1# @(#)Makefile 8.2 (Berkeley) 2/3/94 2 3PACKAGE= clibs 4SHLIBDIR?= /lib 5 6.include <src.opts.mk> 7 8# Force building of libc_pic.a 9MK_TOOLCHAIN= yes 10 11LIBC_SRCTOP?= ${.CURDIR} 12 13# Pick the current architecture directory for libc. In general, this is 14# named MACHINE_CPUARCH, but some ABIs are different enough to require 15# their own libc, so allow a directory named MACHINE_ARCH to override this. 16 17.if exists(${LIBC_SRCTOP}/${MACHINE_ARCH:S/powerpc64le/powerpc64/}) 18LIBC_ARCH=${MACHINE_ARCH:S/powerpc64le/powerpc64/} 19.else 20LIBC_ARCH=${MACHINE_CPUARCH} 21.endif 22 23# All library objects contain FreeBSD revision strings by default; they may be 24# excluded as a space-saving measure. To produce a library that does 25# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 26# below. Note: there are no IDs for syscall stubs whose sources are generated. 27# To include legacy CSRG SCCS ID strings, remove -DNO__SCCSID from CFLAGS. 28# To include RCS ID strings from other BSD projects, remove -DNO__RCSID from CFLAGS. 29CFLAGS+=-DNO__SCCSID -DNO__RCSID 30 31LIB=c 32SHLIB_MAJOR= 7 33.if ${MK_SSP} != "no" && \ 34 (${LIBC_ARCH} == "i386" || ${LIBC_ARCH:Mpowerpc*} != "") 35SHLIB_LDSCRIPT=libc.ldscript 36.else 37SHLIB_LDSCRIPT=libc_nossp.ldscript 38.endif 39SHLIB_LDSCRIPT_LINKS=libxnet.so 40WARNS?= 2 41CFLAGS+=-I${LIBC_SRCTOP}/include -I${SRCTOP}/include 42CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} 43.if ${MK_NLS} != "no" 44CFLAGS+=-DNLS 45.endif 46CLEANFILES+=tags 47INSTALL_PIC_ARCHIVE= 48BUILD_NOSSP_PIC_ARCHIVE= 49PRECIOUSLIB= 50 51.ifndef NO_THREAD_STACK_UNWIND 52CANCELPOINTS_CFLAGS=-fexceptions 53CFLAGS+=${CANCELPOINTS_CFLAGS} 54.endif 55 56# Use a more efficient TLS model for libc since we can reasonably assume that 57# it will be loaded during program startup. 58CFLAGS+= -ftls-model=initial-exec 59 60# 61# Link with static libcompiler_rt.a. 62# 63LDFLAGS+= -nodefaultlibs 64LIBADD+= compiler_rt 65 66.if ${MK_SSP} != "no" && \ 67 (${LIBC_ARCH} == "i386" || ${LIBC_ARCH:Mpowerpc*} != "") 68LIBADD+= ssp_nonshared 69.endif 70 71# Extras that live in either libc.a or libc_nonshared.a 72LIBC_NONSHARED_SRCS= 73 74RTLD_ELF_DIR=${SRCTOP}/libexec/rtld-elf 75.if exists(${RTLD_ELF_DIR}/${MACHINE_ARCH:S/powerpc64le/powerpc64/}) 76RTLD_ARCH= ${MACHINE_ARCH:S/powerpc64le/powerpc64/} 77.else 78RTLD_ARCH= ${MACHINE_CPUARCH} 79.endif 80RTLD_HDRS= -I${RTLD_ELF_DIR}/${RTLD_ARCH} -I${RTLD_ELF_DIR} 81 82# Define (empty) variables so that make doesn't give substitution 83# errors if the included makefiles don't change these: 84MDSRCS= 85MISRCS= 86MDASM= 87MIASM= 88NOASM= 89 90.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 91.include "${LIBC_SRCTOP}/csu/Makefile.inc" 92.include "${LIBC_SRCTOP}/db/Makefile.inc" 93.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 94.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 95.include "${LIBC_SRCTOP}/gen/Makefile.inc" 96.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 97.if ${MK_ICONV} != "no" 98.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 99.endif 100.include "${LIBC_SRCTOP}/inet/Makefile.inc" 101.include "${LIBC_SRCTOP}/isc/Makefile.inc" 102.include "${LIBC_SRCTOP}/locale/Makefile.inc" 103.include "${LIBC_SRCTOP}/md/Makefile.inc" 104.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 105.include "${LIBC_SRCTOP}/net/Makefile.inc" 106.include "${LIBC_SRCTOP}/nls/Makefile.inc" 107.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 108.if ${LIBC_ARCH} != "aarch64" && \ 109 ${LIBC_ARCH} != "amd64" && \ 110 ${LIBC_ARCH} != "powerpc64" && \ 111 ${LIBC_ARCH} != "riscv" && \ 112 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 113 ${MACHINE_ARCH:Mmips64*} == "" 114.include "${LIBC_SRCTOP}/quad/Makefile.inc" 115.endif 116.include "${LIBC_SRCTOP}/regex/Makefile.inc" 117.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 118.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 119.