Modified the configure file so that, during configuration, a check
is performed to determine if the system call pwritev is supported
by the host. The check for preadv support already exists.
Signed-off-by: Dejan Jovicevic <dejan.jovice...@rt-rk.com>
---
configure | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/configure b/configure
index 5751d8e..f834ac8 100755
--- a/configure
+++ b/configure
@@ -3318,6 +3318,19 @@ if compile_prog "" "" ; then
fi
##########################################
+# pwritev probe
+cat > $TMPC <<EOF
+#include <sys/types.h>
+#include <sys/uio.h>
+#include <unistd.h>
+int main(void) { return pwritev(0, 0, 0, 0); }
+EOF
+pwritev=no
+if compile_prog "" "" ; then
+ pwritev=yes
+fi
+
+##########################################
# fdt probe
# fdt support is mandatory for at least some target architectures,
# so insist on it if we're building those system emulators.
@@ -4902,6 +4915,7 @@ echo "RDMA support $rdma"
echo "TCG interpreter $tcg_interpreter"
echo "fdt support $fdt"
echo "preadv support $preadv"
+echo "pwritev support $pwritev"
echo "fdatasync $fdatasync"
echo "madvise $madvise"
echo "posix_madvise $posix_madvise"
@@ -5299,6 +5313,9 @@ fi
if test "$preadv" = "yes" ; then
echo "CONFIG_PREADV=y" >> $config_host_mak
fi
+if test "$pwritev" = "yes" ; then
+ echo "CONFIG_PWRITEV=y" >> $config_host_mak
+fi
if test "$fdt" = "yes" ; then
echo "CONFIG_FDT=y" >> $config_host_mak
fi
--
1.9.1
