libexec/rtld-elf/Makefile

   1 # $FreeBSD$
   2
   3 PROG?=          ld-elf.so.1
   4 SRCS=           rtld_start.S \
   5                 reloc.c rtld.c rtld_lock.c map_object.c \
   6                 malloc.c xmalloc.c debug.c libmap.c
   7 MAN=            rtld.1
   8 CSTD?=          gnu99
   9 CFLAGS+=        -Wall -DFREEBSD_ELF -DIN_RTLD
  10 CFLAGS+=        -I${.CURDIR}/${MACHINE_ARCH} -I${.CURDIR}
  11 LDFLAGS+=       -nostdlib -e .rtld_start
  12 INSTALLFLAGS=   -C -b
  13 PRECIOUSPROG=
  14 BINDIR=         /libexec
  15 SYMLINKS=       ${BINDIR}/${PROG} /usr/libexec/${PROG}
  16 MLINKS=         rtld.1 ld-elf.so.1.1 \
  17                 rtld.1 ld.so.1
  18
  19 .if exists(${.CURDIR}/${MACHINE_ARCH}/Makefile.inc)
  20 .include "${.CURDIR}/${MACHINE_ARCH}/Makefile.inc"
  21 .endif
  22
  23 # If LDSCRIPT is defined, we build the dynamic linker as an
  24 # executable.  Otherwise we build it as a shared object.  We ignore
  25 # LDSCRIPT if the running kernel is too old to support it.
  26 .if defined(LDSCRIPT)
  27 KERN_OSRELDATE!=        /sbin/sysctl -n kern.osreldate 2>/dev/null || echo 0
  28 .if ${KERN_OSRELDATE} >= 400001
  29 LDSO_IS_EXECUTABLE=
  30 .endif
  31 .endif
  32
  33 .ifdef LDSO_IS_EXECUTABLE
  34 OBJS+=          dyn_hack.so
  35 LDFLAGS+=       -Wl,-T,${LDSCRIPT} -Wl,-E -Wl,-Bstatic
  36 DPADD=          ${LIBC}
  37 LDADD=          -lc
  38 .else
  39 CFLAGS+=        -fpic -DPIC
  40 LDFLAGS+=       -shared -Wl,-Bsymbolic
  41 DPADD=          ${LIBC_PIC}
  42 LDADD=          -lc_pic
  43 .endif
  44
  45 dyn_hack.so:
  46         ${CC} -shared -nostdlib -o dyn_hack.so -x c /dev/null
  47
  48 # Since moving rtld-elf to /libexec, we need to create a symlink.
  49 # Fixup the existing binary that's there so we can symlink over it.
  50 beforeinstall:
  51 .if exists(${DESTDIR}/usr/libexec/${PROG})
  52         -chflags noschg ${DESTDIR}/usr/libexec/${PROG}
  53 .endif
  54
  55 .PATH: ${.CURDIR}/${MACHINE_ARCH}
  56
  57 .include <bsd.prog.mk>