Patch for readline

[H . J . Lu]

When you configure gdb with --prefix=/usr, readline will compile with
-I/usr/include, which is very bad with gcc and cross compile. Here is
a patch.


H.J.
----
2001-07-15  H.J. Lu  (hjl@gnu.org)

	*  Makefile.in (INCLUDES): Never add -I/usr/include.

--- readline/Makefile.in.include	Sun Jul 15 11:38:10 2001
+++ readline/Makefile.in	Sun Jul 15 11:42:30 2001
@@ -63,7 +63,10 @@ LOCAL_DEFS = @LOCAL_DEFS@
 TERMCAP_LIB = @TERMCAP_LIB@
 
 # For libraries which include headers from other libraries.
-INCLUDES = -I. -I$(srcdir) -I$(includedir)
+INCLUDES = -I. -I$(srcdir) \
+  `if test "$(includedir)" != "/usr/include"; then \
+     echo -I$(includedir); \
+   else true; fi`
 
 CCFLAGS = $(DEFS) $(LOCAL_DEFS) $(CPPFLAGS) $(INCLUDES) $(LOCAL_CFLAGS) $(CFLAGS)