libgfortran/mk-kinds-h.sh

   1 #!/bin/sh
   2
   3 compile="$1"
   4
   5 # Possible types must be listed in ascending order
   6 possible_integer_kinds="1 2 4 8 16"
   7 possible_real_kinds="4 8 10 16"
   8
   9
  10 largest=""
  11 smallest=""
  12 for k in $possible_integer_kinds; do
  13   echo "  integer (kind=$k) :: i" > tmp$$.f90
  14   echo "  end" >> tmp$$.f90
  15   if $compile -c tmp$$.f90 > /dev/null 2>&1; then
  16     s=`expr 8 \* $k`
  17     largest="$k"
  18
  19     if [ $s -eq 128 ]; then
  20       prefix="__"
  21     else
  22       prefix=""
  23     fi
  24
  25     if [ "$smallest" = "" ]; then
  26         smallest="$k"
  27     fi
  28
  29     echo "typedef ${prefix}int${s}_t GFC_INTEGER_${k};"
  30     echo "typedef ${prefix}uint${s}_t GFC_UINTEGER_${k};"
  31     echo "typedef GFC_INTEGER_${k} GFC_LOGICAL_${k};"
  32     echo "#define HAVE_GFC_LOGICAL_${k}"
  33     echo "#define HAVE_GFC_INTEGER_${k}"
  34   fi
  35   rm -f tmp$$.*
  36 done
  37
  38 echo "#define GFC_INTEGER_LARGEST GFC_INTEGER_${largest}"
  39 echo "#define GFC_UINTEGER_LARGEST GFC_UINTEGER_${largest}"
  40 echo "#define GFC_DEFAULT_CHAR ${smallest}"
  41 echo ""
  42
  43
  44 largest_ctype=""
  45 for k in $possible_real_kinds; do
  46   echo "  real (kind=$k) :: x" > tmp$$.f90
  47   echo "  end" >> tmp$$.f90
  48   if $compile -c tmp$$.f90 > /dev/null 2>&1; then
  49     case $k in
  50       4) ctype="float" ;;
  51       8) ctype="double" ;;
  52       10) ctype="long double" ;;
  53       16) ctype="long double" ;;
  54       *) echo "$0: Unknown type" >&2 ; exit 1 ;;
  55     esac
  56     largest_ctype="$ctype"
  57     echo "typedef ${ctype} GFC_REAL_${k};"
  58     echo "typedef complex ${ctype} GFC_COMPLEX_${k};"
  59     echo "#define HAVE_GFC_REAL_${k}"
  60     echo "#define HAVE_GFC_COMPLEX_${k}"
  61   fi
  62   rm -f tmp$$.*
  63 done
  64
  65 case $largest_ctype in
  66   float) echo "#define GFC_REAL_LARGEST_FORMAT \"\"" ;;
  67   double) echo "#define GFC_REAL_LARGEST_FORMAT \"l\"" ;;
  68   "long double") echo "#define GFC_REAL_LARGEST_FORMAT \"L\"" ;;
  69   *) echo "$0: Unknown type" >&2 ; exit 1 ;;
  70 esac
  71 echo "#define GFC_REAL_LARGEST $largest_ctype"
  72
  73 exit 0