diff --git a/.gitignore b/.gitignore
index c9a6158bc4..4460159c84 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@
 *.o
 *.pyc
 *.tmp
+*.a
 
 .deps
 .libs
@@ -49,3 +50,12 @@ lost+found
 # ignore ./contrib/gcc_update output
 LAST_UPDATED
 REVISION
+
+stamp-*
+*.stamp
+
+# ignore in-tree prerequisites
+/mpfr*
+/mpc*
+/gmp*
+/isl*
diff --git a/ChangeLog b/ChangeLog
index 0453d97780..c4412c8c47 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2016-09-27  Simon Marchi  <simon.marchi@polymtl.ca>
+
+	* .gitignore: Add archives and make stamps.
+
 2016-07-20  Yan-Ting Lin  <currygt52@gmail.com>
 
 	* configure.ac (nds32*-*-*): Remove entry to enable gdb.