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 WITHOUT_TESTS=yes all
   6
   7 .include <src.opts.mk>
   8 PACKAGE=        clibs
   9 MK_SSP=         no
  10
  11 CONFS=          libmap.conf
  12 PROG?=          ld-elf.so.1
  13 .if (${PROG:M*ld-elf32*} != "")
  14 TAGS+=          lib32
  15 .endif
  16 SRCS=           rtld_start.S \
  17                 reloc.c rtld.c rtld_lock.c rtld_printf.c map_object.c \
  18                 malloc.c xmalloc.c debug.c libmap.c
  19 MAN=            rtld.1
  20 CSTD?=          gnu99
  21 CFLAGS+=        -Wall -DFREEBSD_ELF -DIN_RTLD -ffreestanding
  22 CFLAGS+=        -I${SRCTOP}/lib/csu/common
  23 .if exists(${.CURDIR}/${MACHINE_ARCH})
  24 RTLD_ARCH=      ${MACHINE_ARCH}
  25 .else
  26 RTLD_ARCH=      ${MACHINE_CPUARCH}
  27 .endif
  28 CFLAGS+=        -I${.CURDIR}/${RTLD_ARCH} -I${.CURDIR}
  29 .if ${MACHINE_ARCH} == "powerpc64"
  30 LDFLAGS+=       -nostdlib -e _rtld_start
  31 .else
  32 LDFLAGS+=       -nostdlib -e .rtld_start
  33 .endif
  34 WARNS?=         2
  35 INSTALLFLAGS=   -C -b
  36 PRECIOUSPROG=
  37 BINDIR=         /libexec
  38 SYMLINKS=       ../..${BINDIR}/${PROG} ${LIBEXECDIR}/${PROG}
  39 MLINKS=         rtld.1 ld-elf.so.1.1 \
  40                 rtld.1 ld.so.1
  41
  42 .if ${MACHINE_CPUARCH} == "sparc64"
  43 CFLAGS+=        -fPIC
  44 .else
  45 CFLAGS+=        -fpic
  46 .endif
  47 CFLAGS+=        -DPIC $(DEBUG)
  48 .if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
  49 CFLAGS+=        -fvisibility=hidden
  50 .endif
  51 .if ${MACHINE_CPUARCH} == "mips"
  52 CFLAGS.reloc.c+=-fno-jump-tables
  53 .endif
  54 LDFLAGS+=       -shared -Wl,-Bsymbolic -Wl,-z,defs
  55 LIBADD=         c_nossp_pic
  56 .if ${MK_TOOLCHAIN} == "no"
  57 LDFLAGS+=       -L${LIBCDIR}
  58 .endif
  59
  60 .if ${MACHINE_CPUARCH} == "arm"
  61 # Some of the required math functions (div & mod) are implemented in
  62 # libcompiler_rt on ARM. The library also needs to be placed first to be
  63 # correctly linked. As some of the functions are used before we have
  64 # shared libraries.
  65 LIBADD+=        compiler_rt
  66 .endif
  67
  68
  69
  70 .if ${MK_SYMVER} == "yes"
  71 VERSION_DEF=    ${LIBCSRCDIR}/Versions.def
  72 SYMBOL_MAPS=    ${.CURDIR}/Symbol.map
  73 VERSION_MAP=    Version.map
  74 LDFLAGS+=       -Wl,--version-script=${VERSION_MAP}
  75
  76 .if exists(${.CURDIR}/${RTLD_ARCH}/Symbol.map)
  77 SYMBOL_MAPS+=   ${.CURDIR}/${RTLD_ARCH}/Symbol.map
  78 .endif
  79 .endif
  80
  81 .sinclude "${.CURDIR}/${RTLD_ARCH}/Makefile.inc"
  82
  83 # Since moving rtld-elf to /libexec, we need to create a symlink.
  84 # Fixup the existing binary that's there so we can symlink over it.
  85 beforeinstall:
  86 .if exists(${DESTDIR}/usr/libexec/${PROG}) && ${MK_STAGING} == "no"
  87         -chflags -h noschg ${DESTDIR}/usr/libexec/${PROG}
  88 .endif
  89
  90 .PATH: ${.CURDIR}/${RTLD_ARCH}
  91
  92 HAS_TESTS=
  93 SUBDIR.${MK_TESTS}+= tests
  94
  95 .include <bsd.prog.mk>
  96 ${PROG_FULL}:   ${VERSION_MAP}
  97 .include <bsd.symver.mk>