#!/bin/sh
+LC_ALL=C
+export LC_ALL
compile="$1"
smallest=""
for k in $possible_integer_kinds; do
echo " integer (kind=$k) :: i" > tmp$$.f90
+ echo " i = 1_$k" >> tmp$$.f90
echo " end" >> tmp$$.f90
- if $compile -c tmp$$.f90 > /dev/null 2>&1; then
+ if $compile -S tmp$$.f90 > /dev/null 2>&1; then
s=`expr 8 \* $k`
largest="$k"
echo "typedef GFC_INTEGER_${k} GFC_LOGICAL_${k};"
echo "#define HAVE_GFC_LOGICAL_${k}"
echo "#define HAVE_GFC_INTEGER_${k}"
+ echo ""
fi
rm -f tmp$$.*
done
echo ""
-largest_ctype=""
+# 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 -c tmp$$.f90 > /dev/null 2>&1; then
+ if $compile -S tmp$$.f90 > /dev/null 2>&1; then
case $k in
- 4) ctype="float" ;;
- 8) ctype="double" ;;
- 10) ctype="long double" ;;
- 16) ctype="long double" ;;
+ 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 "$0: Unknown type" >&2 ; exit 1 ;;
esac
- largest_ctype="$ctype"
+
+ # 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$$.*
+
+ # Output the information we've gathered
echo "typedef ${ctype} GFC_REAL_${k};"
- echo "typedef complex ${ctype} GFC_COMPLEX_${k};"
+ echo "typedef ${cplxtype} GFC_COMPLEX_${k};"
echo "#define HAVE_GFC_REAL_${k}"
echo "#define HAVE_GFC_COMPLEX_${k}"
+ echo "#define GFC_REAL_${k}_HUGE ${huge}${suffix}"
+ echo "#define GFC_REAL_${k}_LITERAL_SUFFIX ${suffix}"
+ if [ "x$suffix" = "x" ]; then
+ echo "#define GFC_REAL_${k}_LITERAL(X) (X)"
+ else
+ echo "#define GFC_REAL_${k}_LITERAL(X) (X ## ${suffix})"
+ fi
+ echo "#define GFC_REAL_${k}_DIGITS ${digits}"
+ echo "#define GFC_REAL_${k}_RADIX ${radix}"
+ echo ""
fi
rm -f tmp$$.*
done
-case $largest_ctype in
- float) echo "#define GFC_REAL_LARGEST_FORMAT \"\"" ;;
- double) echo "#define GFC_REAL_LARGEST_FORMAT \"l\"" ;;
- "long double") echo "#define GFC_REAL_LARGEST_FORMAT \"L\"" ;;
- *) echo "$0: Unknown type" >&2 ; exit 1 ;;
-esac
-echo "#define GFC_REAL_LARGEST $largest_ctype"
+
+# After this, we include a header that can override some of the
+# autodetected settings.
+echo '#include "kinds-override.h"'
exit 0