Merged in autoconf branch. This provides configuration via the autoconf

system.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7014 91177308-0d34-0410-b5e6-96231b3b80d8

include/Config/sys/mman.h

@@ -0,0 +1,24 @@
+/*
+ * Header file: mman.h
+ *
+ * Description:
+ *	This header file includes the headers needed for the mmap() system/
+ *	function call.  It also defines some macros so that all of our calls
+ *	to mmap() can act (more or less) the same, regardless of platform.
+ */
+
+#ifndef _CONFIG_MMAN_H
+#define _CONFIG_MMAN_H
+
+#include "Config/config.h"
+
+#ifdef HAVE_SYS_MMAN_H
+#include <sys/mman.h>
+#endif
+
+#ifndef HAVE_MMAP_ANONYMOUS
+#define MAP_ANONYMOUS MAP_ANON
+#endif
+
+#endif
+

include/Config/sys/resource.h

@@ -0,0 +1,33 @@
+/*
+ * Header file: resource.h
+ *
+ * Description:
+ *	This header file is the autoconf replacement for sys/resource.h (if it
+ *	lives on the system).
+ */
+
+#ifndef _CONFIG_SYS_RESOURCE_H
+#define _CONFIG_SYS_RESOURCE_H
+
+#include "Config/config.h"
+
+#ifdef HAVE_SYS_RESOURCE_H
+
+/*
+ * In LLVM, we use sys/resource.h to use getrusage() and maybe some other
+ * stuff.  Some man pages say that you also need sys/time.h and unistd.h.
+ * So, to be paranoid, we will try to include all three if possible.
+ */
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#include <sys/resource.h>
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+
+#endif
+
+#endif

include/Config/sys/stat.h

@@ -0,0 +1,19 @@
+/*
+ * Header file: stat.h
+ *
+ * Description:
+ *	This header file includes the headers needed for the stat() system
+ *	call.
+ */
+
+#ifndef _CONFIG_SYS_STAT_H
+#define _CONFIG_SYS_STAT_H
+
+#include "Config/config.h"
+
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+
+#endif
+

include/Config/sys/time.h

@@ -0,0 +1,18 @@
+/*
+ * Header file: time.h
+ *
+ * Description:
+ *	This header file is the autoconf replacement for sys/time.h (if it
+ *	lives on the system).
+ */
+
+#ifndef _CONFIG_SYS_TIME_H
+#define _CONFIG_SYS_TIME_H
+
+#include "Config/config.h"
+
+#ifdef HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+
+#endif

include/Config/sys/types.h

@@ -0,0 +1,19 @@
+/*
+ * Header file: types.h
+ *
+ * Description:
+ *	This header file is the autoconf substitute for sys/types.h.  It
+ *	includes it for us if it exists on this system.
+ */
+
+#ifndef _CONFIG_SYS_TYPES_H
+#define _CONFIG_SYS_TYPES_H
+
+#include "Config/config.h"
+
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#endif
+

include/Config/sys/wait.h

@@ -0,0 +1,19 @@
+/*
+ * Header file: wait.h
+ *
+ * Description:
+ *	This header file includes the headers needed for the wait() system
+ *	call.
+ */
+
+#ifndef _CONFIG_SYS_WAIT_H
+#define _CONFIG_SYS_WAIT_H
+
+#include "Config/config.h"
+
+#ifdef HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
+#endif
+