diff --git a/elfutils.changes b/elfutils.changes
index 252e5bf..5c58544 100644
--- a/elfutils.changes
+++ b/elfutils.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue May 24 15:32:28 UTC 2011 - crrodriguez@opensuse.org
+
+- Remote timestamps on binaries, breaks build compare
+- Add missing build requires on zlib, bzip2 and lzma .
+
 -------------------------------------------------------------------
 Wed Apr 27 00:35:22 UTC 2011 - tonyj@novell.com
 
diff --git a/elfutils.spec b/elfutils.spec
index 3bd8d88..68bd3d8 100644
--- a/elfutils.spec
+++ b/elfutils.spec
@@ -36,7 +36,7 @@ Patch5:         elfutils-uninitialized.diff
 Patch6:         elfutils-0.137-dwarf-header-check-fix.diff
 Patch7:         elfutils-0.148-dont-crash.diff
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
-BuildRequires:  bison flex
+BuildRequires:  bison flex xz-devel zlib-devel libbz2-devel
 
 %description
 This package provides a higher-level library to access ELF files. This
@@ -145,6 +145,10 @@ to develop applications that require these.
 %patch7 -p1
 
 %build
+modified="$(sed -n '/^----/n;s/ - .*$//;p;q' "%{_sourcedir}/%{name}.changes")"
+DATE="\"$(date -d "${modified}" "+%%b %%e %%Y")\""
+TIME="\"$(date -d "${modified}" "+%%R")\""
+find . -type f -regex ".*\.c\|.*\.cpp\|.*\.h" -exec sed -i "s/__DATE__/${DATE}/g;s/__TIME__/${TIME}/g" {} +
 autoreconf -fi
 %configure --program-prefix=eu-
 make %{?_smp_mflags}