Makefile revision 1.92 
1#	$NetBSD: Makefile,v 1.92 2009/12/13 09:01:45 mrg Exp $
2#
3# NOTE: when changing ld.so, ensure that ldd still compiles.
4#
5
6WARNS?=4
7
8# This needs to be before bsd.init.mk
9.if defined(BSD_MK_COMPAT_FILE)
10.include <${BSD_MK_COMPAT_FILE}>
11.endif
12
13# We are not building this with PIE
14PIE_CFLAGS=
15PIE_LDFLAGS=
16.include <bsd.init.mk>			# for OBJECT_FMT definition
17.include <bsd.shlib.mk>			# for SHLINKINSTALLDIR definition
18
19.if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \
20    exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU})
21ARCHSUBDIR=	${LDELFSO_MACHINE_CPU}
22.else
23ARCHSUBDIR=	${MACHINE_CPU}
24.endif
25M=		${.CURDIR}/arch/${ARCHSUBDIR}
26
27.if ((${MACHINE_ARCH} == "alpha") ||					\
28     (${MACHINE_CPU} == "arm") ||					\
29     (${MACHINE_ARCH} == "hppa") ||					\
30     (${MACHINE_ARCH} == "i386") ||					\
31     (${MACHINE_ARCH} == "m68k") ||					\
32     (${MACHINE_CPU} == "mips") ||					\
33     (${MACHINE_ARCH} == "powerpc") ||					\
34     (${MACHINE_CPU} == "sh3") ||					\
35     (${MACHINE_ARCH} == "sparc") ||					\
36     (${MACHINE_ARCH} == "sparc64") ||					\
37     (${MACHINE_ARCH} == "x86_64") ||					\
38     (${MACHINE_ARCH} == "vax")) &&					\
39    ${OBJECT_FMT} == "ELF" && ${MKPIC} != "no"
40
41PROG?=		ld.elf_so
42
43LDFLAGS+=	-shared -symbolic -nostartfiles
44LDFLAGS+=	-Wl,-static
45
46# Adds SRCS, CPPFLAGS, LDFLAGS, etc.  Must go first so MD startup source
47# is first.
48.if exists($M/Makefile.inc)
49.include "$M/Makefile.inc"
50.endif
51
52# Support src/compat/libexec/ld.elf_so.
53.if defined(MLIBDIR)
54CLIBOBJ!=	cd ${NETBSDSRCDIR}/compat/lib/libc && ${PRINTOBJDIR}
55.else
56CLIBOBJ!=	cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR}
57.endif
58
59SRCS+=		rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \
60		map_object.c load.c search.c headers.c paths.c expand.c
61
62.if ${USE_FORT} == "yes"
63.PATH.c: ${NETBSDSRCDIR}/lib/libc/misc
64SRCS+=		stack_protector.c
65.endif
66
67.PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib
68SRCS+=		exit.c
69
70BINDIR=		${SHLINKINSTALLDIR}
71
72CPPFLAGS+=	-DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\"
73CPPFLAGS+=	-I${.CURDIR}
74CPPFLAGS+=	-DRTLD_LOADER
75CPPFLAGS+=	-D_RTLD_SOURCE
76CPPFLAGS+=	-DCOMBRELOC
77#CPPFLAGS+=	-DDEBUG
78#CPPFLAGS+=	-DRTLD_DEBUG
79#CPPFLAGS+=	-DRTLD_DEBUG_RELOC
80#DBG=		-g
81DBG=		-O3 -fomit-frame-pointer
82
83.if ${SHLIBDIR} != ${LIBDIR}
84CPPFLAGS+=	-DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\"
85.endif
86
87LDADD+=		-L${CLIBOBJ} -L${DESTDIR}${LIBDIR}
88.if ${MKPICLIB} != "no"
89LDADD+=		-lc_pic
90.if ${MKPICINSTALL} != "no"
91DPADD+=		${LIBC_PIC}
92.endif
93DPADD+=		${CLIBOBJ}/libc_pic.a
94.else
95LDADD+=		-lc
96DPADD+=		${CLIBOBJ}/libc.a
97.endif
98
99STRIPFLAG=
100
101.PATH: $M
102
103${PROG}: ${OBJS} ${DPADD}
104	${_MKMSG_LINK} ${PROG}
105	${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD}
106
107.if ${SHLINKINSTALLDIR} != "/usr/libexec"
108SYMLINKS+=	${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG}
109.endif
110
111.include <bsd.prog.mk>
112.else
113
114MAN=		ld.elf_so.1
115
116.include <bsd.man.mk>
117.endif
118