1# @(#)Makefile 8.2 (Berkeley) 2/3/94 2# $FreeBSD$ 3 4PACKAGE= clibs 5SHLIBDIR?= /lib 6 7.include <src.opts.mk> 8 9# BIND_NOW in libc results in segfault at startup (PR 233333) 10MK_BIND_NOW= no 11# Force building of libc_pic.a 12MK_TOOLCHAIN= yes 13 14LIBC_SRCTOP?= ${.CURDIR} 15 16# Pick the current architecture directory for libc. In general, this is 17# named MACHINE_CPUARCH, but some ABIs are different enough to require 18# their own libc, so allow a directory named MACHINE_ARCH to override this. 19 20.if exists(${LIBC_SRCTOP}/${MACHINE_ARCH}) 21LIBC_ARCH=${MACHINE_ARCH} 22.else 23LIBC_ARCH=${MACHINE_CPUARCH} 24.endif 25 26# All library objects contain FreeBSD revision strings by default; they may be 27# excluded as a space-saving measure. To produce a library that does 28# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 29# below. Note: there are no IDs for syscall stubs whose sources are generated. 30# To include legacy CSRG SCCS ID strings, remove -DNO__SCCSID from CFLAGS. 31# To include RCS ID strings from other BSD projects, remove -DNO__RCSID from CFLAGS. 32CFLAGS+=-DNO__SCCSID -DNO__RCSID 33 34LIB=c 35SHLIB_MAJOR= 7 36.if ${MK_SSP} != "no" 37SHLIB_LDSCRIPT=libc.ldscript 38.else 39SHLIB_LDSCRIPT=libc_nossp.ldscript 40.endif 41SHLIB_LDSCRIPT_LINKS=libxnet.so 42WARNS?= 2 43CFLAGS+=-I${LIBC_SRCTOP}/include -I${SRCTOP}/include 44CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} 45.if ${MK_NLS} != "no" 46CFLAGS+=-DNLS 47.endif 48CLEANFILES+=tags 49INSTALL_PIC_ARCHIVE= 50BUILD_NOSSP_PIC_ARCHIVE= 51PRECIOUSLIB= 52 53.ifndef NO_THREAD_STACK_UNWIND 54CANCELPOINTS_CFLAGS=-fexceptions 55CFLAGS+=${CANCELPOINTS_CFLAGS} 56.endif 57 58# 59# Link with static libcompiler_rt.a. 60# 61LDFLAGS+= -nodefaultlibs 62LIBADD+= compiler_rt 63 64.if ${MK_SSP} != "no" 65LIBADD+= ssp_nonshared 66.endif 67 68# Extras that live in either libc.a or libc_nonshared.a 69LIBC_NONSHARED_SRCS= 70 71# Define (empty) variables so that make doesn't give substitution 72# errors if the included makefiles don't change these: 73MDSRCS= 74MISRCS= 75MDASM= 76MIASM= 77NOASM= 78 79.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 80.include "${LIBC_SRCTOP}/db/Makefile.inc" 81.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 82.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 83.include "${LIBC_SRCTOP}/gen/Makefile.inc" 84.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 85.if ${MK_ICONV} != "no" 86.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 87.endif 88.include "${LIBC_SRCTOP}/inet/Makefile.inc" 89.include "${LIBC_SRCTOP}/isc/Makefile.inc" 90.include "${LIBC_SRCTOP}/locale/Makefile.inc" 91.include "${LIBC_SRCTOP}/md/Makefile.inc" 92.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 93.include "${LIBC_SRCTOP}/net/Makefile.inc" 94.include "${LIBC_SRCTOP}/nls/Makefile.inc" 95.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 96.if ${LIBC_ARCH} != "aarch64" && \ 97 ${LIBC_ARCH} != "amd64" && \ 98 ${LIBC_ARCH} != "powerpc64" && \ 99 ${LIBC_ARCH} != "riscv" && \ 100 ${LIBC_ARCH} != "sparc64" && \ 101 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 102 ${MACHINE_ARCH:Mmips64*} == "" 103.include "${LIBC_SRCTOP}/quad/Makefile.inc" 104.endif 105.include "${LIBC_SRCTOP}/regex/Makefile.inc" 106.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 107.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 108.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 109.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" 110.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 111.include "${LIBC_SRCTOP}/string/Makefile.inc" 112.include "${LIBC_SRCTOP}/sys/Makefile.inc" 113.include "${LIBC_SRCTOP}/secure/Makefile.inc" 114.