1# @(#)Makefile 8.2 (Berkeley) 2/3/94 2 3PACKAGE= clibs 4SHLIBDIR?= /lib 5 6.include <src.opts.mk> 7 8LIBC_SRCTOP?= ${.CURDIR} 9 10# Pick the current architecture directory for libc. In general, this is named 11# MACHINE_CPUARCH, but some ABIs are different enough to require their own libc, 12# so allow a directory named MACHINE_ARCH to override this (though treat 13# powerpc64le and powerpc64 the same). 14# Note: This is copeid to msun/Makefile 15M=${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} 42.if ${MK_NLS} != "no" 43CFLAGS+=-DNLS 44.endif 45CLEANFILES+=tags 46INSTALL_PIC_ARCHIVE= 47BUILD_NOSSP_PIC_ARCHIVE= 48PRECIOUSLIB= 49 50.ifndef NO_THREAD_STACK_UNWIND 51CANCELPOINTS_CFLAGS=-fexceptions 52CFLAGS+=${CANCELPOINTS_CFLAGS} 53.endif 54 55# Use a more efficient TLS model for libc since we can reasonably assume that 56# it will be loaded during program startup. 57CFLAGS+= -ftls-model=initial-exec 58 59# 60# Link with static libcompiler_rt.a. 61# 62LDFLAGS+= -nodefaultlibs 63LIBADD+= compiler_rt 64 65.if ${MK_SSP} != "no" && \ 66 (${LIBC_ARCH} == "i386" || ${LIBC_ARCH:Mpowerpc*} != "") 67LIBADD+= ssp_nonshared 68.endif 69 70# Extras that live in either libc.a or libc_nonshared.a 71LIBC_NONSHARED_SRCS= 72 73RTLD_ELF_DIR=${SRCTOP}/libexec/rtld-elf 74.if exists(${RTLD_ELF_DIR}/${MACHINE_ARCH:S/powerpc64le/powerpc64/}) 75RTLD_ARCH= ${MACHINE_ARCH:S/powerpc64le/powerpc64/} 76.else 77RTLD_ARCH= ${MACHINE_CPUARCH} 78.endif 79RTLD_HDRS= -I${RTLD_ELF_DIR}/${RTLD_ARCH} -I${RTLD_ELF_DIR} 80 81# Define (empty) variables so that make doesn't give substitution 82# errors if the included makefiles don't change these: 83MDSRCS= 84MISRCS= 85MDASM= 86MIASM= 87NOASM= 88 89.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 90.include "${LIBC_SRCTOP}/csu/Makefile.inc" 91.include "${LIBC_SRCTOP}/db/Makefile.inc" 92.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 93.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 94.include "${LIBC_SRCTOP}/gen/Makefile.inc" 95.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 96.if ${MK_ICONV} != "no" 97.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 98.endif 99.include "${LIBC_SRCTOP}/inet/Makefile.inc" 100.include "${LIBC_SRCTOP}/isc/Makefile.inc" 101.include "${LIBC_SRCTOP}/locale/Makefile.inc" 102.include "${LIBC_SRCTOP}/md/Makefile.inc" 103.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 104.include "${LIBC_SRCTOP}/net/Makefile.inc" 105.include "${LIBC_SRCTOP}/nls/Makefile.inc" 106.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 107.if ${MACHINE_ABI:Mlong32} 108.include "${LIBC_SRCTOP}/quad/Makefile.inc" 109.endif 110.include "${LIBC_SRCTOP}/regex/Makefile.inc" 111.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 112.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 113.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 114.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 115.include "${LIBC_SRCTOP}/string/Makefile.inc" 116.include "${LIBC_SRCTOP}/sys/Makefile.inc" 117.include "${LIBC_SRCTOP}/secure/Makefile.inc" 118.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 119.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 120.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 121.if (${LIBC_ARCH} == "arm" && (defined(CPUTYPE) && ${CPUTYPE:M*soft*})) 122.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 123.endif 124.if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" 125.include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" 126.include "${LIBC_SRCTOP}/x86/gen/Makefile.inc" 127.endif 128.if ${MK_NIS} != "no" 129CFLAGS+= -DYP 130.include "${LIBC_SRCTOP}/yp/Makefile.inc" 131.endif 132.include "${LIBC_SRCTOP}/capability/Makefile.inc" 133.if ${MK_HESIOD} != "no" 134CFLAGS+= -DHESIOD 135.endif 136.if ${MK_FP_LIBC} == "no" 137CFLAGS+= -DNO_FLOATING_POINT 138.endif 139.if ${MK_NS_CACHING} != "no" 140CFLAGS+= -DNS_CACHING 141.endif 142.if defined(_FREEFALL_CONFIG) 143CFLAGS+=-D_FREEFALL_CONFIG 144.endif 145 146STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 147 148VERSION_DEF=${LIBC_SRCTOP}/Versions.def 149SYMBOL_MAPS=${SYM_MAPS} 150CFLAGS+= -DSYMBOL_VERSIONING 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