1 2PACKAGE= clibs 3SHLIBDIR?= /lib 4 5.include <src.opts.mk> 6 7LIBC_SRCTOP?= ${.CURDIR} 8LIBSYS_SRCTOP?= ${.CURDIR:H}/libsys 9 10# Pick the current architecture directory for libc. In general, this is named 11# MACHINE_CPUARCH, but some ABIs are different enough to require their own libc, 12# so allow a directory named MACHINE_ARCH to override this (though treat 13# powerpc64le and powerpc64 the same). 14# Note: This is copied to msun/Makefile 15M=${MACHINE_ARCH:S/powerpc64le/powerpc64/} 16.if exists(${LIBC_SRCTOP}/${M}) 17LIBC_ARCH=${M} 18.else 19LIBC_ARCH=${MACHINE_CPUARCH} 20.endif 21 22# All library objects contain FreeBSD revision strings by default; they may be 23# excluded as a space-saving measure. To produce a library that does 24# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 25# below. Note: there are no IDs for syscall stubs whose sources are generated. 26# To include legacy CSRG SCCS ID strings, remove -DNO__SCCSID from CFLAGS. 27# To include RCS ID strings from other BSD projects, remove -DNO__RCSID from CFLAGS. 28CFLAGS+=-DNO__SCCSID -DNO__RCSID 29 30LIB=c 31SHLIB_MAJOR= 7 32.if ${MK_SSP} != "no" && \ 33 (${LIBC_ARCH} == "i386" || ${LIBC_ARCH:Mpowerpc*} != "") 34SHLIB_LDSCRIPT=libc.ldscript 35.else 36SHLIB_LDSCRIPT=libc_nossp.ldscript 37.endif 38SHLIB_LDSCRIPT_LINKS=libxnet.so 39WARNS?= 2 40CFLAGS+=-I${LIBC_SRCTOP}/include -I${SRCTOP}/include 41CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} 42CFLAGS+=-I${LIBSYS_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# Use a more efficient TLS model for libc since we can reasonably assume that 57# it will be loaded during program startup. 58CFLAGS+= -ftls-model=initial-exec 59 60# 61# Link with static libcompiler_rt.a. 62# 63LDFLAGS+= -nodefaultlibs 64LIBADD+= compiler_rt 65 66.if ${MK_SSP} != "no" && \ 67 (${LIBC_ARCH} == "i386" || ${LIBC_ARCH:Mpowerpc*} != "") 68LIBADD+= ssp_nonshared 69.endif 70 71# Extras that live in either libc.a or libc_nonshared.a 72LIBC_NONSHARED_SRCS= 73 74RTLD_ELF_DIR=${SRCTOP}/libexec/rtld-elf 75.if exists(${RTLD_ELF_DIR}/${MACHINE_ARCH:S/powerpc64le/powerpc64/}) 76RTLD_ARCH= ${MACHINE_ARCH:S/powerpc64le/powerpc64/} 77.else 78RTLD_ARCH= ${MACHINE_CPUARCH} 79.endif 80RTLD_HDRS= -I${RTLD_ELF_DIR}/${RTLD_ARCH} -I${RTLD_ELF_DIR} 81 82# Define (empty) variables so that make doesn't give substitution 83# errors if the included makefiles don't change these: 84MDSRCS= 85MISRCS= 86MDASM= 87MIASM= 88NOASM= 89 90.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 91.include "${LIBC_SRCTOP}/csu/Makefile.inc" 92.include "${LIBC_SRCTOP}/db/Makefile.inc" 93.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 94.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 95.include "${LIBC_SRCTOP}/gen/Makefile.inc" 96.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 97.if ${MK_ICONV} != "no" 98.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 99.endif 100.include "${LIBC_SRCTOP}/inet/Makefile.inc" 101.include "${LIBC_SRCTOP}/isc/Makefile.inc" 102.include "${LIBC_SRCTOP}/locale/Makefile.inc" 103.include "${LIBC_SRCTOP}/md/Makefile.inc" 104.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 105.include "${LIBC_SRCTOP}/net/Makefile.inc" 106.include "${LIBC_SRCTOP}/nls/Makefile.inc" 107.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 108.if ${MACHINE_ABI:Mlong32} 109.include "${LIBC_SRCTOP}/quad/Makefile.inc" 110.endif 111.include "${LIBC_SRCTOP}/regex/Makefile.inc" 112.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 113.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 114.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 115.