libexec/ld.elf_so/Makefile

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