fltk: fix build error when enable package config examples

Backport patch to fix fltk build error when enable package config
'examples'. Drop the useless parts such as .gitignore and Makefile
from the patch.

fltk-native is also required by package config 'examples'.

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit bbecc5dfc4d6da8ff3b4606d7cd24eeb2df0a7bc)
Signed-off-by: Armin Kuster <akuster808@gmail.com>

2 files changed, 187 insertions, 2 deletions

diff --git a/meta-oe/recipes-support/fltk/fltk.bb b/meta-oe/recipes-support/fltk/fltk.bb
index ec9e04bed..0f30acc3a 100644
--- a/meta-oe/recipes-support/fltk/fltk.bb
+++ b/meta-oe/recipes-support/fltk/fltk.bb
@@ -5,7 +5,10 @@ DEPENDS = "alsa-lib zlib jpeg libpng libxext libxft"
 inherit distro_features_check binconfig lib_package gtk-icon-cache mime
 REQUIRED_DISTRO_FEATURES = "x11"
 
-SRC_URI += "file://0003-CMake-build-Force-shared-libs-with-unsuffixed-names.patch"
+SRC_URI += " \
+    file://0003-CMake-build-Force-shared-libs-with-unsuffixed-names.patch \
+    file://0004-Fix-build-error-when-enable-package-config-examples.patch \
+"
 
 EXTRA_OECMAKE = " \
     -DOPTION_BUILD_SHARED_LIBS=ON \
@@ -17,7 +20,7 @@ EXTRA_OECMAKE = " \
 
 PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'opengl', d)}"
 
