diff -Nrup a/doc/Makefile b/doc/Makefile
--- a/doc/Makefile	2018-12-29 17:14:11.000000000 +0100
+++ b/doc/Makefile	2019-04-22 08:04:48.788824592 +0200
@@ -30,7 +30,7 @@ BLOCK_IMAGES=$(addprefix img_pdf/,$(notd
 
 MODELS=$(wildcard modeles/*/*.d)
 
-all: $(SELECTED_DOCBOOKS:.xml=.pdf) $(SELECTED_DOCBOOKS:.xml=.x) $(IMAGES:.svg=.png) $(MODELS:.d=.tgz) html/index.html;
+all: $(SELECTED_DOCBOOKS:.xml=.x) $(IMAGES:.svg=.png) $(MODELS:.d=.tgz) html/index.html;
 
 show_doc_lang:
 	@echo "DOC_LANG = $(DOC_LANG)"
diff -Nrup a/Makefile b/Makefile
--- a/Makefile	2018-12-29 17:14:11.000000000 +0100
+++ b/Makefile	2019-04-22 08:16:14.172824806 +0200
@@ -159,7 +159,7 @@ vars-subs.pl: $(SUB_MAKEFILES) authors-s
 
 doc:
 	$(MAKE) -C doc
-	$(MAKE) -C doc/sty
+#	$(MAKE) -C doc/sty
 
 I18N:
 	$(MAKE) -C I18N
@@ -239,7 +239,7 @@ endif
 	install    -m 0755 $(USER_GROUP) $(BINARIES) $(DESTDIR)/$(MODSDIR)/exec
 	install    -m 0644 $(USER_GROUP) $(GLADE) $(DESTDIR)/$(MODSDIR)/perl
 	install -d -m 0755 $(USER_GROUP) $(DESTDIR)/$(TEXDIR)
-	install    -m 0644 $(USER_GROUP) $(STY) $(DESTDIR)/$(TEXDIR)
+#	install    -m 0644 $(USER_GROUP) $(STY) $(DESTDIR)/$(TEXDIR)
 ifneq ($(DESKTOPDIR),)
 	install -d -m 0755 $(USER_GROUP) $(DESTDIR)/$(DESKTOPDIR)
 	install    -m 0644 $(USER_GROUP) -T auto-multiple-choice.desktop $(DESTDIR)/$(DESKTOPDIR)/auto-multiple-choice.desktop
@@ -281,7 +281,7 @@ install_doc: FORCE
 	@echo "Installing doc..."
 ifneq ($(TEXDOCDIR),)
 	install -d -m 0755 $(USER_GROUP) $(DESTDIR)/$(TEXDOCDIR)
-	install    -m 0644 $(USER_GROUP) doc/sty/*.pdf doc/sty/*.tex $(DESTDIR)/$(TEXDOCDIR)
+#	install    -m 0644 $(USER_GROUP) doc/sty/*.tex $(DESTDIR)/$(TEXDOCDIR)
 endif
 ifneq ($(SYSTEM_TYPE),deb) # with debian, done with dh_install{doc,man}
 	install -d -m 0755 $(USER_GROUP) $(DESTDIR)/$(DOCDIR)