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-rw-r--r--libf2c/libU77/configure.in6
1 files changed, 3 insertions, 3 deletions
diff --git a/libf2c/libU77/configure.in b/libf2c/libU77/configure.in
index b0e0aed6bf0..a56fc4cd311 100644
--- a/libf2c/libU77/configure.in
+++ b/libf2c/libU77/configure.in
@@ -32,16 +32,16 @@ define([AC_PROG_CC_WORKS],[])
AC_PROG_CC
# These defines are necessary to get 64-bit file size support.
-# NetBSD 1.4 header files does not support XOPEN_SOURCE == 500, but it
+# NetBSD 1.4 header files does not support XOPEN_SOURCE == 600, but it
# handles 64-bit file sizes without needing these defines.
AC_MSG_CHECKING(whether _XOPEN_SOURCE may be defined)
-AC_TRY_COMPILE([#define _XOPEN_SOURCE 500L
+AC_TRY_COMPILE([#define _XOPEN_SOURCE 600L
#include <unistd.h>],,
may_use_xopen_source=yes,
may_use_xopen_source=no)
AC_MSG_RESULT($may_use_xopen_source)
if test $may_use_xopen_source = yes; then
- AC_DEFINE(_XOPEN_SOURCE, 500L, [Get Single Unix Specification semantics])
+ AC_DEFINE(_XOPEN_SOURCE, 600L, [Get Single Unix Specification semantics])
# The following is needed by irix6.2 so that struct timeval is declared.
AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, [Get Single Unix Specification semantics])
# The following is needed by Solaris2.5.1 so that struct timeval is declared.