[cfe-users] Writing gcc-style dependency files with clang-cl
David Blaikie via cfe-users
cfe-users at lists.llvm.org
Mon Mar 12 08:15:30 PDT 2018
+Reid for clang-cl info
On Tue, Mar 6, 2018 at 6:49 AM Ted Mielczarek via cfe-users <
cfe-users at lists.llvm.org> wrote:
> Hi there,
> We're continuing to work on making Firefox build with clang-cl in more
> configurations, and one of my colleagues recently wondered if we could
> generate Makefile dependencies with clang-cl the same way we would with
> clang or gcc (-MP -MD etc) instead of using the wrapper script that we
> use with MSVC that parses the output of -showIncludes. Passing these
> options to clang-cl with `-Xclang` doesn't seem to work, however:
> $ clang-cl -Fohello.obj -c hello.cpp -Xclang -MP -Xclang -MD -Xclang -MF
> -Xclang bar
> error: unknown argument: '-MD'
> error: unknown argument: '-MF'
> Is this something we could make work?
> 1. https://bugzilla.mozilla.org/show_bug.cgi?id=1340588
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> cfe-users at lists.llvm.org
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