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From: Peter Schorn
Subject: Building latest gpc on Intel OS X 10.5.2
Date: 15 Mar 2008, 08:01:05

Gale Paeper wrote:
> 
> On Mar 14, 2008, at 12:23 PM, Peter Schorn wrote:
> 
>> I'm trying to build the latest gpc (gpc-20070904.tar.bz2) with 
>> Adriaan's patches on a Macintosh OS X 10.5.2. with Intel.
>>
>> I configure with
>> ../gcc-4.1.2/configure --enable-languages=pascal,c 
>> --enable-threads=posix --prefix=/Developer/Pascal/gpc412
>>
>> but the "make bootstrap" fails with
>>
>> Undefined symbols:
>>   "___sysctl", referenced from:
>>       ___enable_execute_stack in _enable_execute_stack_s.o
>> ld: symbol(s) not found
>> /usr/bin/libtool: internal link edit command failed
>> make[3]: *** [libgcc_s.dylib] Error 1
>> make[2]: *** [libgcc.a] Error 2
>> make[1]: *** [stage1_build] Error 2
>> make: *** [bootstrap] Error 2
>>
>> What am I missing?
> 
> I think you're missing the trampoline patch.  I'm not sure what avenue I 
> got it from Adriaan, but below is the trampoline patch that Adriaan and 
> I ended up using in our attempts to get a gcc-4.1.2 based gpc-20070904  
> Mac OS X compiler built.  Note: Last time I checked there's no fix for 
> the back-end bug affecting the usability for production work for the Mac 
> OS X gcc-4.1.2 based gpc-20070904 GPC build.

Actually I had installed the patch Gale mentioned and actually there is 
a problem. For some reason under 10.5.2 the symbol __sysctl is not found 
but sysctl works. I therefore replaced __sysctl by sysctl in the patch 
and the build now proceeds to a new kind of problem:

...

../.././xgpc -B../.././ -L../..  -I../rts --automake 
--executable-file-name -W -Wall -Wmissing-prototypes 
-Wmissing-declarations -g -DENABLE_CHECKING -DENABLE_ASSERT_CHECKING 
--executable-path=. 
--unit-path=/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/rts 
--unit-path=/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/units 
"/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/utils/binobj.pas"
can't find atom for N_GSYM stabs Gpc_input:G(0,2) in ../../libgpc.a(files.o)
can't find atom for N_GSYM stabs Gpc_output:G(0,2) in 
../../libgpc.a(files.o)

... more "can't find atom ..."
...

../.././xgpc -B../.././ -L../..  -I../rts --automake 
--executable-file-name -W -Wall -Wmissing-prototypes 
-Wmissing-declarations -g -DENABLE_CHECKING -DENABLE_ASSERT_CHECKING 
--executable-path=. 
--unit-path=/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/rts 
--unit-path=/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/units -I. 
-I "/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p" 
"/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/utils/gpidump.pas"
/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/utils/gpidump.pas: In 
procedure `Flags':
/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/utils/gpidump.pas:439: 
error: undeclared identifier `FUNCTION_TYPE' (first use in this routine)

... more syntax errors

/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/utils/gpidump.pas: In 
procedure `ProcessFile':
/Users/peterschorn/projects/gpc4/gcc-4.1.2/gcc/p/utils/gpidump.pas:1315: 
error: syntax error before `Close'
make[3]: *** [gpidump] Error 1
make[2]: *** [pascal.utils] Error 2
make[1]: *** [stage1_build] Error 2
make: *** [bootstrap] Error 2


Any ideas what could be the problem?


Peter Schorn
---
peter.schorn@acm.org

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