xref: /freebsd/libexec/rtld-elf/Makefile (revision c8fa8e25d77016f36e63790f2ceccb90613ccb2e)
1# $FreeBSD$
2
3PROG=		ld-elf.so.1
4SRCS=		rtld_start.S rtld.c rtld_lock.c map_object.c malloc.c \
5		xmalloc.c debug.c reloc.c
6MAN=		rtld.1
7CFLAGS+=	-Wall -DFREEBSD_ELF -DIN_RTLD
8CFLAGS+=	-I${.CURDIR}/${MACHINE_ARCH} -I${.CURDIR}
9LDFLAGS+=	-nostdlib -e .rtld_start
10INSTALLFLAGS=	-fschg -C -b
11MLINKS=		rtld.1 ld-elf.so.1.1 \
12		rtld.1 ld.so.1
13
14#
15# To enable the libmap.conf functionality please
16# add 'WITH_LIBMAP=yes' to /etc/make.conf, recompile
17# and reinstall rtld-elf.
18.ifdef WITH_LIBMAP
19CFLAGS+=	-DWITH_LIBMAP
20SRCS+=		libmap.c
21.endif
22
23.if exists(${.CURDIR}/${MACHINE_ARCH}/Makefile.inc)
24.include "${.CURDIR}/${MACHINE_ARCH}/Makefile.inc"
25.endif
26
27# If LDSCRIPT is defined, we build the dynamic linker as an
28# executable.  Otherwise we build it as a shared object.  We ignore
29# LDSCRIPT if the running kernel is too old to support it.
30.if defined(LDSCRIPT)
31KERN_OSRELDATE!=	/sbin/sysctl -n kern.osreldate 2>/dev/null || echo 0
32.if ${KERN_OSRELDATE} >= 400001
33LDSO_IS_EXECUTABLE=	yes
34.endif
35.endif
36
37.ifdef LDSO_IS_EXECUTABLE
38OBJS+=		dyn_hack.so
39LDFLAGS+=	-Wl,-T,${LDSCRIPT} -Wl,-E -Wl,-Bstatic
40DPADD=		${LIBC}
41LDADD=		-lc
42.else
43CFLAGS+=	-fpic -DPIC
44LDFLAGS+=	-shared -Wl,-Bsymbolic
45DPADD=		${LIBC_PIC}
46LDADD=		-lc_pic
47.endif
48
49dyn_hack.so:
50	${CC} -shared -nostdlib -o dyn_hack.so -x c /dev/null
51
52.PATH: ${.CURDIR}/${MACHINE_ARCH}
53
54.include <bsd.prog.mk>
55