HardenedBSD/libexec/rtld-elf/Makefile
2001-03-26 14:22:12 +00:00

58 lines
1.6 KiB
Makefile

# $FreeBSD$
MAINTAINER= jdp
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${.CURDIR}
LDFLAGS+= -nostdlib -e .rtld_start
INSTALLFLAGS+= -fschg -C
MLINKS= rtld.1 ld-elf.so.1.1
.if exists(${.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>
# Keep the previous version of the dynamic linker for recovery
# purposes. This must come after the include of <bsd.prog.mk> so that
# BINDIR is set for the exists(...) constructs.
beforeinstall:
.if exists(${DESTDIR}${BINDIR}/${PROG})
-chflags noschg ${DESTDIR}${BINDIR}/${PROG}
.if exists(${DESTDIR}${BINDIR}/${PROG}.old)
-chflags noschg ${DESTDIR}${BINDIR}/${PROG}.old
.endif
${INSTALL} -C -p ${DESTDIR}${BINDIR}/${PROG} \
${DESTDIR}${BINDIR}/${PROG}.old
.endif