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From: George McCollister <george.mccollister@gmail.com>
Date: Thu, 2 Dec 2010 09:31:38 -0600
Subject: [PATCH] check if splice() takes 6 arguments
checking for the presence of splice() isn't sufficient. Older
implimentations only accept 4 arguments while this version of glib
assumes that it takes 6.
Signed-off-by: George McCollister <george.mccollister@gmail.com>
[mol: configure.in -> configure.ac]
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
---
configure.ac | 17 ++++++++++++++++-
1 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/configure.ac b/configure.ac
index ea73394..b86a785 100644
--- a/configure.ac
+++ b/configure.ac
@@ -956,7 +956,22 @@ AC_CHECK_FUNCS(chown lchmod lchown fchmod fchown link statvfs statfs utimes getg
AC_CHECK_FUNCS(getmntent_r setmntent endmntent hasmntopt getmntinfo)
# Check for high-resolution sleep functions
AC_CHECK_FUNCS(nanosleep nsleep)
-AC_CHECK_FUNCS(splice)
+
+AC_CACHE_CHECK([for splice()],
+ [ac_cv_func_splice],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM([[
+#define _GNU_SOURCE
+#include <stdlib.h>
+#include <fcntl.h>
+ ]],[[
+ splice(0, NULL, 0, NULL, (size_t)0, (unsigned int)0);
+ ]])],
+ [ac_cv_func_splice=yes],
+ [ac_cv_func_splice=no])])
+
+AS_IF([test "x$ac_cv_func_splice" = "xyes"],[
+ AC_DEFINE([HAVE_SPLICE],[1],[If we have splice])
+])
AC_CHECK_HEADERS(crt_externs.h)
AC_CHECK_FUNCS(_NSGetEnviron)
--
1.7.2.3
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