This issue happens when using Structured PCD.
Build tool use set to store the cflags for compile PcdValueInit.c,
that is the order of cflags is disorder.
This patch make -U, /U flags appear before -D, /D
Cc: Liming Gao <liming.gao@intel.com>
Signed-off-by: Bob Feng <bob.c.feng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
1d06b46cf1