>>726
具体的にはどのportれすか。たまたま試してみたmacopixでは上手くいくのれす
(make.conf)
PORTSDIR=/home/pkgs/F/ports
.if ${.CURDIR} == ${PORTSDIR}/games/macopix
CFLAGS+= -DHOGE
.endif

...
gmake[2]: Entering directory `/ad2/home/obj/ports/ad2/home/pkgs/F/ports/games/macopix/work/macopix-1.0.3/src'
if cc -DHAVE_CONFIG_H -I. -I. -I.. -I/usr/X11R6/include/gtk12 -I/usr/local/include/glib12
-I/usr/local/include -I/usr/X11R6/include -I/usr/X11R6/include/gdk-pixbuf-1.0
-I/usr/X11R6/include/gtk12 -I/usr/local/include/glib12 -I/usr/local/include -I/usr/X11R6/include
-DLOCALEDIR=\""/usr/X11R6/share/locale"\" -DCOMMON_DIR=\""/usr/X11R6/share/macopix/"\"
-I/usr/local/include -O -pipe -DHOGE -march=pentium3 -MT main.o -MD -MP -MF ".deps/main.Tpo" \
-c -o main.o `test -f 'main.c' || echo './'`main.c; \
then mv -f ".deps/main.Tpo" ".deps/main.Po"; \
else rm -f ".deps/main.Tpo"; exit 1; \
fi
...