On 4/22/21 5:32 PM, Morgan Adamiec wrote: > Even when stripped the binary still contains the filepaths. If you're > prefer to predix it with "" that works.
Per discussion on IRC, the issue at hand is that in non-debug parts of the binary, rust is using macros pointing to the source code, for e.g. panics. In the same style as __FILE__ macros in C. Which we do not try to handle here. Basically, gcc has: -fdebug-prefix-map == rewrite file paths pointing to source code for the debugger to step through -fmacro-prefix-map == rewrite __FILE__ macros. The rust option does both and there is no rust option to only do one or the other. ... IMO rewriting macros is out of scope for the debugflags option, and *if* we want to do anything with them we should make them relative paths (remap to "") while at the same time making debug references remapped to the debug sources directory. -fdebug-prefix-map=$srcdir=$debugdir -fmacro-prefix-map=$srcdir= (But, I'm not convinced we should do anything with them.) Rust does not offer this granularity, apparently. So, enabling debug builds has the side effect of also making runtime, end-user macro output change. -- Eli Schwartz Bug Wrangler and Trusted User
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