Utvider `.gitignore` til å inneholde fler autotools-filer.

.gitignore

@@ -1,16 +1,58 @@
 *#
 *.o
 *~
-.deps
-Makefile
-autom4te.cache
-config.h
-config.log
-config.status
+/.deps
+/Makefile
+/config.h
 fjernet
-mysql-dbadm
-mysql-useradm
-pwlex.c
-pwyacc.c
-stamp-h
-stamp-h1
+/mysql-dbadm
+/mysql-useradm
+/pwlex.c
+/pwyacc.c
+/pwyacc.h
+/stamp-h
+
+### Autotools ###
+# http://www.gnu.org/software/automake
+
+Makefile.in
+/ar-lib
+/mdate-sh
+/py-compile
+/test-driver
+/ylwrap
+
+# http://www.gnu.org/software/autoconf
+
+autom4te.cache
+/autoscan.log
+/autoscan-*.log
+/aclocal.m4
+/compile
+/config.guess
+/config.h.in
+/config.log
+/config.status
+/config.sub
+/configure
+/configure.scan
+/depcomp
+/install-sh
+/missing
+/stamp-h1
+
+# https://www.gnu.org/software/libtool/
+
+/ltmain.sh
+
+# http://www.gnu.org/software/texinfo
+
+/texinfo.tex
+
+# http://www.gnu.org/software/m4/
+
+m4/libtool.m4
+m4/ltoptions.m4
+m4/ltsugar.m4
+m4/ltversion.m4
+m4/lt~obsolete.m4