Re: Fix build-failure of gdb in python.c

[Joel Brobecker <brobecker@adacore.com>]

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> in file python/python.c is the method throw_error with constant 
> UNSUPPORTED_ERROR used, but the header exceptions.h isn't included, so I 
> get a build failure. I am not sure if this happens for other targets, too. 
> The attached patch fixes this by adding the necessary include.

Outch, sorry. My mistake. I had seen that exceptions.h might be needed
if !HAVE_PYTHON, but was lazy and only did a visual check.  I should
have attempted a build --without-python.

> 2010-01-18  Kai Tietz  <kai.tietz@onevision.com>
> 
>         * python/python.c: Add include of exception.h header.

Unfortunately, this is not the right fix.  2 things:
  - The needed include was conditionalized on HAVE_PYTHON, so the
    right fix was simply to move the #include out of the conditionalized
    section;
  - the right include is "exceptions.h", not "../exceptions.h".
    Sources in python/ are compiled from the gdb/ subdirectory.

I have applied the following patch to fix the problem.

2010-01-18  Joel Brobecker  <brobecker@adacore.com>

        Fix build failure when building without Python support.
        * python/python.c: Always include exceptions.h, even when HAVE_PYTHON
        is not defined.

Tested by rebuilding GDB --with-python and --without-python.

-- 
Joel

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Index: python/python.c
===================================================================
RCS file: /cvs/src/src/gdb/python/python.c,v
retrieving revision 1.24
diff -u -p -r1.24 python.c
--- python/python.c	18 Jan 2010 06:25:22 -0000	1.24
+++ python/python.c	18 Jan 2010 10:50:11 -0000
@@ -27,6 +27,7 @@
 #include "observer.h"
 #include "value.h"
 #include "language.h"
+#include "exceptions.h"
 
 #include <ctype.h>
 
@@ -45,7 +46,6 @@ static int gdbpy_auto_load = 1;
 #include "cli/cli-decode.h"
 #include "charset.h"
 #include "top.h"
-#include "exceptions.h"
 #include "python-internal.h"
 #include "version.h"
 #include "target.h"