Enable long double by default

src/configure

@@ -1468,7 +1468,7 @@ Optional Features:
   --enable-opcode8        interpreter uses 8-bit codes (default=NO, only works
                           on Intel)
   --enable-unicode        enable support for unicode (default=NO)
-  --enable-longdouble     include support for long double (default=NO)
+  --enable-longdouble     include support for long double (default=YES)
   --enable-c99complex     include support for C complex type (default=NO)
   --enable-hierarchical-packages
                           hierarchical package names (default=YES)
@@ -2328,7 +2328,7 @@ fi
 if test "${enable_longdouble+set}" = set; then
   enableval=$enable_longdouble; enable_longdouble=${enableval}
 else
-  enable_longdouble=no
+  enable_longdouble=yes
 fi
 
 

src/configure.in

@@ -213,8 +213,8 @@ AC_ARG_ENABLE(unicode,
 AC_ARG_ENABLE(longdouble,
   AS_HELP_STRING( [--enable-longdouble],
                   [include support for long double]
-                  [(default=NO)]),
-  [enable_longdouble=${enableval}], [enable_longdouble=no])
+                  [(default=YES)]),
+  [enable_longdouble=${enableval}], [enable_longdouble=yes])
 
 AC_ARG_ENABLE(c99complex,
   AS_HELP_STRING( [--enable-c99complex],