1 2PACKAGE= clibs 3SHLIBDIR?= /lib 4 5.include <src.opts.mk> 6 7LIBC_SRCTOP?= ${.CURDIR} 8 9# Pick the current architecture directory for libc. In general, this is named 10# MACHINE_CPUARCH, but some ABIs are different enough to require their own libc, 11# so allow a directory named MACHINE_ARCH to override this (though treat 12# powerpc64le and powerpc64 the same). 13# Note: This is copied to msun/Makefile 14M=${MACHINE_ARCH:S/powerpc64le/powerpc64/} 15.if exists(${LIBC_SRCTOP}/${M}) 16LIBC_ARCH=${M} 17.else 18LIBC_ARCH=${MACHINE_CPUARCH} 19.endif 20 21# All library objects contain FreeBSD revision strings by default; they may be 22# excluded as a space-saving measure. To produce a library that does 23# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 24# below. Note: there are no IDs for syscall stubs whose sources are generated. 25# To include legacy CSRG SCCS ID strings, remove -DNO__SCCSID from CFLAGS. 26# To include RCS ID strings from other BSD projects, remove -DNO__RCSID from CFLAGS. 27CFLAGS+=-DNO__SCCSID -DNO__RCSID 28 29LIB=c 30SHLIB_MAJOR= 7 31.if ${MK_SSP} != "no" && \ 32 (${LIBC_ARCH} == "i386" || ${LIBC_ARCH:Mpowerpc*} != "") 33SHLIB_LDSCRIPT=libc.ldscript 34.else 35SHLIB_LDSCRIPT=libc_nossp.ldscript 36.endif 37SHLIB_LDSCRIPT_LINKS=libxnet.so 38WARNS?= 2 39CFLAGS+=-I${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# Use a more efficient TLS model for libc since we can reasonably assume that 55# it will be loaded during program startup. 56CFLAGS+= -ftls-model=initial-exec 57 58# 59# Link with static libcompiler_rt.a. 60# 61LDFLAGS+= -nodefaultlibs 62LIBADD+= compiler_rt 63 64.if ${MK_SSP} != "no" && \ 65 (${LIBC_ARCH} == "i386" || ${LIBC_ARCH:Mpowerpc*} != "") 66LIBADD+= ssp_nonshared 67.endif 68 69# Extras that live in either libc.a or libc_nonshared.a 70LIBC_NONSHARED_SRCS= 71 72RTLD_ELF_DIR=${SRCTOP}/libexec/rtld-elf 73.if exists(${RTLD_ELF_DIR}/${MACHINE_ARCH:S/powerpc64le/powerpc64/}) 74RTLD_ARCH= ${MACHINE_ARCH:S/powerpc64le/powerpc64/} 75.else 76RTLD_ARCH= ${MACHINE_CPUARCH} 77.endif 78RTLD_HDRS= -I${RTLD_ELF_DIR}/${RTLD_ARCH} -I${RTLD_ELF_DIR} 79 80# Define (empty) variables so that make doesn't give substitution 81# errors if the included makefiles don't change these: 82MDSRCS= 83MISRCS= 84MDASM= 85MIASM= 86NOASM= 87 88.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 89.include "${LIBC_SRCTOP}/csu/Makefile.inc" 90.include "${LIBC_SRCTOP}/db/Makefile.inc" 91.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 92.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 93.include "${LIBC_SRCTOP}/gen/Makefile.inc" 94.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 95.if ${MK_ICONV} != "no" 96.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 97.endif 98.include "${LIBC_SRCTOP}/inet/Makefile.inc" 99.include "${LIBC_SRCTOP}/isc/Makefile.inc" 100.include "${LIBC_SRCTOP}/locale/Makefile.inc" 101.include "${LIBC_SRCTOP}/md/Makefile.inc" 102.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 103.include "${LIBC_SRCTOP}/net/Makefile.inc" 104.include "${LIBC_SRCTOP}/nls/Makefile.inc" 105.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 106.if ${MACHINE_ABI:Mlong32} 107.include "${LIBC_SRCTOP}/quad/Makefile.inc" 108.endif 109.include "${LIBC_SRCTOP}/regex/Makefile.inc" 110.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 111.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 112.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 113.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 114.include "${LIBC_SRCTOP}/string/Makefile.inc" 115.include "${LIBC_SRCTOP}/sys/Makefile.inc" 116.include "${LIBC_SRCTOP}/secure/Makefile.inc" 117.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 118.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 119.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 120.if (${LIBC_ARCH} == "arm" && (defined(CPUTYPE) && ${CPUTYPE:M*soft*})) 121.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 122.endif 123.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 124.include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" 125.include "${LIBC_SRCTOP}/x86/gen/Makefile.inc" 126.endif 127.if ${MK_NIS} != "no" 128CFLAGS+= -DYP 129.include "${LIBC_SRCTOP}/yp/Makefile.inc" 130.endif 131.include "${LIBC_SRCTOP}/capability/Makefile.inc" 132.if ${MK_HESIOD} != "no" 133CFLAGS+= -DHESIOD 134.endif 135.if ${MK_FP_LIBC} == "no" 136CFLAGS+= -DNO_FLOATING_POINT 137.endif 138.if ${MK_NS_CACHING} != "no" 139CFLAGS+= -DNS_CACHING 140.endif 141.if defined(_FREEFALL_CONFIG) 142CFLAGS+=-D_FREEFALL_CONFIG 143.endif 144 145STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 146 147VERSION_DEF=${LIBC_SRCTOP}/Versions.def 148SYMBOL_MAPS=${SYM_MAPS} 149 150# If there are no machine dependent sources, append all the 151# machine-independent sources: 152.if empty(MDSRCS) || ${MK_MACHDEP_OPTIMIZATIONS} == no 153SRCS+= ${MISRCS} 154.else 155# Append machine-dependent sources, then append machine-independent sources 156# for which there is no machine-dependent variant. 157SRCS+= ${MDSRCS} 158.for _src in ${MISRCS} 159.if ${MDSRCS:R:M${_src:R}} == "" 160SRCS+= ${_src} 161.endif 162.endfor 163.endif 164 165KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 166 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 167 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 168KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 169 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 170 171libkern: libkern.gen libkern.${LIBC_ARCH} 172 173libkern.gen: ${KQSRCS} ${KSRCS} 174 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 175 176libkern.${LIBC_ARCH}:: ${KMSRCS} 177.if defined(KMSRCS) && !empty(KMSRCS) 178 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 179.endif 180 181HAS_TESTS= 182SUBDIR.${MK_TESTS}+= tests 183 184.include <bsd.lib.mk> 185 186.if (${LIBC_ARCH} == amd64 || ${LIBC_ARCH} == i386) && \ 187 ${.TARGETS:Mall} == all && \ 188 defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mifunc} == "" 189.error ${LIBC_ARCH} libc requires linker ifunc support 190.endif 191 192.if !defined(_SKIP_BUILD) 193# We need libutil.h, get it directly to avoid 194# recording a build dependency 195CFLAGS+= -I${SRCTOP}/lib/libutil 196# Same issue with libm 197MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 198# unfortunately msun/src contains both private and public headers 199CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 200.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 201CFLAGS+= -I${SRCTOP}/lib/msun/x86 202.endif 203CFLAGS+= -I${SRCTOP}/lib/msun/src 204# and we do not want to record a dependency on msun 205.if ${.MAKE.LEVEL} > 0 206GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 207.endif 208.endif 209 210# Disable warnings in contributed sources. 211CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 212# Disable stack protection for SSP symbols. 213SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 214# Generate stack unwinding tables for cancellation points 215CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 216