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Date: Wed, 3 Nov 2021 07:51:00 -0700 (PDT)
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Subject: Re: DJGPP build of gcc-10.3.0 and make 4.3 incompatibility
From: "Stefan Ring (stefanrin AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
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On Wednesday, November 3, 2021 at 3:43:44 PM UTC+1, Andris Pavenis (andris DOT pavenis AT iki DOT fi) [via djgpp AT delorie DOT com] wrote:
> Actually gcc-10.3.0 was built for DJGPP, just not uploaded (both RPMs and DJGPP packages). 
> Uploading could be easy. 
> 
> Problem with cross-compiler: 
> 
> - libstdc++v3 configure does not check correctly available C library functions and as result they 
> may not be put into std namespace. I would like to do cross-native build (building DJGPP native 
> compiler using cross-compiler from Linux but it would have the same problem with libstdc++ 
> 
> Also: 
> 
> Actually myös SRPM package is generated. Generating script is not in SRPM or gccXXXs.zip but can be 
> found in my GCC repo fork in GitHub. 
> 
> For djgpp/native/gcc-10 branch it is: 
> 
> https://github.com/apavenis/djgpp-gcc/blob/djgpp/native/gcc-10/djgpp/mk-djcross-gcc.sh 
> 
> Script generates 
> 
> - SRPM package 
> 
> - patch to be applied for ArchLinux build 

Yeah, I figured out most of this, and I already used the SRPM to build the zip and build that on Windows. I just noticed that it does not work with (djgpp) make 4.3, but it does with make 4.1r2 (from the directory "deleted", IIRC).

I also did a cross-native build of gcc-10.3, and it seemed to work ok, but I did not test it on anything more sophisticated than a C++ "Hello World".