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# $FreeBSD$
# Use the following command to build local debug version of dynamic
# linker:
# make DEBUG_FLAGS=-g DEBUG=-DDEBUG MK_TESTS=no all
.include <bsd.own.mk>
MK_SSP= no
PROG?= ld-elf.so.1
SRCS= rtld_start.S \
reloc.c rtld.c rtld_lock.c rtld_printf.c map_object.c \
malloc.c xmalloc.c debug.c libmap.c
MAN= rtld.1
CSTD?= gnu99
TOPSRCDIR= ${.CURDIR}/../..
CFLAGS+= -Wall -DFREEBSD_ELF -DIN_RTLD
CFLAGS+= -I${TOPSRCDIR}/lib/csu/common
.if exists(${.CURDIR}/${MACHINE_ARCH})
RTLD_ARCH= ${MACHINE_ARCH}
.else
RTLD_ARCH= ${MACHINE_CPUARCH}
.endif
CFLAGS+= -I${.CURDIR}/${RTLD_ARCH} -I${.CURDIR}
.if ${MACHINE_ARCH} == "powerpc64"
CFLAGS+= -mcall-aixdesc
LDFLAGS+= -nostdlib -e _rtld_start
.else
LDFLAGS+= -nostdlib -e .rtld_start
.endif
WARNS?= 2
INSTALLFLAGS= -C -b
PRECIOUSPROG=
BINDIR= /libexec
SYMLINKS= ${BINDIR}/${PROG} /usr/libexec/${PROG}
MLINKS= rtld.1 ld-elf.so.1.1 \
rtld.1 ld.so.1
.if ${MACHINE_CPUARCH} == "sparc64"
CFLAGS+= -fPIC
.else
CFLAGS+= -fpic
.endif
CFLAGS+= -DPIC $(DEBUG)
LDFLAGS+= -shared -Wl,-Bsymbolic
DPADD= ${LIBC_PIC}
LDADD= -lc_pic
.if ${MACHINE_CPUARCH} == "arm" && ${MK_ARM_EABI} != "no"
# Some of the required math functions (div & mod) are implemented in libgcc
# on ARM. The library also needs to be placed first to be correctly linked.
# As some of the functions are used before we have shared libraries.
DPADD+= ${LIBGCC}
LDADD+= -lgcc
.endif
.if ${MK_SYMVER} == "yes"
LIBCDIR= ${TOPSRCDIR}/lib/libc
VERSION_DEF= ${LIBCDIR}/Versions.def
SYMBOL_MAPS= ${.CURDIR}/Symbol.map
VERSION_MAP= Version.map
LDFLAGS+= -Wl,--version-script=${VERSION_MAP}
${PROG}: ${VERSION_MAP}
.if exists(${.CURDIR}/${RTLD_ARCH}/Symbol.map)
SYMBOL_MAPS+= ${.CURDIR}/${RTLD_ARCH}/Symbol.map
.endif
.endif
.sinclude "${.CURDIR}/${RTLD_ARCH}/Makefile.inc"
# 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})
-chflags -h noschg ${DESTDIR}/usr/libexec/${PROG}
.endif
.PATH: ${.CURDIR}/${RTLD_ARCH}
.include <bsd.symver.mk>
.include <bsd.prog.mk>
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