Temporary suppress all GCC wanings inside libdxfrw.

--HG--
branch : feature

src/libs/vdxf/warnings.pri

@@ -10,6 +10,17 @@ unix {
             QMAKE_CXXFLAGS += -Werror
         }
 
+        # -isystem key works only for headers. In some cases it's not enough. But we can't delete these warnings and
+        # want them in the global list. Compromise decision is to delete them from the local list.
+        QMAKE_CXXFLAGS -= \
+            -Weffc++ \
+            -Wconversion \
+            -Wold-style-cast \
+            -Wstack-protector \
+            -Wswitch-default \
+            -Wimplicit-fallthrough \
+            -Wfloat-equal
+
         noAddressSanitizer{ # For enable run qmake with CONFIG+=noAddressSanitizer
             # do nothing
         } else {