From: Rafael Sadowski <rafael@sizeofvoid.org>
Subject: Re: Remove -DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON workarounds
To: Theo Buehler <tb@theobuehler.org>
Cc: ports@openbsd.org
Date: Wed, 19 Aug 2026 14:24:20 +0200

On Thu Aug 13, 2026 at 12:09:52AM +0200, Theo Buehler wrote:
> Since I never managed to figure out why they were needed, I also don't
> know why they are no longer needed...
> 
> These were added to work around build failures vaguely related to C++20,
> libstdc++, stdarg.h and __bsd_locale_fallbacks.h. The latter header has
> been reorganized as part of the last llvm update. cmake 3.28 mentioned
> in a comment has long been replaced by more modern macro soup.
> 
> The diff below builds on amd64 and aarch64, which I think is good
> enough of a test.
> 
> In libquotient, tests build, but they fail quite spectacularly, among
> other things since you need to prepare a matrix server. I'll leave that
> for someone else to figure out and only chose to adjust an XXX comment.

OK rsadowski

> 
> Index: graphics/blender/Makefile
> ===================================================================
> RCS file: /cvs/ports/graphics/blender/Makefile,v
> diff -u -p -r1.151 Makefile
> --- graphics/blender/Makefile	2 Mar 2026 15:00:23 -0000	1.151
> +++ graphics/blender/Makefile	12 Aug 2026 20:37:24 -0000
> @@ -9,7 +9,7 @@ COMMENT =	3D creation software
>  VERSION =	4.5.3
>  V =		${VERSION:R}
>  DISTNAME =	blender-${VERSION}
> -REVISION =	3
> +REVISION =	4
>  
>  CATEGORIES =	graphics
>  
> @@ -49,9 +49,6 @@ CONFIGURE_ARGS =	-DWITH_PYTHON_INSTALL=O
>  			-DWITH_PULSEAUDIO=OFF \
>  			-DWITH_SYSTEM_GLEW=ON \
>  			-DWITH_GHOST_WAYLAND=OFF
> -
> -# Disable PCH, build issue with cmake 3.28
> -CONFIGURE_ARGS +=	-DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON
>  
>  .if ${MACHINE_ARCH} != "amd64" && ${MACHINE_ARCH} != "i386"
>  CONFIGURE_ARGS+=	-DWITH_CPU_SIMD=OFF
> Index: net/nheko/Makefile
> ===================================================================
> RCS file: /cvs/ports/net/nheko/Makefile,v
> diff -u -p -r1.18 Makefile
> --- net/nheko/Makefile	19 Jan 2026 10:50:05 -0000	1.18
> +++ net/nheko/Makefile	12 Aug 2026 20:37:10 -0000
> @@ -3,7 +3,7 @@ COMMENT =	desktop client for Matrix
>  GH_ACCOUNT =	Nheko-Reborn
>  GH_PROJECT =	nheko
>  GH_TAGNAME =	v0.12.1
> -REVISION =	0
> +REVISION =	1
>  
>  CATEGORIES=	net
>  
> @@ -47,6 +47,5 @@ LIB_DEPENDS =	databases/lmdb \
>  
>  # -DCMAKE_DISABLE_FIND_PACKAGE_GIT=ON (or _Git or _git) do not work
>  CONFIGURE_ARGS +=	-DGIT=OFF
> -CONFIGURE_ARGS +=	-DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON
>  
>  .include <bsd.port.mk>
> Index: x11/libquotient/Makefile
> ===================================================================
> RCS file: /cvs/ports/x11/libquotient/Makefile,v
> diff -u -p -r1.12 Makefile
> --- x11/libquotient/Makefile	9 Dec 2025 10:45:13 -0000	1.12
> +++ x11/libquotient/Makefile	12 Aug 2026 21:14:49 -0000
> @@ -3,6 +3,7 @@ COMMENT =	Qt6 library for writing cross-
>  GH_ACCOUNT =	quotient-im
>  GH_PROJECT =	libQuotient
>  GH_TAGNAME =	0.9.5
> +REVISION =	0
>  
>  SHARED_LIBS +=  QuotientQt6               3.0 # 0.0
>  
> @@ -26,10 +27,9 @@ LIB_DEPENDS =	devel/olm \
>  		security/qtkeychain,qt6 \
>  
>  CONFIGURE_ARGS =	-DBUILD_SHARED_LIBS=ON \
> -			-DCMAKE_DISABLE_FIND_PACKAGE_Git=ON \
> -			-DCMAKE_DISABLE_PRECOMPILE_HEADERS=ON
> +			-DCMAKE_DISABLE_FIND_PACKAGE_Git=ON
>  
> -# XXX C++20 vs. libstd++ in quotest.cpp
> +# Tests require a matrix server on localhost:1234
>  CONFIGURE_ARGS +=	-DBUILD_TESTING=OFF
>  
>  # XXX unpackaged quotest is still built when disabling tests
>