### Add extra directories to check for include files.
LYX_WITH_DIR([extra-inc],[extra include directory],extra_inc, NONE)
LYX_LOOP_DIR($lyx_cv_extra_inc,LYX_ADD_INC_DIR(lyx_cppflags,$dir))
-test ! x"$lyx_cppflags" = x && AM_CPPFLAGS="$lyx_cppflags $AM_CPPFLAGS"
+test ! x"$lyx_cppflags" = x && CPPFLAGS="$lyx_cppflags $CPPFLAGS"
### Add both includes and libraries
LYX_WITH_DIR([extra-prefix],[extra lib+include directory],extra_prefix, NONE, ${prefix})
LYX_LOOP_DIR($lyx_cv_extra_prefix,[
- LYX_ADD_INC_DIR(AM_CPPFLAGS,$dir/include)
+ LYX_ADD_INC_DIR(CPPFLAGS,$dir/include)
LYX_ADD_LIB_DIR(LDFLAGS,$dir/lib)
])