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authorJames Peach <jpeach@samba.org>2006-01-31 21:56:12 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:51:39 -0500
commitad01edb37bdf7e1087eb18ed903b37dbc0241af1 (patch)
treee054203b4d0852a963b5bbcb03f21fa98ef1bedc /source4/build
parentb60415745a0038dbfdca752861201fba0d942ff6 (diff)
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r13263: Check whether open(2) will accept the O_DIRECT flag. This should fix the
build on NetBSD. (This used to be commit 7354de62a7fbf3921dfcb0bd865e89bdf1ef5bcd)
Diffstat (limited to 'source4/build')
-rw-r--r--source4/build/m4/rewrite.m412
1 files changed, 12 insertions, 0 deletions
diff --git a/source4/build/m4/rewrite.m4 b/source4/build/m4/rewrite.m4
index f0279c69d0..cd39371354 100644
--- a/source4/build/m4/rewrite.m4
+++ b/source4/build/m4/rewrite.m4
@@ -496,6 +496,18 @@ fi
;;
esac
+AC_CACHE_CHECK([for O_DIRECT flag to open(2)],samba_cv_HAVE_OPEN_O_DIRECT,[
+AC_TRY_COMPILE([
+#include <unistd.h>
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif],
+[int fd = open("/dev/null", O_DIRECT);],
+samba_cv_HAVE_OPEN_O_DIRECT=yes,samba_cv_HAVE_OPEN_O_DIRECT=no)])
+if test x"$samba_cv_HAVE_OPEN_O_DIRECT" = x"yes"; then
+ AC_DEFINE(HAVE_OPEN_O_DIRECT,1,[Whether the open(2) accepts O_DIRECT])
+fi
+
###############################################
# test for where we get crypt() from
AC_CHECK_LIB_EXT(crypt, CRYPT_LIBS, crypt)