freebsd-dev/libexec/rtld-elf/Makefile
Matthew N. Dodd 29ade36225 Dynamic object dependency mapping: libmap.
This is an optional feature, disabled by default.

This will be useful to people testing the various POSIX threading
libraries under -CURRENT but can easily serve other needs.
2003-04-07 16:21:26 +00:00

54 lines
1.3 KiB
Makefile

# $FreeBSD$
PROG= ld-elf.so.1
SRCS= rtld_start.S rtld.c lockdflt.c map_object.c malloc.c \
xmalloc.c debug.c reloc.c
MAN= rtld.1
CFLAGS+= -Wall -DFREEBSD_ELF -I${.CURDIR}/${MACHINE_ARCH} -I${.CURDIR}
LDFLAGS+= -nostdlib -e .rtld_start
INSTALLFLAGS= -fschg -C -b
MLINKS= rtld.1 ld-elf.so.1.1 \
rtld.1 ld.so.1
#
# To enable the libmap.conf functionality please
# add 'WITH_LIBMAP=yes' to /etc/make.conf, recompile
# and reinstall rtld-elf.
.ifdef WITH_LIBMAP
CFLAGS+= -DWITH_LIBMAP
SRCS+= libmap.c
.endif
.if exists(${.CURDIR}/${MACHINE_ARCH}/Makefile.inc)
.include "${.CURDIR}/${MACHINE_ARCH}/Makefile.inc"
.endif
# If LDSCRIPT is defined, we build the dynamic linker as an
# executable. Otherwise we build it as a shared object. We ignore
# LDSCRIPT if the running kernel is too old to support it.
.if defined(LDSCRIPT)
KERN_OSRELDATE!= /sbin/sysctl -n kern.osreldate 2>/dev/null || echo 0
.if ${KERN_OSRELDATE} >= 400001
LDSO_IS_EXECUTABLE= yes
.endif
.endif
.ifdef LDSO_IS_EXECUTABLE
OBJS+= dyn_hack.so
LDFLAGS+= -Wl,-T,${LDSCRIPT} -Wl,-E -Wl,-Bstatic
DPADD= ${LIBC}
LDADD= -lc
.else
CFLAGS+= -fpic -DPIC
LDFLAGS+= -shared -Wl,-Bsymbolic
DPADD= ${LIBC_PIC}
LDADD= -lc_pic
.endif
dyn_hack.so:
${CC} -shared -nostdlib -o dyn_hack.so -x c /dev/null
.PATH: ${.CURDIR}/${MACHINE_ARCH}
.include <bsd.prog.mk>