Add a patch to add also CFLAGS into gtkdoc-scangobj call

evolution-3.33.90-cflags-to-gtkdoc-scangobj.patch

@@ -0,0 +1,12 @@
+diff --git a/cmake/modules/GtkDoc.cmake b/cmake/modules/GtkDoc.cmake
+index 0ba1a7a78..2dfc4d691 100644
+--- a/cmake/modules/GtkDoc.cmake
++++ b/cmake/modules/GtkDoc.cmake
+@@ -98,6 +98,7 @@ macro(add_gtkdoc _module _namespace _deprecated_guards _srcdirsvar _depsvar _ign
+ 
+ 	# Add it as the last, thus in-tree headers have precedence
+ 	list(APPEND _scangobj_cflags_list -I${INCLUDE_INSTALL_DIR})
++	list(APPEND _scangobj_cflags_list ${CMAKE_C_FLAGS})
+ 
+ 	if(_scangobj_deps)
+ 		list(REMOVE_DUPLICATES _scangobj_deps)

evolution.spec

@@ -44,7 +44,7 @@ Source: http://download.gnome.org/sources/%{name}/3.33/%{name}-%{version}.tar.xz
 Source1: flatpak-evolution-fix-service-names.sh
 Source2: flatpak-evolution-wrapper.sh.in
 
-### Patches ###
+Patch01: evolution-3.33.90-cflags-to-gtkdoc-scangobj.patch
 
 Obsoletes: anjal <= %{last_anjal_version}
 Obsoletes: libgal2 <= %{last_libgal2_version}
@@ -228,6 +228,8 @@ the functionality of the installed %{name} package.
 %prep
 %setup -q -n %{name}-%{version}
 
+%patch01 -p1 -b .cflags-to-gtkdoc-scangobj
+
 # Remove the welcome email from Novell
 for inbox in src/mail/default/*/Inbox; do
   echo -n "" > $inbox