Add --depfile flag to inputs and multi-inputs tools.
#2626
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Hi, I wonder if this loads dependencies from the DynDep file? |
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No, the code only loads inputs from the deps log, so For dyndep files, the changes to the graph that they involve are a bit more aggressive, and I admit I am not sure at this point that the current collection algorithm would be correct when they are loaded. So probably better left for another PR. |
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This forces the load of depfile entries from either the Ninja log or explicit depfiles to be performed when visiting the graph, thus making them visible in the result. - graph.h, graph.cc: Add optional ImplicitDepLoader* argument to InputsCollector constructor, and if provided, use it to load deps during the visit if needed. - ninja.cc: Modify `inputs` and `multi-inputs` implementation to support a new `--depfile` flag, and create an ImplicitDepLoader instance when it is used to initialize the InputsCollector instances. - output_test.py: Add regression tests + fix minor typing issues. Fixes ninja-build#2618
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| if (!implicit_dep_loader_->LoadDeps(edge, &err)) { | ||
| // Print the error as a warning on stderr when an error occurred during | ||
| // the load. | ||
| Warning("%s", err.c_str()); |
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FYI I tried out this branch just now and got the following output on ninja itself:
(-zsh@hephaestus.local) ~/src/ninja (detached HEAD)
; ./ninja -t inputs --depfile
ninja: warning:
...
ninja: warning:
ninja: warning:
ninja: warning:
ninja: warning:
build/browse.o
Probably there is a bug here somewhere? I would at least expect err to be non-empty.
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I also don't see it including any of the depfile inputs, which may or may not be related.
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This forces the load of depfile entries from either the Ninja log or explicit depfiles to be performed when visiting the graph, thus making them visible in the result.
graph.h, graph.cc: Add optional ImplicitDepLoader* argument to InputsCollector constructor, and if provided, use it to load deps during the visit if needed.
ninja.cc: Modify
inputsandmulti-inputsimplementation to support a new--depfileor-Dflag, and create an ImplicitDepLoader instance when it is used to initialize the InputsCollector instances.NOTE: Using std::make_unique<> fails on our MacOS CI builder, which still uses -std=gnu+11 for some unknown reason, so this uses
std::unique_ptr<T>::reset(new T(...))instead :-/output_test.py: Add regression tests + fix minor typing issues.
Fixes #2618