diff --git a/_service b/_service
index ea8b4fe..1175f65 100644
--- a/_service
+++ b/_service
@@ -5,7 +5,7 @@
     <param name="changesgenerate">enable</param>
     <param name="filename">gnulib</param>
     <param name="versionformat">git.%cd.%h</param>
-    <param name="revision">f4693b0166bab83ab232dcd3cfd95906411d1110</param>
+    <param name="revision">d6dabe8eece3a9c1269dc1c084531ce447c7a42e</param>
   </service>
   <service mode="disabled" name="recompress">
     <param name="file">*.tar</param>
diff --git a/gnulib-git.20200216.f4693b016.tar.xz b/gnulib-git.20200216.f4693b016.tar.xz
deleted file mode 100644
index 15f86b7..0000000
--- a/gnulib-git.20200216.f4693b016.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:886375b972b06d83d67ad8f98b1156c9c3bf5d41e4b70425ef75c955565bd54e
-size 4290792
diff --git a/gnulib-git.20200809.d6dabe8ee.tar.xz b/gnulib-git.20200809.d6dabe8ee.tar.xz
new file mode 100644
index 0000000..b5f7929
--- /dev/null
+++ b/gnulib-git.20200809.d6dabe8ee.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:9bd65c0a655afd319cb8a3de2fdf0c90f3b4aa7650d4cfe2d0b5f28cc0fd14dd
+size 4380652
diff --git a/gnulib.changes b/gnulib.changes
index 3d5ad6b..fee8b6d 100644
--- a/gnulib.changes
+++ b/gnulib.changes
@@ -1,3 +1,19 @@
+-------------------------------------------------------------------
+Thu Sep  3 14:58:56 UTC 2020 - opensuse.lietuviu.kalba@gmail.com
+
+- Update to version git.20200809.d6dabe8ee 
+  to Use __builtin_signbit* with clang.:
+  * lib/math.in.h (signbit): Use __builtin_signbit{,f,l} also on clang.
+  * m4/signbit.m4 (gl_SIGNBIT): Use __builtin_signbit{,f,l} also on clang.
+    Set REPLACE_SIGNBIT_USING_BUILTINS, not REPLACE_SIGNBIT_USING_GCC.
+  * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize
+    REPLACE_SIGNBIT_USING_BUILTINS, not REPLACE_SIGNBIT_USING_GCC.
+  * modules/math (Makefile.am): Substitute REPLACE_SIGNBIT_USING_BUILTINS,
+    not REPLACE_SIGNBIT_USING_GCC.
+- Earler changes can be found here:
+  https://git.savannah.gnu.org/cgit/gnulib.git/tree/ChangeLog
+- This gnulib version is required by PSPP 1.4.0, 1.4.1 and current master.
+
 -------------------------------------------------------------------
 Thu Sep  3 11:21:25 UTC 2020 - opensuse.lietuviu.kalba@gmail.com
 
diff --git a/gnulib.spec b/gnulib.spec
index a88c4e9..e3a3d2c 100644
--- a/gnulib.spec
+++ b/gnulib.spec
@@ -19,7 +19,7 @@
 %global module1 git-merge-changelog
 
 Name:           gnulib
-Version:        git.20200216.f4693b016
+Version:        git.20200809.d6dabe8ee
 Release:        0
 Summary:        GNU Portability Library
 License:        SUSE-Public-Domain AND GPL-2.0-or-later AND GPL-3.0-only AND GPL-3.0-or-later AND LGPL-2.0-only AND LGPL-2.1-or-later AND LGPL-3.0-or-later