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${LIBC_SRCTOP}/../../include 40CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} 41.if ${MK_NLS} != "no" 42CFLAGS+=-DNLS 43.endif 44CLEANFILES+=tags 45INSTALL_PIC_ARCHIVE= 46PRECIOUSLIB= 47 48.ifndef NO_THREAD_STACK_UNWIND 49CANCELPOINTS_CFLAGS=-fexceptions 50CFLAGS+=${CANCELPOINTS_CFLAGS} 51.endif 52 53# 54# Link with static libcompiler_rt.a. 55# 56LDFLAGS+= -nodefaultlibs 57LIBADD+= compiler_rt 58 59.if ${MK_SSP} != "no" 60LIBADD+= ssp_nonshared 61.endif 62 63# Extras that live in either libc.a or libc_nonshared.a 64LIBC_NONSHARED_SRCS= 65 66# Define (empty) variables so that make doesn't give substitution 67# errors if the included makefiles don't change these: 68MDSRCS= 69MISRCS= 70MDASM= 71MIASM= 72NOASM= 73 74.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 75.include "${LIBC_SRCTOP}/db/Makefile.inc" 76.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 77.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 78.include "${LIBC_SRCTOP}/gen/Makefile.inc" 79.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 80.if ${MK_ICONV} != "no" 81.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 82.endif 83.include "${LIBC_SRCTOP}/inet/Makefile.inc" 84.include "${LIBC_SRCTOP}/isc/Makefile.inc" 85.include "${LIBC_SRCTOP}/locale/Makefile.inc" 86.include "${LIBC_SRCTOP}/md/Makefile.inc" 87.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 88.include "${LIBC_SRCTOP}/net/Makefile.inc" 89.include "${LIBC_SRCTOP}/nls/Makefile.inc" 90.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 91.if ${LIBC_ARCH} != "aarch64" && \ 92 ${LIBC_ARCH} != "amd64" && \ 93 ${LIBC_ARCH} != "powerpc64" && \ 94 ${LIBC_ARCH} != "riscv" && \ 95 ${LIBC_ARCH} != "sparc64" && \ 96 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 97 ${MACHINE_ARCH:Mmips64*} == "" 98.include "${LIBC_SRCTOP}/quad/Makefile.inc" 99.endif 100.include "${LIBC_SRCTOP}/regex/Makefile.inc" 101.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 102.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 103.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 104.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" 105.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 106.include "${LIBC_SRCTOP}/string/Makefile.inc" 107.include "${LIBC_SRCTOP}/sys/Makefile.inc" 108.include "${LIBC_SRCTOP}/secure/Makefile.inc" 109.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 110.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 111.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 112.if (${LIBC_ARCH} == "arm" && \ 113 (${MACHINE_ARCH:Marmv6*} == "" || (defined(CPUTYPE) && ${CPUTYPE:M*soft*}))) || \ 114 ${LIBC_ARCH} == "mips" 115.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 116.endif 117.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 118.include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" 119.endif 120.if ${MK_NIS} != "no" 121CFLAGS+= -DYP 122.include "${LIBC_SRCTOP}/yp/Makefile.inc" 123.endif 124.include "${LIBC_SRCTOP}/capability/Makefile.inc" 125.if ${MK_HESIOD} != "no" 126CFLAGS+= -DHESIOD 127.endif 128.if ${MK_FP_LIBC} == "no" 129CFLAGS+= -DNO_FLOATING_POINT 130.endif 131.if ${MK_NS_CACHING} != "no" 132CFLAGS+= -DNS_CACHING 133.endif 134.if defined(_FREEFALL_CONFIG) 135CFLAGS+=-D_FREEFALL_CONFIG 136.endif 137 138STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 139 140VERSION_DEF=${LIBC_SRCTOP}/Versions.def 141SYMBOL_MAPS=${SYM_MAPS} 142CFLAGS+= -DSYMBOL_VERSIONING 143 144# If there are no machine dependent sources, append all the 145# machine-independent sources: 146.if empty(MDSRCS) 147SRCS+= ${MISRCS} 148.else 149# Append machine-dependent sources, then append machine-independent sources 150# for which there is no machine-dependent variant. 151SRCS+= ${MDSRCS} 152.for _src in ${MISRCS} 153.if ${MDSRCS:R:M${_src:R}} == "" 154SRCS+= ${_src} 155.endif 156.endfor 157.endif 158 159KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 160 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 161 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 162KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 163 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 164 165libkern: libkern.gen libkern.${LIBC_ARCH} 166 167libkern.gen: ${KQSRCS} ${KSRCS} 168 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 169 170libkern.${LIBC_ARCH}:: ${KMSRCS} 171.if defined(KMSRCS) && !empty(KMSRCS) 172 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 173.endif 174 175.if ${MK_TESTS} != "no" 176SUBDIR+= tests 177.endif 178 179.include <bsd.lib.mk> 180 181.if !defined(_SKIP_BUILD) 182# We need libutil.h, get it directly to avoid 183# recording a build dependency 184CFLAGS+= -I${SRCTOP}/lib/libutil 185# Same issue with libm 186MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 187# unfortunately msun/src contains both private and public headers 188CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 189.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 190CFLAGS+= -I${SRCTOP}/lib/msun/x86 191.endif 192CFLAGS+= -I${SRCTOP}/lib/msun/src 193# and we do not want to record a dependency on msun 194.if ${.MAKE.LEVEL} > 0 195GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 196.endif 197.endif 198 199# Disable warnings in contributed sources. 200CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 201# XXX For now, we don't allow libc to be compiled with 202# -fstack-protector-all because it breaks rtld. We may want to make a librtld 203# in the future to circumvent this. 204SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/} 205# Disable stack protection for SSP symbols. 206SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 207# Generate stack unwinding tables for cancellation points 208CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 209