From a8fd1aba8584cbe68583907ce766fd8ecfe81f4b Mon Sep 17 00:00:00 2001
From: Peter Maydell <peter.maydell@linaro.org>
Date: Fri, 8 Feb 2013 07:31:55 +0000
Subject: linux-user: Implement sendfile and sendfile64

Implement the sendfile and sendfile64 syscalls. This implementation
passes all the LTP test cases for these syscalls.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
---
 configure | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'configure')

diff --git a/configure b/configure
index 84317c6826..a416e23597 100755
--- a/configure
+++ b/configure
@@ -2760,6 +2760,20 @@ if compile_prog "" "" ; then
   epoll_pwait=yes
 fi
 
+# check for sendfile support
+sendfile=no
+cat > $TMPC << EOF
+#include <sys/sendfile.h>
+
+int main(void)
+{
+    return sendfile(0, 0, 0, 0);
+}
+EOF
+if compile_prog "" "" ; then
+  sendfile=yes
+fi
+
 # Check if tools are available to build documentation.
 if test "$docs" != "no" ; then
   if has makeinfo && has pod2man; then
@@ -3628,6 +3642,9 @@ fi
 if test "$epoll_pwait" = "yes" ; then
   echo "CONFIG_EPOLL_PWAIT=y" >> $config_host_mak
 fi
+if test "$sendfile" = "yes" ; then
+  echo "CONFIG_SENDFILE=y" >> $config_host_mak
+fi
 if test "$inotify" = "yes" ; then
   echo "CONFIG_INOTIFY=y" >> $config_host_mak
 fi
-- 
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