# $FreeBSD: src/lib/csu/amd64/Makefile SVN 232832 2012/03/11 kib $

SRCS=		crt1.c crti.S crtn.S
OBJS+=		Scrt1.o gcrt1.o
INSTALLOBJS+=	crt1.o crti.o crtn.o Scrt1.o gcrt1.o
CLEANFILES=	crt1.s gcrt1.s Scrt1.s
CLEANFILES+=	crt1.o crti.o crtn.o Scrt1.o gcrt1.o
MKDEPINTDEPS=	crt1.o:crt1.s
MKDEPINTDEPS+=	crt1.o:gcrt1.s
MKDEPINTDEPS+=	crt1.o:Scrt1.s
NOIMPLICITDEPEND=
WARNS?=		2

CFLAGS+=	-I${CSUDIR}/../common \
		-I${CSUDIR}/../../libc/include
CFLAGS+=	-fno-omit-frame-pointer
CFLAGS+=	-fno-asynchronous-unwind-tables

# explictly do not let the use of -flto (ld.gold blows away os version elf note)
.if ${CFLAGS:M-flto}
CFLAGS+=        -fno-lto
.endif

.PATH:		${CSUDIR} ${CSUDIR}/../common

# See the comment in lib/csu/common/crtbrand.c for the reason crt1.c is not
# directly compiled to .o files.

crt1.s: crt1.c
	${CC} ${CFLAGS:N-flto} -S -o ${.TARGET} ${CSUDIR}/crt1.c
	sed ${SED_FIX_NOTE} ${.TARGET}

crt1.o: crt1.s
	${CC} -c -o ${.TARGET} crt1.s

gcrt1.s: crt1.c
	${CC} ${CFLAGS:N-flto} -DGCRT -S -o ${.TARGET} ${CSUDIR}/crt1.c
	sed ${SED_FIX_NOTE} ${.TARGET}

gcrt1.o: gcrt1.s
	${CC} -c -o ${.TARGET} gcrt1.s

Scrt1.s: crt1.c
	${CC} ${CFLAGS:N-flto} -fPIC -DPIC -S -o ${.TARGET} ${CSUDIR}/crt1.c
	sed ${SED_FIX_NOTE} ${.TARGET}

Scrt1.o: Scrt1.s
	${CC} -c -o ${.TARGET} Scrt1.s