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Makefile revision 1.89 
      1 #	$NetBSD: Makefile,v 1.89 2009/05/19 20:44:52 christos Exp $
      2 
      3 WARNS?=4
      4 
      5 # We are not building this with PIE
      6 PIE_CFLAGS=
      7 PIE_LDFLAGS=
      8 .include <bsd.init.mk>			# for OBJECT_FMT definition
      9 .include <bsd.shlib.mk>			# for SHLINKINSTALLDIR definition
     10 
     11 .if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \
     12     exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU})
     13 ARCHSUBDIR=	${LDELFSO_MACHINE_CPU}
     14 .else
     15 ARCHSUBDIR=	${MACHINE_CPU}
     16 .endif
     17 M=		${.CURDIR}/arch/${ARCHSUBDIR}
     18 
     19 .if ((${MACHINE_ARCH} == "alpha") ||					\
     20      (${MACHINE_CPU} == "arm") ||					\
     21      (${MACHINE_ARCH} == "hppa") ||					\
     22      (${MACHINE_ARCH} == "i386") ||					\
     23      (${MACHINE_ARCH} == "m68k") ||					\
     24      (${MACHINE_CPU} == "mips") ||					\
     25      (${MACHINE_ARCH} == "powerpc") ||					\
     26      (${MACHINE_CPU} == "sh3") ||					\
     27      (${MACHINE_ARCH} == "sparc") ||					\
     28      (${MACHINE_ARCH} == "sparc64") ||					\
     29      (${MACHINE_ARCH} == "x86_64") ||					\
     30      (${MACHINE_ARCH} == "vax")) &&					\
     31     ${OBJECT_FMT} == "ELF" && ${MKPIC} != "no"
     32 
     33 PROG?=		ld.elf_so
     34 
     35 LDFLAGS+=	-shared -symbolic -nostartfiles
     36 LDFLAGS+=	-Wl,-static
     37 
     38 # Adds SRCS, CPPFLAGS, LDFLAGS, etc.  Must go first so MD startup source
     39 # is first.
     40 .if exists($M/Makefile.inc)
     41 .include "$M/Makefile.inc"
     42 .endif
     43 
     44 # Support src/compat/libexec/ld.elf_so.
     45 .if defined(LD32DIR)
     46 CLIBOBJ!=	cd ${NETBSDSRCDIR}/compat/lib/libc && ${PRINTOBJDIR}
     47 .else
     48 CLIBOBJ!=	cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR}
     49 .endif
     50 
     51 SRCS+=		rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \
     52 		map_object.c load.c search.c headers.c paths.c expand.c
     53 
     54 .if ${USE_FORT} == "yes"
     55 .PATH.c: ${NETBSDSRCDIR}/lib/libc/misc
     56 SRCS+=		stack_protector.c
     57 .endif
     58 
     59 .PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib
     60 SRCS+=		exit.c
     61 
     62 BINDIR=		${SHLINKINSTALLDIR}
     63 
     64 CPPFLAGS+=	-DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\"
     65 CPPFLAGS+=	-I${.CURDIR}
     66 CPPFLAGS+=	-DRTLD_LOADER
     67 CPPFLAGS+=	-D_RTLD_SOURCE
     68 CPPFLAGS+=	-DCOMBRELOC
     69 #CPPFLAGS+=	-DDEBUG
     70 #CPPFLAGS+=	-DRTLD_DEBUG
     71 #CPPFLAGS+=	-DRTLD_DEBUG_RELOC
     72 #DBG=		-g
     73 DBG=		-O3 -fomit-frame-pointer
     74 
     75 .if ${SHLIBDIR} != ${LIBDIR}
     76 CPPFLAGS+=	-DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\"
     77 .endif
     78 
     79 LDADD+=		-L${CLIBOBJ} -L${DESTDIR}${LIBDIR}
     80 .if ${MKPICLIB} != "no"
     81 LDADD+=		-lc_pic
     82 .if ${MKPICINSTALL} != "no"
     83 DPADD+=		${LIBC_PIC}
     84 .endif
     85 DPADD+=		${CLIBOBJ}/libc_pic.a
     86 .else
     87 LDADD+=		-lc
     88 DPADD+=		${CLIBOBJ}/libc.a
     89 .endif
     90 
     91 STRIPFLAG=
     92 
     93 .PATH: $M
     94 
     95 ${PROG}: ${OBJS} ${DPADD}
     96 	${_MKMSG_LINK} ${PROG}
     97 	${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD}
     98 
     99 .if ${SHLINKINSTALLDIR} != "/usr/libexec"
    100 SYMLINKS+=	${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG}
    101 .endif
    102 
    103 .include <bsd.prog.mk>
    104 .else
    105 
    106 MAN=		ld.elf_so.1
    107 
    108 .include <bsd.man.mk>
    109 .endif
    110