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Subject: Re: gcc-8.1.0 packages for testing
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From: "Andris Pavenis (andris DOT pavenis AT iki DOT fi) [via djgpp-workers AT delorie DOT com]" <djgpp-workers AT delorie DOT com>
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Date: Sun, 13 May 2018 11:09:57 +0300
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On 05/11/2018 03:54 AM, Rugxulo (rugxulo AT gmail DOT com) [via djgpp-workers AT delorie DOT com] wrote:
> Hi,
>
> On Wed, May 2, 2018 at 10:20 PM, Andris Pavenis
> (andris DOT pavenis AT iki DOT fi) [via djgpp-workers AT delorie DOT com]
> <djgpp-workers AT delorie DOT com> wrote:
>> gcc-8.1.0 packages (both DJGPP native compiler and cross-compiler RPMs) are
>> available for testing at
>>
>> http://ap1.pp.fi/djgpp/gcc/8.1.0/
>> http://ap1.pp.fi/djgpp/gcc/gcc-version-index.html
>>
>> I have not have done any additional testing except of building the compiler
>> (bootstrapping native compiler ensures that it works for building itself).
>>
>> I'll upload the same packages to ftp.delorie.com sometime later unless
>> serious enough problems found.
>>
>> Happy testing,
> Thanks again for your efforts.
>
> __DATE__ is still wrong (says 2106) but otherwise seems to work okay.
Confirmed. Booth __DATE__ and __TIME__ correspond to time_t value 0xFFFFFFFF

Only happens with native compiler not cross-compiler (only checked cross-compiler in ArchLinux).
Unfortunately gdb-7.11 "likes" to run out of memory when trying to debug cc1.exe (not immediately but
soon enough to prevent getting any useful results)

I guess I should debug cc1 under Linux to see why it works there. From the first impression it 
should not:
1) environment variable SOURCE_DATE_EPOCH not defined
2) 
https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=libcpp/macro.c;h=776af7bd00eae4f0571f61c36ceaa1a276c256d3;hb=af8bbdf198a7cd619efd7c9a7aef2f86d5590aae 
(code beginning from line 500)
3) 
https://gcc.gnu.org/git/?p=gcc.git;a=blob;f=gcc/c-family/c-common.c;h=7e6905e791e27a4035c389476862a76eb270fd0c;hb=af8bbdf198a7cd619efd7c9a7aef2f86d5590aae 
(procedure cb_get_source_date_epoch) cb_get_source_date_epoch() returns (time_t)-1 due to 1). it is 
after that converted to struct tm using gmtime()
>
> I was able to rebuild a working p7zip 16.02 (7za.exe) via G++ 8.1.0
> with no (extra) problems. The resulting .EXE works as expected (within
> previous limits), and its CRC32 matches between builds under DOSEMU
> (LFN) and native FreeDOS (SFN, with appropriate patches/workarounds,
> thus not needing DOSLFN and builds faster).
>
> I did not (yet) test Ada (Gautier's 3D engine) or much other stuff.
>
Files are already on ftp.delorie.com in current/v2gnu. Only announcement is still missing.

Andris