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),socket)
  15 sysdep_routines += internal_accept4 recvmmsg internal_recvmmsg
  16 endif
  17
  18 ifeq ($(subdir),misc)
  19 sysdep_routines += sysctl clone llseek umount umount2 readahead \
  20                    setfsuid setfsgid makedev epoll_pwait signalfd \
  21                    eventfd eventfd_read eventfd_write prlimit
  22
  23 CFLAGS-gethostid.c = -fexceptions
  24
  25 sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
  26                   sys/klog.h sys/kdaemon.h \
  27                   sys/user.h sys/procfs.h sys/prctl.h \
  28                   sys/kd.h sys/soundcard.h sys/vt.h \
  29                   sys/quota.h sys/fsuid.h \
  30                   scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
  31                   sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h \
  32                   bits/a.out.h sys/inotify.h sys/signalfd.h sys/eventfd.h \
  33                   sys/timerfd.h sys/fanotify.h
  34
  35 install-others += $(inst_includedir)/bits/syscall.h
  36
  37 tests += tst-clone
  38
  39 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
  40 # For bi-arch platforms, the CPU/Makefile defines {32,64}bit-predefine and
  41 # we generate a file that uses <bits/wordsize.h>.
  42 $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
  43         $(make-target-directory)
  44         { \
  45          echo '/* Generated at libc build time from kernel syscall list.  */';\
  46          echo ''; \
  47          echo '#ifndef _SYSCALL_H'; \
  48          echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
  49          echo '#endif'; \
  50          echo ''; \
  51          $(CC) -E -MD -MP -MF $(@:.h=.d)-t1 -MT '$(@:.d=.h) $(@:.h=.d)' \
  52                -x c $(sysincludes) $< $(addprefix -U,$(64bit-predefine)) \
  53                $(addprefix -D,$(32bit-predefine)) -D_LIBC -dM | \
  54          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  55          LC_ALL=C sort > $(@:.d=.h).new32; \
  56          $(CC) -E -MD -MP -MF $(@:.h=.d)-t2 -MT '$(@:.d=.h) $(@:.h=.d)' \
  57                -x c $(sysincludes) $< $(addprefix -U,$(32bit-predefine)) \
  58                $(addprefix -D,$(64bit-predefine)) -D_LIBC -dM | \
  59          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  60          LC_ALL=C sort > $(@:.d=.h).new64; \
  61          if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \
  62            cat $(@:.d=.h).new32; \
  63          else \
  64            echo '#include <bits/wordsize.h>'; \
  65            echo ''; \
  66            LC_ALL=C comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  67            echo '#if __WORDSIZE == 64'; \
  68            LC_ALL=C comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  69            echo '#else'; \
  70            LC_ALL=C comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  71            echo '#endif'; \
  72          fi; \
  73          rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \
  74         } > $(@:.d=.h).new
  75         mv -f $(@:.d=.h).new $(@:.d=.h)
  76 ifneq (,$(objpfx))
  77         sed $(sed-remove-objpfx) $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  78 else
  79         cat $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  80 endif
  81         rm -f $(@:.h=.d)-t1 $(@:.h=.d)-t2
  82         mv -f $(@:.h=.d)-t3 $(@:.h=.d)
  83
  84 $(inst_includedir)/bits/syscall.h: $(objpfx)syscall-list.h $(+force)
  85         $(make-target-directory)
  86         if test -r $@ && cmp -s $< $@; \
  87         then echo 'bits/syscall.h unchanged'; \
  88         else $(INSTALL_DATA) $< $@; fi
  89
  90 ifndef no_deps
  91 # Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
  92 -include $(objpfx)syscall-list.d
  93 endif
  94 generated += syscall-list.h syscall-list.d
  95 endif
  96
  97 ifeq ($(subdir),time)
  98 sysdep_headers += sys/timex.h bits/timex.h
  99
 100 sysdep_routines += ntp_gettime ntp_gettimex
 101 endif
 102
 103 ifeq ($(subdir),socket)
 104 sysdep_headers += net/if_ppp.h net/ppp-comp.h \
 105                   net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
 106                   net/if_slip.h net/if_packet.h net/if_shaper.h
 107 sysdep_routines += cmsg_nxthdr sa_len
 108 endif
 109
 110 ifeq ($(subdir),sunrpc)
 111 sysdep_headers += nfs/nfs.h
 112 endif
 113
 114 ifeq ($(subdir),termios)
 115 sysdep_headers += termio.h
 116 endif
 117
 118 ifeq ($(subdir),posix)
 119 sysdep_headers += bits/initspin.h
 120
 121 sysdep_routines += exit-thread sched_getcpu
 122
 123 tests += tst-getcpu
 124 endif
 125
 126 ifeq ($(subdir),inet)
 127 sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
 128                   netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
 129                   netrom/netrom.h netpacket/packet.h netrose/rose.h \
 130                   neteconet/ec.h netiucv/iucv.h
 131 endif
 132
 133 # Don't compile the ctype glue code, since there is no old non-GNU C library.
 134 inhibit-glue = yes
 135
 136 ifeq ($(subdir),dirent)
 137 sysdep_routines += getdirentries getdirentries64
 138 endif
 139
 140 ifeq ($(subdir),nis)
 141 CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
 142 endif
 143
 144 ifeq ($(subdir),io)
 145 sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
 146                    sync_file_range open_2 open64_2 fallocate fallocate64
 147 endif
 148
 149 ifeq ($(subdir),elf)
 150 sysdep-rtld-routines += dl-brk dl-sbrk
 151
 152 CPPFLAGS-lddlibc4 += -DNOT_IN_libc
 153 endif
 154
 155 ifeq ($(subdir),rt)
 156 CFLAGS-mq_send.c += -fexceptions
 157 CFLAGS-mq_receive.c += -fexceptions
 158 endif
 159
 160 ifeq ($(subdir),nscd)
 161 CFLAGS-connections.c += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY
 162 CFLAGS-pwdcache.c += -DHAVE_SENDFILE
 163 CFLAGS-grpcache.c += -DHAVE_SENDFILE
 164 CFLAGS-hstcache.c += -DHAVE_SENDFILE
 165 CFLAGS-aicache.c += -DHAVE_SENDFILE
 166 CFLAGS-initgrcache.c += -DHAVE_SENDFILE
 167 CFLAGS-gai.c += -DNEED_NETLINK
 168 endif