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Diffstat (limited to 'source3/configure.in')
| -rw-r--r-- | source3/configure.in | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/source3/configure.in b/source3/configure.in index 803425a66a..7eb1b78a01 100644 --- a/source3/configure.in +++ b/source3/configure.in @@ -5649,6 +5649,25 @@ samba_cv_HAVE_SENDFILE=yes,samba_cv_HAVE_SENDFILE=no)]) AC_MSG_RESULT(yes) ) +############################################ +# See if we have the Linux readahead syscall. + +AC_CACHE_CHECK([for Linux readahead], + samba_cv_HAVE_LINUX_READAHEAD,[ + AC_TRY_LINK([ +#if defined(HAVE_UNISTD_H) +#include <unistd.h> +#endif +#include <fcntl.h>], + [ssize_t err = readahead(0,0,0x80000);], + samba_cv_HAVE_LINUX_READAHEAD=yes, + samba_cv_HAVE_LINUX_READAHEAD=no)]) + +if test x"$samba_cv_HAVE_LINUX_READAHEAD" = x"yes"; then + AC_DEFINE(HAVE_LINUX_READAHEAD,1, + [Whether Linux readahead is available]) +fi + ################################################# # Check whether winbind is supported on this platform. If so we need to |