Makefile revision 119044 
1# $FreeBSD: head/libexec/rtld-elf/Makefile 119044 2003-08-17 18:50:56Z gordon $
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
7CSTD?=		gnu99
8CFLAGS+=	-Wall -DFREEBSD_ELF -DIN_RTLD
9CFLAGS+=	-I${.CURDIR}/${MACHINE_ARCH} -I${.CURDIR}
10LDFLAGS+=	-nostdlib -e .rtld_start
11INSTALLFLAGS=	-fschg -C -b
12BINDIR=		/libexec
13SYMLINKS=	${BINDIR}/ld-elf.so.1 /usr/libexec/ld-elf.so.1
14MLINKS=		rtld.1 ld-elf.so.1.1 \
15		rtld.1 ld.so.1
16
17#
18# To enable the libmap.conf functionality please
19# add 'WITH_LIBMAP=yes' to /etc/make.conf, recompile
20# and reinstall rtld-elf.
21.ifdef WITH_LIBMAP
22CFLAGS+=	-DWITH_LIBMAP
23SRCS+=		libmap.c
24.endif
25
26.if exists(${.CURDIR}/${MACHINE_ARCH}/Makefile.inc)
27.include "${.CURDIR}/${MACHINE_ARCH}/Makefile.inc"
28.endif
29
30# If LDSCRIPT is defined, we build the dynamic linker as an
31# executable.  Otherwise we build it as a shared object.  We ignore
32# LDSCRIPT if the running kernel is too old to support it.
33.if defined(LDSCRIPT)
34KERN_OSRELDATE!=	/sbin/sysctl -n kern.osreldate 2>/dev/null || echo 0
35.if ${KERN_OSRELDATE} >= 400001
36LDSO_IS_EXECUTABLE=	yes
37.endif
38.endif
39
40.ifdef LDSO_IS_EXECUTABLE
41OBJS+=		dyn_hack.so
42LDFLAGS+=	-Wl,-T,${LDSCRIPT} -Wl,-E -Wl,-Bstatic
43DPADD=		${LIBC}
44LDADD=		-lc
45.else
46CFLAGS+=	-fpic -DPIC
47LDFLAGS+=	-shared -Wl,-Bsymbolic
48DPADD=		${LIBC_PIC}
49LDADD=		-lc_pic
50.endif
51
52dyn_hack.so:
53	${CC} -shared -nostdlib -o dyn_hack.so -x c /dev/null
54
55# Since moving rtld-elf to /libexec, we need to create a symlink.
56# Fixup the existing binary that's there so we can symlink over it.
57beforeinstall:
58	-chflags noschg /usr/libexec/ld-elf.so.1
59
60.PATH: ${.CURDIR}/${MACHINE_ARCH}
61
62.include <bsd.prog.mk>
63