--- a/modules/fdlibm/src/math_private.h
+++ b/modules/fdlibm/src/math_private.h
@@ -30,9 +30,15 @@
  * Adapted from https://github.com/freebsd/freebsd-src/search?q=__double_t
  */
 
+#if defined(__linux__) && defined(__i386__) && !defined(__clang__)
+// rely on glibc's double_t
+typedef long double __double_t;
+typedef long double __float_t;
+#else
 typedef double      __double_t;
-typedef __double_t  double_t;
 typedef float       __float_t;
+#endif
+typedef __double_t  double_t;
 typedef __float_t   float_t;
 
 /*