1# @(#)Makefile 8.2 (Berkeley) 2/3/94 2# $FreeBSD$ 3 4SHLIBDIR?= /lib 5 6.include <src.opts.mk> 7 8LIBC_SRCTOP?= ${.CURDIR} 9 10# Pick the current architecture directory for libc. In general, this is 11# named MACHINE_CPUARCH, but some ABIs are different enough to require 12# their own libc, so allow a directory named MACHINE_ARCH to override this. 13 14.if exists(${LIBC_SRCTOP}/${MACHINE_ARCH}) 15LIBC_ARCH=${MACHINE_ARCH} 16.else 17LIBC_ARCH=${MACHINE_CPUARCH} 18.endif 19 20# All library objects contain FreeBSD revision strings by default; they may be 21# excluded as a space-saving measure. To produce a library that does 22# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 23# below. Note: there are no IDs for syscall stubs whose sources are generated. 24# To include legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS 25# to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs. 26LIB=c 27SHLIB_MAJOR= 7 28SHLIB_LDSCRIPT=libc.ldscript 29WARNS?= 2 30CFLAGS+=-I${LIBC_SRCTOP}/include -I${LIBC_SRCTOP}/../../include 31CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} 32.if ${MK_NLS} != "no" 33CFLAGS+=-DNLS 34.endif 35CLEANFILES+=tags 36INSTALL_PIC_ARCHIVE= 37PRECIOUSLIB= 38 39.ifndef NO_THREAD_STACK_UNWIND 40CANCELPOINTS_CFLAGS=-fexceptions 41CFLAGS+=${CANCELPOINTS_CFLAGS} 42.endif 43 44# 45# Link with static libcompiler_rt.a. 46# 47DPADD+= ${LIBCOMPILER_RT} 48LDFLAGS+= -nodefaultlibs 49LDADD+= -lcompiler_rt 50 51.if ${MK_SSP} != "no" 52LDADD+= -lssp_nonshared 53.endif 54 55# Extras that live in either libc.a or libc_nonshared.a 56LIBC_NONSHARED_SRCS= 57 58# Define (empty) variables so that make doesn't give substitution 59# errors if the included makefiles don't change these: 60MDSRCS= 61MISRCS= 62MDASM= 63MIASM= 64NOASM= 65 66.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 67.include "${LIBC_SRCTOP}/db/Makefile.inc" 68.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 69.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 70.include "${LIBC_SRCTOP}/gen/Makefile.inc" 71.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 72.if ${MK_ICONV} != "no" 73.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 74.endif 75.include "${LIBC_SRCTOP}/inet/Makefile.inc" 76.include "${LIBC_SRCTOP}/isc/Makefile.inc" 77.include "${LIBC_SRCTOP}/locale/Makefile.inc" 78.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 79.include "${LIBC_SRCTOP}/net/Makefile.inc" 80.include "${LIBC_SRCTOP}/nls/Makefile.inc" 81.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 82.if ${LIBC_ARCH} != "amd64" && \ 83 ${LIBC_ARCH} != "ia64" && \ 84 ${LIBC_ARCH} != "powerpc64" && \ 85 ${LIBC_ARCH} != "sparc64" && \ 86 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 87 ${MACHINE_ARCH:Mmips64*} == "" 88.include "${LIBC_SRCTOP}/quad/Makefile.inc" 89.endif 90.include "${LIBC_SRCTOP}/regex/Makefile.inc" 91.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 92.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 93.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 94.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" 95.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 96.include "${LIBC_SRCTOP}/string/Makefile.inc" 97.include "${LIBC_SRCTOP}/sys/Makefile.inc" 98.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 99.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 100.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 101.if (${LIBC_ARCH} == "arm" && ${MACHINE_ARCH} != "armv6hf") ||\ 102 ${LIBC_ARCH} == "mips" 103.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 104.endif 105.if ${MK_NIS} != "no" 106CFLAGS+= -DYP 107.include "${LIBC_SRCTOP}/yp/Makefile.inc" 108.endif 109.include "${LIBC_SRCTOP}/capability/Makefile.inc" 110.if ${MK_HESIOD} != "no" 111CFLAGS+= -DHESIOD 112.endif 113.if ${MK_FP_LIBC} == "no" 114CFLAGS+= -DNO_FLOATING_POINT 115.endif 116.if ${MK_NS_CACHING} != "no" 117CFLAGS+= -DNS_CACHING 118.endif 119.if defined(_FREEFALL_CONFIG) 120CFLAGS+=-D_FREEFALL_CONFIG 121.endif 122 123STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 124 125VERSION_DEF=${LIBC_SRCTOP}/Versions.def 126SYMBOL_MAPS=${SYM_MAPS} 127CFLAGS+= -DSYMBOL_VERSIONING 128 129# If there are no machine dependent sources, append all the 130# machine-independent sources: 131.if empty(MDSRCS) 132SRCS+= ${MISRCS} 133.else 134# Append machine-dependent sources, then append machine-independent sources 135# for which there is no machine-dependent variant. 136SRCS+= ${MDSRCS} 137.for _src in ${MISRCS} 138.if ${MDSRCS:R:M${_src:R}} == "" 139SRCS+= ${_src} 140.endif 141.endfor 142.endif 143 144KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 145 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 146 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 147KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 148 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 149 150libkern: libkern.gen libkern.${LIBC_ARCH} 151 152libkern.gen: ${KQSRCS} ${KSRCS} 153 cp -p ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 154 155libkern.${LIBC_ARCH}:: ${KMSRCS} 156.if defined(KMSRCS) && !empty(KMSRCS) 157 cp -p ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 158.endif 159 160.include <bsd.lib.mk> 161 162.if !defined(_SKIP_BUILD) 163# We need libutil.h, get it directly to avoid 164# recording a build dependency 165CFLAGS+= -I${.CURDIR:H}/libutil 166# Same issue with libm 167MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${.CURDIR:H}/msun -V ARCH_SUBDIR 168# unfortunately msun/src contains both private and public headers 169CFLAGS+= -I${.CURDIR:H}/msun/${MSUN_ARCH_SUBDIR} 170.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 171CFLAGS+= -I${.CURDIR:H}/msun/x86 172.endif 173CFLAGS+= -I${.CURDIR:H}/msun/src 174# and we do not want to record a dependency on msun 175.if ${.MAKE.LEVEL} > 0 176GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 177.endif 178.endif 179 180# Disable warnings in contributed sources. 181CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 182# XXX For now, we don't allow libc to be compiled with 183# -fstack-protector-all because it breaks rtld. We may want to make a librtld 184# in the future to circumvent this. 185SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/} 186# Disable stack protection for SSP symbols. 187SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 188# Generate stack unwinding tables for cancellation points 189CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 190