sysdeps/unix/sysv/linux/arm/Makefile

   1 ifeq ($(subdir),csu)
   2 # In order for unwinding to fail when it falls out of main, we need a
   3 # cantunwind marker.  There's one in start.S.  To make sure we reach it, add
   4 # unwind tables for __libc_start_main.
   5 CFLAGS-libc-start.c += -fexceptions
   6
   7 sysdep_routines += aeabi_read_tp libc-aeabi_read_tp
   8 static-only-routines += aeabi_read_tp
   9 shared-only-routines += libc-aeabi_read_tp
  10 endif
  11
  12 ifeq ($(subdir),elf)
  13 sysdep-rtld-routines += aeabi_read_tp
  14 endif
  15
  16 ifeq ($(subdir),misc)
  17 sysdep_routines += ioperm
  18 sysdep_headers += sys/elf.h sys/io.h
  19 endif
  20
  21 ifeq ($(subdir),signal)
  22 sysdep_routines += sigrestorer
  23 endif
  24
  25 ifeq ($(subdir),resource)
  26 sysdep_routines += oldgetrlimit64
  27 endif
  28
  29 ifeq ($(subdir),stdlib)
  30 gen-as-const-headers += ucontext_i.sym
  31 endif
  32
  33 # Add a syscall function to each library that needs one.
  34
  35 ifeq ($(subdir),rt)
  36 librt-sysdep_routines += libc-do-syscall
  37 librt-shared-only-routines += libc-do-syscall
  38 endif
  39
  40 ifeq ($(subdir),nptl)
  41 libpthread-sysdep_routines += libc-do-syscall
  42 libpthread-shared-only-routines += libc-do-syscall
  43 endif
  44
  45 ifeq ($(subdir),resolv)
  46 libanl-sysdep_routines += libc-do-syscall
  47 libanl-shared-only-routines += libc-do-syscall
  48 endif
  49
  50 ifeq ($(subdir),csu)
  51 sysdep_routines += libc-do-syscall
  52 endif
  53
  54 ifeq ($(subdir),nscd)
  55 nscd-modules += libc-do-syscall
  56 endif
  57
  58 ifeq ($(subdir),nss)
  59 libnss_db-sysdep_routines += libc-do-syscall
  60 libnss_db-shared-only-routines += libc-do-syscall
  61 endif
  62
  63 ifeq ($(subdir),posix)
  64 LDFLAGS-tst-rfc3484 += $(common-objpfx)csu/libc-do-syscall.o
  65 LDFLAGS-tst-rfc3484-2 += $(common-objpfx)csu/libc-do-syscall.o
  66 LDFLAGS-tst-rfc3484-3 += $(common-objpfx)csu/libc-do-syscall.o
  67 endif
  68
  69 define default-abi-prog
  70 echo '#ifdef __ARM_PCS_VFP';
  71 echo 'hard';
  72 echo '#else';
  73 echo 'soft';
  74 echo '#endif'
  75 endef
  76 default-abi := $(strip $(shell \
  77     ($(default-abi-prog)) | $(CC) $(CFLAGS) $(CPPFLAGS) -E -P -))
  78 ifeq ($(default-abi),hard)
  79 # OK.
  80 else
  81 ifneq ($(default-abi),soft)
  82 Unknown ABI, must be "hard" or "soft".
  83 endif
  84 endif
  85
  86 abi-includes :=
  87 abi-variants := soft hard
  88 abi-soft-options := -U__ARM_PCS_VFP
  89 abi-soft-condition := !defined __ARM_PCS_VFP
  90 abi-soft-ld-soname := ld-linux.so.3
  91 abi-hard-options := -D__ARM_PCS_VFP
  92 abi-hard-condition := defined __ARM_PCS_VFP
  93 abi-hard-ld-soname := ld-linux-armhf.so.3