commit 1fe3da33623aaf78b7cac5858f4a7a64aeeba303
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date:   Tue Jun 24 13:19:06 2014 +0530

    Add compat symbols for scalb* in i386
    
    Bring back symbols into libc.so for scalb* functions.  They are no
    longer used but unfortunately they're now part of the ABI.

diff --git a/sysdeps/i386/fpu/s_scalbn.S b/sysdeps/i386/fpu/s_scalbn.S
index 548f19f..21cb98b 100644
--- a/sysdeps/i386/fpu/s_scalbn.S
+++ b/sysdeps/i386/fpu/s_scalbn.S
@@ -16,3 +16,8 @@ ENTRY(__scalbn)
 END (__scalbn)
 weak_alias (__scalbn, scalbn)
 strong_alias (__scalbn, __scalbln)
+
+#include <shlib-compat.h>
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_20)
+compat_symbol (libc, __scalbn, scalbln, GLIBC_2_1);
+#endif
diff --git a/sysdeps/i386/fpu/s_scalbnf.S b/sysdeps/i386/fpu/s_scalbnf.S
index fe6516e..fe504c0 100644
--- a/sysdeps/i386/fpu/s_scalbnf.S
+++ b/sysdeps/i386/fpu/s_scalbnf.S
@@ -16,3 +16,8 @@ ENTRY(__scalbnf)
 END (__scalbnf)
 weak_alias (__scalbnf, scalbnf)
 strong_alias (__scalbnf, __scalblnf)
+
+#include <shlib-compat.h>
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_20)
+compat_symbol (libc, __scalbnf, scalblnf, GLIBC_2_1);
+#endif
diff --git a/sysdeps/i386/fpu/s_scalbnl.S b/sysdeps/i386/fpu/s_scalbnl.S
index 8f65de4..f1ca7ad 100644
--- a/sysdeps/i386/fpu/s_scalbnl.S
+++ b/sysdeps/i386/fpu/s_scalbnl.S
@@ -17,3 +17,8 @@ ENTRY(__scalbnl)
 END (__scalbnl)
 weak_alias (__scalbnl, scalbnl)
 strong_alias (__scalbnl, __scalblnl)
+
+#include <shlib-compat.h>
+#if defined SHARED && SHLIB_COMPAT (libc, GLIBC_2_1, GLIBC_2_20)
+compat_symbol (libc, __scalbnl, scalblnl, GLIBC_2_1);
+#endif