[Buildroot] [PATCH v2] libgtk2: skip tutorial and faq build

[justin.swartz at nym.hush.com]

Fixes: http://article.gmane.org/gmane.comp.lib.uclibc.buildroot/65165

Credit to Yann E. MORIN for discovering and describing a fix for the
HAVE_DOCBOOK bug in "configure.ac", as well as the
"--disable-gtk-doc-pdf" and "--disable-gtk-doc-html" additions to
LIBGTK2_CONF_OPTS.

Signed-off-by: Justin Swartz <justin.swartz at nym.hush.com>

---
Changes v1 -> v2:
  - Commit log added to the head of "0002-configure-have_docbook.patch"
  - Moved "--disable-gtk-doc-pdf" and "--disable-gtk-doc-html" to the
    end of LIBGTK2_CONF_OPTS
---
 package/libgtk2/0002-configure-have_docbook.patch | 15 +++++++++++++++
 package/libgtk2/libgtk2.mk                        |  9 +++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)
 create mode 100644 package/libgtk2/0002-configure-have_docbook.patch

diff --git a/package/libgtk2/0002-configure-have_docbook.patch b/package/libgtk2/0002-configure-have_docbook.patch
new file mode 100644
index 0000000..aece8f1
--- /dev/null
+++ b/package/libgtk2/0002-configure-have_docbook.patch
@@ -0,0 +1,15 @@
+Improvement of the HAVE_DOCBOOK test criteria.
+
+Signed-off-by: Justin Swartz <justin.swartz at nym.hush.com>
+
+--- libgtk2-2.24.18/configure.ac.orig	2015-02-24 00:28:18.128745222 +0200
++++ libgtk2-2.24.18/configure.ac	2015-02-24 00:29:10.739087501 +0200
+@@ -1612,7 +1612,7 @@
+ GTK_DOC_CHECK([1.11])
+ 
+ AC_CHECK_PROG(DB2HTML, db2html, true, false)
+-AM_CONDITIONAL(HAVE_DOCBOOK, $DB2HTML)
++AM_CONDITIONAL([HAVE_DOCBOOK], [test ! "$DB2HTML" = "no"])
+ 
+ AC_ARG_ENABLE(man,
+               [AC_HELP_STRING([--enable-man],
diff --git a/package/libgtk2/libgtk2.mk b/package/libgtk2/libgtk2.mk
index dfc1f5b..d468117 100644
--- a/package/libgtk2/libgtk2.mk
+++ b/package/libgtk2/libgtk2.mk
@@ -69,9 +69,14 @@ LIBGTK2_CONF_ENV = \
 	ac_cv_path_GTK_UPDATE_ICON_CACHE=$(HOST_DIR)/usr/bin/gtk-update-icon-cache \
 	ac_cv_path_GDK_PIXBUF_CSOURCE=$(HOST_DIR)/usr/bin/gdk-pixbuf-csource \
 	ac_cv_prog_F77=no \
-	ac_cv_path_CUPS_CONFIG=no
+	ac_cv_path_CUPS_CONFIG=no \
+	ac_cv_prog_DB2HTML=no
 
-LIBGTK2_CONF_OPTS = --disable-glibtest --enable-explicit-deps=no
+LIBGTK2_CONF_OPTS = \
+	--disable-glibtest \
+	--enable-explicit-deps=no \
+	--disable-gtk-doc-pdf \
+	--disable-gtk-doc-html
 
 LIBGTK2_DEPENDENCIES = host-pkgconf host-libgtk2 libglib2 cairo pango atk gdk-pixbuf
 
-- 
1.7.12.1