diff --git a/debian/changelog b/debian/changelog
index 164f96fb..f3d02f22 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,4 +1,4 @@
-llvm-toolchain-snapshot (1:4.0~svn275970-1~exp2) experimental; urgency=medium
+llvm-toolchain-snapshot (1:4.0~svn275971-1~exp1) experimental; urgency=medium
 
   * Sync the 3.9 changes into 4.0
   * Fix the cmake paths in llvm-4.0-dev deb package. Thanks to Brad King
@@ -15,6 +15,7 @@ llvm-toolchain-snapshot (1:4.0~svn275970-1~exp2) experimental; urgency=medium
   * Fix some lintian overrides
   * Generate more manpages
   * Remove some garbage from the manpages (Closes: #815991, #804347)
+  * Disable -gsplit-dwarf on Ubuntu precise
 
  -- Sylvestre Ledru <sylvestre@debian.org>  Mon, 25 Jul 2016 12:19:52 +0200
 
diff --git a/debian/rules b/debian/rules
index 542d3e80..d5db045b 100755
--- a/debian/rules
+++ b/debian/rules
@@ -25,7 +25,7 @@ DEB_HOST_ARCH       = $(shell dpkg-architecture -qDEB_HOST_ARCH)
 OCAML_STDLIB_DIR    ?= $(shell ocamlc -where)
 
 LDFLAGS_EXTRA =
-CXXFLAGS_EXTRA = -std=c++0x -gsplit-dwarf
+CXXFLAGS_EXTRA = -std=c++0x
 CONFIGURE_EXTRA =
 CMAKE_EXTRA =
 
@@ -33,6 +33,13 @@ ifneq (,$(filter $(DEB_HOST_ARCH),powerpc powerpcspe))
 LDFLAGS_EXTRA += -latomic
 endif
 
+ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' binutils ge 2.22.52.0.4 ; echo $$?),0)
+# when using -gsplit-dwarf, it will requires extract-dwo which doesn't exist on precise:
+# More: https://llvm.org/bugs/show_bug.cgi?id=28841
+CXXFLAGS_EXTRA += -gsplit-dwarf
+endif
+
+
 ifeq ($(shell dpkg --compare-versions $(shell dpkg-query -W -f '$${Version}' g++-$(GCC_VERSION)) lt 4.7.2-10~ ; echo $$?),0)
 # Too old version of gcc. Force 4.9
 	GCC_VERSION := 4.9