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From: "Cristiano" <cristiano DOT pi AT NSquipo DOT it>
Newsgroups: comp.os.msdos.djgpp
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Subject: Re: Reading the TSC
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Date: 17 Jan 2006 20:59:40 +0100
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Rod Pemberton wrote:
> "Cristiano" <cristiano DOT pi AT NSquipo DOT it> wrote in message
> news:43cc286a_1 AT x-privat DOT org...
>> Rod Pemberton wrote:
>>> "Cristiano" <cristiano DOT pi AT NSquipo DOT it> wrote in message
>>> news:43cc161e_3 AT x-privat DOT org...
>>>> DJ Delorie wrote:
>>>>> Try -march=486
>>>>
>>>> I get: Invalid option 'arch=486'. :-(
>>>>
>>>> Cristiano
>>>
>>> -march=i486
>>
>> I downloaded a more updated version from here:
>> http://www.delorie.com/djgpp/dl/ofc/
>> but now I get: unrecognized option '--traditional-format'.
>>
>> Is it really impossible to compile that 4-line program?
>>
>> Cristiano
>
> Yes, if DJGPP is setup properly, it should compile easily.
> If I call the file 'tst.c':
>
> gcc -o tst.exe tst.c

With that line I get:
C:/djgpp/tmp\cccaaaaa: Assembler messages:
C:/djgpp/tmp\cccaaaaa:26: Error: no such 386 instruction. 'rdtsc'
(notice the forward and back slashes).

> It shouldn't need '-march=i486' or '-mcpu=i486' ...

With
gcc -o tst.exe tst.c -mcpu=i486
I get:
cc1.exe: Invalid option 'cpu=i486'.

> Are the settings in DJGPP.ENV setup properly?

I don't understand anything in that file (the syntax is very "strange" to 
me), but it is the original file.
There are many '>' like in:
DJDIR=%:/>DJGPP%
is that correct?

> How about the DOS
> variable 'DJGPP'?  There should be a 'SET DJGPP=C:\DJGPP\DJGPP.ENV'
> or similar in your autoexec.bat.  Do your DOS paths point to
> C:\DJGPP\BIN or similar?

They are both defined in the autoexec.bat, but DJGPP is defined with the '/' 
insted of '\' (as you wrote).

Thank you for the help
Cristiano