for qt5 you have COMPILER_LANGS = c c++, but for qt6 it's COMPILER_LANGS
?= c c++. it needs to use either += or ?= otherwise you lose an existing
setting (e.g. COMPILER_LANGS = fortran).

otherwise lgtm.

i can start a bulk on i386 with this tomorrow


On 2025/11/22 19:38, Theo Buehler wrote:
> On Sat, Nov 22, 2025 at 05:34:59PM +0100, Claudio Jeker wrote:
> > This is what I used to work around the python 3.13 problem on ports-gcc
> > archs (or actually archs using gcc4 in base that lacks atomic
> > instructions).
> > 
> > py-gobject3 needs to set COMPILER and LANGS early because of all the
> > module loading. qt5 and qt6 have to set COMPILER_LANGS since code includes
> > lang/python as module and that would then downgrade the c++ compiler to
> > base-gcc :(
> > 
> > I did not dig through all failures yet, maybe there are a few more but
> > even then I think this is the right step for now.
> 
> I think this is the right way to do it. Maybe this warrants a bulk build
> on a fast arch. sthen, what do you think?
> 
> I can't one that myself since my builder is churning through something
> else.
> 
> ok tb
> 
> > -- 
> > :wq Claudio
> > 
> > Index: devel/py-gobject3/Makefile
> > ===================================================================
> > RCS file: /cvs/ports/devel/py-gobject3/Makefile,v
> > diff -u -p -r1.99 Makefile
> > --- devel/py-gobject3/Makefile	10 Nov 2025 05:28:43 -0000	1.99
> > +++ devel/py-gobject3/Makefile	20 Nov 2025 14:32:27 -0000
> > @@ -17,6 +17,9 @@ PERMIT_PACKAGE=		Yes
> >  
> >  WANTLIB += cairo cairo-gobject ffi girepository-2.0 glib-2.0 gobject-2.0
> >  
> > +COMPILER=		base-clang ports-gcc
> > +COMPILER_LANGS=		c
> > +
> >  MODULES=		devel/meson \
> >  			lang/python \
> >  			x11/gnome
> > Index: lang/python/3/python.port.mk
> > ===================================================================
> > RCS file: /cvs/ports/lang/python/3/python.port.mk,v
> > diff -u -p -r1.11 python.port.mk
> > --- lang/python/3/python.port.mk	14 Nov 2025 08:20:58 -0000	1.11
> > +++ lang/python/3/python.port.mk	20 Nov 2025 13:56:01 -0000
> > @@ -9,6 +9,9 @@ CATEGORIES +=		lang/python
> >  # must be REVISION-bumped.
> >  # - Keep xenocara/share/mk/bsd.xorg.mk PYTHON_VERSION in sync.
> >  
> > +COMPILER ?=		base-clang ports-gcc
> > +COMPILER_LANGS ?=	c
> > +
> >  MODPY_WANTLIB =		python${MODPY_VERSION}
> >  MODPY_RUN_DEPENDS =	lang/python/3
> >  MODPY_LIB_DEPENDS =	lang/python/3
> > Index: x11/qt5/qt5.port.mk
> > ===================================================================
> > RCS file: /cvs/ports/x11/qt5/qt5.port.mk,v
> > diff -u -p -r1.33 qt5.port.mk
> > --- x11/qt5/qt5.port.mk	23 Mar 2024 06:54:27 -0000	1.33
> > +++ x11/qt5/qt5.port.mk	20 Nov 2025 22:05:45 -0000
> > @@ -174,6 +174,7 @@ MAKE_FLAGS +=	${_MODQT5_SETUP}
> >  MODQT5_USE_CXX11 ?=	Yes
> >  .if ${MODQT5_USE_CXX11:L} == "yes"
> >  COMPILER ?= base-clang ports-gcc
> > +COMPILER_LANGS = c c++
> >  ONLY_FOR_ARCHS ?= ${CXX11_ARCHS}
> >  # useful?
> >  _MODQT5_SETUP +=	CC=${CC} CXX=${CXX}
> > Index: x11/qt6/qt6.port.mk
> > ===================================================================
> > RCS file: /cvs/ports/x11/qt6/qt6.port.mk,v
> > diff -u -p -r1.13 qt6.port.mk
> > --- x11/qt6/qt6.port.mk	10 Aug 2025 05:30:00 -0000	1.13
> > +++ x11/qt6/qt6.port.mk	20 Nov 2025 22:01:59 -0000
> > @@ -58,6 +58,7 @@ MODQT6_USE_CXX17 ?=	Yes
> >  
> >  .if ${MODQT6_USE_CXX17:L} == "yes"
> >  COMPILER ?= base-clang ports-gcc
> > +COMPILER_LANGS ?= c c++
> >  ONLY_FOR_ARCHS ?= ${CXX11_ARCHS}
> >  .endif
> >  
> > 
>