diff --git a/testsuite/libffi.call/float2.c b/testsuite/libffi.call/float2.c
index d583e22..57cd9e3 100644
--- a/testsuite/libffi.call/float2.c
+++ b/testsuite/libffi.call/float2.c
@@ -33,19 +33,20 @@ int main (void)
 
   f = 3.14159;
 
-#if 1
-  /* This is ifdef'd out for now. long double support under SunOS/gcc
-     is pretty much non-existent.  You'll get the odd bus error in library
-     routines like printf().  */
+#if defined(__sun) && defined(__GNUC__)
+  /* long double support under SunOS/gcc is pretty much non-existent.
+     You'll get the odd bus error in library routines like printf() */
+#else
   printf ("%Lf\n", ldblit(f));
 #endif
+
   ld = 666;
   ffi_call(&cif, FFI_FN(ldblit), &ld, values);
 
-#if 1
-  /* This is ifdef'd out for now. long double support under SunOS/gcc
-     is pretty much non-existent.  You'll get the odd bus error in library
-     routines like printf().  */
+#if defined(__sun) && defined(__GNUC__)
+  /* long double support under SunOS/gcc is pretty much non-existent.
+     You'll get the odd bus error in library routines like printf() */
+#else
   printf ("%Lf, %Lf, %Lf, %Lf\n", ld, ldblit(f), ld - ldblit(f), LDBL_EPSILON);
 #endif