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 epoll_pwait signalfd \
  17                    eventfd eventfd_read eventfd_write
  18
  19 CFLAGS-gethostid.c = -fexceptions
  20
  21 sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
  22                   sys/klog.h sys/kdaemon.h \
  23                   sys/user.h sys/procfs.h sys/prctl.h \
  24                   sys/kd.h sys/soundcard.h sys/vt.h \
  25                   sys/quota.h sys/fsuid.h \
  26                   scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
  27                   sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h \
  28                   bits/a.out.h sys/inotify.h sys/signalfd.h sys/eventfd.h \
  29                   sys/timerfd.h
  30
  31 install-others += $(inst_includedir)/bits/syscall.h
  32
  33 tests += tst-clone
  34
  35 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
  36 # For bi-arch platforms, the CPU/Makefile defines {32,64}bit-predefine and
  37 # we generate a file that uses <bits/wordsize.h>.
  38 $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
  39         $(make-target-directory)
  40         { \
  41          echo '/* Generated at libc build time from kernel syscall list.  */';\
  42          echo ''; \
  43          echo '#ifndef _SYSCALL_H'; \
  44          echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
  45          echo '#endif'; \
  46          echo ''; \
  47          $(CC) -E -MD -MP -MF $(@:.h=.d)-t1 -MT '$(@:.d=.h) $(@:.h=.d)' \
  48                -x c $(sysincludes) $< $(addprefix -U,$(64bit-predefine)) \
  49                $(addprefix -D,$(32bit-predefine)) -D_LIBC -dM | \
  50          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  51          LC_ALL=C sort > $(@:.d=.h).new32; \
  52          $(CC) -E -MD -MP -MF $(@:.h=.d)-t2 -MT '$(@:.d=.h) $(@:.h=.d)' \
  53                -x c $(sysincludes) $< $(addprefix -U,$(32bit-predefine)) \
  54                $(addprefix -D,$(64bit-predefine)) -D_LIBC -dM | \
  55          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  56          LC_ALL=C sort > $(@:.d=.h).new64; \
  57          if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \
  58            cat $(@:.d=.h).new32; \
  59          else \
  60            echo '#include <bits/wordsize.h>'; \
  61            echo ''; \
  62            LC_ALL=C comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  63            echo '#if __WORDSIZE == 64'; \
  64            LC_ALL=C comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  65            echo '#else'; \
  66            LC_ALL=C comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  67            echo '#endif'; \
  68          fi; \
  69          rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \
  70         } > $(@:.d=.h).new
  71         mv -f $(@:.d=.h).new $(@:.d=.h)
  72 ifneq (,$(objpfx))
  73         sed $(sed-remove-objpfx) $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  74 else
  75         cat $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  76 endif
  77         rm -f $(@:.h=.d)-t1 $(@:.h=.d)-t2
  78         mv -f $(@:.h=.d)-t3 $(@:.h=.d)
  79
  80 $(inst_includedir)/bits/syscall.h: $(objpfx)syscall-list.h $(+force)
  81         $(make-target-directory)
  82         if test -r $@ && cmp -s $< $@; \
  83         then echo 'bits/syscall.h unchanged'; \
  84         else $(INSTALL_DATA) $< $@; fi
  85
  86 ifndef no_deps
  87 # Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
  88 -include $(objpfx)syscall-list.d
  89 endif
  90 generated += syscall-list.h syscall-list.d
  91 endif
  92
  93 ifeq ($(subdir),time)
  94 sysdep_headers += sys/timex.h
  95
  96 sysdep_routines += ntp_gettime
  97 endif
  98
  99 ifeq ($(subdir),socket)
 100 sysdep_headers += net/if_ppp.h net/ppp-comp.h \
 101                   net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
 102                   net/if_slip.h net/if_packet.h net/if_shaper.h
 103 sysdep_routines += cmsg_nxthdr sa_len
 104 endif
 105
 106 ifeq ($(subdir),sunrpc)
 107 sysdep_headers += nfs/nfs.h
 108 endif
 109
 110 ifeq ($(subdir),termios)
 111 sysdep_headers += termio.h
 112 endif
 113
 114 ifeq ($(subdir),posix)
 115 sysdep_headers += bits/initspin.h
 116
 117 sysdep_routines += exit-thread sched_getcpu
 118
 119 tests += tst-getcpu
 120 endif
 121
 122 ifeq ($(subdir),inet)
 123 sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
 124                   netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
 125                   netrom/netrom.h netpacket/packet.h netrose/rose.h \
 126                   neteconet/ec.h netiucv/iucv.h
 127 endif
 128
 129 # Don't compile the ctype glue code, since there is no old non-GNU C library.
 130 inhibit-glue = yes
 131
 132 ifeq ($(subdir),dirent)
 133 sysdep_routines += getdirentries getdirentries64
 134 endif
 135
 136 ifeq ($(subdir),nis)
 137 CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
 138 endif
 139
 140 ifeq ($(subdir),io)
 141 sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
 142                    sync_file_range open_2 open64_2
 143 endif
 144
 145 ifeq ($(subdir),elf)
 146 sysdep-rtld-routines += dl-brk dl-sbrk
 147
 148 CPPFLAGS-lddlibc4 += -DNOT_IN_libc
 149 endif
 150
 151 ifeq ($(subdir),rt)
 152 CFLAGS-mq_send.c += -fexceptions
 153 CFLAGS-mq_receive.c += -fexceptions
 154 endif
 155
 156 ifeq ($(subdir),nscd)
 157 CFLAGS-connections.c += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY
 158 CFLAGS-pwdcache.c += -DHAVE_SENDFILE
 159 CFLAGS-grpcache.c += -DHAVE_SENDFILE
 160 CFLAGS-hstcache.c += -DHAVE_SENDFILE
 161 CFLAGS-aicache.c += -DHAVE_SENDFILE
 162 CFLAGS-initgrcache.c += -DHAVE_SENDFILE
 163 CFLAGS-gai.c += -DNEED_NETLINK
 164 endif