libexec/rtld-elf/Makefile

   1 # $FreeBSD$
   2
   3 # Use the following command to build local debug version of dynamic
   4 # linker:
   5 # make DEBUG_FLAGS=-g DEBUG=-DDEBUG MK_TESTS=no all
   6
   7 .include <src.opts.mk>
   8 PACKAGE=        clibs
   9 MK_SSP=         no
  10
  11 PROG?=          ld-elf.so.1
  12 .if (${PROG:M*ld-elf32*} != "")
  13 TAGS+=          lib32
  14 .endif
  15 SRCS=           rtld_start.S \
  16                 reloc.c rtld.c rtld_lock.c rtld_printf.c map_object.c \
  17                 malloc.c xmalloc.c debug.c libmap.c
  18 MAN=            rtld.1
  19 CSTD?=          gnu99
  20 CFLAGS+=        -Wall -DFREEBSD_ELF -DIN_RTLD -ffreestanding
  21 CFLAGS+=        -I${SRCTOP}/lib/csu/common
  22 .if exists(${.CURDIR}/${MACHINE_ARCH})
  23 RTLD_ARCH=      ${MACHINE_ARCH}
  24 .else
  25 RTLD_ARCH=      ${MACHINE_CPUARCH}
  26 .endif
  27 CFLAGS+=        -I${.CURDIR}/${RTLD_ARCH} -I${.CURDIR}
  28 .if ${MACHINE_ARCH} == "powerpc64"
  29 LDFLAGS+=       -nostdlib -e _rtld_start
  30 .else
  31 LDFLAGS+=       -nostdlib -e .rtld_start
  32 .endif
  33 WARNS?=         2
  34 INSTALLFLAGS=   -C -b
  35 PRECIOUSPROG=
  36 BINDIR=         /libexec
  37 SYMLINKS=       ${BINDIR}/${PROG} ${LIBEXECDIR}/${PROG}
  38 MLINKS=         rtld.1 ld-elf.so.1.1 \
  39                 rtld.1 ld.so.1
  40
  41 .if ${MACHINE_CPUARCH} == "sparc64"
  42 CFLAGS+=        -fPIC
  43 .else
  44 CFLAGS+=        -fpic
  45 .endif
  46 CFLAGS+=        -DPIC $(DEBUG)
  47 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
  48 CFLAGS+=        -fvisibility=hidden
  49 .endif
  50 LDFLAGS+=       -shared -Wl,-Bsymbolic
  51 LIBADD=         c_pic
  52 .if ${MK_TOOLCHAIN} == "no"
  53 LDFLAGS+=       -L${LIBCDIR}
  54 .endif
  55
  56 .if ${MACHINE_CPUARCH} == "arm"
  57 # Some of the required math functions (div & mod) are implemented in
  58 # libcompiler_rt on ARM. The library also needs to be placed first to be
  59 # correctly linked. As some of the functions are used before we have
  60 # shared libraries.
  61 LIBADD+=        compiler_rt
  62 .endif
  63
  64
  65
  66 .if ${MK_SYMVER} == "yes"
  67 VERSION_DEF=    ${LIBCSRCDIR}/Versions.def
  68 SYMBOL_MAPS=    ${.CURDIR}/Symbol.map
  69 VERSION_MAP=    Version.map
  70 LDFLAGS+=       -Wl,--version-script=${VERSION_MAP}
  71
  72 .if exists(${.CURDIR}/${RTLD_ARCH}/Symbol.map)
  73 SYMBOL_MAPS+=   ${.CURDIR}/${RTLD_ARCH}/Symbol.map
  74 .endif
  75 .endif
  76
  77 .sinclude "${.CURDIR}/${RTLD_ARCH}/Makefile.inc"
  78
  79 # Since moving rtld-elf to /libexec, we need to create a symlink.
  80 # Fixup the existing binary that's there so we can symlink over it.
  81 beforeinstall:
  82 .if exists(${DESTDIR}/usr/libexec/${PROG}) && ${MK_STAGING} == "no"
  83         -chflags -h noschg ${DESTDIR}/usr/libexec/${PROG}
  84 .endif
  85
  86 .PATH: ${.CURDIR}/${RTLD_ARCH}
  87
  88 .if ${MK_TESTS} != "no"
  89 SUBDIR+=        tests
  90 .endif
  91
  92 .include <bsd.prog.mk>
  93 ${PROG_FULL}:   ${VERSION_MAP}
  94 .include <bsd.symver.mk>