# @(#)Makefile 8.2 (Berkeley) 2/3/94 # $FreeBSD$ PACKAGE= clibs SHLIBDIR?= /lib .include <src.opts.mk> # Force building of libc_pic.a MK_TOOLCHAIN= yes LIBC_SRCTOP?= ${.CURDIR} # Pick the current architecture directory for libc. In general, this is # named MACHINE_CPUARCH, but some ABIs are different enough to require # their own libc, so allow a directory named MACHINE_ARCH to override this. .if exists(${LIBC_SRCTOP}/${MACHINE_ARCH}) LIBC_ARCH=${MACHINE_ARCH} .else LIBC_ARCH=${MACHINE_CPUARCH} .endif # All library objects contain FreeBSD revision strings by default; they may be # excluded as a space-saving measure. To produce a library that does # not contain these strings, add -DSTRIP_FBSDID (see <sys/cdefs.h>) to CFLAGS # below. Note: there are no IDs for syscall stubs whose sources are generated. # To include legacy CSRG sccsid strings, add -DLIBC_SCCS and -DSYSLIBC_SCCS # to CFLAGS below. -DSYSLIBC_SCCS affects just the system call stubs. LIB=c SHLIB_MAJOR= 7 .if ${MK_SSP} != "no" SHLIB_LDSCRIPT=libc.ldscript .else SHLIB_LDSCRIPT=libc_nossp.ldscript .endif SHLIB_LDSCRIPT_LINKS=libxnet.so WARNS?= 2 CFLAGS+=-I${LIBC_SRCTOP}/include -I${SRCTOP}/include CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH} .if ${MK_NLS} != "no" CFLAGS+=-DNLS .endif CLEANFILES+=tags INSTALL_PIC_ARCHIVE= PRECIOUSLIB= .ifndef NO_THREAD_STACK_UNWIND CANCELPOINTS_CFLAGS=-fexceptions CFLAGS+=${CANCELPOINTS_CFLAGS} .endif # # Link with static libcompiler_rt.a. # LDFLAGS+= -nodefaultlibs LIBADD+= compiler_rt .if ${MK_SSP} != "no" LIBADD+= ssp_nonshared .endif # Extras that live in either libc.a or libc_nonshared.a LIBC_NONSHARED_SRCS= # Define (empty) variables so that make doesn't give substitution # errors if the included makefiles don't change these: MDSRCS= MISRCS= MDASM= MIASM= NOASM= .include "${LIBC_SRCTOP}/${LIBC_ARCH}/Makefile.inc" .include "${LIBC_SRCTOP}/db/Makefile.inc" .include "${LIBC_SRCTOP}/compat-43/Makefile.inc" .include "${LIBC_SRCTOP}/gdtoa/Makefile.inc" .include "${LIBC_SRCTOP}/gen/Makefile.inc" .include "${LIBC_SRCTOP}/gmon/Makefile.inc" .if ${MK_ICONV} != "no" .include "${LIBC_SRCTOP}/iconv/Makefile.inc" .endif .include "${LIBC_SRCTOP}/inet/Makefile.inc" .include "${LIBC_SRCTOP}/isc/Makefile.inc" .include "${LIBC_SRCTOP}/locale/Makefile.inc" .include "${LIBC_SRCTOP}/md/Makefile.inc" .include "${LIBC_SRCTOP}/nameser/Makefile.inc" .include "${LIBC_SRCTOP}/net/Makefile.inc" .include "${LIBC_SRCTOP}/nls/Makefile.inc" .include "${LIBC_SRCTOP}/posix1e/Makefile.inc" .if ${LIBC_ARCH} != "aarch64" && \ ${LIBC_ARCH} != "amd64" && \ ${LIBC_ARCH} != "powerpc64" && \ ${LIBC_ARCH} != "riscv" && \ ${LIBC_ARCH} != "sparc64" && \ ${MACHINE_ARCH:Mmipsn32*} == "" && \ ${MACHINE_ARCH:Mmips64*} == "" .include "${LIBC_SRCTOP}/quad/Makefile.inc" .endif .include "${LIBC_SRCTOP}/regex/Makefile.inc" .include "${LIBC_SRCTOP}/resolv/Makefile.inc" .include "${LIBC_SRCTOP}/stdio/Makefile.inc" .include "${LIBC_SRCTOP}/stdlib/Makefile.inc" .include "${LIBC_SRCTOP}/stdlib/jemalloc/Makefile.inc" .include "${LIBC_SRCTOP}/stdtime/Makefile.inc" .include "${LIBC_SRCTOP}/string/Makefile.inc" .include "${LIBC_SRCTOP}/sys/Makefile.inc" .include "${LIBC_SRCTOP}/secure/Makefile.inc" .include "${LIBC_SRCTOP}/rpc/Makefile.inc" .include "${LIBC_SRCTOP}/uuid/Makefile.inc" .include "${LIBC_SRCTOP}/xdr/Makefile.inc" .if (${LIBC_ARCH} == "arm" && \ (${MACHINE_ARCH:Marmv[67]*} == "" || (defined(CPUTYPE) && ${CPUTYPE:M*soft*}))) || \ (${LIBC_ARCH} == "mips" && ${MACHINE_ARCH:Mmips*hf} == "") || \ (${LIBC_ARCH} == "riscv" && ${MACHINE_ARCH:Mriscv*sf} != "") .include "${LIBC_SRCTOP}/softfloat/Makefile.inc" .endif .if ${LIBC_ARCH} == "i386" || ${LIBC_ARCH} == "amd64" .include "${LIBC_SRCTOP}/x86/sys/Makefile.inc" .endif .if ${MK_NIS} != "no" CFLAGS+= -DYP .include "${LIBC_SRCTOP}/yp/Makefile.inc" .endif .include "${LIBC_SRCTOP}/capability/Makefile.inc" .if ${MK_HESIOD} != "no" CFLAGS+= -DHESIOD .endif .if ${MK_FP_LIBC} == "no" CFLAGS+= -DNO_FLOATING_POINT .endif .if ${MK_NS_CACHING} != "no" CFLAGS+= -DNS_CACHING .endif .if defined(_FREEFALL_CONFIG) CFLAGS+=-D_FREEFALL_CONFIG .endif STATICOBJS+=${LIBC_NONSHARED_SRCS:S/.c$/.o/} VERSION_DEF=${LIBC_SRCTOP}/Versions.def SYMBOL_MAPS=${SYM_MAPS} CFLAGS+= -DSYMBOL_VERSIONING # If there are no machine dependent sources, append all the # machine-independent sources: .if empty(MDSRCS) SRCS+= ${MISRCS} .else # Append machine-dependent sources, then append machine-independent sources # for which there is no machine-dependent variant. SRCS+= ${MDSRCS} .for _src in ${MISRCS} .if ${MDSRCS:R:M${_src:R}} == "" SRCS+= ${_src} .endif .endfor .endif KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \ lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \ subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c KSRCS= bcmp.c ffs.c ffsl.c fls.c flsl.c mcount.c strcat.c strchr.c \ strcmp.c strcpy.c strlen.c strncpy.c strrchr.c libkern: libkern.gen libkern.${LIBC_ARCH} libkern.gen: ${KQSRCS} ${KSRCS} ${CP} ${LIBC_SRCTOP}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern libkern.${LIBC_ARCH}:: ${KMSRCS} .if defined(KMSRCS) && !empty(KMSRCS) ${CP} ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH} .endif HAS_TESTS= SUBDIR.${MK_TESTS}+= tests .include <bsd.lib.mk> .if !defined(_SKIP_BUILD) # We need libutil.h, get it directly to avoid # recording a build dependency CFLAGS+= -I${SRCTOP}/lib/libutil # Same issue with libm MSUN_ARCH_SUBDIR != ${MAKE} -B -C ${SRCTOP}/lib/msun -V ARCH_SUBDIR # unfortunately msun/src contains both private and public headers CFLAGS+= -I${SRCTOP}/lib/msun/${MSUN_ARCH_SUBDIR} .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" CFLAGS+= -I${SRCTOP}/lib/msun/x86 .endif CFLAGS+= -I${SRCTOP}/lib/msun/src # and we do not want to record a dependency on msun .if ${.MAKE.LEVEL} > 0 GENDIRDEPS_FILTER+= N${RELDIR:H}/msun .endif .endif # Disable warnings in contributed sources. CWARNFLAGS:= ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/} # XXX For now, we don't allow libc to be compiled with # -fstack-protector-all because it breaks rtld. We may want to make a librtld # in the future to circumvent this. SSP_CFLAGS:= ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/} # Disable stack protection for SSP symbols. SSP_CFLAGS:= ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/} # Generate stack unwinding tables for cancellation points CANCELPOINTS_CFLAGS:= ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//}