mirror of
https://github.com/opnsense/src.git
synced 2026-03-12 05:32:15 -04:00
a697425ccc
This was originally used (along with FREEBSD_AOUT) to prefer the use
of ELF in various tools instead of a.out as part of the a.out to ELF
transition in the 3.x days. The last use of it was removed from
<link.h> in commit 66422f5b7a back in
2002, but various files still #define it.
Reviewed by: kevans, imp, emaste
Sponsored by: DARPA
Differential Revision: https://reviews.freebsd.org/D42964
(cherry picked from commit 4a3cf5f329d69076aa9d093d596eb0ee82d917f5)
102 lines
2.5 KiB
Makefile
102 lines
2.5 KiB
Makefile
|
|
# Use the following command to build local debug version of dynamic
|
|
# linker:
|
|
# make DEBUG_FLAGS=-g WITHOUT_TESTS=yes all
|
|
|
|
RTLD_ELF_DIR:= ${.PARSEDIR}
|
|
|
|
.include <src.opts.mk>
|
|
PACKAGE= clibs
|
|
MK_PIE= no # Always position independent using local rules
|
|
# Not compatible with sanitizer instrumentation or SSP.
|
|
MK_ASAN= no
|
|
MK_SSP= no
|
|
MK_UBSAN= no
|
|
|
|
.include <bsd.compat.pre.mk>
|
|
|
|
.if !defined(NEED_COMPAT)
|
|
CONFS= libmap.conf
|
|
.endif
|
|
PROG?= ld-elf.so.1
|
|
.for _libcompat in ${_ALL_libcompats}
|
|
.if ${PROG:M*ld-elf${_libcompat}[-.]*} != ""
|
|
TAGS+= lib${_libcompat}
|
|
.endif
|
|
.endfor
|
|
SRCS= \
|
|
crtbrand.S \
|
|
rtld_start.S \
|
|
reloc.c \
|
|
rtld.c \
|
|
rtld_lock.c \
|
|
rtld_malloc.c \
|
|
rtld_printf.c \
|
|
map_object.c \
|
|
xmalloc.c \
|
|
debug.c \
|
|
libmap.c
|
|
MAN?= rtld.1
|
|
ACFLAGS+= -DLOCORE
|
|
CFLAGS+= -Wall -DIN_RTLD -ffreestanding
|
|
CFLAGS+= -I${SRCTOP}/lib/csu/common
|
|
.if exists(${RTLD_ELF_DIR}/${MACHINE_ARCH:S/powerpc64le/powerpc64/})
|
|
RTLD_ARCH= ${MACHINE_ARCH:S/powerpc64le/powerpc64/}
|
|
.else
|
|
RTLD_ARCH= ${MACHINE_CPUARCH}
|
|
.endif
|
|
CFLAGS+= -I${RTLD_ELF_DIR}/${RTLD_ARCH} -I${RTLD_ELF_DIR}
|
|
|
|
NO_WCAST_ALIGN= yes
|
|
INSTALLFLAGS= -C -b
|
|
PRECIOUSPROG=
|
|
BINDIR= /libexec
|
|
SYMLINKS= ../..${BINDIR}/${PROG} ${LIBEXECDIR}/${PROG}
|
|
MLINKS?= rtld.1 ld-elf.so.1.1 \
|
|
rtld.1 ld.so.1
|
|
|
|
CFLAGS+= -fpic -DPIC $(DEBUG)
|
|
|
|
LDFLAGS+= -shared -Wl,-Bsymbolic -Wl,-z,defs -nostdlib -e ${RTLD_ENTRY}
|
|
# Pull in the dependencies that we use from libc
|
|
.include "rtld-libc/Makefile.inc"
|
|
|
|
VERSION_DEF= ${LIBCSRCDIR}/Versions.def
|
|
SYMBOL_MAPS= ${RTLD_ELF_DIR}/Symbol.map
|
|
VERSION_MAP= Version.map
|
|
LDFLAGS+= -Wl,--version-script=${VERSION_MAP}
|
|
|
|
.if exists(${RTLD_ELF_DIR}/${RTLD_ARCH}/Symbol.map)
|
|
SYMBOL_MAPS+= ${RTLD_ELF_DIR}/${RTLD_ARCH}/Symbol.map
|
|
.endif
|
|
|
|
.sinclude "${RTLD_ELF_DIR}/${RTLD_ARCH}/Makefile.inc"
|
|
RTLD_ENTRY?= .rtld_start
|
|
|
|
# Since moving rtld-elf to /libexec, we need to create a symlink.
|
|
# Fixup the existing binary that's there so we can symlink over it.
|
|
beforeinstall:
|
|
.if exists(${DESTDIR}/usr/libexec/${PROG}) && ${MK_STAGING} == "no"
|
|
-chflags -h noschg ${DESTDIR}/usr/libexec/${PROG}
|
|
.endif
|
|
|
|
.PATH: ${RTLD_ELF_DIR}/${RTLD_ARCH} ${SRCTOP}/lib/csu/common
|
|
|
|
.if ${.CURDIR} == ${RTLD_ELF_DIR}
|
|
HAS_TESTS=
|
|
SUBDIR.${MK_TESTS}+= tests
|
|
.endif
|
|
|
|
# Some of the required math functions (div & mod) are implemented in
|
|
# libcompiler_rt on some architectures.
|
|
LIBADD+= compiler_rt
|
|
|
|
.include <bsd.prog.mk>
|
|
${PROG_FULL}: ${VERSION_MAP}
|
|
.include <bsd.symver.mk>
|
|
|
|
.if ${COMPILER_TYPE} == "gcc"
|
|
# GCC warns about redeclarations even though they have __exported
|
|
# and are therefore not identical to the ones from the system headers.
|
|
CFLAGS+= -Wno-redundant-decls
|
|
.endif
|