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-rwxr-xr-xlibgfortran/mk-kinds-h.sh39
1 files changed, 26 insertions, 13 deletions
diff --git a/libgfortran/mk-kinds-h.sh b/libgfortran/mk-kinds-h.sh
index 0b8dbc5f94f..98a95ab54a7 100755
--- a/libgfortran/mk-kinds-h.sh
+++ b/libgfortran/mk-kinds-h.sh
@@ -44,7 +44,14 @@ echo "#define GFC_UINTEGER_LARGEST GFC_UINTEGER_${largest}"
echo "#define GFC_DEFAULT_CHAR ${smallest}"
echo ""
-REAL_10_FOUND=
+
+# 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
@@ -52,17 +59,18 @@ for k in $possible_real_kinds; do
echo " end" >> tmp$$.f90
if $compile -S tmp$$.f90 > /dev/null 2>&1; then
case $k in
- 4) ctype="float" ; suffix="f" ;;
- 8) ctype="double" ; suffix="" ;;
- 10) ctype="long double" ; suffix="l" ; REAL_10_FOUND=1 ;;
- 16) ctype="long double"
- suffix="l"
- # Disable REAL(16) if it is just __float128
- # until the library is fixed
- if [ -n "$REAL_10_FOUND" ]; then
- continue
- fi
- ;;
+ 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
@@ -86,7 +94,7 @@ for k in $possible_real_kinds; do
# 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}"
@@ -103,4 +111,9 @@ for k in $possible_real_kinds; do
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