-#
-# CPPFLAGS (gnu standard) is not C++ flags, but flags for the "cpp"
-# preprocessor. Unfortunately whoever wrote this now uses CPPFLAGS for
-# C++ like CFLAGS for C. :-(
-# We *must* include CPPFLAGS in both of these, to make sure that all
-# header files get found. (KB)
-
-CFLAGS = @TOOLKIT_DEF@ @WXDEBUG_DEFINE@ @CFLAGS@ @CPPFLAGS@
-CPPFLAGS = @TOOLKIT_DEF@ @WXDEBUG_DEFINE@ @CXXFLAGS@ @CPPFLAGS@
+CPPFLAGS = ${APPEXTRACPPFLAGS} @CPPFLAGS@ @TOOLKIT_DEF@ @WXDEBUG_DEFINE@
+CFLAGS = ${APPEXTRACFLAGS} ${CPPFLAGS} @CODE_GEN_FLAGS@ @CFLAGS@
+CXXFLAGS = ${APPEXTRACXXFLAGS} ${CPPFLAGS} \
+ @CODE_GEN_FLAGS@ @CODE_GEN_FLAGS_CXX@ @CXXFLAGS@