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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: 18 Jan 2006 00:37:50 +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:43cd4cac$1_2 AT x-privat DOT org...
>> 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
>
> That is correct for DJDIR.
> Ignore the rest of DJGPP.ENV.
> Try changing to '\' backslashes.

Doesn't work.

> If you still can't get it to compile, what are the results of:
>
> gcc -v

2.7.2 (!) O_O.

Now I installed the new version and I get:
Reading specs from c:/djgpp/lib/gcc-lib/djgpp/3.23/specs
Configured with: /devel/gnu/gcc/3.2/gnu/gcc-3.23/configure 
i586-pc-msdosdjgpp --
prefix=/dev/env/DJDIR --disable-nls
Thread model: single
gcc version 3.2.3

but with this version I get the error:
c:/djgpp/bin/as.exe: unrecognized option `--traditional-format'

Cristiano