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}/${MACHINE_ARCH}) 19LIBC_ARCH=${MACHINE_ARCH} 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 ${MK_SSP} != "no" 35SHLIB_LDSCRIPT=libc.ldscript 36.else 37SHLIB_LDSCRIPT=libc_nossp.ldscript 38.endif 39SHLIB_LDSCRIPT_LINKS=libxnet.so 40WARNS?= 2 41CFLAGS+=-I${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# 57# Link with static libcompiler_rt.a. 58# 59LDFLAGS+= -nodefaultlibs 60LIBADD+= compiler_rt 61 62.if ${MK_SSP} != "no" 63LIBADD+= ssp_nonshared 64.endif 65 66# Extras that live in either libc.a or libc_nonshared.a 67LIBC_NONSHARED_SRCS= 68 69# Define (empty) variables so that make doesn't give substitution 70# errors if the included makefiles don't change these: 71MDSRCS= 72MISRCS= 73MDASM= 74MIASM= 75NOASM= 76 77.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 78.include "${LIBC_SRCTOP}/db/Makefile.inc" 79.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 80.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 81.include "${LIBC_SRCTOP}/gen/Makefile.inc" 82.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 83.if ${MK_ICONV} != "no" 84.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 85.endif 86.include "${LIBC_SRCTOP}/inet/Makefile.inc" 87.include "${LIBC_SRCTOP}/isc/Makefile.inc" 88.include "${LIBC_SRCTOP}/locale/Makefile.inc" 89.include "${LIBC_SRCTOP}/md/Makefile.inc" 90.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 91.include "${LIBC_SRCTOP}/net/Makefile.inc" 92.include "${LIBC_SRCTOP}/nls/Makefile.inc" 93.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 94.if ${LIBC_ARCH} != "aarch64" && \ 95 ${LIBC_ARCH} != "amd64" && \ 96 ${LIBC_ARCH} != "powerpc64" && \ 97 ${LIBC_ARCH} != "riscv" && \ 98 ${LIBC_ARCH} != "sparc64" && \ 99 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 100 ${MACHINE_ARCH:Mmips64*} == "" 101.include "${LIBC_SRCTOP}/quad/Makefile.inc" 102.endif 103.include "${LIBC_SRCTOP}/regex/Makefile.inc" 104.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 105.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 106.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 107.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" 108.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 109.include "${LIBC_SRCTOP}/string/Makefile.inc" 110.include "${LIBC_SRCTOP}/sys/Makefile.inc" 111.include "${LIBC_SRCTOP}/secure/Makefile.inc" 112.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 113.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 114.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 115.if (${LIBC_ARCH} == "arm" && \ 116 (${MACHINE_ARCH:Marmv[67]*} == "" || (defined(CPUTYPE) && ${CPUTYPE:M*soft*}))) || \ 117 (${LIBC_ARCH} == "mips" && ${MACHINE_ARCH:Mmips*hf} == "") || \ 118 (${LIBC_ARCH} == "riscv" && ${MACHINE_ARCH:Mriscv*sf} != "") 119.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 120.endif 121.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 122.include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" 123.include "${LIBC_SRCTOP}/x86/gen/Makefile.inc" 124.endif 125.if ${MK_NIS} != "no" 126CFLAGS+= -DYP 127.include "${LIBC_SRCTOP}/yp/Makefile.inc" 128.endif 129.include "${LIBC_SRCTOP}/capability/Makefile.inc" 130.if ${MK_HESIOD} != "no" 131CFLAGS+= -DHESIOD 132.endif 133.if ${MK_FP_LIBC} == "no" 134CFLAGS+= -DNO_FLOATING_POINT 135.endif 136.if ${MK_NS_CACHING} != "no" 137CFLAGS+= -DNS_CACHING 138.endif 139.if defined(_FREEFALL_CONFIG) 140CFLAGS+=-D_FREEFALL_CONFIG 141.endif 142 143STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 144 145VERSION_DEF=${LIBC_SRCTOP}/Versions.def 146SYMBOL_MAPS=${SYM_MAPS} 147CFLAGS+= -DSYMBOL_VERSIONING 148 149# If there are no machine dependent sources, append all the 150# machine-independent sources: 151.if empty(MDSRCS) 152SRCS+= ${MISRCS} 153.else 154# Append machine-dependent sources, then append machine-independent sources 155# for which there is no machine-dependent variant. 156SRCS+= ${MDSRCS} 157.for _src in ${MISRCS} 158.if ${MDSRCS:R:M${_src:R}} == "" 159SRCS+= ${_src} 160.endif 161.endfor 162.endif 163 164KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 165 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 166 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 167KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 168 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 169 170libkern: libkern.gen libkern.${LIBC_ARCH} 171 172libkern.gen: ${KQSRCS} ${KSRCS} 173 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 174 175libkern.${LIBC_ARCH}:: ${KMSRCS} 176.if defined(KMSRCS) && !empty(KMSRCS) 177 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 178.endif 179 180HAS_TESTS= 181SUBDIR.${MK_TESTS}+= tests 182 183.include <bsd.lib.mk> 184 185.if (${LIBC_ARCH} == amd64 || ${LIBC_ARCH} == i386) && \ 186 ${.TARGETS:Mall} == all && \ 187 defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mifunc} == "" 188.error ${LIBC_ARCH} libc requires linker ifunc support 189.endif 190 191.if !defined(_SKIP_BUILD) 192# We need libutil.h, get it directly to avoid 193# recording a build dependency 194CFLAGS+= -I${SRCTOP}/lib/libutil 195# Same issue with libm 196MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 197# unfortunately msun/src contains both private and public headers 198CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 199.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 200CFLAGS+= -I${SRCTOP}/lib/msun/x86 201.endif 202CFLAGS+= -I${SRCTOP}/lib/msun/src 203# and we do not want to record a dependency on msun 204.if ${.MAKE.LEVEL} > 0 205GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 206.endif 207.endif 208 209# Disable warnings in contributed sources. 210CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 211# Disable stack protection for SSP symbols. 212SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 213# Generate stack unwinding tables for cancellation points 214CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 215