X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=libsysio%2Fconfigure.in;h=5ce600fbeb4bc0f42b4476e8ed4d39a20384ada1;hp=4fcd3c0503e2d0f6319e8bdbb91a11c1614d8bed;hb=1932a135cf8cedcea2d0f2d5be21edd7fe306251;hpb=031dc14d8465663c81ddf5bef346a52750b28510

diff --git a/libsysio/configure.in b/libsysio/configure.in
index 4fcd3c0..5ce600f 100644
--- a/libsysio/configure.in
+++ b/libsysio/configure.in
@@ -360,6 +360,51 @@ if test x$have_st_gen = xyes; then
 	AC_DEFINE(HAVE_GENERATION)
 fi
 
+AC_MSG_CHECKING(for POSIX 2008 preadv)
+tmp_flags="$CFLAGS"
+CFLAGS="$CFLAGS -Wall -Werror"
+AC_TRY_COMPILE([
+#include <sys/uio.h>
+ssize_t preadv (int __fd, const struct iovec *__iovec,
+                int __count, off_t off)
+{
+    return 0;
+}
+],[
+],[
+AC_DEFINE(HAVE_POSIX2008_PREADV, 1, [POSIX 2008 preadv])
+AC_MSG_RESULT(yes)
+],[
+AC_MSG_RESULT(no)
+])
+CFLAGS="$tmp_flags"
+
+AC_MSG_CHECKING(for POSIX 2008 scandir)
+tmp_flags="$CFLAGS"
+CFLAGS="$CFLAGS -Wall -Werror"
+AC_TRY_COMPILE([
+#define _BSD_SOURCE
+
+#include <stdio.h>
+#include <dirent.h>
+
+int scandir(const char *dir,
+	 struct dirent ***namelist,
+	 int(*filter)(const struct dirent *),
+	 int(*compar)(const struct dirent **,
+	              const struct dirent **)
+	);
+
+],[
+], [
+AC_DEFINE(HAVE_POSIX2008_SCANDIR, 1, [POSIX 2008 scandir])
+AC_MSG_RESULT(yes) 
+],[
+AC_MSG_RESULT(no)
+])
+CFLAGS="$tmp_flags"
+
+
 AC_MSG_CHECKING(whether .text pseudo-op must be used)
 AC_CACHE_VAL(am_cv_sysio_asm_dot_text, [dnl
 cat > conftest.s <<EOF