From: Marc-André Lureau <marcandre.lur...@redhat.com>
Check if memfd_create() is part of system libc.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
---
configure | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/configure b/configure
index cd219d8..3dcbd3e 100755
--- a/configure
+++ b/configure
@@ -3405,6 +3405,22 @@ if compile_prog "" "" ; then
eventfd=yes
fi
+# check if memfd is supported
+memfd=no
+cat > $TMPC << EOF
+#include <sys/memfd.h>
+
+int main(void)
+{
+ return memfd_create("foo", MFD_ALLOW_SEALING);
+}
+EOF
+if compile_prog "" "" ; then
+ memfd=yes
+fi
+
+
+
# check for fallocate
fallocate=no
cat > $TMPC << EOF
@@ -4785,6 +4801,9 @@ fi
if test "$eventfd" = "yes" ; then
echo "CONFIG_EVENTFD=y" >> $config_host_mak
fi
+if test "$memfd" = "yes" ; then
+ echo "CONFIG_MEMFD=y" >> $config_host_mak
+fi
if test "$fallocate" = "yes" ; then
echo "CONFIG_FALLOCATE=y" >> $config_host_mak
fi
--
2.4.3
