On 08/16/13 06:41, Hamel, Lee M wrote:
> I have a DEBUG macro call DEBUG((DEBUG_INFO, ........
>
> In a DEBUG build, the string appears in the serial console, while in
> RELEASE build it does not.
>
> Does anyone know why this is the case?
Well at least in case of OVMF, the OvmfPkg/OvmfPkgX64.dsc file says:
[BuildOptions]
...
GCC:RELEASE_*_*_CC_FLAGS = -DMDEPKG_NDEBUG
INTEL:RELEASE_*_*_CC_FLAGS = /D MDEPKG_NDEBUG
MSFT:RELEASE_*_*_CC_FLAGS = /D MDEPKG_NDEBUG
And the DEBUG() macro's definition in
"MdePkg/Include/Library/DebugLib.h" depends on MDEPKG_NDEBUG:
/**
Macro that calls DebugPrint().
If MDEPKG_NDEBUG is not defined and the DEBUG_PROPERTY_DEBUG_PRINT_ENABLED
bit of PcdDebugProperyMask is set, then this macro passes Expression to
DebugPrint().
@param Expression Expression containing an error level, a format string,
and a variable argument list based on the format string.
**/
#if !defined(MDEPKG_NDEBUG)
#define DEBUG(Expression) \
do { \
if (DebugPrintEnabled ()) { \
_DEBUG (Expression); \
} \
} while (FALSE)
#else
#define DEBUG(Expression)
#endif
Laszlo
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