1# @(#)Makefile 8.2 (Berkeley) 2/3/94 2# $FreeBSD$ 3 4SHLIBDIR?= /lib 5 6.include <bsd.own.mk> 7 8# Pick the current architecture directory for libc. In general, this is 9# named MACHINE_CPUARCH, but some ABIs are different enough to require 10# their own libc, so allow a directory named MACHINE_ARCH to override this. 11 12.if exists(${.CURDIR}/${MACHINE_ARCH}) 13LIBC_ARCH=${MACHINE_ARCH} 14.else 15LIBC_ARCH=${MACHINE_CPUARCH} 16.endif 17 18# All library objects contain FreeBSD revision strings by default; they may be 19# excluded as a space-saving measure. To produce a library that does 20# not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS 21# below. Note: there are no IDs for syscall stubs whose sources are generated. 22# To include legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS 23# to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs. 24LIB=c 25SHLIB_MAJOR= 7 26SHLIB_LDSCRIPT=libc.ldscript 27WARNS?= 2 28CFLAGS+=-I${.CURDIR}/include -I${.CURDIR}/../../include 29CFLAGS+=-I${.CURDIR}/${LIBC_ARCH} 30.if ${MK_NLS} != "no" 31CFLAGS+=-DNLS 32.endif 33CLEANFILES+=tags 34INSTALL_PIC_ARCHIVE= 35PRECIOUSLIB= 36 37.ifndef NO_THREAD_STACK_UNWIND 38CANCELPOINTS_CFLAGS=-fexceptions 39CFLAGS+=${CANCELPOINTS_CFLAGS} 40.endif 41 42# 43# Link with static libcompiler_rt.a. 44# 45DPADD+= ${LIBCOMPILER_RT} 46LDFLAGS+= -nodefaultlibs 47LDADD+= -lcompiler_rt 48 49.if ${MK_SSP} != "no" 50LDADD+= -lssp_nonshared 51.endif 52 53# Extras that live in either libc.a or libc_nonshared.a 54LIBC_NONSHARED_SRCS= 55 56# Define (empty) variables so that make doesn't give substitution 57# errors if the included makefiles don't change these: 58MDSRCS= 59MISRCS= 60MDASM= 61MIASM= 62NOASM= 63 64.include "${.CURDIR}/${LIBC_ARCH}/Makefile.inc" 65.include "${.CURDIR}/db/Makefile.inc" 66.include "${.CURDIR}/compat-43/Makefile.inc" 67.include "${.CURDIR}/gdtoa/Makefile.inc" 68.include "${.CURDIR}/gen/Makefile.inc" 69.include "${.CURDIR}/gmon/Makefile.inc" 70.if ${MK_ICONV} != "no" 71.include "${.CURDIR}/iconv/Makefile.inc" 72.endif 73.include "${.CURDIR}/inet/Makefile.inc" 74.include "${.CURDIR}/isc/Makefile.inc" 75.include "${.CURDIR}/locale/Makefile.inc" 76.include "${.CURDIR}/nameser/Makefile.inc" 77.include "${.CURDIR}/net/Makefile.inc" 78.include "${.CURDIR}/nls/Makefile.inc" 79.include "${.CURDIR}/posix1e/Makefile.inc" 80.if ${LIBC_ARCH} != "amd64" && \ 81 ${LIBC_ARCH} != "ia64" && \ 82 ${LIBC_ARCH} != "powerpc64" && \ 83 ${LIBC_ARCH} != "sparc64" && \ 84 ${MACHINE_ARCH:Mmipsn32*} == "" && \ 85 ${MACHINE_ARCH:Mmips64*} == "" 86.include "${.CURDIR}/quad/Makefile.inc" 87.endif 88.include "${.CURDIR}/regex/Makefile.inc" 89.include "${.CURDIR}/resolv/Makefile.inc" 90.include "${.CURDIR}/stdio/Makefile.inc" 91.include "${.CURDIR}/stdlib/Makefile.inc" 92.include "${.CURDIR}/stdlib/jemalloc/Makefile.inc" 93.include "${.CURDIR}/stdtime/Makefile.inc" 94.include "${.CURDIR}/string/Makefile.inc" 95.include "${.CURDIR}/sys/Makefile.inc" 96.include "${.CURDIR}/rpc/Makefile.inc" 97.include "${.CURDIR}/uuid/Makefile.inc" 98.include "${.CURDIR}/xdr/Makefile.inc" 99.if ${LIBC_ARCH} == "arm" || ${LIBC_ARCH} == "mips" 100.include "${.CURDIR}/softfloat/Makefile.inc" 101.endif 102.if ${MK_NIS} != "no" 103CFLAGS+= -DYP 104.include "${.CURDIR}/yp/Makefile.inc" 105.endif 106.include "${.CURDIR}/capability/Makefile.inc" 107.if ${MK_HESIOD} != "no" 108CFLAGS+= -DHESIOD 109.endif 110.if ${MK_FP_LIBC} == "no" 111CFLAGS+= -DNO_FLOATING_POINT 112.endif 113.if ${MK_NS_CACHING} != "no" 114CFLAGS+= -DNS_CACHING 115.endif 116.if defined(_FREEFALL_CONFIG) 117CFLAGS+=-D_FREEFALL_CONFIG 118.endif 119 120STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} 121 122VERSION_DEF=${.CURDIR}/Versions.def 123SYMBOL_MAPS=${SYM_MAPS} 124CFLAGS+= -DSYMBOL_VERSIONING 125 126# If there are no machine dependent sources, append all the 127# machine-independent sources: 128.if empty(MDSRCS) 129SRCS+= ${MISRCS} 130.else 131# Append machine-dependent sources, then append machine-independent sources 132# for which there is no machine-dependent variant. 133SRCS+= ${MDSRCS} 134.for _src in ${MISRCS} 135.if ${MDSRCS:R:M${_src:R}} == "" 136SRCS+= ${_src} 137.endif 138.endfor 139.endif 140 141KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ 142 lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ 143 subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c 144KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ 145 strcmp.c strcpy.c strlen.c strncpy.c strrchr.c 146 147libkern: libkern.gen libkern.${LIBC_ARCH} 148 149libkern.gen: ${KQSRCS} ${KSRCS} 150 cp -p ${.CURDIR}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern 151 152libkern.${LIBC_ARCH}:: ${KMSRCS} 153.if defined(KMSRCS) && !empty(KMSRCS) 154 cp -p ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} 155.endif 156 157.include <bsd.lib.mk> 158 159# Disable warnings in contributed sources. 160CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} 161# XXX For now, we don't allow libc to be compiled with 162# -fstack-protector-all because it breaks rtld. We may want to make a librtld 163# in the future to circumvent this. 164SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/} 165# Disable stack protection for SSP symbols. 166SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} 167# Generate stack unwinding tables for cancellation points 168CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//} 169