Fixed reference docs make problems:

- Docs did not compile invoking top level make when enabled in configure.

- Docs did not compile in references directory with make all.

- Docs used the old substitution variables.

Makefile.am

@@ -7,8 +7,14 @@ endif
 if PHP_ENABLED
     PHP_SD = php
 endif
+if GTK_DOC_ENABLED
+    GTK_DOC_SD = docs
+endif
 
-SUBDIRS		= lasso docs $(PHP_SD) $(PYTHON_SD) $(JAVA_SD) tests
+SUBDIRS		= lasso \
+		  $(PHP_SD) $(PYTHON_SD) $(JAVA_SD) \
+		  tests \
+		  $(GTK_DOC_SD)
 
 ABS_BUILDDIR	= $(shell pwd)
 

configure.ac

@@ -421,6 +421,10 @@ if test "x$enable_gtk_doc" = "xyes" ; then
     PKG_CHECK_MODULES(GTK_DOC, gtk-doc >= $GTK_DOC_MIN_VERSION, enable_gtk_doc="yes",
                       enable_gtk_doc="no")
 fi
+dnl Conditional docs sub dir test.
+AM_CONDITIONAL([GTK_DOC_ENABLED],[test "x$enable_gtk_doc" = "xyes"])
+AC_MSG_RESULT($enable_gtk_doc)
+
 
 dnl ==========================================================================
 dnl check do we have size_t and its size, 

docs/reference/Makefile.am

@@ -24,7 +24,7 @@ DOC_SOURCE_FILES=\
 	$(shell find $(INCLUDE_DIR) -name '*.h' -print )
 
 # do nothing for all
-all:
+all: docs
 
 docs: sgml html clean-sources
 
@@ -66,17 +66,11 @@ templates: scan
 
 # CFLAGS and LDFLAGS for compiling scan program.
 GTKDOC_CFLAGS = 		\
-	@CFLAGS@		\
-	@GLIB_CFLAGS@ 		\
-	@LIBXML_CFLAGS@ 	\
-	@XMLSEC1_CFLAGS@ 	\
+	$(LASSO_CFLAGS) 	\
 	-I$(top_srcdir)
 
-GTKDOC_LIBS = 				\
-	@LIBS@				\
-	@GLIB_LIBS@ -lgobject-2.0 	\
-	@LIBXML_LIBS@ 			\
-	@XMLSEC1_LIBS@ 			\
+GTKDOC_LIBS = 	\
+	$(LASSO_LIBS) \
 	-L$(top_srcdir)/lasso -llasso
 
 GTKDOC_CC=$(LIBTOOL) --mode=compile $(CC)