$OpenBSD: patch-config_mk,v 1.12 2018/06/03 16:57:12 kn Exp $
Index: config.mk
--- config.mk.orig
+++ config.mk
@@ -25,10 +25,10 @@ INCS = -I${X11INC} -I${FREETYPEINC}
 LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
 
 # flags
-CPPFLAGS = -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
+CPPFLAGS += -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
 #CFLAGS   = -g -std=c99 -pedantic -Wall -O0 ${INCS} ${CPPFLAGS}
-CFLAGS   = -std=c99 -pedantic -Wall -Wno-deprecated-declarations -Os ${INCS} ${CPPFLAGS}
-LDFLAGS  = -s ${LIBS}
+CFLAGS   += -std=c99 -pedantic -Wall -Wno-deprecated-declarations ${INCS} ${CPPFLAGS}
+LDFLAGS  += ${LIBS}
 
 # Solaris
 #CFLAGS = -fast ${INCS} -DVERSION=\"${VERSION}\"
