ghc -M doesn't handle addDependentFile or #included files
ghc -M doesn't emit dependencies specified by TH's addDependentFile
, not does it emit dependencies for #include
d files.
The former is quite hard to do, because it requires compiling the code: we only have the information about addDependentFile
calls after compilation. So in order to fix this, ghc -c
would have to drop some information somewhere for the build system to pick up.
In theory we should only have to preprocess files to get the list of #included files, and ghc -M already preprocesses all the files. However, currently #included files are picked up by the lexer during parsing, so fixing this isn't trivial.
Trac metadata
Trac field | Value |
---|---|
Version | 7.6.3 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |