[gconf] build: Add --disable-documentation configure option

[Colin Walters <walters src gnome org>]

commit 8a9c168c8b9f58cfcfdb021e45fb5a16674a3969
Author: Colin Walters <walters verbum org>
Date:   Sat Jan 14 22:08:48 2012 -0500

    build: Add --disable-documentation configure option
    
    Documentation is the source of many cyclical build loops.  Allow
    operating system builders to manually cut these cycles initially
    by disabling documentation for a first pass.

 configure.in          |    5 +++++
 gsettings/Makefile.am |    6 +++++-
 2 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/configure.in b/configure.in
index 9dad036..93253a4 100644
--- a/configure.in
+++ b/configure.in
@@ -139,6 +139,11 @@ fi
 
 GTK_DOC_CHECK([1.0])
 
+AC_ARG_ENABLE([documentation],
+	AS_HELP_STRING([--enable-documentation], [enable documentation generated via XSLT]),
+	[], [enable_documentation=yes])
+AM_CONDITIONAL(ENABLE_DOCUMENTATION, test x$enable_documentation = xyes)
+
 AC_MSG_CHECKING([which gtk+ version to compile against])
 AC_ARG_WITH([gtk],
   [AS_HELP_STRING([--with-gtk=2.0|3.0],[which gtk+ version to compile against (default: 3.0)])],
diff --git a/gsettings/Makefile.am b/gsettings/Makefile.am
index 83eb74a..8bc9321 100644
--- a/gsettings/Makefile.am
+++ b/gsettings/Makefile.am
@@ -42,10 +42,14 @@ autostartdir = $(sysconfdir)/xdg/autostart
 autostart_in_files = gsettings-data-convert.desktop.in
 autostart_DATA = $(autostart_in_files:.desktop.in=.desktop)
 
-man_MANS =                       \
+man_MANS =
+
+if ENABLE_DOCUMENTATION
+man_MANS +=			\
 	gsettings-schema-convert.1 \
 	gsettings-data-convert.1 \
 	$(NULL)
+endif
 
 %.1 : %.xml
 	xsltproc -nonet http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl $<