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Makefile revision 1.87.2.2 
      1 #	$NetBSD: Makefile,v 1.87.2.2 2012/03/17 18:28:33 bouyer Exp $
      2   
      3 # This needs to be before bsd.init.mk
      4 .if defined(BSD_MK_COMPAT_FILE)
      5 .include <${BSD_MK_COMPAT_FILE}>
      6 .endif
      7 
      8 # We are not building this with PIE
      9 PIE_CFLAGS=
     10 PIE_LDFLAGS=
     11 .include <bsd.init.mk>			# for OBJECT_FMT definition
     12 .include <bsd.shlib.mk>			# for SHLINKINSTALLDIR definition
     13 
     14 .if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \
     15     exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU})
     16 ARCHSUBDIR=	${LDELFSO_MACHINE_CPU}
     17 .else
     18 ARCHSUBDIR=	${MACHINE_CPU}
     19 .endif
     20 M=		${.CURDIR}/arch/${ARCHSUBDIR}
     21 
     22 .if ((${MACHINE_ARCH} == "alpha") ||					\
     23      (${MACHINE_CPU} == "arm") ||					\
     24      (${MACHINE_ARCH} == "hppa") ||					\
     25      (${MACHINE_ARCH} == "i386") ||					\
     26      (${MACHINE_ARCH} == "m68k") ||					\
     27      (${MACHINE_CPU} == "mips") ||					\
     28      (${MACHINE_ARCH} == "powerpc") ||					\
     29      (${MACHINE_CPU} == "sh3") ||					\
     30      (${MACHINE_ARCH} == "sparc") ||					\
     31      (${MACHINE_ARCH} == "sparc64") ||					\
     32      (${MACHINE_ARCH} == "x86_64") ||					\
     33      (${MACHINE_ARCH} == "vax")) &&					\
     34     ${OBJECT_FMT} == "ELF" && ${MKPIC} != "no"
     35 
     36 LDFLAGS+=	-shared -symbolic -nostartfiles
     37 LDFLAGS+=	-Wl,-static
     38 
     39 # Adds SRCS, CPPFLAGS, LDFLAGS, etc.  Must go first so MD startup source
     40 # is first.
     41 .if exists($M/Makefile.inc)
     42 .include "$M/Makefile.inc"
     43 .endif
     44 
     45 # Support compat ld.elf_so.
     46 .if defined(MLIBDIR)
     47 PROG=		ld.elf_so-${MLIBDIR}
     48 CPPFLAGS+=	-DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\"
     49 .else
     50 PROG=		ld.elf_so
     51 .endif
     52 
     53 CLIBOBJ!=	cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR}
     54 
     55 SRCS+=		rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \
     56 		map_object.c load.c search.c headers.c paths.c expand.c
     57 
     58 .if ${USE_FORT} == "yes"
     59 .PATH.c: ${NETBSDSRCDIR}/lib/libc/misc
     60 SRCS+=		stack_protector.c
     61 .endif
     62 
     63 .PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib
     64 SRCS+=		exit.c
     65 
     66 BINDIR=		${SHLINKINSTALLDIR}
     67 
     68 CPPFLAGS+=	-DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\"
     69 CPPFLAGS+=	-I${.CURDIR}
     70 CPPFLAGS+=	-DRTLD_LOADER
     71 CPPFLAGS+=	-D_RTLD_SOURCE
     72 CPPFLAGS+=	-DCOMBRELOC
     73 #CPPFLAGS+=	-DDEBUG
     74 #CPPFLAGS+=	-DRTLD_DEBUG
     75 #CPPFLAGS+=	-DRTLD_DEBUG_RELOC
     76 #DBG=		-g
     77 DBG=		-O3 -fomit-frame-pointer
     78 
     79 .if ${SHLIBDIR} != ${LIBDIR}
     80 CPPFLAGS+=	-DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\"
     81 .endif
     82 
     83 # rtld.c and symbol.c use alloca, so disable SSP warnings.
     84 COPTS.rtld.c+=	-Wno-stack-protector
     85 COPTS.symbol.c+=-Wno-stack-protector
     86 
     87 LDADD+=		-L${CLIBOBJ} -L${DESTDIR}${LIBDIR}
     88 .if ${MKPICLIB} != "no"
     89 LDADD+=		-lc_pic
     90 .if ${MKPICINSTALL} != "no"
     91 DPADD+=		${LIBC_PIC}
     92 .endif
     93 DPADD+=		${CLIBOBJ}/libc_pic.a
     94 .else
     95 LDADD+=		-lc
     96 DPADD+=		${CLIBOBJ}/libc.a
     97 .endif
     98 
     99 STRIPFLAG=
    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"
    108 SYMLINKS+=	${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG}
    109 .endif
    110 
    111 .include <bsd.prog.mk>
    112 .else
    113 
    114 MAN=		ld.elf_so.1
    115 
    116 .include <bsd.man.mk>
    117 .endif
    118