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