On Mon, Sep 04, 2023 at 12:13:36PM +0200, Peter Krempa wrote: > Meson doesn't interpret what's set in CFLAGS, but rather simply appeds > it to the command line. Thus any logic which is based on the > optimization level will not work. > > Note the caveat in the docs and instruct users to use > ``--optimization=N`` instead. > > Signed-off-by: Peter Krempa <pkrempa@xxxxxxxxxx> > --- > docs/compiling.rst | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/docs/compiling.rst b/docs/compiling.rst > index 800264d2f9..0a47a50569 100644 > --- a/docs/compiling.rst > +++ b/docs/compiling.rst > @@ -112,6 +112,11 @@ Please ensure that you have the appropriate minimal ``meson`` version installed > in your build environment. The minimal version for a specific package can be > checked in the top level ``meson.build`` file in the ``meson_version`` field. > > +**DO NOT** use the ``CFLAGS`` environment variable to set optimizations > +(e.g. ``CFLAGS=-O0``), but rather use Meson's ``--optimization=0`` option. > +Certain internal build options are based on the configured optimization value > +and Meson does not interpret ``CFLAGS``. Reviewed-by: Daniel P. Berrangé <berrange@xxxxxxxxxx> With regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