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 115.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 116.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 117.if (${LIBC_ARCH} == "arm" && \ 118 (${MACHINE_ARCH:Marmv[67]*} == "" || (defined(CPUTYPE) && ${CPUTYPE:M*soft*}))) || \ 119 (${LIBC_ARCH} == "mips" && ${MACHINE_ARCH:Mmips*hf} == "") || \ 120 (${LIBC_ARCH} == "riscv" && ${MACHINE_ARCH:Mriscv*sf} != "") 121.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 122.endif 123.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 124.include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" 125.endif 126.if ${MK_NIS} != "no" 127CFLAGS+= -DYP 128.include "${LIBC_SRCTOP}/yp/Makefile.inc" 129.endif 130.include "${LIBC_SRCTOP}/capability/Makefile.inc" 131.if ${MK_HESIOD} != "no" 132CFLAGS+= -DHESIOD 133.endif 134.if ${MK_FP_LIBC} == "no" 135CFLAGS+= -DNO_FLOATING_POINT 136.endif 137.if ${MK_NS_CACHING} != "no" 138CFLAGS+= -DNS_CACHING 139.endif 140.if defined(_FREEFALL_CONFIG) 141CFLAGS+=-D_FREEFALL_CONFIG 142.endif 143 144STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 145 146VERSION_DEF=${LIBC_SRCTOP}/Versions.def 147SYMBOL_MAPS=${SYM_MAPS} 148CFLAGS+= -DSYMBOL_VERSIONING 149 150# If there are no machine dependent sources, append all the 151# machine-independent sources: 152.if empty(MDSRCS) 153SRCS+= ${MISRCS} 154.else 155# Append machine-dependent sources, then append machine-independent sources 156# for which there is no machine-dependent variant. 157SRCS+= ${MDSRCS} 158.for _src in ${MISRCS} 159.if ${MDSRCS:R:M${_src:R}} == "" 160SRCS+= ${_src} 161.endif 162.endfor 163.endif 164 165KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 166 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 167 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 168KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 169 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 170 171libkern: libkern.gen libkern.${LIBC_ARCH} 172 173libkern.gen: ${KQSRCS} ${KSRCS} 174 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 175 176libkern.${LIBC_ARCH}:: ${KMSRCS} 177.if defined(KMSRCS) && !empty(KMSRCS) 178 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 179.endif 180 181HAS_TESTS= 182SUBDIR.${MK_TESTS}+= tests 183 184.include <bsd.lib.mk> 185 186.if (${LIBC_ARCH} == amd64 || ${LIBC_ARCH} == i386) && \ 187 ${.TARGETS:Mall} == all && \ 188 defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mifunc} == "" 189.error ${LIBC_ARCH} libc requires linker ifunc support 190.endif 191 192.if !defined(_SKIP_BUILD) 193# We need libutil.h, get it directly to avoid 194# recording a build dependency 195CFLAGS+= -I${SRCTOP}/lib/libutil 196# Same issue with libm 197MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 198# unfortunately msun/src contains both private and public headers 199CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 200.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 201CFLAGS+= -I${SRCTOP}/lib/msun/x86 202.endif 203CFLAGS+= -I${SRCTOP}/lib/msun/src 204# and we do not want to record a dependency on msun 205.if ${.MAKE.LEVEL} > 0 206GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 207.endif 208.endif 209 210# Disable warnings in contributed sources. 211CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 212# Disable stack protection for SSP symbols. 213SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 214# Generate stack unwinding tables for cancellation points 215CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 216