[PATCH COMMITTED] Adjust sparc 32-bit __sqrtl_finite version tag.

[David Miller]

From: Richard Henderson <rth@twiddle.net>
Date: Mon, 25 Jan 2016 11:08:14 -0800

> On 01/25/2016 11:00 AM, David Miller wrote:
>>  }
>>  strong_alias (__ieee754_sqrtl, __sqrtl_finite)
>> +
>> +#include <shlib-compat.h>
>> +versioned_symbol (libm, __sqrtl_finite, sqrtl_finite, GLIBC_2_23);
> 
> sqrtl_finite (no underscores) is not an exported symbol.
> 
> Drop the strong alias and version from __ieee754_sqrtl to __sqrtl_finite.

Aha, I see.  Testing the following...

diff --git a/sysdeps/sparc/sparc32/fpu/e_sqrtl.c b/sysdeps/sparc/sparc32/fpu/e_sqrtl.c
index 46ad861..b0ce44a 100644
--- a/sysdeps/sparc/sparc32/fpu/e_sqrtl.c
+++ b/sysdeps/sparc/sparc32/fpu/e_sqrtl.c
@@ -25,4 +25,6 @@ __ieee754_sqrtl (long double x)
 {
   return _Q_sqrt (x);
 }
-strong_alias (__ieee754_sqrtl, __sqrtl_finite)
+
+#include <shlib-compat.h>
+versioned_symbol (libm, __ieee754_sqrtl, __sqrtl_finite, GLIBC_2_23);
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/Versions b/sysdeps/unix/sysv/linux/sparc/sparc32/Versions
index c9a5b3e..a0b9c19 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/Versions
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/Versions
@@ -24,3 +24,9 @@ libc {
     fallocate64;
   }
 }
+
+libm {
+  GLIBC_2.23 {
+    __sqrtl_finite;
+  }
+}