IABSD.fr/src/libexec/ld.so/Makefile

Branch : - branch - master - tag -

• Show log

  Commit

• Author : deraadt
  Date : 2019-12-02 17:19:25
  Hash : 93a664f2
  Message : It is not always clear what ld.so was backed up to ld.so.backup, and better that folk doing development in here use their own cp tooling.

• libexec/ld.so/Makefile

• #	$OpenBSD: Makefile,v 1.80 2019/12/02 17:19:25 deraadt Exp $
  
  SUBDIR=ldconfig ldd
  MAN=	ld.so.1
  
  .include <bsd.own.mk>
  
  .if defined(NOPIC)
  NOPROG=
  .else
  PROG=	ld.so
  BINMODE=444
  
  VERSION_SCRIPT=	${.CURDIR}/Symbols.map
  ELF_LDFLAGS+=--version-script=${VERSION_SCRIPT}
  
  VPATH=${.CURDIR}/../../lib/libc/string
  
  .if exists(${.CURDIR}/${MACHINE_CPU}/boot_md.c)
  BOOT = boot_md.c
  .else
  BOOT = boot.c
  .endif
  
  SRCS=	ldasm.S ${BOOT} loader.c resolve.c dlfcn.c dl_printf.c rtld_machine.c
  SRCS+=	path.c util.c sod.c strsep.c strtol.c dir.c library_subr.c
  SRCS+=	dl_uname.c dl_dirname.c strlcat.c strlen.c trace.c
  SRCS+=	malloc.c reallocarray.c tib.c ffs.c
  
  syscall=__syscall close exit fstat getdents getentropy getthrid issetugid \
  	mprotect munmap msyscall open pledge read __realpath sendsyslog \
  	__set_tcb sysctl thrkill utrace write
  
  GEN_PREFIX=\t.file "${@:R}.c"\n\#include "SYS.h"
  .for _i in ${syscall}
  OBJS+=dl_${_i}.o
  dl_${_i}.o: SYS.h
  	printf '${GEN_PREFIX}\nDL_SYSCALL(${_i})\n' | \
  	    ${CC} ${DEBUG} -c -fPIC ${CFLAGS:M-[ID]*} ${CFLAGS:M-pipe} ${AINC} -P \
  	    -x assembler-with-cpp - ${DFLAGS} -MF ${.TARGET:R}.d -o ${.TARGET}
  .endfor
  
  .if (${MACHINE_ARCH} == "i386")
  SRCS+=	library_mquery.c
  .else
  SRCS+=	library.c
  .endif
  
  .include "${.CURDIR}/${MACHINE_CPU}/Makefile.inc"
  .PATH:	${.CURDIR}/${MACHINE_CPU}
  
  .ifdef LD_SCRIPT
   ELF_LDFLAGS+=-T ${LD_SCRIPT}
   CFLAGS	+= -DDO_CLEAN_BOOT
  .endif
  
  DEBUG?=	-g
  CFLAGS += -fno-builtin
  CFLAGS += -Wall -Werror
  CFLAGS += -I${.CURDIR} -I${.CURDIR}/${MACHINE_CPU} \
  	-D'DEF_WEAK(x)=asm("")' -D'DEF_STRONG(x)=asm("")' \
  	-Dstrsep=_dl_strsep -Dstrlcat=_dl_strlcat -Dstrlen=_dl_strlen
  CDIAGFLAGS=
  INSTALL_STRIP=
  
  ELF_LDFLAGS+=--shared -Bsymbolic --no-undefined
  
  .ifdef	RELATIVE_RELOC
  CHECK_LDSO=c() {					\
  	! readelf -Wr $$1 |				\
  	  egrep -qv '^($$|[ R])| (${RELATIVE_RELOC}) ';	\
  	}; c
  .endif
  
  test_prog=	test-$(PROG)
  CLEANFILES+=	test-$(PROG)
  candidate=	$(PROG).test
  CLEANFILES+=	${candidate}
  
  $(test_prog):
  	printf '#include <stdio.h>\n#include <pthread.h>\nint main(int argc, char **argv){ pthread_attr_t attr; printf("%%s: ", argv[0]); pthread_attr_init(&attr); printf("%%s!\\n", argv[1] ? argv[1] : "foo"); }\n' | \
  	$(CC) -P -x c - -Wl,-dynamic-linker,./$(candidate) -o $@ -lpthread
  
  $(PROG): $(test_prog) ${VERSION_SCRIPT} $(OBJS) ${LD_SCRIPT}
  .if defined(SYSPATCH_PATH)
  	$(LD) -e _dl_start $(ELF_LDFLAGS) -o $(candidate) \
              `readelf -Ws ${SYSPATCH_PATH}/usr/libexec/${.TARGET} | \
              awk '/ FILE/{sub(".*/", "", $$NF); gsub(/\..*/, ".o", $$NF); print $$NF}' | \
              awk '!x[$$0]++'`
  .else
  	$(LD) -e _dl_start $(ELF_LDFLAGS) -o $(candidate) \
  	    `echo ${OBJS} | tr " " "\n" | sort -R`
  .endif
  .ifdef	CHECK_LDSO
  	${CHECK_LDSO} $(candidate)
  .endif
  .ifndef CROSSDIR
  	ulimit -c 0; [ "`${.OBJDIR}/$(test_prog) ok`" = "${.OBJDIR}/$(test_prog): ok!" ]
  .endif
  	cp $(candidate) $@
  .endif
  
  .include <bsd.prog.mk>
  
  ${BOOT:R}.o: ${BOOT}
  	${COMPILE.c} -fno-stack-protector ${.IMPSRC}
  
  CLEANFILES+=	ld.so.a
  
  all: ld.so.a
  
  ld.so.a: ${OBJS} ${.CURDIR}/Symbols.map ${test_prog} ${LD_SCRIPT}
  	ar cqD $@ $?
  
  afterinstall: ld.so.a
  	install -d -o root -g wheel -m 755 \
  	    ${DESTDIR}/usr/share/relink/usr/libexec
  	install -o ${BINOWN} -g ${BINGRP} -m ${NONBINMODE} \
  	    ld.so.a ${DESTDIR}/usr/share/relink/usr/libexec/ld.so.a