9 files changed, 10 insertions, 40 deletions
diff --git a/extra/Configs/Config.in.arch b/extra/Configs/Config.in.arch
index baf955982..6ee6c4bcd 100644
--- a/extra/Configs/Config.in.arch
+++ b/extra/Configs/Config.in.arch
@@ -195,6 +195,7 @@ config UCLIBC_HAS_LONG_DOUBLE_MATH
 	help
 	  If you want the uClibc math library to contain the full set of C99
 	  long double math library features, then answer Y.
+	  Danger: These are only wrappers to the double library functions!
 
 config KERNEL_HEADERS
 	string "Linux kernel header location"
diff --git a/libc/sysdeps/linux/arm/bits/mathdef.h b/libc/sysdeps/linux/arm/bits/mathdef.h
index 478ceed15..2b8bdf86f 100644
--- a/libc/sysdeps/linux/arm/bits/mathdef.h
+++ b/libc/sysdeps/linux/arm/bits/mathdef.h
@@ -34,10 +34,6 @@ typedef double double_t;	/* `double' expressions are evaluated as
 
 #endif	/* ISO C99 */
 
-#ifndef __NO_LONG_DOUBLE_MATH
-/* Signal that we do not really have a `long double'.  This disables the
-   declaration of all the `long double' function variants.  */
-/* XXX The FPA does support this but the patterns in GCC are currently
-   turned off.  */
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
 # define __NO_LONG_DOUBLE_MATH	1
 #endif
diff --git a/libc/sysdeps/linux/c6x/bits/mathdef.h b/libc/sysdeps/linux/c6x/bits/mathdef.h
index d8670b8c8..4d2439542 100644
--- a/libc/sysdeps/linux/c6x/bits/mathdef.h
+++ b/libc/sysdeps/linux/c6x/bits/mathdef.h
@@ -31,8 +31,6 @@ typedef double double_t;
 
 #endif	/* ISO C99 */
 
-#ifndef __NO_LONG_DOUBLE_MATH
-/* Signal that we do not really have a `long double'.  This disables the
-   declaration of all the `long double' function variants.  */
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
 # define __NO_LONG_DOUBLE_MATH	1
 #endif
diff --git a/libc/sysdeps/linux/common/bits/mathdef.h b/libc/sysdeps/linux/common/bits/mathdef.h
index ddcf6d40b..76411e49c 100644
--- a/libc/sysdeps/linux/common/bits/mathdef.h
+++ b/libc/sysdeps/linux/common/bits/mathdef.h
@@ -35,8 +35,6 @@ typedef double double_t;	/* `double' expressions are evaluated as
 
 #endif	/* ISO C99 */
 
-#ifndef __NO_LONG_DOUBLE_MATH
-/* Signal that we do not really have a `long double'.  The disables the
-   declaration of all the `long double' function variants.  */
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
 # define __NO_LONG_DOUBLE_MATH	1
 #endif
diff --git a/libc/sysdeps/linux/mips/bits/mathdef.h b/libc/sysdeps/linux/mips/bits/mathdef.h
index 6afe20d8a..09e2ca6f1 100644
--- a/libc/sysdeps/linux/mips/bits/mathdef.h
+++ b/libc/sysdeps/linux/mips/bits/mathdef.h
@@ -37,10 +37,6 @@ typedef double double_t;	/* `double' expressions are evaluated as
 
 #endif	/* ISO C99 */
 
-#if ! defined __NO_LONG_DOUBLE_MATH && _MIPS_SIM == _ABIO32
-/* Signal that we do not really have a `long double'.  This disables the
-   declaration of all the `long double' function variants.  */
-# define __NO_LONG_DOUBLE_MATH	1
-#elif !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
 # define __NO_LONG_DOUBLE_MATH	1
 #endif
diff --git a/libc/sysdeps/linux/nios2/bits/mathdef.h b/libc/sysdeps/linux/nios2/bits/mathdef.h
index 478ceed15..2b8bdf86f 100644
--- a/libc/sysdeps/linux/nios2/bits/mathdef.h
+++ b/libc/sysdeps/linux/nios2/bits/mathdef.h
@@ -34,10 +34,6 @@ typedef double double_t;	/* `double' expressions are evaluated as
 
 #endif	/* ISO C99 */
 
-#ifndef __NO_LONG_DOUBLE_MATH
-/* Signal that we do not really have a `long double'.  This disables the
-   declaration of all the `long double' function variants.  */
-/* XXX The FPA does support this but the patterns in GCC are currently
-   turned off.  */
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
 # define __NO_LONG_DOUBLE_MATH	1
 #endif
diff --git a/libc/sysdeps/linux/sh/bits/mathdef.h b/libc/sysdeps/linux/sh/bits/mathdef.h
index 9c7e0566e..e01906dc5 100644
--- a/libc/sysdeps/linux/sh/bits/mathdef.h
+++ b/libc/sysdeps/linux/sh/bits/mathdef.h
@@ -41,8 +41,6 @@ typedef double double_t;	/* `double' expressions are evaluated as
 
 #endif	/* ISO C99 */
 
-#ifndef __NO_LONG_DOUBLE_MATH
-/* Signal that we do not really have a `long double'.  The disables the
-   declaration of all the `long double' function variants.  */
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
 # define __NO_LONG_DOUBLE_MATH	1
 #endif
diff --git a/libc/sysdeps/linux/sparc/bits/mathdef.h b/libc/sysdeps/linux/sparc/bits/mathdef.h
index 15c0bc750..401e470ec 100644
--- a/libc/sysdeps/linux/sparc/bits/mathdef.h
+++ b/libc/sysdeps/linux/sparc/bits/mathdef.h
@@ -20,8 +20,6 @@
 # error "Never use <bits/mathdef.h> directly; include <math.h> instead"
 #endif
 
-#include <bits/wordsize.h>
-
 /* FIXME! This file describes properties of the compiler, not the machine;
    it should not be part of libc!  */
 
@@ -38,15 +36,6 @@ typedef double double_t;
 
 #endif	/* ISO C99 */
 
-#ifndef __NO_LONG_DOUBLE_MATH
-
-# if __WORDSIZE == 32
-/* Signal that in 32bit ABI we do not really have a `long double'.
-   The disables the declaration of all the `long double' function
-   variants.  */
-#  define __NO_LONG_DOUBLE_MATH	1
-# elif !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
-#  define __NO_LONG_DOUBLE_MATH	1
-# endif
-
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
+# define __NO_LONG_DOUBLE_MATH	1
 #endif
diff --git a/libc/sysdeps/linux/xtensa/bits/mathdef.h b/libc/sysdeps/linux/xtensa/bits/mathdef.h
index 1c73cb255..687d888e0 100644
--- a/libc/sysdeps/linux/xtensa/bits/mathdef.h
+++ b/libc/sysdeps/linux/xtensa/bits/mathdef.h
@@ -35,8 +35,6 @@ typedef double double_t;	/* `double' expressions are evaluated as
 
 #endif	/* ISO C99 */
 
-#ifndef __NO_LONG_DOUBLE_MATH
-/* Signal that we do not really have a `long double'.  The disables the
-   declaration of all the `long double' function variants.  */
+#if !defined __NO_LONG_DOUBLE_MATH && !defined __UCLIBC_HAS_LONG_DOUBLE_MATH__
 # define __NO_LONG_DOUBLE_MATH	1
 #endif