man.c (find_man_formatter): Don't cast getenv(), but provide a minimal declaration at top level.

        * info/man.c (find_man_formatter): Don't cast getenv(), but provide
        a minimal declaration at top level.

        * makeinfo/makeinfo.c: Don't redefine alloca if it is already defined.

From-SVN: r15910

texinfo/ChangeLog

+Wed Oct 15 09:49:57 1997  Richard Henderson  <rth@cygnus.com>
+
+	* info/man.c (find_man_formatter): Don't cast getenv(), but provide
+	a minimal declaration at top level.
+
+	* makeinfo/makeinfo.c: Don't redefine alloca if it is already defined.
+
 Tue Oct  7 16:27:34 1997  Manfred Hollstein  <manfred@s-direktnet.de>
 
 	* aclocal.m4: Substitute INSTALL.

texinfo/info/man.c

@@ -51,6 +51,8 @@
 #  endif /* !hpux */
 #endif /* FD_SET */
 
+extern char *getenv ();
+
 static char *read_from_fd ();
 static void clean_manpage ();
 static NODE *manpage_node_of_file_buffer ();
@@ -180,7 +182,7 @@ executable_file_in_path (filename, path)
 static char *
 find_man_formatter ()
 {
-  return (executable_file_in_path ("man", (char *)getenv ("PATH")));
+  return (executable_file_in_path ("man", getenv ("PATH")));
 }
 
 static char *manpage_pagename = (char *)NULL;

texinfo/makeinfo/makeinfo.c

 /* Makeinfo -- convert texinfo format files into info files.
-   $Id: makeinfo.c,v 1.1.1.1 1997/08/21 22:58:07 jason Exp $
+   $Id: makeinfo.c,v 1.2 1997/09/03 04:25:24 law Exp $
 
    Copyright (C) 1987, 92, 93, 94, 95, 96 Free Software Foundation, Inc.
 
@@ -105,6 +105,7 @@ int minor_version = 67;
 #include <sys/file.h>
 #endif /* HAVE_SYS_FILE_H */
 
+#if !defined(alloca)
 #if defined (__GNUC__)
 #define alloca __builtin_alloca
 #else
@@ -116,6 +117,7 @@ extern char *alloca ();
 #endif /* !_AIX */
 #endif /* !HAVE_ALLOCA_H */
 #endif /* !__GNUC__ */
+#endif /* alloca */
 
 void *xmalloc (), *xrealloc ();
 #if defined (__osf__)