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# 47LDFLAGS+= -nodefaultlibs 48LIBADD+= compiler_rt 49 50.if ${MK_SSP} != "no" 51LIBADD+= ssp_nonshared 52.endif 53 54# Extras that live in either libc.a or libc_nonshared.a 55LIBC_NONSHARED_SRCS= 56 57# Define (empty) variables so that make doesn't give substitution 58# errors if the included makefiles don't change these: 59MDSRCS= 60MISRCS= 61MDASM= 62MIASM= 63NOASM= 64 65.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 66.include "${LIBC_SRCTOP}/db/Makefile.inc" 67.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 68.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 69.include "${LIBC_SRCTOP}/gen/Makefile.inc" 70.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 71.if ${MK_ICONV} != "no" 72.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 73.endif 74.include "${LIBC_SRCTOP}/inet/Makefile.inc" 75.include "${LIBC_SRCTOP}/isc/Makefile.inc" 76.include "${LIBC_SRCTOP}/locale/Makefile.inc" 77.include "${LIBC_SRCTOP}/md/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} != "aarch64" && \ 83 ${LIBC_ARCH} != "amd64" && \ 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 "${LIBC_SRCTOP}/secure/Makefile.inc" 99.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 100.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 101.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 102.if (${LIBC_ARCH} == "arm" && ${MACHINE_ARCH} != "armv6hf") ||\ 103 ${LIBC_ARCH} == "mips" 104.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 105.endif 106.if ${MK_NIS} != "no" 107CFLAGS+= -DYP 108.include "${LIBC_SRCTOP}/yp/Makefile.inc" 109.endif 110.include "${LIBC_SRCTOP}/capability/Makefile.inc" 111.if ${MK_HESIOD} != "no" 112CFLAGS+= -DHESIOD 113.endif 114.if ${MK_FP_LIBC} == "no" 115CFLAGS+= -DNO_FLOATING_POINT 116.endif 117.if ${MK_NS_CACHING} != "no" 118CFLAGS+= -DNS_CACHING 119.endif 120.if defined(_FREEFALL_CONFIG) 121CFLAGS+=-D_FREEFALL_CONFIG 122.endif 123 124STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 125 126VERSION_DEF=${LIBC_SRCTOP}/Versions.def 127SYMBOL_MAPS=${SYM_MAPS} 128CFLAGS+= -DSYMBOL_VERSIONING 129 130# If there are no machine dependent sources, append all the 131# machine-independent sources: 132.if empty(MDSRCS) 133SRCS+= ${MISRCS} 134.else 135# Append machine-dependent sources, then append machine-independent sources 136# for which there is no machine-dependent variant. 137SRCS+= ${MDSRCS} 138.for _src in ${MISRCS} 139.if ${MDSRCS:R:M${_src:R}} == "" 140SRCS+= ${_src} 141.endif 142.endfor 143.endif 144 145KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 146 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 147 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 148KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 149 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 150 151libkern: libkern.gen libkern.${LIBC_ARCH} 152 153libkern.gen: ${KQSRCS} ${KSRCS} 154 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 155 156libkern.${LIBC_ARCH}:: ${KMSRCS} 157.if defined(KMSRCS) && !empty(KMSRCS) 158 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 159.endif 160 161.if ${MK_TESTS} != "no" 162SUBDIR+= tests 163.endif 164 165.include <bsd.lib.mk> 166 167.if !defined(_SKIP_BUILD) 168# We need libutil.h, get it directly to avoid 169# recording a build dependency 170CFLAGS+= -I${.CURDIR:H}/libutil 171# Same issue with libm 172MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${.CURDIR:H}/msun -V ARCH_SUBDIR 173# unfortunately msun/src contains both private and public headers 174CFLAGS+= -I${.CURDIR:H}/msun/${MSUN_ARCH_SUBDIR} 175.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 176CFLAGS+= -I${.CURDIR:H}/msun/x86 177.endif 178CFLAGS+= -I${.CURDIR:H}/msun/src 179# and we do not want to record a dependency on msun 180.if ${.MAKE.LEVEL} > 0 181GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 182.endif 183.endif 184 185# Disable warnings in contributed sources. 186CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 187# XXX For now, we don't allow libc to be compiled with 188# -fstack-protector-all because it breaks rtld. We may want to make a librtld 189# in the future to circumvent this. 190SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/} 191# Disable stack protection for SSP symbols. 192SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 193# Generate stack unwinding tables for cancellation points 194CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 195