Mike,
When duplicate statements appear some sections, only the last statement in the
section is used. I think you are seeing that behavior in your example.
In order to get all 3 flags appended, you need to do that in a single statement
in the section. If you want to conditionally append DEBUG2 as shown in your
example, you might consider the following:
!ifdef $(S2)
MSFT:*_*_*_CC_FLAGS = /D DEBUG1 /D DEBUG2 /D DEBUG3
!else
MSFT:*_*_*_CC_FLAGS = /D DEBUG1 /D DEBUG3
!endif
Mike
From: Lee mike [mailto:[email protected]]
Sent: Monday, May 06, 2013 6:29 AM
To: Andrew Fish
Cc: [email protected]
Subject: Re: [edk2-buildtools] Re-define element in [BuildOptions]
Hi Andrew,
Sorry for my unclear statement. I am seeing a way to append definitions in the
same section so that when I write
[BuildOptions]
MSFT:*_*_*_CC_FLAGS = /D DEBUG1
MSFT:*_*_*_CC_FLAGS = /D DEBUG2
MSFT:*_*_*_CC_FLAGS = /D DEBUG3
I need it to behave as
MSFT:*_*_*_CC_FLAGS = /D DEBUG1 /D DEBUG2 /D DEBUG3
But I found it uses the last one only, which means it treats my code as
MSFT:*_*_*_CC_FLAGS = /D DEBUG3
My environment is Windows7/VS2008, building edk2/OvmfPkgX64 from
https://github.com/tianocore/edk2.git
(git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14323)
Thanks.
BR,
Mike
2013/5/6 Andrew Fish <[email protected]<mailto:[email protected]>>
Andrew Fish
On May 4, 2013, at 11:18 PM, Lee mike
<[email protected]<mailto:[email protected]>> wrote:
> Hi,
>
> I wrote code to .dsc as below:
>
> [BuildOptions]
> MSFT:*_*_*_CC_FLAGS = /D DEBUG1
> MSFT:*_*_*_CC_FLAGS = /D DEBUG2
> MSFT:*_*_*_CC_FLAGS = /D DEBUG3
>
> The output makefile shows that build.exe (or something else in BaseTools)
> emits DEBUG3 only.
> CC_FLAGS = /nologo /FAcs /c /WX /GS- /W4 /Gs32768 /Gy /D UNICODE /O1ib2 /GL
> /FIAutoGen.h /EHs-c- /GR- /GF /Zi /Gm /D DEBUG3
>
> Invoking build.exe with '-D S2' to the following code will certainly not
> generate DEBUG2 too.
> [BuildOptions]
> MSFT:*_*_*_CC_FLAGS = /D DEBUG1
> !ifdef $(S2)
> MSFT:*_*_*_CC_FLAGS = /D DEBUG2
> !endif
> MSFT:*_*_*_CC_FLAGS = /D DEBUG3
>
> Any advice?
>
The spec for the DSC file states:
Two types of assignment operators are permitted, the single equal "=" sign is
used to append the string to the existing definition, while the double equal
"==" sign is used to override any previous definition, replacing the content
with just the string.
So it sounds like you are seeing == behavior? What happens when you use ==?
Thanks,
Andrew Fish
>
> BR,
> Mike
>
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