libexec/rtld-elf/Makefile

   1 # $FreeBSD$
   2
   3 PROG=           ld-elf.so.2
   4 SRCS=           rtld_start.S \
   5                 reloc.c rtld.c rtld_lock.c rtld_printf.c map_object.c \
   6                 malloc.c xmalloc.c debug.c libmap.c
   7 MAN=            rtld.1
   8 CSTD?=          gnu99
   9 BINDIR=         /libexec
  10 SYMLINKS=       ${BINDIR}/${PROG} /usr/libexec/${PROG}
  11 WARNS?=         2
  12
  13 # To activate LD_DEBUG functionality, define ENABLE_DEBUG
  14 # e.g. make -DENABLE_DEBUG
  15
  16 # for now do not let the use of -flto
  17 .if ${CFLAGS:M-flto}
  18 CFLAGS+=        -fno-lto
  19 LDFLAGS+=       -flto
  20 .endif
  21
  22 CFLAGS+=        -DIN_RTLD
  23 CFLAGS+=        -I${.CURDIR}/${MACHINE_ARCH} -I${.CURDIR} -D__thread=
  24 CFLAGS+=        -I${.CURDIR}/../../lib/csu/common
  25 LDFLAGS+=       -nostdlib -e .rtld_start -Wl,--no-undefined
  26 INSTALLFLAGS=   -C -b
  27 .ifndef NOFSCHG
  28 INSTALLFLAGS+=  -fschg
  29 .endif
  30 MLINKS=         rtld.1 ld-elf.so.1.1
  31 MLINKS+=        rtld.1 ld-elf.so.2.1
  32 MLINKS+=        rtld.1 _rtld_functrace.3
  33
  34 .if !defined(NO_SYMVER)
  35 VERSION_DEF=    ${.CURDIR}/../../lib/libc/Versions.def
  36 SYMBOL_MAPS=    ${.CURDIR}/Symbol.map
  37 VERSION_MAP=    Version.map
  38 LDFLAGS+=       -Wl,--version-script=${VERSION_MAP}
  39
  40 rtld.c:         ${VERSION_MAP}
  41
  42 .if exists(${.CURDIR}/${MACHINE_ARCH}/Symbol.map)
  43 SYMBOL_MAPS+=   ${.CURDIR}/${MACHINE_ARCH}/Symbol.map
  44 .endif
  45 .endif
  46
  47 .if exists(${.CURDIR}/${MACHINE_ARCH}/Makefile.inc)
  48 .include "${.CURDIR}/${MACHINE_ARCH}/Makefile.inc"
  49 .endif
  50
  51 CFLAGS+=        -fpic -DPIC
  52 LDFLAGS+=       -shared -Wl,-Bsymbolic
  53 DPADD=          ${.OBJDIR}/../../lib/libc_rtld/libc_rtld_pic.a
  54 LDADD=          -L${.OBJDIR}/../../lib/libc_rtld -lc_rtld_pic
  55
  56 .ifdef ENABLE_DEBUG
  57 CFLAGS+=        -DDEBUG
  58 .endif
  59
  60 # Since moving rtld-elf to /libexec, we need to create a symlink.
  61 # Fixup the existing binary that's there so we can symlink over it.
  62 beforeinstall:
  63 .if exists(${DESTDIR}/usr/libexec/${PROG})
  64         chflags -h noschg ${DESTDIR}/usr/libexec/${PROG}
  65 .endif
  66
  67 .PATH: ${.CURDIR}/${MACHINE_ARCH}
  68
  69 .include <bsd.symver.mk>
  70 .include <bsd.prog.mk>