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File: [cvs.NetBSD.org] / src / libexec / ld.elf_so / Makefile (download)

Revision 1.110, Fri Oct 7 09:15:21 2011 UTC (12 years, 6 months ago) by mrg
Branch: MAIN
CVS Tags: yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, matt-nb6-plus-nbase, matt-nb6-plus-base
Branch point for: yamt-pagecache, matt-nb6-plus
Changes since 1.109: +3 -3 lines

obsolete libgcc_pic and friends.  all libgcc's are supposed to be pic
for platforms with shlibs already (and are.)

this obsoletes our hacks for the libgcc specs to use libgcc_pic, and
fixes a couple of other issues reported to me directly.

#	$NetBSD: Makefile,v 1.110 2011/10/07 09:15:21 mrg Exp $
#
# NOTE: when changing ld.so, ensure that ldd still compiles.
#

WARNS?=4

# This needs to be before bsd.init.mk
.if defined(BSD_MK_COMPAT_FILE)
.include <${BSD_MK_COMPAT_FILE}>
.endif

# We are not building this with PIE
PIE_CFLAGS=
PIE_LDFLAGS=
.include <bsd.init.mk>			# for MKPIC definition
.include <bsd.shlib.mk>			# for SHLINKINSTALLDIR definition

.if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \
    exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU})
ARCHSUBDIR=	${LDELFSO_MACHINE_CPU}
.else
ARCHSUBDIR=	${MACHINE_CPU}
.endif
M=		${.CURDIR}/arch/${ARCHSUBDIR}

.if ((${MACHINE_ARCH} == "alpha") ||					\
     (${MACHINE_CPU} == "arm") ||					\
     (${MACHINE_ARCH} == "hppa") ||					\
     (${MACHINE_ARCH} == "i386") ||					\
     (${MACHINE_ARCH} == "m68k") ||					\
     (${MACHINE_CPU} == "mips") ||					\
     (${MACHINE_ARCH} == "powerpc") ||					\
     (${MACHINE_CPU} == "sh3") ||					\
     (${MACHINE_ARCH} == "sparc") ||					\
     (${MACHINE_ARCH} == "sparc64") ||					\
     (${MACHINE_ARCH} == "x86_64") ||					\
     (${MACHINE_ARCH} == "vax")) &&					\
    ${MKPIC} != "no"

LDFLAGS+=	${${ACTIVE_CC} == "clang":? -Wl,-Bsymbolic : -symbolic} \
		-shared -nostartfiles -nodefaultlibs
LDFLAGS+=	-Wl,-static
LDFLAGS+=	-Wl,--warn-shared-textrel

CFLAGS+=	-fvisibility=hidden

# Adds SRCS, CPPFLAGS, LDFLAGS, etc.  Must go first so MD startup source
# is first.
.if exists($M/Makefile.inc)
.include "$M/Makefile.inc"
.endif

# Support compat ld.elf_so.
.if defined(MLIBDIR)
PROG=		ld.elf_so-${MLIBDIR}
CPPFLAGS+=	-DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\"
.else
PROG=		ld.elf_so
.endif

CLIBOBJ!=	cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR}

SRCS+=		rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \
		map_object.c load.c search.c headers.c paths.c expand.c \
		tls.c symver.c

.if ${USE_FORT} == "yes"
.PATH.c: ${NETBSDSRCDIR}/lib/libc/misc
SRCS+=		stack_protector.c
.endif

.PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib
SRCS+=		exit.c

errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h
	${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \
	mv -f ${.TARGET}.tmp ${.TARGET}

xprintf.c: errlist_concat.h

CLEANFILES+=	errlist_concat.h

BINDIR=		${SHLINKINSTALLDIR}

CPPFLAGS+=	-DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\"
CPPFLAGS+=	-I${.CURDIR} -I.
CPPFLAGS+=	-DRTLD_LOADER
CPPFLAGS+=	-D_RTLD_SOURCE
CPPFLAGS+=	-DCOMBRELOC
#CPPFLAGS+=	-DDEBUG
#CPPFLAGS+=	-DRTLD_DEBUG
#CPPFLAGS+=	-DRTLD_DEBUG_RELOC
#DBG=		-g
DBG=		-O3 -fomit-frame-pointer

.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "x86_64"
DBG+=		-mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3
.endif


.if ${SHLIBDIR} != ${LIBDIR}
CPPFLAGS+=	-DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\"
.endif

# rtld.c and symbol.c use alloca, so disable SSP warnings.
COPTS.rtld.c+=	-Wno-stack-protector
COPTS.symbol.c+=-Wno-stack-protector

LDADD+=		-L${CLIBOBJ} -L${DESTDIR}${LIBDIR}
.if ${MKPICLIB} != "no"
LDADD+=		-lc_pic
.if ${MKPICINSTALL} != "no"
DPADD+=		${LIBC_PIC}
.endif
DPADD+=		${CLIBOBJ}/libc_pic.a
.else
LDADD+=		-lc
DPADD+=		${CLIBOBJ}/libc.a
.endif

.if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3"
# for $$divU, $$remU etc. (millicode)
LDADD+=		-lgcc
DPADD+=		${LIBGCC}
.endif

STRIPFLAG=

.PATH: $M

${PROG}: ${OBJS} ${DPADD}
	${_MKMSG_LINK} ${PROG}
	${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD}

.if ${SHLINKINSTALLDIR} != "/usr/libexec"
SYMLINKS+=	${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG}
.endif

.include <bsd.prog.mk>
.else

MAN=		ld.elf_so.1

.include <bsd.man.mk>
.endif