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 120.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" 121.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 122.include "${LIBC_SRCTOP}/string/Makefile.inc" 123.include "${LIBC_SRCTOP}/sys/Makefile.inc" 124.include "${LIBC_SRCTOP}/secure/Makefile.inc" 125.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 126.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 127.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 128.if (${LIBC_ARCH} == "arm" && \ 129 (${MACHINE_ARCH:Marmv[67]*} == "" || (defined(CPUTYPE) && ${CPUTYPE:M*soft*}))) || \ 130 (${LIBC_ARCH} == "mips" && ${MACHINE_ARCH:Mmips*hf} == "") || \ 131 (${LIBC_ARCH} == "riscv" && ${MACHINE_ARCH:Mriscv*sf} != "") 132.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 133.endif 134.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 135.include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" 136.include "${LIBC_SRCTOP}/x86/gen/Makefile.inc" 137.endif 138.if ${MK_NIS} != "no" 139CFLAGS+= -DYP 140.include "${LIBC_SRCTOP}/yp/Makefile.inc" 141.endif 142.include "${LIBC_SRCTOP}/capability/Makefile.inc" 143.if ${MK_HESIOD} != "no" 144CFLAGS+= -DHESIOD 145.endif 146.if ${MK_FP_LIBC} == "no" 147CFLAGS+= -DNO_FLOATING_POINT 148.endif 149.if ${MK_NS_CACHING} != "no" 150CFLAGS+= -DNS_CACHING 151.endif 152.if defined(_FREEFALL_CONFIG) 153CFLAGS+=-D_FREEFALL_CONFIG 154.endif 155 156STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 157 158VERSION_DEF=${LIBC_SRCTOP}/Versions.def 159SYMBOL_MAPS=${SYM_MAPS} 160CFLAGS+= -DSYMBOL_VERSIONING 161 162# If there are no machine dependent sources, append all the 163# machine-independent sources: 164.if empty(MDSRCS) || ${MK_MACHDEP_OPTIMIZATIONS} == no 165SRCS+= ${MISRCS} 166.else 167# Append machine-dependent sources, then append machine-independent sources 168# for which there is no machine-dependent variant. 169SRCS+= ${MDSRCS} 170.for _src in ${MISRCS} 171.if ${MDSRCS:R:M${_src:R}} == "" 172SRCS+= ${_src} 173.endif 174.endfor 175.endif 176 177KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 178 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 179 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 180KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 181 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 182 183libkern: libkern.gen libkern.${LIBC_ARCH} 184 185libkern.gen: ${KQSRCS} ${KSRCS} 186 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 187 188libkern.${LIBC_ARCH}:: ${KMSRCS} 189.if defined(KMSRCS) && !empty(KMSRCS) 190 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 191.endif 192 193HAS_TESTS= 194SUBDIR.${MK_TESTS}+= tests 195 196.include <bsd.lib.mk> 197 198.if (${LIBC_ARCH} == amd64 || ${LIBC_ARCH} == i386) && \ 199 ${.TARGETS:Mall} == all && \ 200 defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mifunc} == "" 201.error ${LIBC_ARCH} libc requires linker ifunc support 202.endif 203 204.if !defined(_SKIP_BUILD) 205# We need libutil.h, get it directly to avoid 206# recording a build dependency 207CFLAGS+= -I${SRCTOP}/lib/libutil 208# Same issue with libm 209MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 210# unfortunately msun/src contains both private and public headers 211CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 212.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 213CFLAGS+= -I${SRCTOP}/lib/msun/x86 214.endif 215CFLAGS+= -I${SRCTOP}/lib/msun/src 216# and we do not want to record a dependency on msun 217.if ${.MAKE.LEVEL} > 0 218GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 219.endif 220.endif 221 222# Disable warnings in contributed sources. 223CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 224# Disable stack protection for SSP symbols. 225SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 226# Generate stack unwinding tables for cancellation points 227CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 228