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implementations of dup3 and fallocate that are good enough to fool LTP
[qemu]
/
configure
diff --git
a/configure
b/configure
index
d752009
..
ecc9b15
100755
(executable)
--- a/
configure
+++ b/
configure
@@
-1528,6
+1528,36
@@
if compile_prog "" "" ; then
eventfd=yes
fi
eventfd=yes
fi
+# check for fallocate
+fallocate=no
+cat > $TMPC << EOF
+#include <fcntl.h>
+
+int main(void)
+{
+ fallocate(0, 0, 0, 0);
+ return 0;
+}
+EOF
+if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
+ fallocate=yes
+fi
+
+# check for dup3
+dup3=no
+cat > $TMPC << EOF
+#include <unistd.h>
+
+int main(void)
+{
+ dup3(0, 0, 0);
+ return 0;
+}
+EOF
+if $cc $ARCH_CFLAGS -o $TMPE $TMPC 2> /dev/null ; then
+ dup3=yes
+fi
+
# Check if tools are available to build documentation.
if test "$docs" != "no" ; then
if test -x "`which texi2html 2>/dev/null`" -a \
# Check if tools are available to build documentation.
if test "$docs" != "no" ; then
if test -x "`which texi2html 2>/dev/null`" -a \
@@
-1884,6
+1914,12
@@
fi
if test "$eventfd" = "yes" ; then
echo "CONFIG_EVENTFD=y" >> $config_host_mak
fi
if test "$eventfd" = "yes" ; then
echo "CONFIG_EVENTFD=y" >> $config_host_mak
fi
+if test "$fallocate" = "yes" ; then
+ echo "CONFIG_FALLOCATE=y" >> $config_host_mak
+fi
+if test "$dup3" = "yes" ; then
+ echo "CONFIG_DUP3=y" >> $config_host_mak
+fi
if test "$inotify" = "yes" ; then
echo "CONFIG_INOTIFY=y" >> $config_host_mak
fi
if test "$inotify" = "yes" ; then
echo "CONFIG_INOTIFY=y" >> $config_host_mak
fi