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Precompiled Header
Offline
andredz
over 7 years ago
Note: This was originally posted on 8th June 2010 at http://forums.arm.com
Problem:
I've been trying to utilize precompiled header option, but with no luck. Even after installing patch 771 for RVCT 4.0.
Here what I'm trying to do.
Assume I have 3 source files and 1 header:
0. /myproject/inc/aaa.h
-----------------------------------
// a bunch of definitions
1. /myproject/src/AAA.c (created this file to include only the header file and compiled with --create_pch=AAA.pch)
------------------------------
#include "aaa.h" // this is a very large file
//eof
2. /myproject/src/File1.c (compiled with --use_pch=AAA.pch)
---------------------------------
#include "aaa.h"
// some codes
3. /myproject/differentsrc/File2.c (compiled with --use_pch==AAA.pch)
---------------------------------
#include "aaa.h"
// some codes
So the problem:
File1.c is using AAA.pch and compiled in a snap without any problem.
But File2.c can't use AAA.pch and does a regular compile (long compile). It gives warning:
"no source": Warning: #629-D: the command line options do not match those used when precompiled header file "AAA.pch" was created
Questions:
- Is this a limitation for the precompiled header option? Files must be in the same directory.
- Are there any other options on how to solve this?
Thank you,
-a
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