1# @(#)Makefile 8.2 (Berkeley) 2/3/94 2# $FreeBSD$ 3 4PACKAGE= clibs 5SHLIBDIR?= /lib 6 7.include <src.opts.mk> 8 9# Force building of libc_pic.a 10MK_TOOLCHAIN= yes 11 12LIBC_SRCTOP?= ${.CURDIR} 13 14# Pick the current architecture directory for libc. In general, this is 15# named MACHINE_CPUARCH, but some ABIs are different enough to require 16# their own libc, so allow a directory named MACHINE_ARCH to override this. 17 18.if exists(${LIBC_SRCTOP}/${MACHINE_ARCH}) 19LIBC_ARCH=${MACHINE_ARCH} 20.else 21LIBC_ARCH=${MACHINE_CPUARCH} 22.endif 23 24# All library objects contain FreeBSD revision strings by default; they may be 25# excluded as a space-saving measure. To produce a library that does 26# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 27# below. Note: there are no IDs for syscall stubs whose sources are generated. 28# To include legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS 29# to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs. 30LIB=c 31SHLIB_MAJOR= 7 32SHLIB_LDSCRIPT=libc.ldscript 33SHLIB_LDSCRIPT_LINKS=libxnet.so 34WARNS?= 2 35CFLAGS+=-I${LIBC_SRCTOP}/include -I${LIBC_SRCTOP}/../../include 36CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} 37.if ${MK_NLS} != "no" 38CFLAGS+=-DNLS 39.endif 40CLEANFILES+=tags 41INSTALL_PIC_ARCHIVE= 42PRECIOUSLIB= 43 44.ifndef NO_THREAD_STACK_UNWIND 45CANCELPOINTS_CFLAGS=-fexceptions 46CFLAGS+=${CANCELPOINTS_CFLAGS} 47.endif 48 49# 50# Link with static libcompiler_rt.a. 51# 52LDFLAGS+= -nodefaultlibs 53LIBADD+= compiler_rt 54 55.if ${MK_SSP} != "no" 56LIBADD+= ssp_nonshared 57.endif 58 59# Extras that live in either libc.a or libc_nonshared.a 60LIBC_NONSHARED_SRCS= 61 62# Define (empty) variables so that make doesn't give substitution 63# errors if the included makefiles don't change these: 64MDSRCS= 65MISRCS= 66MDASM= 67MIASM= 68NOASM= 69 70.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 71.include "${LIBC_SRCTOP}/db/Makefile.inc" 72.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 73.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 74.include "${LIBC_SRCTOP}/gen/Makefile.inc" 75.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 76.if ${MK_ICONV} != "no" 77.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 78.endif 79.include "${LIBC_SRCTOP}/inet/Makefile.inc" 80.include "${LIBC_SRCTOP}/isc/Makefile.inc" 81.include "${LIBC_SRCTOP}/locale/Makefile.inc" 82.include "${LIBC_SRCTOP}/md/Makefile.inc" 83.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 84.include "${LIBC_SRCTOP}/net/Makefile.inc" 85.include "${LIBC_SRCTOP}/nls/Makefile.inc" 86.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 87.if ${LIBC_ARCH} != "aarch64" && \ 88 ${LIBC_ARCH} != "amd64" && \ 89 ${LIBC_ARCH} != "powerpc64" && \ 90 ${LIBC_ARCH} != "riscv" && \ 91 ${LIBC_ARCH} != "sparc64" && \ 92 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 93 ${MACHINE_ARCH:Mmips64*} == "" 94.include "${LIBC_SRCTOP}/quad/Makefile.inc" 95.endif 96.include "${LIBC_SRCTOP}/regex/Makefile.inc" 97.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 98.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 99.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 100.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" 101.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 102.include "${LIBC_SRCTOP}/string/Makefile.inc" 103.include "${LIBC_SRCTOP}/sys/Makefile.inc" 104.include "${LIBC_SRCTOP}/secure/Makefile.inc" 105.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 106.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 107.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 108.if (${LIBC_ARCH} == "arm" && \ 109 (${MACHINE_ARCH:Marmv6*} == "" || (defined(CPUTYPE) && ${CPUTYPE:M*soft*}))) || \ 110 ${LIBC_ARCH} == "mips" 111.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 112.endif 113.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 114.include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" 115.endif 116.if ${MK_NIS} != "no" 117CFLAGS+= -DYP 118.include "${LIBC_SRCTOP}/yp/Makefile.inc" 119.endif 120.include "${LIBC_SRCTOP}/capability/Makefile.inc" 121.if ${MK_HESIOD} != "no" 122CFLAGS+= -DHESIOD 123.endif 124.if ${MK_FP_LIBC} == "no" 125CFLAGS+= -DNO_FLOATING_POINT 126.endif 127.if ${MK_NS_CACHING} != "no" 128CFLAGS+= -DNS_CACHING 129.endif 130.if defined(_FREEFALL_CONFIG) 131CFLAGS+=-D_FREEFALL_CONFIG 132.endif 133 134STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 135 136VERSION_DEF=${LIBC_SRCTOP}/Versions.def 137SYMBOL_MAPS=${SYM_MAPS} 138CFLAGS+= -DSYMBOL_VERSIONING 139 140# If there are no machine dependent sources, append all the 141# machine-independent sources: 142.if empty(MDSRCS) 143SRCS+= ${MISRCS} 144.else 145# Append machine-dependent sources, then append machine-independent sources 146# for which there is no machine-dependent variant. 147SRCS+= ${MDSRCS} 148.for _src in ${MISRCS} 149.if ${MDSRCS:R:M${_src:R}} == "" 150SRCS+= ${_src} 151.endif 152.endfor 153.endif 154 155KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 156 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 157 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 158KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 159 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 160 161libkern: libkern.gen libkern.${LIBC_ARCH} 162 163libkern.gen: ${KQSRCS} ${KSRCS} 164 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 165 166libkern.${LIBC_ARCH}:: ${KMSRCS} 167.if defined(KMSRCS) && !empty(KMSRCS) 168 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 169.endif 170 171.if ${MK_TESTS} != "no" 172SUBDIR+= tests 173.endif 174 175.include <bsd.lib.mk> 176 177.if !defined(_SKIP_BUILD) 178# We need libutil.h, get it directly to avoid 179# recording a build dependency 180CFLAGS+= -I${SRCTOP}/lib/libutil 181# Same issue with libm 182MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 183# unfortunately msun/src contains both private and public headers 184CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 185.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 186CFLAGS+= -I${SRCTOP}/lib/msun/x86 187.endif 188CFLAGS+= -I${SRCTOP}/lib/msun/src 189# and we do not want to record a dependency on msun 190.if ${.MAKE.LEVEL} > 0 191GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 192.endif 193.endif 194 195# Disable warnings in contributed sources. 196CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 197# XXX For now, we don't allow libc to be compiled with 198# -fstack-protector-all because it breaks rtld. We may want to make a librtld 199# in the future to circumvent this. 200SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/} 201# Disable stack protection for SSP symbols. 202SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 203# Generate stack unwinding tables for cancellation points 204CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 205