> On 19 Feb 2018, at 14:05, Christophe Fergeau <cfergeau@xxxxxxxxxx> wrote: > > On Wed, Feb 14, 2018 at 10:13:41PM +0100, Christophe de Dinechin wrote: >>>> I’d write “config.h”. No reason to ever look config.h in system headers. >>> >>> The reason for the <> is described in [1], 4th paragraph. I've >>> mentioned it during the previous discussion and didn't get any comment >>> on it IIRC. Either is fine by me, I don't plan to introduce another >>> file named 'config.h' anywhere in the source tree. >>> >>> [1] https://www.gnu.org/software/autoconf/manual/autoconf-2.66/html_node/Configuration-Headers.html >> >> That rationale is remarkably inconsistent with the generated makefiles, which build for example with: >> >> -I. -I.. -I.. -I.. -I/usr/include/pixman-1 -I/usr/include/cacard -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -I/usr/include/nss3 -I/usr/include/nspr4 -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -pthread -I/usr/include/opus -DG_LOG_DOMAIN=\"Spice\" -I/usr/local/include/spice-1 >> >> or for the streaming agent: >> >> -I. -I.. -DSPICE_STREAMING_AGENT_PROGRAM -I../include -DPLUGINSDIR=\"/usr/local/lib/spice-streaming-agent/plugins\" -I/usr/local/include/spice-1 >> >> So you -I. first anyway, and you would prefer the local config.h in any case. “config.h” just lets compiler find it without looking up at the command-line options. > > As far as I can tell, this -I. -I.. corresponds to -I$(builddir) -I$(srcdir) > > #include "config.h" would look into $(srcdir) first regardless of these > -I flags, #include <config.h> will look into -I$(builddir) first, which > is what is documented in the link given by Lukas. Uri also pointed out more or less the same thing. Currently, we have a fair number of both. > > Christophe > _______________________________________________ > Spice-devel mailing list > Spice-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/spice-devel _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/spice-devel