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# @(#)Makefile 8.2 (Berkeley) 2/3/94
# $FreeBSD$
SHLIBDIR?= /lib
.include <bsd.own.mk>
# Pick the current architecture directory for libc. In general, this is
# named MACHINE_CPUARCH, but some ABIs are different enough to require
# their own libc, so allow a directory named MACHINE_ARCH to override this.
.if exists(${.CURDIR}/${MACHINE_ARCH})
LIBC_ARCH=${MACHINE_ARCH}
.else
LIBC_ARCH=${MACHINE_CPUARCH}
.endif
# All library objects contain FreeBSD revision strings by default; they may be
# excluded as a space-saving measure. To produce a library that does
# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS
# below. Note: there are no IDs for syscall stubs whose sources are generated.
# To include legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS
# to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs.
LIB=c
SHLIB_MAJOR= 7
SHLIB_LDSCRIPT=libc.ldscript
WARNS?= 2
CFLAGS+=-I${.CURDIR}/include -I${.CURDIR}/../../include
CFLAGS+=-I${.CURDIR}/${LIBC_ARCH}
.if ${MK_NLS} != "no"
CFLAGS+=-DNLS
.endif
CLEANFILES+=tags
INSTALL_PIC_ARCHIVE=
PRECIOUSLIB=
.ifndef NO_THREAD_STACK_UNWIND
CANCELPOINTS_CFLAGS=-fexceptions
CFLAGS+=${CANCELPOINTS_CFLAGS}
.endif
#
# Only link with static libgcc.a (no libgcc_eh.a).
#
DPADD+= ${LIBGCC}
LDFLAGS+= -nodefaultlibs
LDADD+= -lgcc
.if ${MK_SSP} != "no"
DPADD+= ${LIBSSP_NONSHARED}
LDADD+= -lssp_nonshared
.endif
# Extras that live in either libc.a or libc_nonshared.a
LIBC_NONSHARED_SRCS=
# Define (empty) variables so that make doesn't give substitution
# errors if the included makefiles don't change these:
MDSRCS=
MISRCS=
MDASM=
MIASM=
NOASM=
.include "${.CURDIR}/${LIBC_ARCH}/Makefile.inc"
.include "${.CURDIR}/db/Makefile.inc"
.include "${.CURDIR}/compat-43/Makefile.inc"
.include "${.CURDIR}/gdtoa/Makefile.inc"
.include "${.CURDIR}/gen/Makefile.inc"
.include "${.CURDIR}/gmon/Makefile.inc"
.if ${MK_ICONV} != "no"
.include "${.CURDIR}/iconv/Makefile.inc"
.endif
.include "${.CURDIR}/inet/Makefile.inc"
.include "${.CURDIR}/isc/Makefile.inc"
.include "${.CURDIR}/locale/Makefile.inc"
.include "${.CURDIR}/md/Makefile.inc"
.include "${.CURDIR}/nameser/Makefile.inc"
.include "${.CURDIR}/net/Makefile.inc"
.include "${.CURDIR}/nls/Makefile.inc"
.include "${.CURDIR}/posix1e/Makefile.inc"
.if ${LIBC_ARCH} != "amd64" && \
${LIBC_ARCH} != "ia64" && \
${LIBC_ARCH} != "powerpc64" && \
${LIBC_ARCH} != "sparc64" && \
${MACHINE_ARCH:Mmipsn32*} == "" && \
${MACHINE_ARCH:Mmips64*} == ""
.include "${.CURDIR}/quad/Makefile.inc"
.endif
.include "${.CURDIR}/regex/Makefile.inc"
.include "${.CURDIR}/resolv/Makefile.inc"
.include "${.CURDIR}/stdio/Makefile.inc"
.include "${.CURDIR}/stdlib/Makefile.inc"
.include "${.CURDIR}/stdlib/jemalloc/Makefile.inc"
.include "${.CURDIR}/stdtime/Makefile.inc"
.include "${.CURDIR}/string/Makefile.inc"
.include "${.CURDIR}/sys/Makefile.inc"
.include "${.CURDIR}/rpc/Makefile.inc"
.include "${.CURDIR}/uuid/Makefile.inc"
.include "${.CURDIR}/xdr/Makefile.inc"
.if ${LIBC_ARCH} == "arm" || ${LIBC_ARCH} == "mips"
.include "${.CURDIR}/softfloat/Makefile.inc"
.endif
.if ${MK_NIS} != "no"
CFLAGS+= -DYP
.include "${.CURDIR}/yp/Makefile.inc"
.endif
.include "${.CURDIR}/capability/Makefile.inc"
.if ${MK_HESIOD} != "no"
CFLAGS+= -DHESIOD
.endif
.if ${MK_FP_LIBC} == "no"
CFLAGS+= -DNO_FLOATING_POINT
.endif
.if ${MK_NS_CACHING} != "no"
CFLAGS+= -DNS_CACHING
.endif
.if defined(_FREEFALL_CONFIG)
CFLAGS+=-D_FREEFALL_CONFIG
.endif
STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/}
VERSION_DEF=${.CURDIR}/Versions.def
SYMBOL_MAPS=${SYM_MAPS}
CFLAGS+= -DSYMBOL_VERSIONING
# If there are no machine dependent sources, append all the
# machine-independent sources:
.if empty(MDSRCS)
SRCS+= ${MISRCS}
.else
# Append machine-dependent sources, then append machine-independent sources
# for which there is no machine-dependent variant.
SRCS+= ${MDSRCS}
.for _src in ${MISRCS}
.if ${MDSRCS:R:M${_src:R}} == ""
SRCS+= ${_src}
.endif
.endfor
.endif
KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \
lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \
subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c
KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \
strcmp.c strcpy.c strlen.c strncpy.c strrchr.c
libkern: libkern.gen libkern.${LIBC_ARCH}
libkern.gen: ${KQSRCS} ${KSRCS}
cp -p ${.CURDIR}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern
libkern.${LIBC_ARCH}:: ${KMSRCS}
.if defined(KMSRCS) && !empty(KMSRCS)
cp -p ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH}
.endif
.if !defined(WITHOUT_SYSCALL_COMPAT)
CFLAGS+=-DSYSCALL_COMPAT
.endif
.if ${MK_TESTS} != "no"
SUBDIR+= tests
.endif
.include <bsd.lib.mk>
# Disable warnings in contributed sources.
CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/}
# XXX For now, we don't allow libc to be compiled with
# -fstack-protector-all because it breaks rtld. We may want to make a librtld
# in the future to circumvent this.
SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/}
# Disable stack protection for SSP symbols.
SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/}
# Generate stack unwinding tables for cancellation points
CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//}
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