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