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From: Frank Heckenbach
Subject: problems compiling gpc-20021128
Date: 22 Jan 2003, 16:06:54

Richard D. Jackson wrote:

> I'm having some issues in getting gpc compiled following the directions
> at http://www.gnu-pascal.de/gpc_42.html#SEC42
> 
> Here is what I have done and the results I'm getting.
> 
> 1st attempt 
> used gcc-core-3.2.1.tar.gz & gpc-20021128.tar.gz

The gcc-3 based GPC does not yet work with "dwarf2" debug info
(which is the default on many platforms). Therefore you'll have to
add `-g0' (no debug info at all) or `-gstabs' (which works on many
systems). When testing, add it in EXTRA_TEST_PFLAGS on the make
command line.

> When I ran configure on this one I had one gpc patch fail to apply.
> It was the bug url patch as the above gentoo patch had changed the url
> to a gentoo url verses the gnu url so I fixed the gpc patch to reflect
> the change and got a clean gpc patch.

The same was reported with a GCC for Mac OS X patched by Apple.

I think it should work directly if we change our diff to:

*** gcc/system.h.orig	Fri Oct 25 15:11:09 2002
--- gcc/system.h	Mon Nov 25 15:30:37 2002
***************
*** 30,31 ****
--- 30,36 ----
  
+ #ifdef GPC
+ #undef GCCBUGURL
+ #define GCCBUGURL "<URL:http://www.gnu-pascal.de/todo.html>"
+ #endif
+ 
  /* We must include stdarg.h/varargs.h before stdio.h.  */

> Now on to running make.
> 
> When Make ran I got this error which I have been unable to track down as
> from what I can see it looks OK. 
> 
> In file included from
> /var/tmp/portage/gcc-3.2.1-r6/work/gcc-3.2.1/gcc/p/gpc-common.c:27:
> /var/tmp/portage/gcc-3.2.1-r6/work/gcc-3.2.1/gcc/p/gpc.h:667:
> conflicting types for `global_trees'
> /var/tmp/portage/gcc-3.2.1-r6/work/gcc-3.2.1/gcc/tree.h:1956: previous
> declaration of `global_trees'
> make[1]: *** [p/gpc-common.o] Error 1

We're aware of this problem (when using post-3.2.1 GCC's). It will
be fixed in the next GPC alpha. If you want to try it now, just
remove the following two lines:

gpc.h:
extern tree size_type_node;

gpc-decl.c:
tree size_type_node;

Frank

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