Makefile revision 267233 
1# $FreeBSD: head/libexec/rtld-elf/Makefile 267233 2014-06-08 17:29:31Z bdrewery $
2
3.include <src.opts.mk>
4MK_SSP=		no
5
6PROG?=		ld-elf.so.1
7SRCS=		rtld_start.S \
8		reloc.c rtld.c rtld_lock.c rtld_printf.c map_object.c \
9		malloc.c xmalloc.c debug.c libmap.c
10MAN=		rtld.1
11CSTD?=		gnu99
12TOPSRCDIR=	${.CURDIR}/../..
13CFLAGS+=	-Wall -DFREEBSD_ELF -DIN_RTLD
14CFLAGS+=	-I${TOPSRCDIR}/lib/csu/common
15.if exists(${.CURDIR}/${MACHINE_ARCH})
16RTLD_ARCH=	${MACHINE_ARCH}
17.else
18RTLD_ARCH=	${MACHINE_CPUARCH}
19.endif
20CFLAGS+=	-I${.CURDIR}/${RTLD_ARCH} -I${.CURDIR}
21.if ${MACHINE_ARCH} == "powerpc64"
22CFLAGS+=	-mcall-aixdesc
23LDFLAGS+=	-nostdlib -e _rtld_start
24.else
25LDFLAGS+=	-nostdlib -e .rtld_start
26.endif
27WARNS?=		2
28INSTALLFLAGS=	-C -b
29PRECIOUSPROG=
30BINDIR=		/libexec
31SYMLINKS=	${BINDIR}/${PROG} /usr/libexec/${PROG}
32MLINKS=		rtld.1 ld-elf.so.1.1 \
33		rtld.1 ld.so.1
34
35.if ${MACHINE_CPUARCH} == "sparc64"
36CFLAGS+=	-fPIC
37.else
38CFLAGS+=	-fpic
39.endif
40CFLAGS+=	-DPIC $(DEBUG)
41LDFLAGS+=	-shared -Wl,-Bsymbolic
42DPADD=		${LIBC_PIC}
43LDADD=		-lc_pic
44
45.if ${MACHINE_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
46# Some of the required math functions (div & mod) are implemented in
47# libcompiler_rt on ARM. The library also needs to be placed first to be
48# correctly linked. As some of the functions are used before we have
49# shared libraries.
50DPADD+=		${LIBCOMPILER_RT}
51LDADD+=		-lcompiler_rt
52.endif
53
54
55
56.if ${MK_SYMVER} == "yes"
57LIBCDIR=	${TOPSRCDIR}/lib/libc
58VERSION_DEF=	${LIBCDIR}/Versions.def
59SYMBOL_MAPS=	${.CURDIR}/Symbol.map
60VERSION_MAP=	Version.map
61LDFLAGS+=	-Wl,--version-script=${VERSION_MAP}
62
63${PROG}:	${VERSION_MAP}
64
65.if exists(${.CURDIR}/${RTLD_ARCH}/Symbol.map)
66SYMBOL_MAPS+=	${.CURDIR}/${RTLD_ARCH}/Symbol.map
67.endif
68.endif
69
70.sinclude "${.CURDIR}/${RTLD_ARCH}/Makefile.inc"
71
72# Since moving rtld-elf to /libexec, we need to create a symlink.
73# Fixup the existing binary that's there so we can symlink over it.
74beforeinstall:
75.if exists(${DESTDIR}/usr/libexec/${PROG})
76	-chflags -h noschg ${DESTDIR}/usr/libexec/${PROG}
77.endif
78
79.PATH: ${.CURDIR}/${RTLD_ARCH}
80
81NO_PIE=	yes
82
83.include <bsd.symver.mk>
84.include <bsd.prog.mk>
85