Link CEF files into webview sample build directory under Unix

Ensure that the sample can run using wxWebViewChromium backend out of
the box by setting things up so that it can find the CEF files. Note
that we use symlinks instead of actually copying these files, to avoid
wasting so much disk space (CEF libraries take more than 1GiB).

configure

@@ -755,6 +755,7 @@ COND_PLATFORM_WIN32_1
 COND_PLATFORM_WIN32_0_TOOLKIT_GTK_TOOLKIT_VERSION_4
 COND_PLATFORM_WIN32_0_TOOLKIT_GTK_TOOLKIT_VERSION_3
 COND_PLATFORM_WIN32_0
+COND_PLATFORM_UNIX_1_USE_WEBVIEW_CHROMIUM_1
 COND_PLATFORM_UNIX_1_USE_PLUGINS_0
 COND_PLATFORM_UNIX_1_USE_GUI_1
 COND_PLATFORM_UNIX_1_TOOLKIT_QT_USE_GUI_1_WXUNIV_0
@@ -42820,6 +42821,11 @@ EOF
         COND_PLATFORM_UNIX_1_USE_PLUGINS_0=""
     fi
 
+    COND_PLATFORM_UNIX_1_USE_WEBVIEW_CHROMIUM_1="#"
+    if test "x$PLATFORM_UNIX" = "x1" -a "x$USE_WEBVIEW_CHROMIUM" = "x1" ; then
+        COND_PLATFORM_UNIX_1_USE_WEBVIEW_CHROMIUM_1=""
+    fi
+
     COND_PLATFORM_WIN32_0="#"
     if test "x$PLATFORM_WIN32" = "x0" ; then
         COND_PLATFORM_WIN32_0=""

samples/webview/Makefile.in

@@ -123,6 +123,8 @@ COND_MONOLITHIC_0___WXLIB_BASE_p = \
 @COND_MONOLITHIC_0@__WXLIB_BASE_p = $(COND_MONOLITHIC_0___WXLIB_BASE_p)
 @COND_PLATFORM_MACOSX_1_USE_WEBVIEW_CHROMIUM_1@__package___depname \
 @COND_PLATFORM_MACOSX_1_USE_WEBVIEW_CHROMIUM_1@	= package
+@COND_PLATFORM_UNIX_1_USE_WEBVIEW_CHROMIUM_1@__copy_cef_files___depname \
+@COND_PLATFORM_UNIX_1_USE_WEBVIEW_CHROMIUM_1@	= copy_cef_files
 COND_MONOLITHIC_1___WXLIB_MONO_p = \
 	-lwx_$(PORTNAME)$(WXUNIVNAME)u$(WXDEBUGFLAG)$(WX_LIB_FLAVOUR)-$(WX_RELEASE)$(HOST_SUFFIX)
 @COND_MONOLITHIC_1@__WXLIB_MONO_p = $(COND_MONOLITHIC_1___WXLIB_MONO_p)
@@ -155,7 +157,7 @@ COND_MONOLITHIC_1___WXLIB_MONO_p = \
 
 ### Targets: ###
 
-all: webview$(EXEEXT) $(__webview_bundle___depname) $(__package___depname) data $(__webview_helper___depname) $(__fix_cef_link___depname)
+all: webview$(EXEEXT) $(__webview_bundle___depname) $(__package___depname) $(__copy_cef_files___depname) data $(__webview_helper___depname) $(__fix_cef_link___depname)
 
 install: 
 
@@ -223,6 +225,9 @@ webview$(EXEEXT): $(WEBVIEW_OBJECTS) $(__webview___win32rc)
 @COND_PLATFORM_MACOSX_1_USE_WEBVIEW_CHROMIUM_1@	cp -Rf webview_helper.app/Contents/Resources "$$helper_contents"; \
 @COND_PLATFORM_MACOSX_1_USE_WEBVIEW_CHROMIUM_1@	done
 
+@COND_PLATFORM_UNIX_1_USE_WEBVIEW_CHROMIUM_1@copy_cef_files: webview$(EXEEXT)
+@COND_PLATFORM_UNIX_1_USE_WEBVIEW_CHROMIUM_1@	@for f in $(top_srcdir)//3rdparty/cef/Release/* $(top_srcdir)//3rdparty/cef/Resources/*; do [ -e $$f ] || ln -s $$f .; done
+
 data: 
 	@mkdir -p .
 	@for f in handler_advanced.html; do \

samples/webview/webview.bkl

@@ -45,6 +45,21 @@
                 done
             </command>
         </add-target>
+
+        <!--
+            Under Unix we don't need to build a separate helper, but we still
+            need to copy (or link, so save some space, as these files are huge)
+            all the required files to the sample directory.
+        -->
+        <add-target target="copy_cef_files" type="action"
+            cond="FORMAT=='autoconf' and PLATFORM_UNIX=='1' and USE_WEBVIEW_CHROMIUM=='1'">
+            <depends>webview</depends>
+            <dependency-of>all</dependency-of>
+            <command>
+                @for f in $(CEF_DIR)/Release/* $(CEF_DIR)/Resources/*; do [ -e $$f ] || ln -s $$f .; done
+            </command>
+        </add-target>
+
     </exe>
 
     <wx-data id="data">