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),misc)
  15 include $(firstword $(wildcard $(sysdirs:=/sysctl.mk)))
  16
  17 sysdep_routines += clone llseek umount umount2 readahead \
  18                    setfsuid setfsgid makedev epoll_pwait signalfd \
  19                    eventfd eventfd_read eventfd_write prlimit \
  20                    personality
  21
  22 CFLAGS-gethostid.c = -fexceptions
  23 CFLAGS-tst-writev.c += "-DARTIFICIAL_LIMIT=0x80000000-__getpagesize()"
  24
  25 # Note that bits/mman-linux.h is listed here though the file lives in the
  26 # top-level bits/ subdirectory instead of here in sysdeps/.../linux/bits/.
  27 # That is just so that other (non-Linux) configurations for whom the
  28 # bits/mman-linux.h definitions work well do not have to duplicate the
  29 # contents of the file.  The file must still be listed in sysdep_headers
  30 # here and in any non-Linux configuration that uses it; other
  31 # configurations will not install the file.
  32 sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \
  33                   sys/klog.h \
  34                   sys/user.h sys/prctl.h \
  35                   sys/kd.h sys/soundcard.h sys/vt.h \
  36                   sys/quota.h sys/fsuid.h \
  37                   scsi/sg.h scsi/scsi.h scsi/scsi_ioctl.h sys/pci.h \
  38                   sys/ultrasound.h sys/raw.h sys/personality.h sys/epoll.h \
  39                   bits/a.out.h sys/inotify.h sys/signalfd.h sys/eventfd.h \
  40                   sys/timerfd.h sys/fanotify.h bits/eventfd.h bits/inotify.h \
  41                   bits/signalfd.h bits/timerfd.h bits/epoll.h \
  42                   bits/socket_type.h bits/syscall.h bits/sysctl.h \
  43                   bits/mman-linux.h
  44
  45 tests += tst-clone tst-clone2 tst-fanotify tst-personality
  46
  47 # Generate the list of SYS_* macros for the system calls (__NR_* macros).
  48
  49 # If there is more than one syscall list for different architecture
  50 # variants, the CPU/Makefile defines abi-variants to be a list of names
  51 # for those variants (e.g. 32 64), and, for each variant, defines
  52 # abi-$(variant)-options to be compiler options to cause <asm/unistd.h>
  53 # to define the desired list of syscalls and abi-$(variant)-condition to
  54 # be the condition for those options to use in a C #if condition.
  55 # abi-includes may be defined to a list of headers to include
  56 # in the generated header, if the default does not suffice.
  57 #
  58 # The generated header is compiled with `-ffreestanding' to avoid any
  59 # circular dependencies against the installed implementation headers.
  60 # Such a dependency would require the implementation header to be
  61 # installed before the generated header could be built (See bug 15711).
  62 # In current practice the generated header dependencies do not include
  63 # any of the implementation headers removed by the use of `-ffreestanding'.
  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          $(foreach h,$(abi-includes), echo '#include <$(h)>';) \
  75          echo ''; \
  76          $(if $(abi-variants), \
  77          $(foreach v,$(abi-variants),\
  78          $(CC) -ffreestanding -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
  79                -x c $(sysincludes) $< $(abi-$(v)-options) \
  80                -D_LIBC -dM | \
  81          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  82          LC_ALL=C sort > $(@:.d=.h).new$(v); \
  83          $(if $(abi-$(v)-condition),\
  84          echo '#if $(abi-$(v)-condition)';) \
  85          cat $(@:.d=.h).new$(v); \
  86          $(if $(abi-$(v)-condition),echo '#endif';) \
  87          rm -f $(@:.d=.h).new$(v); \
  88          ), \
  89          $(CC) -ffreestanding -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
