From: Stuart Henderson <stu@spacehopper.org>
Subject: Re: hdf5 needs c++ in COMPILER_LANGS
To: Martin Reindl <martin@catai.org>, ports@openbsd.org
Date: Wed, 19 Nov 2025 20:26:34 +0000

On 2025/11/17 14:30, Claudio Jeker wrote:
> The base c++ compiler is not good enough to compile hdf5.
> Since this is already depending on ports-gcc just use it also for c++.

oops, that was my mistake when fixing it for not setting fortran in
COMPILER_LANGS. generally if C++ libs are in WANTLIB and it's using
COMPILER then it needs to have c++ in COMPILER_LANGS, the whole point
being that everything possible needs to use the same C++ standard lib.

(yes that is a bit of a problem for mesa but we don't have a way
around that...).

> Code fails because of missing cinttypes include.
> 
> With this I can build hdf5 on sparc64 (using gcc15 but gcc8 may work as
> well)
> -- 
> :wq Claudio
> 
> Index: Makefile
> ===================================================================
> RCS file: /cvs/ports/math/hdf5/Makefile,v
> diff -u -p -r1.30 Makefile
> --- Makefile	5 Sep 2025 22:33:59 -0000	1.30
> +++ Makefile	5 Nov 2025 10:58:46 -0000
> @@ -29,7 +29,7 @@ PERMIT_PACKAGE =	Yes
>  WANTLIB += c m ${COMPILER_LIBCXX} z aec sz
>  
>  COMPILER =		base-clang ports-gcc base-gcc

better drop base-gcc here too. please bump REVISION and it's ok sthen.

> -COMPILER_LANGS =	fortran
> +COMPILER_LANGS =	c++ fortran
>  
>  # for h5fuse.sh
>  RUN_DEPENDS +=		shells/bash
>