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