157 lines
3.9 KiB
Makefile
157 lines
3.9 KiB
Makefile
# $NetBSD: Makefile,v 1.114 2012/08/23 21:21:15 joerg Exp $
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#
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# NOTE: when changing ld.so, ensure that ldd still compiles.
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#
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USE_BITCODE=no
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WARNS?=4
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# Minix Clang binaries references /libexec/ld.elf_so
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SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /libexec/ld.elf_so
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# And the minix gcc currently references /libexec/ld-elf.so.1
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SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /libexec/ld-elf.so.1
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# This needs to be before bsd.init.mk
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.if defined(BSD_MK_COMPAT_FILE)
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.include <${BSD_MK_COMPAT_FILE}>
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.endif
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# We are not building this with PIE
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PIE_CFLAGS=
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PIE_LDFLAGS=
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.include <bsd.init.mk> # for MKPIC definition
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.include <bsd.shlib.mk> # for SHLINKINSTALLDIR definition
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.if defined(LDELFSO_MACHINE_CPU) && !empty(LDELFSO_MACHINE_CPU) && \
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exists(${.CURDIR}/arch/${LDELFSO_MACHINE_CPU})
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ARCHSUBDIR= ${LDELFSO_MACHINE_CPU}
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.else
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ARCHSUBDIR= ${MACHINE_CPU}
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.endif
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M= ${.CURDIR}/arch/${ARCHSUBDIR}
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.if ((${MACHINE_ARCH} == "alpha") || \
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(${MACHINE_CPU} == "arm") || \
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(${MACHINE_ARCH} == "hppa") || \
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(${MACHINE_ARCH} == "i386") || \
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(${MACHINE_ARCH} == "m68k") || \
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(${MACHINE_CPU} == "mips") || \
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(${MACHINE_ARCH} == "powerpc") || \
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(${MACHINE_CPU} == "sh3") || \
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(${MACHINE_ARCH} == "sparc") || \
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(${MACHINE_ARCH} == "sparc64") || \
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(${MACHINE_ARCH} == "x86_64") || \
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(${MACHINE_ARCH} == "vax")) && \
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${MKPIC} != "no"
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LDFLAGS+= ${${ACTIVE_CC} == "clang":? -Wl,-Bsymbolic : -symbolic} \
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-shared -nostartfiles -nodefaultlibs
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.if defined(__MINIX) && ${HAVE_GOLD:U} != ""
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LDFLAGS+= -Wl,--script ${LDS_SHARED_LIB}
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.else
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LDFLAGS+= -Wl,-static
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.endif
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LDFLAGS+= -Wl,--warn-shared-textrel
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COPTS+= -fvisibility=hidden
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# Adds SRCS, CPPFLAGS, LDFLAGS, etc. Must go first so MD startup source
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# is first.
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.if exists($M/Makefile.inc)
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.include "$M/Makefile.inc"
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.endif
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# Support compat ld.elf_so.
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.if defined(MLIBDIR)
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PROG= ld.elf_so-${MLIBDIR}
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CPPFLAGS+= -DRTLD_ARCH_SUBDIR=\"${MLIBDIR}\"
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.else
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PROG= ld.elf_so
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.endif
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CLIBOBJ!= cd ${NETBSDSRCDIR}/lib/libc && ${PRINTOBJDIR}
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SRCS+= rtld.c reloc.c symbol.c xmalloc.c xprintf.c debug.c \
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map_object.c load.c search.c headers.c paths.c expand.c \
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tls.c symver.c diagassert.c map_object_fallback.c
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.if ${USE_FORT} == "yes"
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.PATH.c: ${NETBSDSRCDIR}/lib/libc/misc
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SRCS+= stack_protector.c
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.endif
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.PATH.c: ${NETBSDSRCDIR}/lib/libc/stdlib
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SRCS+= exit.c
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errlist_concat.h: ${NETBSDSRCDIR}/lib/libc/gen/errlist.awk ${NETBSDSRCDIR}/sys/sys/errno.h
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${TOOL_AWK} -v concat=1 -f ${.ALLSRC} > ${.TARGET}.tmp && \
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mv -f ${.TARGET}.tmp ${.TARGET}
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xprintf.c: errlist_concat.h
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CLEANFILES+= errlist_concat.h
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BINDIR= ${SHLINKINSTALLDIR}
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CPPFLAGS+= -DLIBDIR=\"${LIBDIR}\" -D_PATH_RTLD=\"${BINDIR}/${PROG}\"
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CPPFLAGS+= -I${.CURDIR} -I.
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CPPFLAGS+= -DRTLD_LOADER
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CPPFLAGS+= -D_RTLD_SOURCE
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CPPFLAGS+= -DCOMBRELOC
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#CPPFLAGS+= -DDEBUG
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#CPPFLAGS+= -DRTLD_DEBUG
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#CPPFLAGS+= -DRTLD_DEBUG_RELOC
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#DBG= -g
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COPTS= -O3 -fomit-frame-pointer
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.if ${MACHINE_ARCH} == "i386" || ${MACHINE_ARCH} == "x86_64"
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COPTS+= -mno-3dnow -mno-mmx -mno-sse -mno-sse2 -mno-sse3
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.endif
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.if ${SHLIBDIR} != ${LIBDIR}
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CPPFLAGS+= -DRTLD_DEFAULT_LIBRARY_PATH=\"${SHLIBDIR}:${LIBDIR}\"
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.endif
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# rtld.c and symbol.c use alloca, so disable SSP warnings.
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COPTS.rtld.c+= -Wno-stack-protector
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COPTS.symbol.c+=-Wno-stack-protector
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LDADD+= -L${CLIBOBJ} -L${DESTDIR}${LIBDIR}
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.if ${MKPICLIB} != "no"
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LDADD+= -lc_pic
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.if ${MKPICINSTALL} != "no"
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DPADD+= ${LIBC_PIC}
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.endif
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DPADD+= ${CLIBOBJ}/libc_pic.a
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.else
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LDADD+= -lc
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DPADD+= ${CLIBOBJ}/libc.a
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.endif
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.if ${MACHINE_CPU} == "hppa" || ${MACHINE_CPU} == "sh3"
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# for $$divU, $$remU etc. (millicode)
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LDADD+= -lgcc
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DPADD+= ${LIBGCC}
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.endif
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STRIPFLAG=
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.PATH: $M
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${PROG}: ${OBJS} ${DPADD}
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${_MKMSG_LINK} ${PROG}
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${CC} ${LDFLAGS} -o ${PROG} ${OBJS} ${LDADD}
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.if ${SHLINKINSTALLDIR} != "/usr/libexec"
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SYMLINKS+= ${SHLINKINSTALLDIR}/${PROG} /usr/libexec/${PROG}
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.endif
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.include <bsd.prog.mk>
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.else
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MAN= ld.elf_so.1
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.include <bsd.man.mk>
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.endif
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