Author: Reiner Herrmann <reiner@reiner-h.de>
Description: Sort with C locale to get reproducible results.

Index: gerris-20131206+dfsg/doc/examples/Makefile.am
===================================================================
--- gerris-20131206+dfsg.orig/doc/examples/Makefile.am
+++ gerris-20131206+dfsg/doc/examples/Makefile.am
@@ -27,7 +27,7 @@ CLEANFILES = $(BUILT_SOURCES) Makefile.d
 pkgdata_DATA = gfs2tex.py gfs.lang gerris.dic gfs-keywords.el gfs-mode.el gfs.sty gfs.hva kaltura.sh gfs.php
 
 gerris.dic: classes modulesyms.sh $(top_srcdir)/modules/Makefile.am modules.list
-	($(builddir)/classes && sh $(srcdir)/modulesyms.sh $(top_srcdir)/modules $(pkglibdir)) | sort > gerris.dic
+	($(builddir)/classes && sh $(srcdir)/modulesyms.sh $(top_srcdir)/modules $(pkglibdir)) | LC_ALL=C sort > gerris.dic
 
 gfs.lang: gerris.dic
 	echo "# Language file for source-highlight" > gfs.lang
@@ -38,7 +38,7 @@ gfs.lang: gerris.dic
 	echo "redef preproc = \"C preprocessor command is not compatible with the use of # as comment character in GTS\"" >> gfs.lang
 
 modules.list: modules $(top_srcdir)/modules/Makefile.am
-	$(builddir)/modules $(top_srcdir)/modules/*.la $(pkglibdir)/*.so | sort | uniq > modules.list
+	$(builddir)/modules $(top_srcdir)/modules/*.la $(pkglibdir)/*.so | LC_ALL=C sort | uniq > modules.list
 
 gfs-keywords.el: gerris.dic modules.list
 	echo "(defvar gfs-abbrevs '(" > gfs-keywords.el