mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-02 19:22:47 +00:00
103 lines
2.6 KiB
Makefile
103 lines
2.6 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${_libcompat}
|
|
.endif
|
|
.endfor
|
|
SRCS= \
|
|
crtbrand.S \
|
|
rtld_start.S \
|
|
reloc.c \
|
|
rtld.c \
|
|
rtld_lock.c \
|
|
rtld_malloc.c \
|
|
rtld_printf.c \
|
|
map_object.c \
|
|
xmalloc.c \
|
|
debug.c \
|
|
libmap.c
|
|
MAN?= rtld.1
|
|
ACFLAGS+= -DLOCORE
|
|
CFLAGS+= -Wall -DFREEBSD_ELF -DIN_RTLD -ffreestanding
|
|
CFLAGS+= -I${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
|