[gsound] docs: Add automatic version numbering for documentation

[Tristan Brindle <tbrindle src gnome org>]

commit 2ad4c74537f3e36eab3d934bacd3b1c02d29515b
Author: Tristan Brindle <t c brindle gmail com>
Date:   Mon Dec 1 15:21:50 2014 +0800

    docs: Add automatic version numbering for documentation
    
    Because I'm bound to forget to update it at some point otherwise

 configure.ac          |    1 +
 docs/Makefile.am      |    5 ++---
 docs/gsound-docs.sgml |    3 ++-
 docs/version.xml.in   |    1 +
 4 files changed, 6 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index d2b73a1..8b2a1f1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -54,6 +54,7 @@ VAPIGEN_CHECK($VALA_REQUIRED)
 AC_OUTPUT([
 Makefile
 docs/Makefile
+docs/version.xml
 tools/Makefile
 gsound/gsound.pc
 gsound/Makefile
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 35f06d2..22e2e17 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -89,9 +89,8 @@ include $(top_srcdir)/gtk-doc.make
 
 # Other files to distribute
 # e.g. EXTRA_DIST += version.xml.in
-#EXTRA_DIST += \
-#      version.xml.in \
-#      version-major.xml.in
+EXTRA_DIST += \
+       version.xml.in
 
 # Files not to distribute
 # for --rebuild-types in $(SCAN_OPTIONS), e.g. $(DOC_MODULE).types
diff --git a/docs/gsound-docs.sgml b/docs/gsound-docs.sgml
index 768681f..2746a5c 100644
--- a/docs/gsound-docs.sgml
+++ b/docs/gsound-docs.sgml
@@ -3,12 +3,13 @@
                "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd";
 [
   <!ENTITY % local.common.attrib "xmlns:xi  CDATA  #FIXED 'http://www.w3.org/2003/XInclude'">
+  <!ENTITY version SYSTEM "version.xml">
 ]>
 <book id="index">
   <bookinfo>
     <title>GSound Reference Manual</title>
     <releaseinfo>
-      for gsound 1.0.
+      for gsound &version;.
       The latest version of this documentation can be found on-line at
       <ulink role="online-location" url="https://developer.gnome.org/gsound/stable/index.html";>
         https://developer.gnome.org/gsound/stable/index.html
diff --git a/docs/version.xml.in b/docs/version.xml.in
new file mode 100644
index 0000000..d78bda9
--- /dev/null
+++ b/docs/version.xml.in
@@ -0,0 +1 @@
+ VERSION@