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3 Commits

Author SHA1 Message Date
Adrian Prantl
5956b6b226 Darwin: introduce a global override for debug prefix map entries 
This patch adds a new Darwin Swift driver environment variable in the spirit of
RC_DEBUG_OPTIONS, called RC_DEBUG_PREFIX_MAP, which allows a meta build tool to
add one additional -fdebug-prefix-map entry without the knowledge of the build
system.

See also https://reviews.llvm.org/D119850

rdar://85224717
 2022-02-15 15:36:15 -08:00
Owen Voorhees
c50e6d6bf3 [swift-driver-compatibility] Update diagnostic for *-prefix-map args 2020-08-31 18:01:59 -07:00
Tony Allevato
78edd30ddf Implement -debug-prefix-map flag. 
This flag is based on Clang's -fdebug-prefix-map, which lets the user remap absolute paths in debug info. This is necessary for reproducible builds and allows debugging to work on a different machine than the one that built the code when paths to the source may be different.
 2018-07-01 18:22:15 -07:00