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 116.include "${LIBC_SRCTOP}/string/Makefile.inc" 117.include "${LIBSYS_SRCTOP}/Makefile.sys" 118.include "${LIBC_SRCTOP}/secure/Makefile.inc" 119.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 120.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 121.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 122.if (${LIBC_ARCH} == "arm" && (defined(CPUTYPE) && ${CPUTYPE:M*soft*})) 123.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 124.endif 125.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 126.include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" 127.include "${LIBC_SRCTOP}/x86/gen/Makefile.inc" 128.endif 129.if ${MK_NIS} != "no" 130CFLAGS+= -DYP 131.include "${LIBC_SRCTOP}/yp/Makefile.inc" 132.endif 133.include "${LIBC_SRCTOP}/capability/Makefile.inc" 134.if ${MK_HESIOD} != "no" 135CFLAGS+= -DHESIOD 136.endif 137.if ${MK_FP_LIBC} == "no" 138CFLAGS+= -DNO_FLOATING_POINT 139.endif 140.if ${MK_NS_CACHING} != "no" 141CFLAGS+= -DNS_CACHING 142.endif 143.if defined(_FREEFALL_CONFIG) 144CFLAGS+=-D_FREEFALL_CONFIG 145.endif 146 147STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 148 149VERSION_DEF=${LIBC_SRCTOP}/Versions.def 150SYMBOL_MAPS=${SYM_MAPS} 151 152# If there are no machine dependent sources, append all the 153# machine-independent sources: 154.if empty(MDSRCS) || ${MK_MACHDEP_OPTIMIZATIONS} == no 155SRCS+= ${MISRCS} 156.else 157# Append machine-dependent sources, then append machine-independent sources 158# for which there is no machine-dependent variant. 159SRCS+= ${MDSRCS} 160.for _src in ${MISRCS} 161.if ${MDSRCS:R:M${_src:R}} == "" 162SRCS+= ${_src} 163.endif 164.endfor 165.endif 166 167KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 168 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 169 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 170KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 171 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 172 173libkern: libkern.gen libkern.${LIBC_ARCH} 174 175libkern.gen: ${KQSRCS} ${KSRCS} 176 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 177 178libkern.${LIBC_ARCH}:: ${KMSRCS} 179.if defined(KMSRCS) && !empty(KMSRCS) 180 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 181.endif 182 183HAS_TESTS= 184SUBDIR.${MK_TESTS}+= tests 185 186.include <bsd.lib.mk> 187 188.if (${LIBC_ARCH} == amd64 || ${LIBC_ARCH} == i386) && \ 189 ${.TARGETS:Mall} == all && \ 190 defined(LINKER_FEATURES) && ${LINKER_FEATURES:Mifunc} == "" 191.error ${LIBC_ARCH} libc requires linker ifunc support 192.endif 193 194.if !defined(_SKIP_BUILD) 195# We need libutil.h, get it directly to avoid 196# recording a build dependency 197CFLAGS+= -I${SRCTOP}/lib/libutil 198# Same issue with libm 199MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 200# unfortunately msun/src contains both private and public headers 201CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 202.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 203CFLAGS+= -I${SRCTOP}/lib/msun/x86 204.endif 205CFLAGS+= -I${SRCTOP}/lib/msun/src 206# and we do not want to record a dependency on msun 207.if ${.MAKE.LEVEL} > 0 208GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 209.endif 210.endif 211 212# Disable warnings in contributed sources. 213CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 214# Disable stack protection for SSP symbols. 215SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 216# Generate stack unwinding tables for cancellation points 217CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 218