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=${MACHINE_CPUARCH} 22.endif 23 24# All library objects contain FreeBSD revision strings by default; they may be 25# excluded as a space-saving measure. To produce a library that does 26# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 27# below. Note: there are no IDs for syscall stubs whose sources are generated. 28# To include legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS 29# to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs. 30LIB=c 31SHLIB_MAJOR= 7 32SHLIB_LDSCRIPT=libc.ldscript 33SHLIB_LDSCRIPT_LINKS=libxnet.so 34WARNS?= 2 35CFLAGS+=-I${LIBC_SRCTOP}/include -I${LIBC_SRCTOP}/../../include 36CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} 37.if ${MK_NLS} != "no" 38CFLAGS+=-DNLS 39.endif 40CLEANFILES+=tags 41INSTALL_PIC_ARCHIVE= 42PRECIOUSLIB= 43 44.ifndef NO_THREAD_STACK_UNWIND 45CANCELPOINTS_CFLAGS=-fexceptions 46CFLAGS+=${CANCELPOINTS_CFLAGS} 47.endif 48 49# 50# Link with static libcompiler_rt.a. 51# 52LDFLAGS+= -nodefaultlibs 53LIBADD+= compiler_rt 54 55.if ${MK_SSP} != "no" 56LIBADD+= ssp_nonshared 57.endif 58 59# Extras that live in either libc.a or libc_nonshared.a 60LIBC_NONSHARED_SRCS= 61 62# Define (empty) variables so that make doesn't give substitution 63# errors if the included makefiles don't change these: 64MDSRCS= 65MISRCS= 66MDASM= 67MIASM= 68NOASM= 69 70.include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" 71.include "${LIBC_SRCTOP}/db/Makefile.inc" 72.include "${LIBC_SRCTOP}/compat-43/Makefile.inc" 73.include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" 74.include "${LIBC_SRCTOP}/gen/Makefile.inc" 75.include "${LIBC_SRCTOP}/gmon/Makefile.inc" 76.if ${MK_ICONV} != "no" 77.include "${LIBC_SRCTOP}/iconv/Makefile.inc" 78.endif 79.include "${LIBC_SRCTOP}/inet/Makefile.inc" 80.include "${LIBC_SRCTOP}/isc/Makefile.inc" 81.include "${LIBC_SRCTOP}/locale/Makefile.inc" 82.include "${LIBC_SRCTOP}/md/Makefile.inc" 83.include "${LIBC_SRCTOP}/nameser/Makefile.inc" 84.include "${LIBC_SRCTOP}/net/Makefile.inc" 85.include "${LIBC_SRCTOP}/nls/Makefile.inc" 86.include "${LIBC_SRCTOP}/posix1e/Makefile.inc" 87.if ${LIBC_ARCH} != "aarch64" && \ 88 ${LIBC_ARCH} != "amd64" && \ 89 ${LIBC_ARCH} != "powerpc64" && \ 90 ${LIBC_ARCH} != "riscv" && \ 91 ${LIBC_ARCH} != "sparc64" && \ 92 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 93 ${MACHINE_ARCH:Mmips64*} == "" 94.include "${LIBC_SRCTOP}/quad/Makefile.inc" 95.endif 96.include "${LIBC_SRCTOP}/regex/Makefile.inc" 97.include "${LIBC_SRCTOP}/resolv/Makefile.inc" 98.include "${LIBC_SRCTOP}/stdio/Makefile.inc" 99.include "${LIBC_SRCTOP}/stdlib/Makefile.inc" 100.include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" 101.include "${LIBC_SRCTOP}/stdtime/Makefile.inc" 102.include "${LIBC_SRCTOP}/string/Makefile.inc" 103.include "${LIBC_SRCTOP}/sys/Makefile.inc" 104.include "${LIBC_SRCTOP}/secure/Makefile.inc" 105.include "${LIBC_SRCTOP}/rpc/Makefile.inc" 106.include "${LIBC_SRCTOP}/uuid/Makefile.inc" 107.include "${LIBC_SRCTOP}/xdr/Makefile.inc" 108.if (${LIBC_ARCH} == "arm" && ${MACHINE_ARCH} != "armv6hf") ||\ 109 ${LIBC_ARCH} == "mips" 110.include "${LIBC_SRCTOP}/softfloat/Makefile.inc" 111.endif 112.if ${MK_NIS} != "no" 113CFLAGS+= -DYP 114.include "${LIBC_SRCTOP}/yp/Makefile.inc" 115.endif 116.include "${LIBC_SRCTOP}/capability/Makefile.inc" 117.if ${MK_HESIOD} != "no" 118CFLAGS+= -DHESIOD 119.endif 120.if ${MK_FP_LIBC} == "no" 121CFLAGS+= -DNO_FLOATING_POINT 122.endif 123.if ${MK_NS_CACHING} != "no" 124CFLAGS+= -DNS_CACHING 125.endif 126.if defined(_FREEFALL_CONFIG) 127CFLAGS+=-D_FREEFALL_CONFIG 128.endif 129 130STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 131 132VERSION_DEF=${LIBC_SRCTOP}/Versions.def 133SYMBOL_MAPS=${SYM_MAPS} 134CFLAGS+= -DSYMBOL_VERSIONING 135 136# If there are no machine dependent sources, append all the 137# machine-independent sources: 138.if empty(MDSRCS) 139SRCS+= ${MISRCS} 140.else 141# Append machine-dependent sources, then append machine-independent sources 142# for which there is no machine-dependent variant. 143SRCS+= ${MDSRCS} 144.for _src in ${MISRCS} 145.if ${MDSRCS:R:M${_src:R}} == "" 146SRCS+= ${_src} 147.endif 148.endfor 149.endif 150 151KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 152 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 153 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 154KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 155 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 156 157libkern: libkern.gen libkern.${LIBC_ARCH} 158 159libkern.gen: ${KQSRCS} ${KSRCS} 160 ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 161 162libkern.${LIBC_ARCH}:: ${KMSRCS} 163.if defined(KMSRCS) && !empty(KMSRCS) 164 ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 165.endif 166 167.if ${MK_TESTS} != "no" 168SUBDIR+= tests 169.endif 170 171.include <bsd.lib.mk> 172 173.if !defined(_SKIP_BUILD) 174# We need libutil.h, get it directly to avoid 175# recording a build dependency 176CFLAGS+= -I${SRCTOP}/lib/libutil 177# Same issue with libm 178MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR 179# unfortunately msun/src contains both private and public headers 180CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} 181.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" 182CFLAGS+= -I${SRCTOP}/lib/msun/x86 183.endif 184CFLAGS+= -I${SRCTOP}/lib/msun/src 185# and we do not want to record a dependency on msun 186.if ${.MAKE.LEVEL} > 0 187GENDIRDEPS_FILTER+= N${RELDIR:H}/msun 188.endif 189.endif 190 191# Disable warnings in contributed sources. 192CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 193# XXX For now, we don't allow libc to be compiled with 194# -fstack-protector-all because it breaks rtld. We may want to make a librtld 195# in the future to circumvent this. 196SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/} 197# Disable stack protection for SSP symbols. 198SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 199# Generate stack unwinding tables for cancellation points 200CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 201