sysdeps/arm/preconfigure

   1 # This file is generated from configure.ac by Autoconf.  DO NOT EDIT!
   2  # Local preconfigure fragment for sysdeps/arm
   3
   4 case "$machine" in
   5 arm*)
   6   # If the compiler enables unwind tables by default, this causes
   7   # problems with undefined symbols in -nostdlib link tests.  To
   8   # avoid this, add -fno-unwind-tables here and remove it in
   9   # sysdeps/arm/configure.ac after those tests have been run.
  10   if test "${CFLAGS+set}" != "set"; then
  11     CFLAGS="-g -O2"
  12   fi
  13   CFLAGS="$CFLAGS -fno-unwind-tables"
  14
  15   base_machine=arm
  16   # Lets ask the compiler which ARM family we've got
  17   # Unfortunately it doesn't define any flags for implementations
  18   # that you might pass to -mcpu or -mtune
  19   # Note if you add patterns here you must ensure that
  20   # an appropriate directory exists in sysdeps/arm
  21   archcppflag=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null |
  22     sed -n 's/^#define \(__ARM_ARCH_[0-9].*__\) .*$/\1/p'`
  23
  24   case "x$archcppflag" in
  25   x__ARM_ARCH_89*__)
  26     machine=armv7
  27     { $as_echo "$as_me:${as_lineno-$LINENO}: Found compiler is configured for something newer than v7 - using v7" >&5
  28 $as_echo "$as_me: Found compiler is configured for something newer than v7 - using v7" >&6;}
  29     ;;
  30
  31   x__ARM_ARCH_7A__)
  32     machine=armv7
  33     { $as_echo "$as_me:${as_lineno-$LINENO}: Found compiler is configured for $machine" >&5
  34 $as_echo "$as_me: Found compiler is configured for $machine" >&6;}
  35     ;;
  36
  37   x__ARM_ARCH_6T2__)
  38     machine=armv6t2
  39     { $as_echo "$as_me:${as_lineno-$LINENO}: Found compiler is configured for $machine" >&5
  40 $as_echo "$as_me: Found compiler is configured for $machine" >&6;}
  41     ;;
  42   x__ARM_ARCH_6*__)
  43     machine=armv6
  44     { $as_echo "$as_me:${as_lineno-$LINENO}: Found compiler is configured for $machine" >&5
  45 $as_echo "$as_me: Found compiler is configured for $machine" >&6;}
  46     ;;
  47   *)
  48     machine=arm
  49     { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: arm/preconfigure: Did not find ARM architecture type; using default" >&5
  50 $as_echo "$as_me: WARNING: arm/preconfigure: Did not find ARM architecture type; using default" >&2;}
  51     ;;
  52   esac
  53
  54
  55
  56 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
  57 $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
  58 if ${ac_cv_path_GREP+:} false; then :
  59   $as_echo_n "(cached) " >&6
  60 else
  61   if test -z "$GREP"; then
  62   ac_path_GREP_found=false
  63   # Loop through the user's path and test for each of PROGNAME-LIST
  64   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
  65 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
  66 do
  67   IFS=$as_save_IFS
  68   test -z "$as_dir" && as_dir=.
  69     for ac_prog in grep ggrep; do
  70     for ac_exec_ext in '' $ac_executable_extensions; do
  71       ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
  72       as_fn_executable_p "$ac_path_GREP" || continue
  73 # Check for GNU ac_path_GREP and select it if it is found.
