}''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
msg="Checking for kernel change notify support")
+ # Check for Linux kernel oplocks
+ conf.CHECK_CODE('''
+#include <sys/types.h>
+#include <fcntl.h>
+#include <signal.h>
+#ifndef F_NOTIFY
+#define F_NOTIFY 1026
+#endif
+main() {
+ exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ? 1 : 0);
+}''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
+ msg="Checking for Linux kernel oplocks")
+
# Look for CUPS
conf.find_program('cups-config', var='CUPS_CONFIG')
if conf.env.CUPS_CONFIG: