[svn-r27228] restricted __float128 to gnu compilers

1 files changed, 35 insertions, 1 deletions

diff --git a/configure b/configure
index 31a20bb..6dcabac 100755
--- a/configure
+++ b/configure
@@ -5636,6 +5636,39 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+# The cast to long int works around a bug in the HP C Compiler
+# version HP92453-01 B.11.11.23709.GP, which incorrectly rejects
+# declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'.
+# This bug is HP SR number 8606223364.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of _Quad" >&5
+$as_echo_n "checking size of _Quad... " >&6; }
+if ${ac_cv_sizeof__Quad+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (_Quad))" "ac_cv_sizeof__Quad"        "$ac_includes_default"; then :
+
+else
+  if test "$ac_cv_type__Quad" = yes; then
+     { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error 77 "cannot compute sizeof (_Quad)
+See \`config.log' for more details" "$LINENO" 5; }
+   else
+     ac_cv_sizeof__Quad=0
+   fi
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof__Quad" >&5
+$as_echo "$ac_cv_sizeof__Quad" >&6; }
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define SIZEOF__QUAD $ac_cv_sizeof__Quad
+_ACEOF
+
+
 HAVE_FLOAT128=0
 HAVE_QUADMATH=0
 for ac_header in quadmath.h
@@ -5715,7 +5748,8 @@ fi
 
 
 
-## __float seems to work for __float128, but it should be _Quad type instead
+## __float128 seems to work intel compilers, but it should be _Quad type instead
+
 if test "$ac_cv_sizeof___float128" != 0 && test "$cc_vendor" = "gcc"; then
 ## Check if __float128 and c_long_double are the same size and precision