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 sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS 29# to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs. 30LIB=c 31SHLIB_MAJOR= 7 32.if ${MK_SSP} != "no" 33SHLIB_LDSCRIPT=libc.ldscript 34.else 35SHLIB_LDSCRIPT=libc_nossp.ldscript 36.endif 37SHLIB_LDSCRIPT_LINKS=libxnet.so 38WARNS?= 2 39CFLAGS+=-I${LIBC_SRCTOP}/include -I${SRCTOP}/include 40CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} 41.if ${MK_NLS} != "no" 42CFLAGS+=-DNLS 43.endif 44CLEANFILES+=tags 45INSTALL_PIC_ARCHIVE= 46BUILD_NOSSP_PIC_ARCHIVE= 47PRECIOUSLIB= 48 49.ifndef NO_THREAD_STACK_UNWIND 50CANCELPOINTS_CFLAGS=-fexceptions 51CFLAGS+=${CANCELPOINTS_CFLAGS} 52.endif 53 54# 55# Link with static libcompiler_rt.a. 56# 57LDFLAGS+= -nodefaultlibs 58LIBADD+= compiler_rt 59 60.if ${MK_SSP} != "no" 61LIBADD+= ssp_nonshared 62.endif 63 64# Extras that live in either libc.a or libc_nonshared.a 65LIBC_NONSHARED_SRCS= 66 67# Define (empty) variables so that make doesn't give substitution 68# errors if the included makefiles don't change these: 69MDSRCS= 70MISRCS= 71MDASM= 72MIASM= 73NOASM= 74 75.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 76.include "${LIBC_SRCTOP}/db/Makefile.inc" 77.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 78.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 79.include "${LIBC_SRCTOP}/gen/Makefile.inc" 80.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 81.if ${MK_ICONV} != "no" 82.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 83.endif 84.include "${LIBC_SRCTOP}/inet/Makefile.inc" 85.include "${LIBC_SRCTOP}/isc/Makefile.inc" 86.include "${LIBC_SRCTOP}/locale/Makefile.inc" 87.include "${LIBC_SRCTOP}/md/Makefile.inc" 88.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 89.include "${LIBC_SRCTOP}/net/Makefile.inc" 90.include "${LIBC_SRCTOP}/nls/Makefile.inc" 91.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 92.if ${LIBC_ARCH} != "aarch64" && \ 93 ${LIBC_ARCH} != "amd64" && \ 94 ${LIBC_ARCH} != "powerpc64" && \ 95 ${LIBC_ARCH} != "riscv" && \ 96 ${LIBC_ARCH} != "sparc64" && \ 97 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 98 ${MACHINE_ARCH:Mmips64*} == "" 99.include "${LIBC_SRCTOP}/quad/Makefile.inc" 100.endif 101.include "${LIBC_SRCTOP}/regex/Makefile.inc" 102.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 103.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 104.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 105.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" 106.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 107.include "${LIBC_SRCTOP}/string/Makefile.inc" 108.include "${LIBC_SRCTOP}/sys/Makefile.inc" 109.include "${LIBC_SRCTOP}/secure/Makefile.inc" 110.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 111.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 112.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 113.if (${LIBC_ARCH} == "arm" && \ 114 (${MACHINE_ARCH:Marmv[67]*} == "" || (defined(CPUTYPE) && ${CPUTYPE:M*soft*}))) || \ 115 (${LIBC_ARCH} == "mips" && ${MACHINE_ARCH:Mmips*hf} == "") || \ 116 (${LIBC_ARCH} == "riscv" && ${MACHINE_ARCH:Mriscv*sf} != "") 117.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 118.endif 119.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 120.include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" 121.endif 122.if ${MK_NIS} != "no" 123CFLAGS+= -DYP 124.include "${LIBC_SRCTOP}/yp/Makefile.inc" 125.endif 126.include "${LIBC_SRCTOP}/capability/Makefile.inc" 127.if ${MK_HESIOD} != "no" 128CFLAGS+= -DHESIOD 129.endif 130.if ${MK_FP_LIBC} == "no" 131CFLAGS+= -DNO_FLOATING_POINT 132.endif 133.if ${MK_NS_CACHING} != "no" 134CFLAGS+= -DNS_CACHING 135.endif 136.if defined(_FREEFALL_CONFIG) 137CFLAGS+=-D_FREEFALL_CONFIG 138.endif 139 140STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 141 142VERSION_DEF=${LIBC_SRCTOP}/Versions.def 143SYMBOL_MAPS=${SYM_MAPS} 144CFLAGS+= -DSYMBOL_VERSIONING 145 146# If there are no machine dependent sources, append all the 147# machine-independent sources: 148.if empty(MDSRCS) 149SRCS+= ${MISRCS} 150.else 151# Append machine-dependent sources, then append machine-independent sources 152# for which there is no machine-dependent variant. 153SRCS+= ${MDSRCS} 154.for _src in ${MISRCS} 155.if ${MDSRCS:R:M${_src:R}} == "" 156SRCS+= ${_src} 157.endif 158.endfor 159.endif 160 161KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 162 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 163 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 164KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 165 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 166 167libkern: libkern.gen libkern.${LIBC_ARCH} 168 169libkern.gen: ${KQSRCS} ${KSRCS} 170 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 171 172libkern.${LIBC_ARCH}:: ${KMSRCS} 173.if defined(KMSRCS) && !empty(KMSRCS) 174 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 175.endif 176 177HAS_TESTS= 178SUBDIR.${MK_TESTS}+= tests 179 180.include <bsd.lib.mk> 181 182.if !defined(_SKIP_BUILD) 183# We need libutil.h, get it directly to avoid 184# recording a build dependency 185CFLAGS+= -I${SRCTOP}/lib/libutil 186# Same issue with libm 187MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 188# unfortunately msun/src contains both private and public headers 189CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 190.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 191CFLAGS+= -I${SRCTOP}/lib/msun/x86 192.endif 193CFLAGS+= -I${SRCTOP}/lib/msun/src 194# and we do not want to record a dependency on msun 195.if ${.MAKE.LEVEL} > 0 196GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 197.endif 198.endif 199 200# Disable warnings in contributed sources. 201CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 202# Disable stack protection for SSP symbols. 203SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 204# Generate stack unwinding tables for cancellation points 205CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 206