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