[libxml2] Streamline documentation installation

[Nick Wellnhofer <nwellnhof src gnome org>]

commit 207b10cfee765f69223ba30d8a512cbf08f03377
Author: Nick Wellnhofer <wellnhofer aevum de>
Date:   Sat Apr 2 16:39:44 2022 +0200

    Streamline documentation installation
    
    Use Automake variables to install and distribute files. Remove
    check-extra-dist.

 doc/Makefile.am | 50 +++++++++++---------------------------------------
 1 file changed, 11 insertions(+), 39 deletions(-)
---
diff --git a/doc/Makefile.am b/doc/Makefile.am
index cbb89bdc..366a5d06 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,23 +1,7 @@
 ## Process this file with automake to produce Makefile.in
 SUBDIRS = . devhelp examples
 
-EXTRA_DIST_wc = $(wildcard tutorial/*.html) \
-    $(wildcard tutorial/*.c) \
-    $(wildcard tutorial/images/*.png) \
-    $(wildcard tutorial/images/callouts/*.png) \
-    $(wildcard *.html) $(wildcard *.1) $(wildcard *.xsl) \
-    libxml2-api.xml \
-    apibuild.py xmllint.xml xmlcatalog_man.xml \
-    symbols.xml
-
-# Expanded form of EXTRA_DIST_wc
-#
-EXTRA_DIST = \
-       apibuild.py \
-       checkapisym.xsl \
-       libxml2-api.xml \
-       symbols.xml \
-       syms.xsl \
+nobase_dist_doc_DATA = \
        tutorial/apa.html \
        tutorial/apb.html \
        tutorial/apc.html \
@@ -67,15 +51,20 @@ EXTRA_DIST = \
        tutorial/includexpath.c \
        tutorial/index.html \
        tutorial/ix01.html \
-       xmlcatalog.1 \
        xmlcatalog_man.html \
+       xmllint.html
+
+dist_man_MANS = xmllint.1 xmlcatalog.1
+
+EXTRA_DIST = \
+       apibuild.py \
+       checkapisym.xsl \
+       libxml2-api.xml \
+       symbols.xml \
+       syms.xsl \
        xmlcatalog_man.xml \
-       xmllint.1 \
-       xmllint.html \
        xmllint.xml
 
-man_MANS = xmllint.1 xmlcatalog.1
-
 DOCBOOK_HTML = http://docbook.sourceforge.net/release/xsl/current/html/docbook.xsl
 
 rebuild:
@@ -91,21 +80,4 @@ rebuild:
        cd examples && $(MAKE) rebuild
        cd .. && $(MAKE) rebuild_testapi
 
-check-extra-dist:
-       for f in $(EXTRA_DIST_wc) ; do echo $$f; done | sort -u >tmp.EXTRA_DIST_wc
-       for f in $(EXTRA_DIST) ;    do echo $$f; done | sort    >tmp.EXTRA_DIST
-       diff -u tmp.EXTRA_DIST_wc tmp.EXTRA_DIST
-       rm -f tmp.EXTRA_DIST_wc tmp.EXTRA_DIST
-
-install-data-local: 
-       $(MKDIR_P) $(DESTDIR)$(docdir)/tutorial
-       -$(INSTALL) -m 0644 $(srcdir)/tutorial/*.* \
-               $(DESTDIR)$(docdir)/tutorial
-       $(MKDIR_P) $(DESTDIR)$(docdir)/tutorial/images
-       -$(INSTALL) -m 0644 $(srcdir)/tutorial/images/*.* \
-               $(DESTDIR)$(docdir)/tutorial/images
-       $(MKDIR_P) $(DESTDIR)$(docdir)/tutorial/images/callouts
-       -$(INSTALL) -m 0644 $(srcdir)/tutorial/images/callouts/*.* \
-               $(DESTDIR)$(docdir)/tutorial/images/callouts
-
 .PHONY: rebuild