Fix #549 build doc error

Static libs are ignored for gtkdoc.
The trick here is to build both static and dynamic, use static in the same place as before and use dynamic for doc.
Also remove uneeded parts of declare_dependency in help/reference/shell/meson.build and add proper src_dir later.

Author: timp87

help/reference/shell/meson.build

@@ -8,9 +8,7 @@ version_xml = configure_file(
 )
 
 xreader_doc_deps = declare_dependency(
-    include_directories: [include_root, libdoc_include, libview_include, include_directories('.')],
-    link_with: [libdocument, libview],
-    dependencies: xreader_deps,
+    link_with: libshell.get_shared_lib(),
 )
 
 gnome.gtkdoc(
@@ -19,7 +17,8 @@ gnome.gtkdoc(
     main_xml: 'xreader-docs.xml',
     gobject_typesfile: files('xreader.types'),
     src_dir: [
-        join_paths(meson.source_root(), 'libview'),
+        join_paths(meson.source_root(), 'shell'),
+        join_paths(meson.source_root(), 'libmisc'),
     ],
     ignore_headers: [libview_private_headers],
     dependencies: xreader_doc_deps,

shell/meson.build

@@ -141,15 +141,15 @@ libshell_deps = [
     libephyzoom_dep,
 ]
 
-libshell = static_library(
+libshell = both_libraries(
     'shell',
     shell_sources,
     dependencies: libshell_deps,
     include_directories: include_dirs,
 )
 
 libshell_dep = declare_dependency(
-  link_whole: libshell,  # Need the whole lib for gresource lookup
+  link_whole: libshell.get_static_lib(),  # Need the whole lib for gresource lookup
   dependencies: libshell_deps,
   include_directories: include_dirs,
 )