-PACKAGECONFIG[examples] = "-DOPTION_BUILD_EXAMPLES=ON,-DOPTION_BUILD_EXAMPLES=OFF,"
+PACKAGECONFIG[examples] = "-DOPTION_BUILD_EXAMPLES=ON,-DOPTION_BUILD_EXAMPLES=OFF,fltk-native"
 PACKAGECONFIG[cairo] = "-DOPTION_CAIRO=ON,-DOPTION_CAIRO=OFF,cairo"
 PACKAGECONFIG[opengl] = "-DOPTION_USE_GL=ON,-DOPTION_USE_GL=OFF,virtual/libgl"
 PACKAGECONFIG[xinerama] = "-DOPTION_USE_XINERAMA=ON,-DOPTION_USE_XINERAMA=OFF,libxinerama"
diff --git a/meta-oe/recipes-support/fltk/fltk/0004-Fix-build-error-when-enable-package-config-examples.patch b/meta-oe/recipes-support/fltk/fltk/0004-Fix-build-error-when-enable-package-config-examples.patch
new file mode 100644
index 000000000..974c02fe6
--- /dev/null
+++ b/meta-oe/recipes-support/fltk/fltk/0004-Fix-build-error-when-enable-package-config-examples.patch
@@ -0,0 +1,182 @@
+Fix build error when enable package config examples.
+
+Upstream-Status: Backport [https://github.com/fltk/fltk/commit/16774dd]
+
+Signed-off-by: Kai Kang <kai.kang@windriver.com>
+
+
+From 16774ddc4e000c89e560fde0ced8be9814ef041e Mon Sep 17 00:00:00 2001
+From: Albrecht Schlosser <albrechts.fltk@online.de>
+Date: Wed, 8 Feb 2017 02:06:52 +0000
+Subject: [PATCH] Rename test/help demo program to test/help_dialog.
+
+This change avoids a name conflict with CMake's auto-generated target 'help'
+for "Unix Makefiles", "Ninja", and supposedly other generators as well.
+
+
+git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12171 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
+---
+ CMake/macros.cmake                        |  5 -----
+ documentation/src/examples.dox            |  8 +++----
+ test/CMakeLists.txt                       | 27 +++++++++++++++++++----
+ test/demo.menu                            |  2 +-
+ test/{help.cxx => help_dialog.cxx}        |  6 ++---
+ test/{help-test.html => help_dialog.html} |  0
+ 6 files changed, 31 insertions(+), 17 deletions(-)
+ rename test/{help.cxx => help_dialog.cxx} (88%)
+ rename test/{help-test.html => help_dialog.html} (100%)
+
+diff --git a/CMake/macros.cmake b/CMake/macros.cmake
+index 5b0d0fa..7134fcb 100644
+--- a/CMake/macros.cmake
++++ b/CMake/macros.cmake
+@@ -90,11 +90,6 @@ function(CREATE_EXAMPLE NAME SOURCES LIBRARIES)
+ 
+     set (tname ${NAME})                # target name
+ 
+-    # rename reserved target name "help" (CMake 2.8.12 and later)
+-    if (${tname} MATCHES "^help$")
+-        set (tname "test_help")
+-    endif (${tname} MATCHES "^help$")
+-
+     foreach(src ${SOURCES})
+         if ("${src}" MATCHES "\\.fl$")
+             list(APPEND flsrcs ${src})
+diff --git a/documentation/src/examples.dox b/documentation/src/examples.dox
+index 5105b7b..7961b02 100644
+--- a/documentation/src/examples.dox
++++ b/documentation/src/examples.dox
+@@ -60,7 +60,7 @@ you build FLTK, unlike those in the 'test' directory shown below.
+ </tr>
+ <tr>
+ <td> \ref examples_hello           </td>
+-<td> \ref examples_help            </td>
++<td> \ref examples_help_dialog     </td>
+ <td> \ref examples_iconize         </td>
+ <td> \ref examples_image           </td>
+ <td> \ref examples_inactive        </td>
+@@ -326,13 +326,13 @@ easily under FLTK.
+ tiny demo shows how little is needed to get a functioning application
+ running with FLTK. Quite impressive, I'd say.
+ 
+-\subsection examples_help help
++\subsection examples_help_dialog help_dialog
+ 
+ \par
+-\c help displays the built-in FLTK help browser. The 
++\c help_dialog displays the built-in FLTK help browser. The
+ Fl_Help_Dialog understands a subset of html and renders
+ various image formats. This widget makes it easy to provide help
+-pages to the user without depending on the operating system's 
++pages to the user without depending on the operating system's
+ html browser.
+ 
+ \subsection examples_iconize iconize
+diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
+index 22ec9ab..4caffa5 100644
+--- a/test/CMakeLists.txt
++++ b/test/CMakeLists.txt
+@@ -1,3 +1,22 @@
++#
++# "$Id$"
++#
++# CMakeLists.txt used to build test and demo apps by the CMake build system
++#
++# Copyright 2004-2017 by Bill Spitzak and others.
++#
++# This library is free software. Distribution and use rights are outlined in
++# the file "COPYING" which should have been included with this file.  If this
++# file is missing or damaged, see the license at:
++#
++#     http://www.fltk.org/COPYING.php
++#
++# Please report all bugs and problems on the following page:
++#
++#     http://www.fltk.org/str.php
++#
++#######################################################################
++
+ set(EXECUTABLE_OUTPUT_PATH ${FLTK_BINARY_DIR}/bin/examples)
+ 
+ #######################################################################
+@@ -64,7 +83,7 @@ CREATE_EXAMPLE(file_chooser file_chooser.cxx "fltk;fltk_images")
+ CREATE_EXAMPLE(fonts fonts.cxx fltk)
+ CREATE_EXAMPLE(forms forms.cxx "fltk;fltk_forms")
+ CREATE_EXAMPLE(hello hello.cxx fltk)
+-CREATE_EXAMPLE(help help.cxx "fltk;fltk_images")
++CREATE_EXAMPLE(help_dialog help_dialog.cxx "fltk;fltk_images")
+ CREATE_EXAMPLE(icon icon.cxx fltk)
+ CREATE_EXAMPLE(iconize iconize.cxx fltk)
+ CREATE_EXAMPLE(image image.cxx fltk)
+@@ -134,7 +153,7 @@ endif(FLTK_HAVE_CAIRO)
+ # Note: this is incomplete as of 11 Feb 2015
+ # Todo: currently all files are copied, but some of them need configuration:
+ # - demo.menu: fluid can't be started (wrong path)
+-# - demo.menu: help (help-test.html) can't find its images (not copied)
++# - demo.menu: help_dialog (help_dialog.html) can't find its images (not copied)
+ # - maybe more ...
+ 
+ # prepare for a "better" test file installation path
+@@ -149,11 +168,11 @@ configure_file(demo.menu ${TESTFILE_PATH}/demo.menu COPYONLY)
+ 
+ # use target directory only to avoid redundancy
+ configure_file(rgb.txt ${TESTFILE_PATH} COPYONLY)
+-configure_file(help-test.html ${TESTFILE_PATH} COPYONLY)
++configure_file(help_dialog.html ${TESTFILE_PATH} COPYONLY)
+ configure_file(browser.cxx ${TESTFILE_PATH} COPYONLY)
+ configure_file(editor.cxx ${TESTFILE_PATH} COPYONLY)
+ if(APPLE AND NOT OPTION_APPLE_X11)
+     configure_file(browser.cxx "${TESTFILE_PATH}/browser.app/Contents/Resources/browser.cxx" COPYONLY)
+     configure_file(rgb.txt ${TESTFILE_PATH}/colbrowser.app/Contents/Resources/rgb.txt COPYONLY)
+-    configure_file(help-test.html ${TESTFILE_PATH}/help.app/Contents/Resources/help-test.html COPYONLY)
++    configure_file(help_dialog.html ${TESTFILE_PATH}/help_dialog.app/Contents/Resources/help_dialog.html COPYONLY)
+ endif(APPLE AND NOT OPTION_APPLE_X11)
+diff --git a/test/demo.menu b/test/demo.menu
+index 337a71c..97e522a 100644
+--- a/test/demo.menu
++++ b/test/demo.menu
+@@ -77,7 +77,7 @@
+        @o:Font Tests...:@of
+                @of:Fonts:fonts
+                @of:UTF-8:utf8
+-       @o:HelpDialog:help
++       @o:HelpDialog:help_dialog
+        @o:Input Choice:input_choice
+        @o:Preferences:preferences
+        @o:Threading:threads
+diff --git a/test/help.cxx b/test/help_dialog.cxx
+similarity index 88%
+rename from test/help.cxx
+rename to test/help_dialog.cxx
+index f5c51d6..7866641 100644
+--- a/test/help.cxx
++++ b/test/help_dialog.cxx
+@@ -3,7 +3,7 @@
+ //
+ // Fl_Help_Dialog test program.
+ //
+-// Copyright 1999-2010 by Easy Software Products.
++// Copyright 2011-2017 by Bill Spitzak and others.
+ //
+ // This library is free software. Distribution and use rights are outlined in
+ // the file "COPYING" which should have been included with this file.  If this
+@@ -46,13 +46,13 @@ main(int  argc,                     // I - Number of command-line arguments
+     strcpy(buf, argv[0]);
+     char *slash = strrchr(buf, '/');
+     if (slash)
+-      strcpy(slash, "/../Resources/help-test.html");
++      strcpy(slash, "/../Resources/help_dialog.html");
+     help->load(buf);
+   
+ #else
+   
+   if (argc <= 1)
+-    help->load("help-test.html");
++    help->load("help_dialog.html");
+   else
+     help->load(argv[1]);
+   
+diff --git a/test/help-test.html b/test/help_dialog.html
+similarity index 100%
+rename from test/help-test.html
+rename to test/help_dialog.html