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