http://llvm.org/bugs/show_bug.cgi?id=8150
Summary: clang -fcolor-diagnostics and !isatty(stderr)
Product: clang
Version: trunk
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P
Component: Driver
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Created an attachment (id=5492)
--> (http://llvm.org/bugs/attachment.cgi?id=5492)
Proposed patch
Clang's -fcolor-diagnostics command-line option doesn't enable colored
diagnostics if it's of the opinion that stderr can't handle them (i.e.
StandardErrHasColors() returns false).
IMHO, if this option is explicitly passed to the driver then it should respect
that. (For instance, ccache users can't get colored diagnostics otherwise
because ccache also caches warnings, so it has to redirect stderr)
I'm attaching a small patch that fixes this.
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