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Relying on the existence of CallStack in 7.10 breaks bootstrappability with 7.10.1
- 10.2 added the CallStack mechanism, and GHC already relies on this while being built. Unfortunately, it is enabled with "GLASGOW_HASKELL >= 710", which also applies to GHC 7.10.1, which does not have CallStack, and fails building the stage-1 compiler because the symbol is not found.
This patch makes the CPP directive more strict, requiring more than 7.10 instead of at least.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 7.10.2 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | Compiler |
| Test case | |
| Differential revisions | D1472 |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |