File allow-overriding-compiler-variables.patch of Package bmake

---
 mk/sys/Linux.mk |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

--- a/mk/sys/Linux.mk
+++ b/mk/sys/Linux.mk
@@ -21,7 +21,7 @@ ARFLAGS ?=	r
 RANLIB ?=		ranlib
 
 AS ?=		as
-AFLAGS=
+AFLAGS ?=
 COMPILE.s ?=	${AS} ${AFLAGS}
 LINK.s ?=		${CC} ${AFLAGS} ${LDFLAGS}
 COMPILE.S ?=	${CC} ${AFLAGS} ${CPPFLAGS} -c
@@ -79,6 +79,12 @@ YACC ?=		yacc
 YFLAGS ?=		-d
 YACC.y ?=		${YACC} ${YFLAGS}
 
+# At least Ubuntu 8.1 sets __attribute__((warn_unused_result)) on fwrite()
+# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25509
+.if !defined(NOGCCERROR)
+CFLAGS+= -Wno-error
+.endif
+
 # C
 .c:
 	${LINK.c} -o ${.TARGET} ${.IMPSRC} ${LDLIBS}
@@ -88,6 +94,8 @@ YACC.y ?=		${YACC} ${YFLAGS}
 	${COMPILE.c} ${.IMPSRC}
 	${AR} ${ARFLAGS} $@ $*.o
 	rm -f $*.o
+.c.ln:
+	${LINT} ${LINTFLAGS} ${CPPFLAGS:M-[IDU]*} -i ${.IMPSRC}
 
 # C++
 ${CXX_SUFFIXES}: