The instructions on doing something with src/lib/csu/powerpc.

lib/csu/powerpc/Makefile

@@ -0,0 +1,26 @@
+# $FreeBSD$
+
+SRCS=		crt1.c crti.S crtn.S
+OBJS=		${SRCS:N*.h:R:S/$/.o/g}
+OBJS+=		gcrt1.o
+CFLAGS+=	-Wall -Wno-unused \
+		-I${.CURDIR}/../common
+NOMAN=		true
+NOPIC=		true
+NOPROFILE=	true
+INTERNALLIB=	true
+
+.PATH:		${.CURDIR}/../common
+
+all: ${OBJS} ${SOBJS}
+
+gcrt1.o:	crt1.c
+	${CC} ${CFLAGS} -DGCRT -c -o gcrt1.o ${.ALLSRC}
+
+realinstall:
+.for file in ${OBJS} ${SOBJS}
+	${INSTALL} ${COPY} -o ${LIBOWN} -g ${LIBGRP} -m ${LIBMODE} \
+	    ${file} ${DESTDIR}${LIBDIR}/${file:S/.So$/S.o/}
+.endfor
+
+.include <bsd.lib.mk>