  74   # Check for GNU $ac_path_GREP
  75 case `"$ac_path_GREP" --version 2>&1` in
  76 *GNU*)
  77   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
  78 *)
  79   ac_count=0
  80   $as_echo_n 0123456789 >"conftest.in"
  81   while :
  82   do
  83     cat "conftest.in" "conftest.in" >"conftest.tmp"
  84     mv "conftest.tmp" "conftest.in"
  85     cp "conftest.in" "conftest.nl"
  86     $as_echo 'GREP' >> "conftest.nl"
  87     "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
  88     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
  89     as_fn_arith $ac_count + 1 && ac_count=$as_val
  90     if test $ac_count -gt ${ac_path_GREP_max-0}; then
  91       # Best one so far, save it but keep looking for a better one
  92       ac_cv_path_GREP="$ac_path_GREP"
  93       ac_path_GREP_max=$ac_count
  94     fi
  95     # 10*(2^10) chars as input seems more than enough
  96     test $ac_count -gt 10 && break
  97   done
  98   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
  99 esac
 100
 101       $ac_path_GREP_found && break 3
 102     done
 103   done
 104   done
 105 IFS=$as_save_IFS
 106   if test -z "$ac_cv_path_GREP"; then
 107     as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
 108   fi
 109 else
 110   ac_cv_path_GREP=$GREP
 111 fi
 112
 113 fi
 114 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
 115 $as_echo "$ac_cv_path_GREP" >&6; }
 116  GREP="$ac_cv_path_GREP"
 117
 118
 119 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5
 120 $as_echo_n "checking for egrep... " >&6; }
 121 if ${ac_cv_path_EGREP+:} false; then :
 122   $as_echo_n "(cached) " >&6
 123 else
 124   if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
 125    then ac_cv_path_EGREP="$GREP -E"
 126    else
 127      if test -z "$EGREP"; then
 128   ac_path_EGREP_found=false
 129   # Loop through the user's path and test for each of PROGNAME-LIST
 130   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 131 for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
 132 do
 133   IFS=$as_save_IFS
 134   test -z "$as_dir" && as_dir=.
 135     for ac_prog in egrep; do
 136     for ac_exec_ext in '' $ac_executable_extensions; do
 137       ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
 138       as_fn_executable_p "$ac_path_EGREP" || continue
 139 # Check for GNU ac_path_EGREP and select it if it is found.
 140   # Check for GNU $ac_path_EGREP
 141 case `"$ac_path_EGREP" --version 2>&1` in
 142 *GNU*)
 143   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
 144 *)
 145   ac_count=0
 146   $as_echo_n 0123456789 >"conftest.in"
 147   while :
 148   do
 149     cat "conftest.in" "conftest.in" >"conftest.tmp"
 150     mv "conftest.tmp" "conftest.in"
 151     cp "conftest.in" "conftest.nl"
 152     $as_echo 'EGREP' >> "conftest.nl"
 153     "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
 154     diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
 155     as_fn_arith $ac_count + 1 && ac_count=$as_val
 156     if test $ac_count -gt ${ac_path_EGREP_max-0}; then
 157       # Best one so far, save it but keep looking for a better one
 158       ac_cv_path_EGREP="$ac_path_EGREP"
 159       ac_path_EGREP_max=$ac_count
 160     fi
 161     # 10*(2^10) chars as input seems more than enough
 162     test $ac_count -gt 10 && break
 163   done
 164   rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
 165 esac
 166
 167       $ac_path_EGREP_found && break 3
 168     done
 169   done
 170   done
 171 IFS=$as_save_IFS
 172   if test -z "$ac_cv_path_EGREP"; then
 173     as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5
 174   fi
 175 else
 176   ac_cv_path_EGREP=$EGREP
 177 fi
 178
 179    fi
 180 fi
 181 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
 182 $as_echo "$ac_cv_path_EGREP" >&6; }
 183  EGREP="$ac_cv_path_EGREP"
 184
 185
 186 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 187 /* end confdefs.h.  */
 188 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 189                      yes
 190                     #endif
 191
 192 _ACEOF
 193 if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 194   $EGREP "yes" >/dev/null 2>&1; then :
 195   endianness=le
 196 else
 197   endianness=be
 198 fi
 199 rm -f conftest*
 200
 201
 202   machine=arm/$endianness/$machine
 203   with_fp_cond="!defined __SOFTFP__"
 204 esac