IABSD.fr/src/lib/libc/Makefile

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• Author : guenther
  Date : 2019-11-12 04:38:27
  Hash : a7697b13
  Message : Now that libc.so has only five PLT entries on almost all our archs, link it with -znow ok kettenis@ deraadt@ jca@

• lib/libc/Makefile

• #	$OpenBSD: Makefile,v 1.42 2019/11/12 04:38:27 guenther Exp $
  #
  # The YP functions are always in libc. To choose that getpwent() and friends
  # actually call the YP functions, put -DYP on the CFLAGS line below.
  
  .include <bsd.own.mk>
  
  LIB=c
  LIBREBUILD=y
  CLEANFILES+=tags Symbols.map
  CFLAGS+=-Wimplicit
  #CFLAGS+=-Werror
  LDADD=-nostdlib
  .if ${COMPILER_VERSION:L} == "clang"
  LDADD+=-lcompiler_rt
  .else
  LDADD+=-lgcc
  .endif
  LDADD+=-Wl,-zinitfirst,-znow
  
  VERSION_SCRIPT=	Symbols.map
  SYMBOL_LISTS=	${LIBCSRCDIR}/Symbols.list \
  		${LIBCSRCDIR}/arch/${MACHINE_CPU}/Symbols.list
  
  
  LIBCSRCDIR=${.CURDIR}
  .include "${LIBCSRCDIR}/Makefile.inc"
  
  all: tags
  tags: ${SRCS}
  	ctags -w ${.ALLSRC:M*.c}
  	egrep "^SYSENTRY(.*)|^ENTRY(.*)|^FUNC(.*)|^SYSCALL(.*)" \
  	    /dev/null ${.ALLSRC:M*.S} | \
  	    sed "s;\([^:]*\):\([^(]*\)(\([^, )]*\)\(.*\);\3	\1	/^\2(\3\4$$/;" \
  	    >> tags; sort -o tags tags
  
  beforeinstall:
  	${INSTALL} ${INSTALL_COPY} -o ${BINOWN} -g ${BINGRP} -m 444 tags \
  		${DESTDIR}/var/db/lib${LIB}.tags
  
  ${VERSION_SCRIPT}: ${SYMBOL_LISTS}
  	{ printf '{\n\tglobal:\n'; \
  	  sed '/^[._a-zA-Z]/s/$$/;/; s/^/		/' ${SYMBOL_LISTS}; \
  	  printf '\n\tlocal:\n\t\t*;\n};\n'; } >$@.tmp && mv $@.tmp $@
  
  .include <bsd.lib.mk>