configure.ac: memshr_create: Detect and use from <sys/mman.h>

[elogind.git] / src / basic / missing.h

diff --git a/src/basic/missing.h b/src/basic/missing.h
index 5c51fe25027a220902031563d694cfda4ba1bf61..e8508e7705d4e2de19d1643d7a3f7abfff777402 100644 (file)
--- a/src/basic/missing.h
+++ b/src/basic/missing.h
@@ -55,7 +55,10 @@
 #include <linux/btrfs.h>
 #endif
 
-#if 0 /// UNNEEDED by elogind
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
 #ifdef HAVE_LINUX_VM_SOCKETS_H
 #include <linux/vm_sockets.h>
 #else
@@ -72,7 +75,6 @@ struct sockaddr_vm {
                                sizeof(unsigned int)];
 };
 #endif /* !HAVE_LINUX_VM_SOCKETS_H */
-#endif // 0
 
 #ifndef RLIMIT_RTTIME
 #define RLIMIT_RTTIME 15