diff --git a/debian/changelog b/debian/changelog
index 29fa8755..dfd70140 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,9 +1,10 @@
-llvm-toolchain-3.4 (1:3.4~+rc2-4) UNRELEASED; urgency=low
+llvm-toolchain-3.4 (1:3.4~+-1~exp1) UNRELEASED; urgency=low
 
   * Relative call in the chroot without proc failed.
     See: fix-an-issue-in-chroot-witout-proc.diff
+  * Fix a build failure in lldb (missing declaration)
 
- -- Sylvestre Ledru <sylvestre@debian.org>  Mon, 09 Dec 2013 17:37:49 +0100
+ -- Sylvestre Ledru <sylvestre@debian.org>  Sun, 15 Dec 2013 21:54:01 +0100
 
 llvm-toolchain-3.4 (1:3.4~+rc2-3) unstable; urgency=low
 
diff --git a/debian/patches/lldb-missing-declaration.diff b/debian/patches/lldb-missing-declaration.diff
new file mode 100644
index 00000000..a8578058
--- /dev/null
+++ b/debian/patches/lldb-missing-declaration.diff
@@ -0,0 +1,12 @@
+Index: llvm-toolchain-3.4_3.4~+/lldb/source/Host/common/Host.cpp
+===================================================================
+--- llvm-toolchain-3.4_3.4~+.orig/lldb/source/Host/common/Host.cpp	2013-12-15 21:56:52.000000000 +0100
++++ llvm-toolchain-3.4_3.4~+/lldb/source/Host/common/Host.cpp	2013-12-16 10:08:05.144077914 +0100
+@@ -1217,6 +1217,7 @@
+                 }
+                 if (tmpdir_cstr)
+                 {
++                    Log *log(lldb_private::GetLogIfAllCategoriesSet (LIBLLDB_LOG_THREAD));
+                     g_lldb_tmp_dir.SetCString(tmpdir_cstr);
+                     if (log)
+                         log->Printf("Host::GetLLDBPath(ePathTypeLLDBTempSystemDir) => '%s'", g_lldb_tmp_dir.GetCString());
diff --git a/debian/patches/series b/debian/patches/series
index 148f8e9d..dc3659d5 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -33,3 +33,5 @@ debian-mips64-n32-multiarch.diff
 force-gcc-header-obj.diff
 do-not-fail-on-unexpected-pass.diff
 fix-an-issue-in-chroot-witout-proc.diff
+lldb-missing-declaration.diff
+