1# @(#)Makefile 8.2 (Berkeley) 2/3/94 2# $FreeBSD$ 3 4SHLIBDIR?= /lib 5 6.include <src.opts.mk> 7 8# Force building of libc_pic.a 9MK_TOOLCHAIN= yes 10 11LIBC_SRCTOP?= ${.CURDIR} 12 13# Pick the current architecture directory for libc. In general, this is 14# named MACHINE_CPUARCH, but some ABIs are different enough to require 15# their own libc, so allow a directory named MACHINE_ARCH to override this. 16 17.if exists(${LIBC_SRCTOP}/${MACHINE_ARCH}) 18LIBC_ARCH=${MACHINE_ARCH} 19.else 20LIBC_ARCH=${MACHINE_CPUARCH} 21.endif 22 23# All library objects contain FreeBSD revision strings by default; they may be 24# excluded as a space-saving measure. To produce a library that does 25# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 26# below. Note: there are no IDs for syscall stubs whose sources are generated. 27# To include legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS 28# to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs. 29LIB=c 30SHLIB_MAJOR= 7 31SHLIB_LDSCRIPT=libc.ldscript 32SHLIB_LDSCRIPT_LINKS=libxnet.so 33WARNS?= 2 34CFLAGS+=-I${LIBC_SRCTOP}/include -I${LIBC_SRCTOP}/../../include 35CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} 36.if ${MK_NLS} != "no" 37CFLAGS+=-DNLS 38.endif 39CLEANFILES+=tags 40INSTALL_PIC_ARCHIVE= 41PRECIOUSLIB= 42 43.ifndef NO_THREAD_STACK_UNWIND 44CANCELPOINTS_CFLAGS=-fexceptions 45CFLAGS+=${CANCELPOINTS_CFLAGS} 46.endif 47 48# 49# Link with static libcompiler_rt.a. 50# 51LDFLAGS+= -nodefaultlibs 52LIBADD+= compiler_rt 53 54.if ${MK_SSP} != "no" 55LIBADD+= ssp_nonshared 56.endif 57 58# Extras that live in either libc.a or libc_nonshared.a 59LIBC_NONSHARED_SRCS= 60 61# Define (empty) variables so that make doesn't give substitution 62# errors if the included makefiles don't change these: 63MDSRCS= 64MISRCS= 65MDASM= 66MIASM= 67NOASM= 68 69.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 70.include "${LIBC_SRCTOP}/db/Makefile.inc" 71.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 72.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 73.include "${LIBC_SRCTOP}/gen/Makefile.inc" 74.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 75.if ${MK_ICONV} != "no" 76.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 77.endif 78.include "${LIBC_SRCTOP}/inet/Makefile.inc" 79.include "${LIBC_SRCTOP}/isc/Makefile.inc" 80.include "${LIBC_SRCTOP}/locale/Makefile.inc" 81.include "${LIBC_SRCTOP}/md/Makefile.inc" 82.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 83.include "${LIBC_SRCTOP}/net/Makefile.inc" 84.include "${LIBC_SRCTOP}/nls/Makefile.inc" 85.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 86.if ${LIBC_ARCH} != "aarch64" && \ 87 ${LIBC_ARCH} != "amd64" && \ 88 ${LIBC_ARCH} != "powerpc64" && \ 89 ${LIBC_ARCH} != "riscv" && \ 90 ${LIBC_ARCH} != "sparc64" && \ 91 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 92 ${MACHINE_ARCH:Mmips64*} == "" 93.include "${LIBC_SRCTOP}/quad/Makefile.inc" 94.endif 95.include "${LIBC_SRCTOP}/regex/Makefile.inc" 96.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 97.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 98.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 99.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" 100.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 101.include "${LIBC_SRCTOP}/string/Makefile.inc" 102.include "${LIBC_SRCTOP}/sys/Makefile.inc" 103.include "${LIBC_SRCTOP}/secure/Makefile.inc" 104.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 105.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 106.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 107.if (${LIBC_ARCH} == "arm" && ${MACHINE_ARCH} != "armv6hf") ||\ 108 ${LIBC_ARCH} == "mips" 109.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 110.endif 111.if ${MK_NIS} != "no" 112CFLAGS+= -DYP 113.include "${LIBC_SRCTOP}/yp/Makefile.inc" 114.endif 115.include "${LIBC_SRCTOP}/capability/Makefile.inc" 116.if ${MK_HESIOD} != "no" 117CFLAGS+= -DHESIOD 118.endif 119.if ${MK_FP_LIBC} == "no" 120CFLAGS+= -DNO_FLOATING_POINT 121.endif 122.if ${MK_NS_CACHING} != "no" 123CFLAGS+= -DNS_CACHING 124.endif 125.if defined(_FREEFALL_CONFIG) 126CFLAGS+=-D_FREEFALL_CONFIG 127.endif 128 129STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 130 131VERSION_DEF=${LIBC_SRCTOP}/Versions.def 132SYMBOL_MAPS=${SYM_MAPS} 133CFLAGS+= -DSYMBOL_VERSIONING 134 135# If there are no machine dependent sources, append all the 136# machine-independent sources: 137.if empty(MDSRCS) 138SRCS+= ${MISRCS} 139.else 140# Append machine-dependent sources, then append machine-independent sources 141# for which there is no machine-dependent variant. 142SRCS+= ${MDSRCS} 143.for _src in ${MISRCS} 144.if ${MDSRCS:R:M${_src:R}} == "" 145SRCS+= ${_src} 146.endif 147.endfor 148.endif 149 150KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 151 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 152 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 153KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 154 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 155 156libkern: libkern.gen libkern.${LIBC_ARCH} 157 158libkern.gen: ${KQSRCS} ${KSRCS} 159 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 160 161libkern.${LIBC_ARCH}:: ${KMSRCS} 162.if defined(KMSRCS) && !empty(KMSRCS) 163 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 164.endif 165 166.if ${MK_TESTS} != "no" 167SUBDIR+= tests 168.endif 169 170.include <bsd.lib.mk> 171 172.if !defined(_SKIP_BUILD) 173# We need libutil.h, get it directly to avoid 174# recording a build dependency 175CFLAGS+= -I${SRCTOP}/lib/libutil 176# Same issue with libm 177MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 178# unfortunately msun/src contains both private and public headers 179CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 180.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 181CFLAGS+= -I${SRCTOP}/lib/msun/x86 182.endif 183CFLAGS+= -I${SRCTOP}/lib/msun/src 184# and we do not want to record a dependency on msun 185.if ${.MAKE.LEVEL} > 0 186GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 187.endif 188.endif 189 190# Disable warnings in contributed sources. 191CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 192# XXX For now, we don't allow libc to be compiled with 193# -fstack-protector-all because it breaks rtld. We may want to make a librtld 194# in the future to circumvent this. 195SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/} 196# Disable stack protection for SSP symbols. 197SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 198# Generate stack unwinding tables for cancellation points 199CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 200