  90                -x c $(sysincludes) $< \
  91                -D_LIBC -dM | \
  92          sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
  93          LC_ALL=C sort;) \
  94         } > $(@:.d=.h).new
  95         mv -f $(@:.d=.h).new $(@:.d=.h)
  96 ifdef abi-variants
  97 ifneq (,$(objpfx))
  98         sed $(sed-remove-objpfx) \
  99          $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3
 100 else
 101         cat $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) \
 102          > $(@:.h=.d)-t3
 103 endif
 104         rm -f $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v))
 105         mv -f $(@:.h=.d)-t3 $(@:.h=.d)
 106 else
 107         mv -f $(@:.h=.d)-t $(@:.h=.d)
 108 endif
 109
 110 ifndef no_deps
 111 # Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
 112 -include $(objpfx)bits/syscall.d
 113 endif
 114 generated += bits/syscall.h bits/syscall.d
 115 endif
 116
 117 ifeq ($(subdir),time)
 118 sysdep_headers += sys/timex.h bits/timex.h
 119
 120 sysdep_routines += ntp_gettime ntp_gettimex
 121 endif
 122
 123 ifeq ($(subdir),socket)
 124 sysdep_headers += net/if_ppp.h net/ppp-comp.h \
 125                   net/ppp_defs.h net/if_arp.h net/route.h net/ethernet.h \
 126                   net/if_slip.h net/if_packet.h net/if_shaper.h
 127 sysdep_routines += cmsg_nxthdr oldrecvmsg oldsendmsg
 128 CFLAGS-recvmsg.c = -fexceptions -fasynchronous-unwind-tables
 129 CFLAGS-sendmsg.c = -fexceptions -fasynchronous-unwind-tables
 130 CFLAGS-oldrecvmsg.c = -fexceptions -fasynchronous-unwind-tables
 131 CFLAGS-oldsendmsg.c = -fexceptions -fasynchronous-unwind-tables
 132 endif
 133
 134 ifeq ($(subdir),sunrpc)
 135 sysdep_headers += nfs/nfs.h
 136 endif
 137
 138 ifeq ($(subdir),termios)
 139 sysdep_headers += termio.h
 140 endif
 141
 142 ifeq ($(subdir),posix)
 143 sysdep_headers += bits/initspin.h
 144
 145 sysdep_routines += sched_getcpu
 146
 147 tests += tst-affinity tst-affinity-pid
 148
 149 CFLAGS-fork.c = $(libio-mtsafe)
 150 CFLAGS-getpid.o = -fomit-frame-pointer
 151 CFLAGS-getpid.os = -fomit-frame-pointer
 152 endif
 153
 154 ifeq ($(subdir),inet)
 155 sysdep_headers += netinet/if_fddi.h netinet/if_tr.h \
 156                   netipx/ipx.h netash/ash.h netax25/ax25.h netatalk/at.h \
 157                   netrom/netrom.h netpacket/packet.h netrose/rose.h \
 158                   neteconet/ec.h netiucv/iucv.h
 159 sysdep_routines += netlink_assert_response
 160 endif
 161
 162 # Don't compile the ctype glue code, since there is no old non-GNU C library.
 163 inhibit-glue = yes
 164
 165 ifeq ($(subdir),dirent)
 166 sysdep_routines += getdirentries getdirentries64
 167 endif
 168
 169 ifeq ($(subdir),nis)
 170 CFLAGS-ypclnt.c = -DUSE_BINDINGDIR=1
 171 endif
 172
 173 ifeq ($(subdir),io)
 174 sysdep_routines += xstatconv internal_statvfs internal_statvfs64 \
 175                    sync_file_range fallocate fallocate64
 176 sysdep_headers += bits/fcntl-linux.h
 177 endif
 178
 179 ifeq ($(subdir),elf)
 180 sysdep-rtld-routines += dl-brk dl-sbrk dl-getcwd dl-openat64 dl-opendir \
 181                         dl-fxstatat64
 182
 183 libof-lddlibc4 = lddlibc4
 184
 185 others += pldd
 186 install-bin += pldd
 187 $(objpfx)pldd: $(objpfx)xmalloc.o
 188 endif
 189
 190 ifeq ($(subdir),rt)
 191 CFLAGS-mq_send.c += -fexceptions
 192 CFLAGS-mq_receive.c += -fexceptions
 193 endif
 194
 195 ifeq ($(subdir),nscd)
 196 sysdep-CFLAGS += -DHAVE_EPOLL -DHAVE_SENDFILE -DHAVE_INOTIFY -DHAVE_NETLINK
 197 CFLAGS-gai.c += -DNEED_NETLINK
 198 endif
 199
 200 ifeq ($(subdir),nptl)
 201 tests += tst-setgetname tst-align-clone tst-getpid1 \
 202         tst-thread-affinity-pthread tst-thread-affinity-pthread2 \
 203         tst-thread-affinity-sched
 204 endif