Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: 2fc0e060efc25a2b9dd24bfc5844bf18e33b999e
https://github.com/tianocore/edk2/commit/2fc0e060efc25a2b9dd24bfc5844bf18e33b999e
Author: kowsiks <[email protected]>
Date: 2026-07-17 (Fri, 17 Jul 2026)
Changed paths:
M BaseTools/Source/Python/AutoGen/IncludesAutoGen.py
Log Message:
-----------
BaseTools/build.py: Use full source file path for dependency generation
During Silent build,NMAKE suppresses the command echo entirely.
As a result, the only output in ProcOut is the
MSVC compiler’s output lines.
Without the command echo, there is no full path in the output to
identify which source file is currently being compiled.
For unique basenames this is not an issue, but for namesake files
(for example, AmdSev.c located in different directories),
it is impossible to determine which file’s includes are being listed.
This change improves dependency generation for MSVC builds by introducing
explicit handling for source files with duplicate basenames
(namesake sources). A new variable current_source_abs is added to
consistently track the resolved absolute path of the active source file
instead of repeatedly recomputing it from SourceFileAbsPathMap.
To correctly resolve namesake files in silent builds
(where compiler commands are not echoed), a namesake_queue is introduced,
which preserves source ordering and sequentially maps basename occurrences
to their corresponding full paths.
Additionally, a cc_cmd_in_output flag is implemented to detect the presence
of compiler command lines in the output stream; when present,
source paths are derived directly from command-line arguments, otherwise
the queue-based resolution is used. This ensures correct mapping of
basenames to absolute paths across the silent builds, fixing incorrect
dependency generation when multiple source files share the same name.
Signed-off-by: Kowsik S <[email protected]>
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