diff --git a/ChangeLog b/ChangeLog
index 0cc5c42d5c..a6c2a33307 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2017-11-29  Joseph Myers  <joseph@codesourcery.com>
 
+	[BZ #22229]
+	* sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S: Include
+	<math_ldbl_opt.h>.
+	(fabsl): Define as compat symbol at version GLIBC_2_0 for libm.
+
 	* scripts/build-many-glibcs.py (Context.add_all_configs): Add
 	SPARC --disable-multi-arch glibc variants.
 
diff --git a/sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S b/sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S
index bf51739b5a..716144630c 100644
--- a/sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S
+++ b/sysdeps/sparc/sparc32/sparcv9/fpu/s_fabs.S
@@ -17,6 +17,7 @@
    <http://www.gnu.org/licenses/>.  */
 
 #include <sysdep.h>
+#include <math_ldbl_opt.h>
 
 ENTRY (__fabs)
 	st	%o0, [%sp+72]
@@ -26,3 +27,6 @@ ENTRY (__fabs)
 	 fabsd	%f0, %f0
 END (__fabs)
 weak_alias (__fabs, fabs)
+#if LONG_DOUBLE_COMPAT (libm, GLIBC_2_0)
+compat_symbol (libm, __fabs, fabsl, GLIBC_2_0);
+#endif