sysdeps/unix/sysv/linux/Makefile

   1 ifeq ($(subdir),csu)
   2 sysdep_routines += errno-loc
   3 endif
   4
   5 ifeq ($(subdir),assert)
   6 CFLAGS-assert.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
   7 CFLAGS-assert-perr.c += -DFATAL_PREPARE_INCLUDE='<fatal-prepare.h>'
   8 endif
   9
  10 ifeq ($(subdir),malloc)
  11 CFLAGS-malloc.c += -DMORECORE_CLEARS=2
  12 endif
  13
  14 ifeq ($(subdir),misc)
  15 sysdep_routines += sysctl clone llseek umount umount2 readahead \
  16                    setfsuid setfsgid makedev
  17
  18 CFLAGS-gethostid.c = -fexceptions
  19
  20 sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
  21                   sys/klog.h sys/kdaemon.h \
  22                   sys/user.h sys/procfs.h sys/prctl.h \
  23                   sys/kd.h sys/soundcard.h sys/vt.h \
  24                   sys/quota.h sys/fsuid.h \
  25                   scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
  26                   sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h \
  27                   bits/a.out.h
  28
  29 install-others += $(inst_includedir)/bits/syscall.h
  30
  31 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
  32 # For bi-arch platforms, the CPU/Makefile defines {32,64}bit-predefine and
  33 # we generate a file that uses <bits/wordsize.h>.
  34 $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
  35         $(make-target-directory)
  36         { \
  37          echo '/* Generated at libc build time from kernel syscall list.  */';\
  38          echo ''; \
  39          echo '#ifndef _SYSCALL_H'; \
  40          echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
  41          echo '#endif'; \
  42          echo ''; \
  43          $(CC) -E -MD -MP -MF $(@:.h=.d)-t1 -MT '$(@:.d=.h) $(@:.h=.d)' \
  44                -x c $(sysincludes) $< $(addprefix -U,$(64bit-predefine)) \
  45                $(addprefix -D,$(32bit-predefine)) -D_LIBC -dM | \
  46          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  47          LC_ALL=C sort > $(@:.d=.h).new32; \
  48          $(CC) -E -MD -MP -MF $(@:.h=.d)-t2 -MT '$(@:.d=.h) $(@:.h=.d)' \
  49                -x c $(sysincludes) $< $(addprefix -U,$(32bit-predefine)) \
  50                $(addprefix -D,$(64bit-predefine)) -D_LIBC -dM | \
  51          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  52          LC_ALL=C sort > $(@:.d=.h).new64; \
  53          if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \
  54            cat $(@:.d=.h).new32; \
  55          else \
  56            echo '#include <bits/wordsize.h>'; \
  57            echo ''; \
  58            LC_ALL=C comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  59            echo '#if __WORDSIZE == 64'; \
  60            LC_ALL=C comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  61            echo '#else'; \
  62            LC_ALL=C comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  63            echo '#endif'; \
  64          fi; \
  65          rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \
  66         } > $(@:.d=.h).new
  67         mv -f $(@:.d=.h).new $(@:.d=.h)
  68 ifneq (,$(objpfx))
  69         sed $(sed-remove-objpfx) $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  70 else
  71         cat $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  72 endif
  73         rm -f $(@:.h=.d)-t1 $(@:.h=.d)-t2
  74         mv -f $(@:.h=.d)-t3 $(@:.h=.d)
  75
  76 $(inst_includedir)/bits/syscall.h: $(objpfx)syscall-list.h $(+force)
  77         $(make-target-directory)
  78         if test -r $@ && cmp -s $< $@; \
  79         then echo 'bits/syscall.h unchanged'; \
  80         else $(INSTALL_DATA) $< $@; fi
  81
  82 ifndef no_deps
  83 # Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
  84 -include $(objpfx)syscall-list.d
  85 endif
  86 generated += syscall-list.h syscall-list.d
  87 endif
  88
  89 ifeq ($(subdir),time)
  90 sysdep_headers += sys/timex.h
  91
  92 sysdep_routines += ntp_gettime
  93 endif
  94
  95 ifeq ($(subdir),socket)
  96 sysdep_headers += net/if_ppp.h net/ppp-comp.h \
  97                   net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
  98                   net/if_slip.h net/if_packet.h net/if_shaper.h
  99 sysdep_routines += cmsg_nxthdr sa_len
 100 endif
 101
 102 ifeq ($(subdir),sunrpc)
 103 sysdep_headers += nfs/nfs.h
 104 endif
 105
 106 ifeq ($(subdir),termios)
 107 sysdep_headers += termio.h
 108 endif
 109
 110 ifeq ($(subdir),stdio-common)
 111 # Just disable the auto generation in sysdeps/generic
 112 inhibit-siglist := yes
 113 endif
 114
 115 ifeq ($(subdir),posix)
 116 sysdep_headers += bits/initspin.h
 117
 118 sysdep_routines += exit-thread
 119 endif
 120
 121 ifeq ($(subdir),inet)
 122 sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
 123                   netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
 124                   netrom/netrom.h netpacket/packet.h netrose/rose.h \
 125                   neteconet/ec.h
 126 endif
 127
 128 # Don't compile the ctype glue code, since there is no old non-GNU C library.
 129 inhibit-glue = yes
 130
 131 ifeq ($(subdir),dirent)
 132 sysdep_routines += getdirentries getdirentries64
 133 endif
 134
 135 ifeq ($(subdir),nis)
 136 CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
 137 endif
 138
 139 ifeq ($(subdir),io)
 140 sysdep_routines += xstatconv internal_statvfs internal_statvfs64
 141 endif
 142
 143 ifeq ($(subdir),elf)
 144 sysdep-rtld-routines += dl-brk dl-sbrk
 145
 146 CPPFLAGS-lddlibc4 += -DNOT_IN_libc
 147 endif
 148
 149 ifeq ($(subdir),rt)
 150 CFLAGS-mq_send.c += -fexceptions
 151 CFLAGS-mq_receive.c += -fexceptions
 152 endif
 153
 154 ifeq ($(subdir),nscd)
 155 CFLAGS-connections.c += -DHAVE_EPOLL
 156 CFLAGS-gai.c += -DNEED_NETLINK
 157 endif