[PATCH] Update .gitignore

[Filipe Brandenburger]

Tested by running `./configure --enable-maintainer-mode' and then the
sequence `make && make check && make distcheck' and confirming that the
`git status' output did not show any untracked files.

Signed-off-by: Filipe Brandenburger <address@hidden>
---
 .gitignore | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/.gitignore b/.gitignore
index 48bcdd25f55d..f3e990cac925 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,23 @@ TAGS
 *.lo
 *.la
 *.o
-*autom4te.cache
+
+# autotools
+/autom4te.cache
+/.deps
+/Makefile
+/config.log
+/config.status
+
+# testsuite (make check)
+/*.log
+/*.sum
+/site.exp
+/unit
+
+# archive tarball and directory (make distcheck)
+/dejagnu-[0-9]*.tar.gz
+/dejagnu-[0-9]*/
+
+# git format-patch
+/*.patch
-- 
2.2.0.rc0.207.ga3a616c