From: Claudio Jeker <cjeker@diehard.n-r-g.com>
Subject: Re: cmake neuter LTO detection logic for ports-gcc
To: Theo Buehler <tb@theobuehler.org>
Cc: Rafael Sadowski <rafael@sizeofvoid.org>, ports@openbsd.org
Date: Mon, 26 Jan 2026 21:22:30 +0100

On Mon, Jan 26, 2026 at 09:18:38PM +0100, Theo Buehler wrote:
> > > It seems the LTO flags are only in CMAKE_${lang}_COMPILE_OPTIONS_IPO but I
> > > have not yet figured out where those are pulled into doxygen
> > > 
> > > -- 
> > > :wq Claudio
> > 
> > I think you want this:
> 
> I just tested the equivalent diff that comments out the setting of IPO to true.
> 
> ok tb

I can't test right now but OK claudio@
 
> > 
> > diff --git a/devel/doxygen/Makefile b/devel/doxygen/Makefile
> > index 757db6e1e65..34f787c3ab9 100644
> > --- a/devel/doxygen/Makefile
> > +++ b/devel/doxygen/Makefile
> > @@ -3,6 +3,7 @@ COMMENT=        source code documentation generator tool
> >  VERSION=       1.15.0
> >  DISTNAME=      doxygen-${VERSION}.src
> >  PKGNAME=       doxygen-${VERSION}
> > +REVISION=      0
> > 
> >  CATEGORIES=    devel textproc
> > 
> > diff --git a/devel/doxygen/patches/patch-CMakeLists_txt b/devel/doxygen/patches/patch-CMakeLists_txt
> > new file mode 100644
> > index 00000000000..ad77afce3d0
> > --- /dev/null
> > +++ b/devel/doxygen/patches/patch-CMakeLists_txt
> > @@ -0,0 +1,13 @@
> > +Index: CMakeLists.txt
> > +--- CMakeLists.txt.orig
> > ++++ CMakeLists.txt
> > +@@ -36,9 +36,6 @@ option(enable_coverage "Enable coverage reporting for
> > + option(enable_tracing  "Enable tracing option in release builds [development]" OFF)
> > + option(enable_lex_debug "Enable debugging info for lexical scanners in release builds [development]" OFF)
> > +
> > +-if(CMAKE_BUILD_TYPE STREQUAL "Release")
> > +-  set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
> > +-endif()
> > +
> > + include(CheckCXXCompilerFlag)
> > +
> > 
> 

-- 
:wq Claudio