uclibc: 0.9.30.1 fix for ppc32 C99 math

Index: uClibc-0.9.30.1/libc/sysdeps/linux/powerpc/bits/wordsize.h

===================================================================

--- uClibc-0.9.30.1/libc/sysdeps/linux/powerpc/bits/wordsize.h	(revision 25503)

+++ uClibc-0.9.30.1/libc/sysdeps/linux/powerpc/bits/wordsize.h	(working copy)

@@ -14,6 +14,6 @@

    to the double functions.  */

 # define __LONG_DOUBLE_MATH_OPTIONAL   1

 # ifndef __LONG_DOUBLE_128__

-#  undef __UCLIBC_HAS_LONG_DOUBLE_MATH__

+#  define __NO_LONG_DOUBLE_MATH	1

 # endif

 #endif

Index: uClibc-0.9.30.1/libc/sysdeps/linux/powerpc/bits/mathdef.h

===================================================================

--- uClibc-0.9.30.1/libc/sysdeps/linux/powerpc/bits/mathdef.h	(revision 25503)

+++ uClibc-0.9.30.1/libc/sysdeps/linux/powerpc/bits/mathdef.h	(working copy)

@@ -70,6 +70,8 @@ typedef double double_t;

 /* Signal that we do not really have a `long double'.  The disables the

    declaration of all the `long double' function variants.  */

 # if __WORDSIZE == 32

-#  undef __UCLIBC_HAS_LONG_DOUBLE_MATH__

+#  define __NO_LONG_DOUBLE_MATH	1

+# elif !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__

+#  define __NO_LONG_DOUBLE_MATH	1

 # endif  /* __WORDSIZE == 32 */

 #endif  /* __UCLIBC_HAS_LONG_DOUBLE_MATH__ */

Index: uClibc-0.9.30.1/libc/sysdeps/linux/powerpc/bits/mathinline.h

===================================================================

--- uClibc-0.9.30.1/libc/sysdeps/linux/powerpc/bits/mathinline.h	(revision 25503)

+++ uClibc-0.9.30.1/libc/sysdeps/linux/powerpc/bits/mathinline.h	(working copy)

@@ -107,6 +107,14 @@ __NTH (lrintf (float __x))

 }

 # endif

+/* __MATH_INLINE int

+__NTH (__finite (double __x))

+{

+  return (__extension__

+    (((union { double __d; int __i[2]; }) { __d: __x}.__i[1]

+      & 0x7fffffff) - 0x7ff00000) >> 31);

+}

+*/

 __MATH_INLINE double fdim (double __x, double __y) __THROW;

 __MATH_INLINE double

 __NTH (fdim (double __x, double __y))