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From: Frank Heckenbach
Subject: Re3: Building GPC with GCC-3.2.1 on
Date: 3 Jan 2003, 09:51:05

Adriaan van Os wrote:

> > The most recent Apple version of GCC that I can find on the web
> > (http://www.opendarwin.org/en/news.php#20) is "gcc3-1205 Darwin". 
> > Installing and using it doesn't change reported problems. Yet, I can 
> > use it to build a new GCC from the standard GCC-3.2.1 sources. This 
> > gives me a GCC-3.2.1 that  installs and runs on Darwin. If I use this 
> > new GCC (3.2.1) to build GPC 20021128, there are no building problems: 
> > reported problems 1 to 4 have disappeared !

I don't quite understand. With the downloaded GCC, you are able to
build gcc-3.2.1, but building GPC with gcc-3.2.1 sources fails. But
the problems (#1, 2 and 3) are related to parts of the GCC sources
that are unchanged by GPC. So compiling the same sources once works
and once fails!? I must be missing something ...

> > Unfortunately, the linking
> > problem is still the same:
> >
> > [G4:doc/gpc/demos] adriaan% gpc hello.pas
> > /usr/bin/ld: 
> > /usr/lib/gcc-lib/powerpc-apple-darwin6.0/3.2.1/libgpc.a(init.o) 
> > malformed object (bad indirect symbol table entry (76) (symbol at 
> > index 241 is not external)
>
> [...]
>
> When I look in gpclib.a (with otool), I find the following entries for 
> these indices. They all read:
> 
> "Indirect symbols for (__DATA,__nl_symbol_ptr) ... entries"
> address    index name
> 0x00001b88   241 _fini_GPC_Init
> 0x00006624   972 _fini_GPC_Error
> 0x00001fa0   435 _fini_GPC_Getopt
> 0x00002424  1251 _fini_GPC_String
> 0x000018e0   570 _fini_GPC_String2
> 0x0000095c   235 _fini_GPC_Heap
> 0x00001520   431 _fini_GPC_Files
> 0x000005c8   178 _fini_GPC_Endian
> 0x000081c8  2390 _fini_GPC_Filename
> 0x00001078   385 _fini_GPC_Math
> 0x00000260    96 _fini_GPC_Move
> 0x000008e8   281 _fini_GPC_Numtodec
> 0x00000ce0   251 _fini_GPC_Random
> 0x000001b4    77 _fini_GPC_Rtsc
> 0x0000115c   774 _fini_GPC_Sets
> 0x00004828   933 _fini_GPC_Time
> 
> I hope this additional information is useful in finding the cause of 
> the linking problem.

Try this (patch may need manual applying, since I've changed some
other things in my copy meanwhile).

*** p/parse.y.orig	Fri Jan  3 09:44:04 2003
--- p/parse.y	Fri Jan  3 09:49:25 2003
***************
*** 792,799 ****
          tree name = get_module_destructor_name (current_module);
          const char *save_filename = start_dummy_file_name ();
          context = build_nt (CALL_EXPR, name, no_parameters (), NULL_TREE);
!         if (!start_function (chainon (build_tree_list (NULL_TREE, static_id),
!                                       build_tree_list (NULL_TREE, void_type_node)),
                               context, NULL_TREE, 0))
            YYERROR1;
          store_parm_decls ();
--- 792,798 ----
          tree name = get_module_destructor_name (current_module);
          const char *save_filename = start_dummy_file_name ();
          context = build_nt (CALL_EXPR, name, no_parameters (), NULL_TREE);
!         if (!start_function (build_tree_list (NULL_TREE, void_type_node),
                               context, NULL_TREE, 0))
            YYERROR1;
          store_parm_decls ();

Frank

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