1# @(#)Makefile 8.2 (Berkeley) 2/3/94 2# $FreeBSD$ 3 4SHLIBDIR?= /lib 5 6.include <bsd.own.mk> 7 8# Pick the current architecture directory for libc. In general, this is 9# named MACHINE_CPUARCH, but some ABIs are different enough to require 10# their own libc, so allow a directory named MACHINE_ARCH to override this. 11 12.if exists(${.CURDIR}/${MACHINE_ARCH}) 13LIBC_ARCH=${MACHINE_ARCH} 14.else 15LIBC_ARCH=${MACHINE_CPUARCH} 16.endif 17 18# All library objects contain FreeBSD revision strings by default; they may be 19# excluded as a space-saving measure. To produce a library that does 20# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 21# below. Note: there are no IDs for syscall stubs whose sources are generated. 22# To include legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS 23# to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs. 24LIB=c 25SHLIB_MAJOR= 7 26WARNS?= 2 27CFLAGS+=-I${.CURDIR}/include -I${.CURDIR}/../../include 28CFLAGS+=-I${.CURDIR}/${LIBC_ARCH} 29.if ${MK_NLS} != "no" 30CFLAGS+=-DNLS 31.endif 32CLEANFILES+=tags 33INSTALL_PIC_ARCHIVE= 34PRECIOUSLIB= 35 36.ifndef NO_THREAD_STACK_UNWIND 37CANCELPOINTS_CFLAGS=-fexceptions 38CFLAGS+=${CANCELPOINTS_CFLAGS} 39.endif 40 41# 42# Only link with static libgcc.a (no libgcc_eh.a). 43# 44DPADD+= ${LIBGCC} 45LDFLAGS+= -nodefaultlibs 46LDADD+= -lgcc 47 48.if ${MK_SSP} != "no" 49LDADD+= -lssp_nonshared 50.endif 51 52# Define (empty) variables so that make doesn't give substitution 53# errors if the included makefiles don't change these: 54MDSRCS= 55MISRCS= 56MDASM= 57MIASM= 58NOASM= 59 60.include "${.CURDIR}/${LIBC_ARCH}/Makefile.inc" 61.include "${.CURDIR}/db/Makefile.inc" 62.include "${.CURDIR}/compat-43/Makefile.inc" 63.include "${.CURDIR}/gdtoa/Makefile.inc" 64.include "${.CURDIR}/gen/Makefile.inc" 65.include "${.CURDIR}/gmon/Makefile.inc" 66.if ${MK_ICONV} != "no" 67.include "${.CURDIR}/iconv/Makefile.inc" 68.endif 69.include "${.CURDIR}/inet/Makefile.inc" 70.include "${.CURDIR}/isc/Makefile.inc" 71.include "${.CURDIR}/locale/Makefile.inc" 72.include "${.CURDIR}/nameser/Makefile.inc" 73.include "${.CURDIR}/net/Makefile.inc" 74.include "${.CURDIR}/nls/Makefile.inc" 75.include "${.CURDIR}/posix1e/Makefile.inc" 76.if ${LIBC_ARCH} != "amd64" && \ 77 ${LIBC_ARCH} != "ia64" && \ 78 ${LIBC_ARCH} != "powerpc64" && \ 79 ${LIBC_ARCH} != "sparc64" && \ 80 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 81 ${MACHINE_ARCH:Mmips64*} == "" 82.include "${.CURDIR}/quad/Makefile.inc" 83.endif 84.include "${.CURDIR}/regex/Makefile.inc" 85.include "${.CURDIR}/resolv/Makefile.inc" 86.include "${.CURDIR}/stdio/Makefile.inc" 87.include "${.CURDIR}/stdlib/Makefile.inc" 88.include "${.CURDIR}/stdlib/jemalloc/Makefile.inc" 89.include "${.CURDIR}/stdtime/Makefile.inc" 90.include "${.CURDIR}/string/Makefile.inc" 91.include "${.CURDIR}/sys/Makefile.inc" 92.include "${.CURDIR}/rpc/Makefile.inc" 93.include "${.CURDIR}/uuid/Makefile.inc" 94.include "${.CURDIR}/xdr/Makefile.inc" 95.if ${LIBC_ARCH} == "arm" || ${LIBC_ARCH} == "mips" 96.include "${.CURDIR}/softfloat/Makefile.inc" 97.endif 98.if ${MK_NIS} != "no" 99CFLAGS+= -DYP 100.include "${.CURDIR}/yp/Makefile.inc" 101.endif 102.if ${MK_HESIOD} != "no" 103CFLAGS+= -DHESIOD 104.endif 105.if ${MK_FP_LIBC} == "no" 106CFLAGS+= -DNO_FLOATING_POINT 107.endif 108.if ${MK_NS_CACHING} != "no" 109CFLAGS+= -DNS_CACHING 110.endif 111.if defined(_FREEFALL_CONFIG) 112CFLAGS+=-D_FREEFALL_CONFIG 113.endif 114 115VERSION_DEF=${.CURDIR}/Versions.def 116SYMBOL_MAPS=${SYM_MAPS} 117CFLAGS+= -DSYMBOL_VERSIONING 118 119# If there are no machine dependent sources, append all the 120# machine-independent sources: 121.if empty(MDSRCS) 122SRCS+= ${MISRCS} 123.else 124# Append machine-dependent sources, then append machine-independent sources 125# for which there is no machine-dependent variant. 126SRCS+= ${MDSRCS} 127.for _src in ${MISRCS} 128.if ${MDSRCS:R:M${_src:R}} == "" 129SRCS+= ${_src} 130.endif 131.endfor 132.endif 133 134KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 135 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 136 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 137KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 138 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 139 140libkern: libkern.gen libkern.${LIBC_ARCH} 141 142libkern.gen: ${KQSRCS} ${KSRCS} 143 cp -p ${.CURDIR}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 144 145libkern.${LIBC_ARCH}:: ${KMSRCS} 146.if defined(KMSRCS) && !empty(KMSRCS) 147 cp -p ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 148.endif 149 150.include <bsd.lib.mk> 151 152.if !defined(_SKIP_BUILD) 153# We need libutil.h, get it directly to avoid 154# recording a build dependency 155CFLAGS+= -I${.CURDIR:H}/libutil 156# Same issue with libm 157MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${.CURDIR:H}/msun -V ARCH_SUBDIR 158# unfortunately msun/src contains both private and public headers 159CFLAGS+= -I${.CURDIR:H}/msun/${MSUN_ARCH_SUBDIR} -I${.CURDIR:H}/msun/src 160.endif 161 162# Disable warnings in contributed sources. 163CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 164# XXX For now, we don't allow libc to be compiled with 165# -fstack-protector-all because it breaks rtld. We may want to make a librtld 166# in the future to circumvent this. 167SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/} 168# Disable stack protection for SSP symbols. 169SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 170# Generate stack unwinding tables for cancellation points 171CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 172