x86: Respect --disable-float128 flag to disable FLOAT128 functionality

diff --git a/sysdeps/x86/bits/floatn.h b/sysdeps/x86/bits/floatn.h
index 7387bbae38f5ab3e0af355425e7932b70010ebbd..9dd9d8a40d61a13c78e2c5d5a2ad56f9d511b649 100644 (file)
--- a/sysdeps/x86/bits/floatn.h
+++ b/sysdeps/x86/bits/floatn.h
@@ -33,7 +33,7 @@
 #if (defined __x86_64__                                                        \
      ? __GNUC_PREREQ (4, 3)                                            \
      : (defined __GNU__ ? __GNUC_PREREQ (4, 5) : __GNUC_PREREQ (4, 4))) \
-    || defined __clang__
+    || (defined __clang__ && defined WANT_FLOAT128 && WANT_FLOAT128 == 1)
 # define __HAVE_FLOAT128 1
 #else
 # define __HAVE_FLOAT128 0