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
  29
  30 install-others += $(inst_includedir)/bits/syscall.h
  31
  32 tests += tst-clone
  33
  34 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
  35 # For bi-arch platforms, the CPU/Makefile defines {32,64}bit-predefine and
  36 # we generate a file that uses <bits/wordsize.h>.
  37 $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
  38         $(make-target-directory)
  39         { \
  40          echo '/* Generated at libc build time from kernel syscall list.  */';\
  41          echo ''; \
  42          echo '#ifndef _SYSCALL_H'; \
  43          echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
  44          echo '#endif'; \
  45          echo ''; \
  46          $(CC) -E -MD -MP -MF $(@:.h=.d)-t1 -MT '$(@:.d=.h) $(@:.h=.d)' \
  47                -x c $(sysincludes) $< $(addprefix -U,$(64bit-predefine)) \
  48                $(addprefix -D,$(32bit-predefine)) -D_LIBC -dM | \
  49          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  50          LC_ALL=C sort > $(@:.d=.h).new32; \
  51          $(CC) -E -MD -MP -MF $(@:.h=.d)-t2 -MT '$(@:.d=.h) $(@:.h=.d)' \
  52                -x c $(sysincludes) $< $(addprefix -U,$(32bit-predefine)) \
  53                $(addprefix -D,$(64bit-predefine)) -D_LIBC -dM | \
  54          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  55          LC_ALL=C sort > $(@:.d=.h).new64; \
  56          if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \
  57            cat $(@:.d=.h).new32; \
  58          else \
  59            echo '#include <bits/wordsize.h>'; \
  60            echo ''; \
  61            LC_ALL=C comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  62            echo '#if __WORDSIZE == 64'; \
  63            LC_ALL=C comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  64            echo '#else'; \
  65            LC_ALL=C comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  66            echo '#endif'; \
  67          fi; \
  68          rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \
  69         } > $(@:.d=.h).new
  70         mv -f $(@:.d=.h).new $(@:.d=.h)
  71 ifneq (,$(objpfx))
  72         sed $(sed-remove-objpfx) $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  73 else
  74         cat $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  75 endif
  76         rm -f $(@:.h=.d)-t1 $(@:.h=.d)-t2
  77         mv -f $(@:.h=.d)-t3 $(@:.h=.d)
  78
  79 $(inst_includedir)/bits/syscall.h: $(objpfx)syscall-list.h $(+force)
  80         $(make-target-directory)
  81         if test -r $@ && cmp -s $< $@; \
  82         then echo 'bits/syscall.h unchanged'; \
  83         else $(INSTALL_DATA) $< $@; fi
  84
  85 ifndef no_deps
  86 # Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
  87 -include $(objpfx)syscall-list.d
  88 endif
  89 generated += syscall-list.h syscall-list.d
  90 endif
  91
  92 ifeq ($(subdir),time)
  93 sysdep_headers += sys/timex.h
  94
  95 sysdep_routines += ntp_gettime
  96 endif
  97
  98 ifeq ($(subdir),socket)
  99 sysdep_headers += net/if_ppp.h net/ppp-comp.h \
 100                   net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
 101                   net/if_slip.h net/if_packet.h net/if_shaper.h
 102 sysdep_routines += cmsg_nxthdr sa_len
 103 endif
 104
 105 ifeq ($(subdir),sunrpc)
 106 sysdep_headers += nfs/nfs.h
 107 endif
 108
 109 ifeq ($(subdir),termios)
 110 sysdep_headers += termio.h
 111 endif
 112
 113 ifeq ($(subdir),posix)
 114 sysdep_headers += bits/initspin.h
 115
 116 sysdep_routines += exit-thread sched_getcpu
 117
 118 tests += tst-getcpu
 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                    sync_file_range open_2 open64_2
 142 endif
 143
 144 ifeq ($(subdir),elf)
 145 sysdep-rtld-routines += dl-brk dl-sbrk
 146
 147 CPPFLAGS-lddlibc4 += -DNOT_IN_libc
 148 endif
 149
 150 ifeq ($(subdir),rt)
 151 CFLAGS-mq_send.c += -fexceptions
 152 CFLAGS-mq_receive.c += -fexceptions
 153 endif
 154
 155 ifeq ($(subdir),nscd)
 156 CFLAGS-connections.c += -DHAVE_EPOLL -DHAVE_SENDFILE
 157 CFLAGS-pwdcache.c += -DHAVE_SENDFILE
 158 CFLAGS-grpcache.c += -DHAVE_SENDFILE
 159 CFLAGS-hstcache.c += -DHAVE_SENDFILE
 160 CFLAGS-aicache.c += -DHAVE_SENDFILE
 161 CFLAGS-initgrcache.c += -DHAVE_SENDFILE
 162 CFLAGS-gai.c += -DNEED_NETLINK
 163 endif