tinygo

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Tree: cd628bcde6

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Author	SHA1	Message	Date
Ayke van Laethem	f06d7d1bd6	builder: run tools (clang, ...) as separate processes This is necessary because LLVM defines many options in global variables that are modified when invoking Clang. In particular, LLVM 10 seems to have a bug in which it always sets the -pgo-warn-misexpect flag. Setting it multiple times (over various cc1 invocations) results in an error: clang (LLVM option parsing): for the --pgo-warn-misexpect option: may only occur zero or one times! This is fixed by running the Clang invocation in a new `tinygo` invocation. Because we've had issues with lld in the past, also run lld in a separate process so similar issues won't happen with lld in the future.	5 years ago

Author

SHA1

Message

Date

Ayke van Laethem

f06d7d1bd6

builder: run tools (clang, ...) as separate processes

This is necessary because LLVM defines many options in global variables
that are modified when invoking Clang. In particular, LLVM 10 seems to
have a bug in which it always sets the -pgo-warn-misexpect flag. Setting
it multiple times (over various cc1 invocations) results in an error:

    clang (LLVM option parsing): for the --pgo-warn-misexpect option: may only occur zero or one times!

This is fixed by running the Clang invocation in a new `tinygo`
invocation.

Because we've had issues with lld in the past, also run lld in a
separate process so similar issues won't happen with lld in the future.

5 years ago

1 Commits (cd628bcde6d86cac40be31993bac4338120d75ff)