lib/libc/Makefile

   1 #       @(#)Makefile    8.2 (Berkeley) 2/3/94
   2 # $FreeBSD$
   3
   4 SHLIBDIR?= /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})
  13 LIBC_ARCH=${MACHINE_ARCH}
  14 .else
  15 LIBC_ARCH=${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.
  24 LIB=c
  25 SHLIB_MAJOR= 7
  26 WARNS?= 2
  27 CFLAGS+=-I${.CURDIR}/include -I${.CURDIR}/../../include
  28 CFLAGS+=-I${.CURDIR}/${LIBC_ARCH}
  29 CFLAGS+=-DNLS
  30 CLEANFILES+=tags
  31 INSTALL_PIC_ARCHIVE=
  32 PRECIOUSLIB=
  33
  34 .ifndef NO_THREAD_STACK_UNWIND
  35 CANCELPOINTS_CFLAGS=-fexceptions
  36 CFLAGS+=${CANCELPOINTS_CFLAGS}
  37 .endif
  38
  39 #
  40 # Only link with static libgcc.a (no libgcc_eh.a).
  41 #
  42 DPADD+= ${LIBGCC}
  43 LDFLAGS+= -nodefaultlibs
  44 LDADD+= -lgcc -lssp_nonshared
  45
  46 # Define (empty) variables so that make doesn't give substitution
  47 # errors if the included makefiles don't change these:
  48 MDSRCS=
  49 MISRCS=
  50 MDASM=
  51 MIASM=
  52 NOASM=
  53
  54 .include "${.CURDIR}/${LIBC_ARCH}/Makefile.inc"
  55 .include "${.CURDIR}/db/Makefile.inc"
  56 .include "${.CURDIR}/compat-43/Makefile.inc"
  57 .include "${.CURDIR}/gdtoa/Makefile.inc"
  58 .include "${.CURDIR}/gen/Makefile.inc"
  59 .include "${.CURDIR}/gmon/Makefile.inc"
  60 .if ${MK_ICONV} != "no"
  61 .include "${.CURDIR}/iconv/Makefile.inc"
  62 .endif
  63 .include "${.CURDIR}/inet/Makefile.inc"
  64 .include "${.CURDIR}/isc/Makefile.inc"
  65 .include "${.CURDIR}/locale/Makefile.inc"
  66 .include "${.CURDIR}/nameser/Makefile.inc"
  67 .include "${.CURDIR}/net/Makefile.inc"
  68 .include "${.CURDIR}/nls/Makefile.inc"
  69 .include "${.CURDIR}/posix1e/Makefile.inc"
  70 .if ${LIBC_ARCH} != "amd64" && \
  71     ${LIBC_ARCH} != "ia64" && \
  72     ${LIBC_ARCH} != "powerpc64" && \
  73     ${LIBC_ARCH} != "sparc64" && \
  74     ${MACHINE_ARCH:Mmipsn32*} == "" && \
  75     ${MACHINE_ARCH:Mmips64*} == ""
  76 .include "${.CURDIR}/quad/Makefile.inc"
  77 .endif
  78 .include "${.CURDIR}/regex/Makefile.inc"
  79 .include "${.CURDIR}/resolv/Makefile.inc"
  80 .include "${.CURDIR}/stdio/Makefile.inc"
  81 .include "${.CURDIR}/stdlib/Makefile.inc"
  82 .include "${.CURDIR}/stdtime/Makefile.inc"
  83 .include "${.CURDIR}/string/Makefile.inc"
  84 .include "${.CURDIR}/sys/Makefile.inc"
  85 .include "${.CURDIR}/rpc/Makefile.inc"
  86 .include "${.CURDIR}/uuid/Makefile.inc"
  87 .include "${.CURDIR}/xdr/Makefile.inc"
  88 .if ${LIBC_ARCH} == "arm" || ${LIBC_ARCH} == "mips"
  89 .include "${.CURDIR}/softfloat/Makefile.inc"
  90 .endif
  91 .if ${MK_NIS} != "no"
  92 CFLAGS+= -DYP
  93 .include "${.CURDIR}/yp/Makefile.inc"
  94 .endif
  95 .if ${MK_HESIOD} != "no"
  96 CFLAGS+= -DHESIOD
  97 .endif
  98 .if ${MK_FP_LIBC} == "no"
  99 CFLAGS+= -DNO_FLOATING_POINT
 100 .endif
 101 .if ${MK_NS_CACHING} != "no"
 102 CFLAGS+= -DNS_CACHING
 103 .endif
 104 .if defined(_FREEFALL_CONFIG)
 105 CFLAGS+=-D_FREEFALL_CONFIG
 106 .endif
 107
 108 VERSION_DEF=${.CURDIR}/Versions.def
 109 SYMBOL_MAPS=${SYM_MAPS}
 110 CFLAGS+= -DSYMBOL_VERSIONING
 111
 112 # If there are no machine dependent sources, append all the
 113 # machine-independent sources:
 114 .if empty(MDSRCS)
 115 SRCS+=  ${MISRCS}
 116 .else
 117 # Append machine-dependent sources, then append machine-independent sources
 118 # for which there is no machine-dependent variant.
 119 SRCS+=  ${MDSRCS}
 120 .for _src in ${MISRCS}
 121 .if ${MDSRCS:R:M${_src:R}} == ""
 122 SRCS+=  ${_src}
 123 .endif
 124 .endfor
 125 .endif
 126
 127 KQSRCS= adddi3.c anddi3.c ashldi3.c ashrdi3.c cmpdi2.c divdi3.c iordi3.c \
 128         lshldi3.c lshrdi3.c moddi3.c muldi3.c negdi2.c notdi2.c qdivrem.c \
 129         subdi3.c ucmpdi2.c udivdi3.c umoddi3.c xordi3.c
 130 KSRCS=  bcmp.c ffs.c ffsl.c fls.c flsl.c index.c mcount.c rindex.c \
 131         strcat.c strcmp.c strcpy.c strlen.c strncpy.c
 132
 133 libkern: libkern.gen libkern.${LIBC_ARCH}
 134
 135 libkern.gen: ${KQSRCS} ${KSRCS}
 136         cp -p ${.CURDIR}/quad/quad.h ${.ALLSRC} ${DESTDIR}/sys/libkern
 137
 138 libkern.${LIBC_ARCH}:: ${KMSRCS}
 139 .if defined(KMSRCS) && !empty(KMSRCS)
 140         cp -p ${.ALLSRC} ${DESTDIR}/sys/libkern/${LIBC_ARCH}
 141 .endif
 142
 143 .include <bsd.lib.mk>
 144
 145 # Disable warnings in contributed sources.
 146 CWARNFLAGS:=    ${.IMPSRC:Ngdtoa_*.c:C/^.+$/${CWARNFLAGS}/:C/^$/-w/}
 147 # XXX For now, we don't allow libc to be compiled with
 148 # -fstack-protector-all because it breaks rtld.  We may want to make a librtld
 149 # in the future to circumvent this.
 150 SSP_CFLAGS:=    ${SSP_CFLAGS:S/^-fstack-protector-all$/-fstack-protector/}
 151 # Disable stack protection for SSP symbols.
 152 SSP_CFLAGS:=    ${.IMPSRC:N*/stack_protector.c:C/^.+$/${SSP_CFLAGS}/}
 153 # Generate stack unwinding tables for cancellation points
 154 CANCELPOINTS_CFLAGS:=   ${.IMPSRC:Mcancelpoints_*:C/^.+$/${CANCELPOINTS_CFLAGS}/:C/^$//}