GNU shell utilities

[gnulib.git] / lib / posixtm.y

diff --git a/lib/posixtm.y b/lib/posixtm.y
index bb5b40e..2fef9f0 100644 (file)
--- a/lib/posixtm.y
+++ b/lib/posixtm.y
@@ -17,23 +17,52 @@
 
 /* Written by Jim Kingdon and David MacKenzie. */
 %{
+
+#ifdef HAVE_CONFIG_H
+#if defined (CONFIG_BROKETS)
+/* We use <config.h> instead of "config.h" so that a compilation
+   using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
+   (which it would do because it found this file in $srcdir).  */
+#include <config.h>
+#else
+#include "config.h"
+#endif
+#endif
+
+/* The following block of alloca-related preprocessor directives is here
+   solely to allow compilation by non GNU-C compilers of the C parser
+   produced from this file by old versions of bison.  Newer versions of
+   bison include a block similar to this one in bison.simple.  */
+   
 #ifdef __GNUC__
 #define alloca __builtin_alloca
 #else
-#ifdef sparc
+#ifdef HAVE_ALLOCA_H
 #include <alloca.h>
 #else
 #ifdef _AIX
  #pragma alloca
 #else
-char *alloca ();
+void *alloca ();
 #endif
 #endif
 #endif
 
 #include <stdio.h>
 #include <sys/types.h>
+
+#ifdef TM_IN_SYS_TIME
+#include <sys/time.h>
+#else
 #include <time.h>
+#endif
+
+/* Some old versions of bison generate parsers that use bcopy.
+   That loses on systems that don't provide the function, so we have
+   to redefine it here.  */
+#if !defined (HAVE_BCOPY) && defined (HAVE_MEMCPY) && !defined (bcopy)
+#define bcopy(from, to, len) memcpy ((to), (from), (len))
+#endif
 
 #define YYDEBUG 1