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|
#!/bin/sh
LC_ALL=C
export LC_ALL
compile="$1"
# Possible types must be listed in ascending order
possible_integer_kinds="1 2 4 8 16"
possible_real_kinds="4 8 10 16"
largest=""
smallest=""
for k in $possible_integer_kinds; do
echo " integer (kind=$k) :: i" > tmp$$.f90
echo " i = 1_$k" >> tmp$$.f90
echo " end" >> tmp$$.f90
if $compile -S tmp$$.f90 > /dev/null 2>&1; then
s=`expr 8 \* $k`
largest="$k"
if [ $s -eq 128 ]; then
prefix="__"
else
prefix=""
fi
if [ "$smallest" = "" ]; then
smallest="$k"
fi
echo "typedef ${prefix}int${s}_t GFC_INTEGER_${k};"
echo "typedef ${prefix}uint${s}_t GFC_UINTEGER_${k};"
echo "typedef GFC_INTEGER_${k} GFC_LOGICAL_${k};"
echo "#define HAVE_GFC_LOGICAL_${k}"
echo "#define HAVE_GFC_INTEGER_${k}"
echo ""
fi
rm -f tmp$$.*
done
echo "#define GFC_INTEGER_LARGEST GFC_INTEGER_${largest}"
echo "#define GFC_UINTEGER_LARGEST GFC_UINTEGER_${largest}"
echo "#define GFC_DEFAULT_CHAR ${smallest}"
echo ""
# Get the kind value for long double, so we may disambiguate it
# from __float128.
echo "use iso_c_binding; print *, c_long_double ; end" > tmq$$.f90
long_double_kind=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \
| sed 's/ *TRANSFER *//'`
rm -f tmq$$.*
for k in $possible_real_kinds; do
echo " real (kind=$k) :: x" > tmp$$.f90
echo " x = 1.0_$k" >> tmp$$.f90
echo " end" >> tmp$$.f90
if $compile -S tmp$$.f90 > /dev/null 2>&1; then
case $k in
4) ctype="float" ; cplxtype="complex float" ; suffix="f" ;;
8) ctype="double" ; cplxtype="complex double" ; suffix="" ;;
10) ctype="long double" ; cplxtype="complex long double" ; suffix="l" ;;
16) if [ $long_double_kind -eq 10 ]; then
ctype="__float128"
cplxtype="_Complex float __attribute__((mode(TC)))"
suffix="q"
else
ctype="long double"
cplxtype="complex long double"
suffix="l"
fi ;;
*) echo "$0: Unknown type" >&2 ; exit 1 ;;
esac
# Check for the value of HUGE
echo "print *, huge(0._$k) ; end" > tmq$$.f90
huge=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \
| sed 's/ *TRANSFER *//' | sed 's/_.*//'`
rm -f tmq$$.*
# Check for the value of DIGITS
echo "print *, digits(0._$k) ; end" > tmq$$.f90
digits=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \
| sed 's/ *TRANSFER *//'`
rm -f tmq$$.*
# Check for the value of RADIX
echo "print *, radix(0._$k) ; end" > tmq$$.f90
radix=`$compile -S -fdump-parse-tree tmq$$.f90 | grep TRANSFER \
| sed 's/ *TRANSFER *//'`
rm -f tmq$$.*
# Output the information we've gathered
echo "typedef ${ctype} GFC_REAL_${k};"
echo "typedef ${cplxtype} GFC_COMPLEX_${k};"
echo "#define HAVE_GFC_REAL_${k}"
echo "#define HAVE_GFC_COMPLEX_${k}"
echo "#define GFC_REAL_${k}_HUGE ${huge}${suffix}"
echo "#define GFC_REAL_${k}_LITERAL_SUFFIX ${suffix}"
if [ "x$suffix" = "x" ]; then
echo "#define GFC_REAL_${k}_LITERAL(X) (X)"
else
echo "#define GFC_REAL_${k}_LITERAL(X) (X ## ${suffix})"
fi
echo "#define GFC_REAL_${k}_DIGITS ${digits}"
echo "#define GFC_REAL_${k}_RADIX ${radix}"
echo ""
fi
rm -f tmp$$.*
done
# After this, we include a header that can override some of the
# autodetected settings.
echo '#include "kinds-override.h"'
exit 0
|
