sonnet: add PACKAGECONFIG for hunspell disabled by default

Came up when building with meta-office in layers. A patch moving hunspell to
meta-oe is pending.

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>

recipes-kde/kf5/tier1/sonnet/files/0003-make-build-of-hunspell-optional.patch

@@ -0,0 +1,43 @@
+From e0b2cd6d9a7339f5e73d4fe19a4a0ad07223f571 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@googlemail.com>
+Date: Fri, 29 Jan 2016 22:23:11 +0100
+Subject: [PATCH] make build of hunspell optional
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Finding hunspell is done by a taylored solution which does not seem to
+support disable.
+
+Upstream-Status: Inappropriate [configuration]
+
+Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
+---
+ src/plugins/CMakeLists.txt | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/plugins/CMakeLists.txt b/src/plugins/CMakeLists.txt
+index f275f63..dbad160 100644
+--- a/src/plugins/CMakeLists.txt
++++ b/src/plugins/CMakeLists.txt
+@@ -35,6 +35,9 @@ endif ()
+ #   add_subdirectory( enchant )
+ #endif ()
+ 
++option(BUILD_HUNSPELL "Build hunspell" OFF)
++
++if(BUILD_HUNSPELL)
+ find_package(HUNSPELL)
+ set_package_properties(HUNSPELL PROPERTIES
+     URL "http://hunspell.sourceforge.net/"
+@@ -44,6 +47,7 @@ set_package_properties(HUNSPELL PROPERTIES
+ if (HUNSPELL_FOUND)
+    add_subdirectory( hunspell )
+ endif ()
++endif ()
+ 
+ 
+ find_package(VOIKKO)
+-- 
+2.5.0
+

recipes-kde/kf5/tier1/sonnet/sonnet.bb

@@ -22,3 +22,6 @@ FILES_${PN}-dbg += " \
 CMAKE_ALIGN_SYSROOT[1] = "KF5Sonnet, -S${libdir}/lib, -S${STAGING_LIBDIR}/lib"
 CMAKE_ALIGN_SYSROOT[2] = "KF5Sonnet, -S${includedir}, -S${STAGING_INCDIR}"
 
+PACKAGECONFIG ??= ""
+PACKAGECONFIG[hunspell] = "-DBUILD_HUNSPELL=ON,-DBUILD_HUNSPELL=OFF, hunspell"
+

recipes-kde/kf5/tier1/sonnet/sonnet.inc

@@ -7,3 +7,4 @@ inherit kde-kf5
 PV = "${KF5_VERSION}"
 SRC_URI[md5sum] = "8fb3c2fac12e7c2671c3318f41bc4161"
 SRC_URI[sha256sum] = "6ffa49bab59dba0080c03a8b7863efd53006239350f634575b4aabe9f496009d"
+SRC_URI += "file://0003-make-build-of-hunspell-optional.patch"