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
  37
  38 install-others += $(inst_includedir)/bits/syscall.h
  39
  40 tests += tst-clone
  41
  42 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
  43
  44 # If there is more than one syscall list for different architecture
  45 # variants, the CPU/Makefile defines syscall-list-variants to be a
  46 # list of names for those variants (e.g. 32bit 64bit), and, for each
  47 # variant, defines syscall-list-$(variant)-options to be compiler
  48 # options to cause <asm/unistd.h> to define the desired list of
  49 # syscalls and syscall-list-$(variant)-condition to be the condition
  50 # for those options to use in a C #if condition.
  51 # syscall-list-includes may be defined to a list of headers to include
  52 # in the generated header, if the default does not suffice.
  53
  54 ifndef syscall-list-variants
  55 syscall-list-variants := default
  56 syscall-list-default-options :=
  57 syscall-list-default-condition :=
  58 endif
  59
  60 ifndef syscall-list-includes
  61 syscall-list-includes := bits/wordsize.h
  62 endif
  63
  64 $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
  65         $(make-target-directory)
  66         { \
  67          echo '/* Generated at libc build time from kernel syscall list.  */';\
  68          echo ''; \
  69          echo '#ifndef _SYSCALL_H'; \
  70          echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
  71          echo '#endif'; \
  72          echo ''; \
  73          $(foreach h,$(syscall-list-includes), echo '#include <$(h)>';) \
  74          echo ''; \
  75          $(foreach v,$(syscall-list-variants),\
  76          $(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
  77                -x c $(sysincludes) $< $(syscall-list-$(v)-options) \
  78                -D_LIBC -dM | \
  79          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  80          LC_ALL=C sort > $(@:.d=.h).new$(v); \
  81          $(if $(syscall-list-$(v)-condition),\
  82          echo '#if $(syscall-list-$(v)-condition)';) \
  83          cat $(@:.d=.h).new$(v); \
  84          $(if $(syscall-list-$(v)-condition),echo '#endif';) \
  85          rm -f $(@:.d=.h).new$(v); \
  86          ) \
  87         } > $(@:.d=.h).new
  88         mv -f $(@:.d=.h).new $(@:.d=.h)
  89 ifneq (,$(objpfx))
  90         sed $(sed-remove-objpfx) \
  91          $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3
  92 else
  93         cat $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) \
  94          > $(@:.h=.d)-t3
  95 endif
  96         rm -f $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v))
  97         mv -f $(@:.h=.d)-t3 $(@:.h=.d)
  98
  99 $(inst_includedir)/bits/syscall.h: $(objpfx)syscall-list.h $(+force)
 100         $(make-target-directory)
 101         if test -r $@ && cmp -s $< $@; \
 102         then echo 'bits/syscall.h unchanged'; \
 103         else $(INSTALL_DATA) $< $@; fi
 104
 105 ifndef no_deps
 106 # Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
 107 -include $(objpfx)syscall-list.d
 108 endif
 109 generated += syscall-list.h syscall-list.d
 110 endif
 111
 112 ifeq ($(subdir),time)
 113 sysdep_headers += sys/timex.h bits/timex.h
 114
 115 sysdep_routines += ntp_gettime ntp_gettimex
 116 endif
 117
 118 ifeq ($(subdir),socket)
 119 sysdep_headers += net/if_ppp.h net/ppp-comp.h \
 120                   net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
 121                   net/if_slip.h net/if_packet.h net/if_shaper.h
 122 sysdep_routines += cmsg_nxthdr sa_len
 123 endif
 124
 125 ifeq ($(subdir),sunrpc)
 126 sysdep_headers += nfs/nfs.h
 127 endif
 128
 129 ifeq ($(subdir),termios)
 130 sysdep_headers += termio.h
 131 endif
 132
 133 ifeq ($(subdir),posix)
 134 sysdep_headers += bits/initspin.h
 135
 136 sysdep_routines += exit-thread sched_getcpu
 137
 138 tests += tst-getcpu
 139 endif
 140
 141 ifeq ($(subdir),inet)
 142 sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
 143                   netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
 144                   netrom/netrom.h netpacket/packet.h netrose/rose.h \
 145                   neteconet/ec.h netiucv/iucv.h
 146 endif
 147
 148 # Don't compile the ctype glue code, since there is no old non-GNU C library.
 149 inhibit-glue = yes
 150
 151 ifeq ($(subdir),dirent)
 152 sysdep_routines += getdirentries getdirentries64
 153 endif
 154
 155 ifeq ($(subdir),nis)
 156 CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
 157 endif
 158
 159 ifeq ($(subdir),io)
 160 sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
 161                    sync_file_range open_2 open64_2 fallocate fallocate64
 162 endif
 163
 164 ifeq ($(subdir),elf)
 165 sysdep-rtld-routines += dl-brk dl-sbrk dl-getcwd dl-openat64 dl-opendir \
 166                         dl-fxstatat64
 167
 168 CPPFLAGS-lddlibc4 += -DNOT_IN_libc
 169 endif
 170
 171 ifeq ($(subdir),rt)
 172 CFLAGS-mq_send.c += -fexceptions
 173 CFLAGS-mq_receive.c += -fexceptions
 174 endif
 175
 176 ifeq ($(subdir),nscd)
 177 sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY -DHAVE_NETLINK
 178 CFLAGS-gai.c += -DNEED_NETLINK
 179 endif