1#!/bin/sh 2LC_ALL=C 3export LC_ALL 4 5compile="$1" 6 7# Possible types must be listed in ascending order 8possible_integer_kinds="1 2 4 8 16" 9possible_real_kinds="4 8 10 16" 10 11 12largest="" 13smallest="" 14for k in $possible_integer_kinds; do 15 echo " integer (kind=$k) :: i" > tmp$$.f90 16 echo " i = 1_$k" >> tmp$$.f90 17 echo " end" >> tmp$$.f90 18 if $compile -S tmp$$.f90 > /dev/null 2>&1; then 19 s=`expr 8 \* $k` 20 largest="$k" 21 22 if [ $s -eq 128 ]; then 23 prefix="__" 24 else 25 prefix="" 26 fi 27 28 if [ "$smallest" = "" ]; then 29 smallest="$k" 30 fi 31 32 echo "typedef ${prefix}int${s}_t GFC_INTEGER_${k};" 33 echo "typedef ${prefix}uint${s}_t GFC_UINTEGER_${k};" 34 echo "typedef GFC_INTEGER_${k} GFC_LOGICAL_${k};" 35 echo "#define HAVE_GFC_LOGICAL_${k}" 36 echo "#define HAVE_GFC_INTEGER_${k}" 37 echo "" 38 fi 39 rm -f tmp$$.* 40done 41 42echo "#define GFC_INTEGER_LARGEST GFC_INTEGER_${largest}" 43echo "#define GFC_UINTEGER_LARGEST GFC_UINTEGER_${largest}" 44echo "#define GFC_DEFAULT_CHAR ${smallest}" 45echo "" 46 47 48# Get the kind value for long double, so we may disambiguate it 49# from __float128. 50echo "use iso_c_binding; print *, c_long_double ; end" > tmq$$.f90 51long_double_kind=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \ 52 | sed 's/ *TRANSFER *//'` 53rm -f tmq$$.* 54 55 56for k in $possible_real_kinds; do 57 echo " real (kind=$k) :: x" > tmp$$.f90 58 echo " x = 1.0_$k" >> tmp$$.f90 59 echo " end" >> tmp$$.f90 60 if $compile -S tmp$$.f90 > /dev/null 2>&1; then 61 case $k in 62 4) ctype="float" ; cplxtype="complex float" ; suffix="f" ;; 63 8) ctype="double" ; cplxtype="complex double" ; suffix="" ;; 64 10) ctype="long double" ; cplxtype="complex long double" ; suffix="l" ;; 65 16) if [ $long_double_kind -eq 10 ]; then 66 ctype="__float128" 67 cplxtype="_Complex float __attribute__((mode(TC)))" 68 suffix="q" 69 else 70 ctype="long double" 71 cplxtype="complex long double" 72 suffix="l" 73 fi ;; 74 *) echo "$0: Unknown type" >&2 ; exit 1 ;; 75 esac 76 77 # Check for the value of HUGE 78 echo "print *, huge(0._$k) ; end" > tmq$$.f90 79 huge=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \ 80 | sed 's/ *TRANSFER *//' | sed 's/_.*//'` 81 rm -f tmq$$.* 82 83 # Check for the value of DIGITS 84 echo "print *, digits(0._$k) ; end" > tmq$$.f90 85 digits=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \ 86 | sed 's/ *TRANSFER *//'` 87 rm -f tmq$$.* 88 89 # Check for the value of RADIX 90 echo "print *, radix(0._$k) ; end" > tmq$$.f90 91 radix=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \ 92 | sed 's/ *TRANSFER *//'` 93 rm -f tmq$$.* 94 95 # Output the information we've gathered 96 echo "typedef ${ctype} GFC_REAL_${k};" 97 echo "typedef ${cplxtype} GFC_COMPLEX_${k};" 98 echo "#define HAVE_GFC_REAL_${k}" 99 echo "#define HAVE_GFC_COMPLEX_${k}" 100 echo "#define GFC_REAL_${k}_HUGE ${huge}${suffix}" 101 echo "#define GFC_REAL_${k}_LITERAL_SUFFIX ${suffix}" 102 if [ "x$suffix" = "x" ]; then 103 echo "#define GFC_REAL_${k}_LITERAL(X) (X)" 104 else 105 echo "#define GFC_REAL_${k}_LITERAL(X) (X ## ${suffix})" 106 fi 107 echo "#define GFC_REAL_${k}_DIGITS ${digits}" 108 echo "#define GFC_REAL_${k}_RADIX ${radix}" 109 echo "" 110 fi 111 rm -f tmp$$.* 112done 113 114 115# After this, we include a header that can override some of the 116# autodetected settings. 117echo '#include "kinds-override.h"' 118 119exit 0 120