_libcdev.m4 index 7f73104405..0f4b8063f3 100644 --- a/m4/package_libcdev.m4 +++ b/m4/package_libcdev.m4 @@ -174,3 +174,16 @@ AC_DEFUN([AC_HAVE_FIEXCHANGE], AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)]) AC_SUBST(have_fiexchange) ]) + +# Check if we have FICLONE +AC_DEFUN([AC_HAVE_FICLONE], + [ AC_MSG_CHECKING([for FICLONE]) + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ +#include <sys/ioctl.h> +#include <linux/fs.h> + ]], [[ + ioctl(-1, FICLONE, -1); + ]])],[have_ficlone=yes + AC_MSG_RESULT(yes)],[AC_MSG_RESULT(no)]) + AC_SUBST(have_ficlone) + ]) |