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
  36
  37 install-others += $(inst_includedir)/bits/syscall.h
  38
  39 tests += tst-clone
  40
  41 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
  42 # For bi-arch platforms, the CPU/Makefile defines {32,64}bit-predefine and
  43 # we generate a file that uses <bits/wordsize.h>.
  44 $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
  45         $(make-target-directory)
  46         { \
  47          echo '/* Generated at libc build time from kernel syscall list.  */';\
  48          echo ''; \
  49          echo '#ifndef _SYSCALL_H'; \
  50          echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
  51          echo '#endif'; \
  52          echo ''; \
  53          $(CC) -E -MD -MP -MF $(@:.h=.d)-t1 -MT '$(@:.d=.h) $(@:.h=.d)' \
  54                -x c $(sysincludes) $< $(addprefix -U,$(64bit-predefine)) \
  55                $(addprefix -D,$(32bit-predefine)) -D_LIBC -dM | \
  56          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  57          LC_ALL=C sort > $(@:.d=.h).new32; \
  58          $(CC) -E -MD -MP -MF $(@:.h=.d)-t2 -MT '$(@:.d=.h) $(@:.h=.d)' \
  59                -x c $(sysincludes) $< $(addprefix -U,$(32bit-predefine)) \
  60                $(addprefix -D,$(64bit-predefine)) -D_LIBC -dM | \
  61          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  62          LC_ALL=C sort > $(@:.d=.h).new64; \
  63          if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \
  64            cat $(@:.d=.h).new32; \
  65          else \
  66            echo '#include <bits/wordsize.h>'; \
  67            echo ''; \
  68            LC_ALL=C comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  69            echo '#if __WORDSIZE == 64'; \
  70            LC_ALL=C comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  71            echo '#else'; \
  72            LC_ALL=C comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \
  73            echo '#endif'; \
  74          fi; \
  75          rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \
  76         } > $(@:.d=.h).new
  77         mv -f $(@:.d=.h).new $(@:.d=.h)
  78 ifneq (,$(objpfx))
  79         sed $(sed-remove-objpfx) $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  80 else
  81         cat $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
  82 endif
  83         rm -f $(@:.h=.d)-t1 $(@:.h=.d)-t2
  84         mv -f $(@:.h=.d)-t3 $(@:.h=.d)
  85
  86 $(inst_includedir)/bits/syscall.h: $(objpfx)syscall-list.h $(+force)
  87         $(make-target-directory)
  88         if test -r $@ && cmp -s $< $@; \
  89         then echo 'bits/syscall.h unchanged'; \
  90         else $(INSTALL_DATA) $< $@; fi
  91
  92 ifndef no_deps
  93 # Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
  94 -include $(objpfx)syscall-list.d
  95 endif
  96 generated += syscall-list.h syscall-list.d
  97 endif
  98
  99 ifeq ($(subdir),time)
 100 sysdep_headers += sys/timex.h bits/timex.h
 101
 102 sysdep_routines += ntp_gettime ntp_gettimex
 103 endif
 104
 105 ifeq ($(subdir),socket)
 106 sysdep_headers += net/if_ppp.h net/ppp-comp.h \
 107                   net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
 108                   net/if_slip.h net/if_packet.h net/if_shaper.h
 109 sysdep_routines += cmsg_nxthdr sa_len
 110 endif
 111
 112 ifeq ($(subdir),sunrpc)
 113 sysdep_headers += nfs/nfs.h
 114 endif
 115
 116 ifeq ($(subdir),termios)
 117 sysdep_headers += termio.h
 118 endif
 119
 120 ifeq ($(subdir),posix)
 121 sysdep_headers += bits/initspin.h
 122
 123 sysdep_routines += exit-thread sched_getcpu
 124
 125 tests += tst-getcpu
 126 endif
 127
 128 ifeq ($(subdir),inet)
 129 sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
 130                   netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
 131                   netrom/netrom.h netpacket/packet.h netrose/rose.h \
 132                   neteconet/ec.h netiucv/iucv.h
 133 endif
 134
 135 # Don't compile the ctype glue code, since there is no old non-GNU C library.
 136 inhibit-glue = yes
 137
 138 ifeq ($(subdir),dirent)
 139 sysdep_routines += getdirentries getdirentries64
 140 endif
 141
 142 ifeq ($(subdir),nis)
 143 CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
 144 endif
 145
 146 ifeq ($(subdir),io)
 147 sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
 148                    sync_file_range open_2 open64_2 fallocate fallocate64
 149 endif
 150
 151 ifeq ($(subdir),elf)
 152 sysdep-rtld-routines += dl-brk dl-sbrk dl-getcwd dl-openat64 dl-opendir \
 153                         dl-fxstatat64
 154
 155 CPPFLAGS-lddlibc4 += -DNOT_IN_libc
 156 endif
 157
 158 ifeq ($(subdir),rt)
 159 CFLAGS-mq_send.c += -fexceptions
 160 CFLAGS-mq_receive.c += -fexceptions
 161 endif
 162
 163 ifeq ($(subdir),nscd)
 164 sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY
 165 CFLAGS-gai.c += -DNEED_NETLINK
 166 endif