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 sendmmsg \
  16                    internal_sendmmsg
  17 endif
  18
  19 ifeq ($(subdir),misc)
  20 sysdep_routines += sysctl clone llseek umount umount2 readahead \
  21                    setfsuid setfsgid makedev epoll_pwait signalfd \
  22                    eventfd eventfd_read eventfd_write prlimit
  23
  24 CFLAGS-gethostid.c = -fexceptions
  25 CFLAGS-tst-writev.c += "-DARTIFICIAL_LIMIT=0x80000000-__getpagesize()"
  26
  27 sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
  28                   sys/klog.h sys/kdaemon.h \
  29                   sys/user.h sys/procfs.h sys/prctl.h \
  30                   sys/kd.h sys/soundcard.h sys/vt.h \
  31                   sys/quota.h sys/fsuid.h \
  32                   scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
  33                   sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h \
  34                   bits/a.out.h sys/inotify.h sys/signalfd.h sys/eventfd.h \
  35                   sys/timerfd.h sys/fanotify.h bits/eventfd.h bits/inotify.h \
  36                   bits/signalfd.h bits/timerfd.h bits/epoll.h \
  37                   bits/socket_type.h bits/syscall.h
  38
  39 tests += tst-clone
  40
  41 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
  42
  43 # If there is more than one syscall list for different architecture
  44 # variants, the CPU/Makefile defines syscall-list-variants to be a
  45 # list of names for those variants (e.g. 32bit 64bit), and, for each
  46 # variant, defines syscall-list-$(variant)-options to be compiler
  47 # options to cause <asm/unistd.h> to define the desired list of
  48 # syscalls and syscall-list-$(variant)-condition to be the condition
  49 # for those options to use in a C #if condition.
  50 # syscall-list-includes may be defined to a list of headers to include
  51 # in the generated header, if the default does not suffice.
  52
  53 ifndef syscall-list-variants
  54 syscall-list-variants := default
  55 syscall-list-default-options :=
  56 syscall-list-default-condition :=
  57 endif
  58
  59 ifndef syscall-list-includes
  60 syscall-list-includes := bits/wordsize.h
  61 endif
  62
  63 $(objpfx)bits/syscall%h $(objpfx)bits/syscall%d: ../sysdeps/unix/sysv/linux/sys/syscall.h
  64         $(make-target-directory)
  65         { \
  66          echo '/* Generated at libc build time from kernel syscall list.  */';\
  67          echo ''; \
  68          echo '#ifndef _SYSCALL_H'; \
  69          echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
  70          echo '#endif'; \
  71          echo ''; \
  72          $(foreach h,$(syscall-list-includes), echo '#include <$(h)>';) \
  73          echo ''; \
  74          $(foreach v,$(syscall-list-variants),\
  75          $(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
  76                -x c $(sysincludes) $< $(syscall-list-$(v)-options) \
  77                -D_LIBC -dM | \
  78          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  79          LC_ALL=C sort > $(@:.d=.h).new$(v); \
  80          $(if $(syscall-list-$(v)-condition),\
  81          echo '#if $(syscall-list-$(v)-condition)';) \
  82          cat $(@:.d=.h).new$(v); \
  83          $(if $(syscall-list-$(v)-condition),echo '#endif';) \
  84          rm -f $(@:.d=.h).new$(v); \
  85          ) \
  86         } > $(@:.d=.h).new
  87         mv -f $(@:.d=.h).new $(@:.d=.h)
  88 ifneq (,$(objpfx))
  89         sed $(sed-remove-objpfx) \
  90          $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3
  91 else
  92         cat $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) \
  93          > $(@:.h=.d)-t3
  94 endif
  95         rm -f $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v))
  96         mv -f $(@:.h=.d)-t3 $(@:.h=.d)
  97
  98 ifndef no_deps
  99 # Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
 100 -include $(objpfx)bits/syscall.d
 101 endif
 102 generated += bits/syscall.h bits/syscall.d
 103 endif
 104
 105 ifeq ($(subdir),time)
 106 sysdep_headers += sys/timex.h bits/timex.h
 107
 108 sysdep_routines += ntp_gettime ntp_gettimex
 109 endif
 110
 111 ifeq ($(subdir),socket)
 112 sysdep_headers += net/if_ppp.h net/ppp-comp.h \
 113                   net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
 114                   net/if_slip.h net/if_packet.h net/if_shaper.h
 115 sysdep_routines += cmsg_nxthdr sa_len
 116 endif
 117
 118 ifeq ($(subdir),sunrpc)
 119 sysdep_headers += nfs/nfs.h
 120 endif
 121
 122 ifeq ($(subdir),termios)
 123 sysdep_headers += termio.h
 124 endif
 125
 126 ifeq ($(subdir),posix)
 127 sysdep_headers += bits/initspin.h
 128
 129 sysdep_routines += exit-thread sched_getcpu
 130
 131 tests += tst-getcpu
 132 endif
 133
 134 ifeq ($(subdir),inet)
 135 sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
 136                   netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
 137                   netrom/netrom.h netpacket/packet.h netrose/rose.h \
 138                   neteconet/ec.h netiucv/iucv.h
 139 endif
 140
 141 # Don't compile the ctype glue code, since there is no old non-GNU C library.
 142 inhibit-glue = yes
 143
 144 ifeq ($(subdir),dirent)
 145 sysdep_routines += getdirentries getdirentries64
 146 endif
 147
 148 ifeq ($(subdir),nis)
 149 CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
 150 endif
 151
 152 ifeq ($(subdir),io)
 153 sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
 154                    sync_file_range open_2 open64_2 fallocate fallocate64
 155 endif
 156
 157 ifeq ($(subdir),elf)
 158 sysdep-rtld-routines += dl-brk dl-sbrk dl-getcwd dl-openat64 dl-opendir \
 159                         dl-fxstatat64
 160
 161 CPPFLAGS-lddlibc4 += -DNOT_IN_libc
 162 endif
 163
 164 ifeq ($(subdir),rt)
 165 CFLAGS-mq_send.c += -fexceptions
 166 CFLAGS-mq_receive.c += -fexceptions
 167 endif
 168
 169 ifeq ($(subdir),nscd)
 170 sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY -DHAVE_NETLINK
 171 CFLAGS-gai.c += -DNEED_NETLINK
 172 endif