76479f1d3f
Makefiles should not assume that source files can be overwritten. This is the common case for Perforce source trees. This is a followup commit to r211243 in the same vein. MFC after: 1 month Sponsored by: Spectra Logic MFSpectraBSD: r1036319 on 2014/01/29, r1046711 on 2014/03/06
173 lines
5.3 KiB
Makefile
173 lines
5.3 KiB
Makefile
# @(#)Makefile 8.2 (Berkeley) 2/3/94
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# $FreeBSD$
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SHLIBDIR?= /lib
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.include <src.opts.mk>
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LIBC_SRCTOP?= ${.CURDIR}
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# Pick the current architecture directory for libc. In general, this is
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# named MACHINE_CPUARCH, but some ABIs are different enough to require
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# their own libc, so allow a directory named MACHINE_ARCH to override this.
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.if exists(${LIBC_SRCTOP}/${MACHINE_ARCH})
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LIBC_ARCH=${MACHINE_ARCH}
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.else
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LIBC_ARCH=${MACHINE_CPUARCH}
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.endif
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# All library objects contain FreeBSD revision strings by default; they may be
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# excluded as a space-saving measure. To produce a library that does
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# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS
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# below. Note: there are no IDs for syscall stubs whose sources are generated.
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# To include legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS
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# to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs.
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LIB=c
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SHLIB_MAJOR= 7
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SHLIB_LDSCRIPT=libc.ldscript
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WARNS?= 2
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CFLAGS+=-I${LIBC_SRCTOP}/include -I${LIBC_SRCTOP}/../../include
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CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH}
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.if ${MK_NLS} != "no"
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CFLAGS+=-DNLS
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.endif
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CLEANFILES+=tags
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INSTALL_PIC_ARCHIVE=
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PRECIOUSLIB=
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.ifndef NO_THREAD_STACK_UNWIND
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CANCELPOINTS_CFLAGS=-fexceptions
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CFLAGS+=${CANCELPOINTS_CFLAGS}
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.endif
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#
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# Link with static libcompiler_rt.a.
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#
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DPADD+= ${LIBCOMPILER_RT}
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LDFLAGS+= -nodefaultlibs
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LDADD+= -lcompiler_rt
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.if ${MK_SSP} != "no"
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DPADD+= ${LIBSSP_NONSHARED}
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LDADD+= -lssp_nonshared
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.endif
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# Extras that live in either libc.a or libc_nonshared.a
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LIBC_NONSHARED_SRCS=
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# Define (empty) variables so that make doesn't give substitution
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# errors if the included makefiles don't change these:
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MDSRCS=
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MISRCS=
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MDASM=
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MIASM=
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NOASM=
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.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc"
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.include "${LIBC_SRCTOP}/db/Makefile.inc"
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.include "${LIBC_SRCTOP}/compat-43/Makefile.inc"
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.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc"
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.include "${LIBC_SRCTOP}/gen/Makefile.inc"
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.include "${LIBC_SRCTOP}/gmon/Makefile.inc"
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.if ${MK_ICONV} != "no"
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.include "${LIBC_SRCTOP}/iconv/Makefile.inc"
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.endif
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.include "${LIBC_SRCTOP}/inet/Makefile.inc"
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.include "${LIBC_SRCTOP}/isc/Makefile.inc"
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.include "${LIBC_SRCTOP}/locale/Makefile.inc"
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.include "${LIBC_SRCTOP}/md/Makefile.inc"
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.include "${LIBC_SRCTOP}/nameser/Makefile.inc"
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.include "${LIBC_SRCTOP}/net/Makefile.inc"
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.include "${LIBC_SRCTOP}/nls/Makefile.inc"
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.include "${LIBC_SRCTOP}/posix1e/Makefile.inc"
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.if ${LIBC_ARCH} != "amd64" && \
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${LIBC_ARCH} != "powerpc64" && \
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${LIBC_ARCH} != "sparc64" && \
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${MACHINE_ARCH:Mmipsn32*} == "" && \
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${MACHINE_ARCH:Mmips64*} == ""
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.include "${LIBC_SRCTOP}/quad/Makefile.inc"
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.endif
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.include "${LIBC_SRCTOP}/regex/Makefile.inc"
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.include "${LIBC_SRCTOP}/resolv/Makefile.inc"
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.include "${LIBC_SRCTOP}/stdio/Makefile.inc"
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.include "${LIBC_SRCTOP}/stdlib/Makefile.inc"
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.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc"
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.include "${LIBC_SRCTOP}/stdtime/Makefile.inc"
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.include "${LIBC_SRCTOP}/string/Makefile.inc"
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.include "${LIBC_SRCTOP}/sys/Makefile.inc"
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.include "${LIBC_SRCTOP}/rpc/Makefile.inc"
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.include "${LIBC_SRCTOP}/uuid/Makefile.inc"
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.include "${LIBC_SRCTOP}/xdr/Makefile.inc"
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.if (${LIBC_ARCH} == "arm" && ${MACHINE_ARCH} != "armv6hf") ||\
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${LIBC_ARCH} == "mips"
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.include "${LIBC_SRCTOP}/softfloat/Makefile.inc"
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.endif
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.if ${MK_NIS} != "no"
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CFLAGS+= -DYP
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.include "${LIBC_SRCTOP}/yp/Makefile.inc"
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.endif
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.include "${LIBC_SRCTOP}/capability/Makefile.inc"
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.if ${MK_HESIOD} != "no"
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CFLAGS+= -DHESIOD
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.endif
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.if ${MK_FP_LIBC} == "no"
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CFLAGS+= -DNO_FLOATING_POINT
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.endif
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.if ${MK_NS_CACHING} != "no"
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CFLAGS+= -DNS_CACHING
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.endif
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.if defined(_FREEFALL_CONFIG)
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CFLAGS+=-D_FREEFALL_CONFIG
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.endif
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STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/}
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VERSION_DEF=${LIBC_SRCTOP}/Versions.def
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SYMBOL_MAPS=${SYM_MAPS}
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CFLAGS+= -DSYMBOL_VERSIONING
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# If there are no machine dependent sources, append all the
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# machine-independent sources:
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.if empty(MDSRCS)
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SRCS+= ${MISRCS}
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.else
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# Append machine-dependent sources, then append machine-independent sources
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# for which there is no machine-dependent variant.
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SRCS+= ${MDSRCS}
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.for _src in ${MISRCS}
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.if ${MDSRCS:R:M${_src:R}} == ""
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SRCS+= ${_src}
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.endif
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.endfor
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.endif
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KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \
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lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \
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subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c
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KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \
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strcmp.c strcpy.c strlen.c strncpy.c strrchr.c
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libkern: libkern.gen libkern.${LIBC_ARCH}
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libkern.gen: ${KQSRCS} ${KSRCS}
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cp -fp ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern
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libkern.${LIBC_ARCH}:: ${KMSRCS}
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.if defined(KMSRCS) && !empty(KMSRCS)
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cp -fp ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH}
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.endif
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.include <bsd.lib.mk>
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# Disable warnings in contributed sources.
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CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/}
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# XXX For now, we don't allow libc to be compiled with
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# -fstack-protector-all because it breaks rtld. We may want to make a librtld
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# in the future to circumvent this.
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SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/}
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# Disable stack protection for SSP symbols.
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SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/}
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# Generate stack unwinding tables for cancellation points
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CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//}
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