c816720242
rustc: implement -C link-arg this flag lets you pass a _single_ argument to the linker but can be used _repeatedly_. For example, instead of using: ``` rustc -C link-args='-l bar' (..) ``` you could write ``` rustc -C link-arg='-l' -C link-arg='bar' (..) ``` This new flag can be used with RUSTFLAGS where `-C link-args` has problems with "nested" spaces: ``` RUSTFLAGS='-C link-args="-Tlayout.ld -nostartfiles"' ``` This passes three arguments to rustc: `-C` `link-args="-Tlayout.ld` and `-nostartfiles"` to `rustc`. That's not what we meant. But this does what we want: ``` RUSTFLAGS='-C link-arg=-Tlayout.ld -C link-arg=-nostartfiles` ``` cc rust-lang/rfcs#1509 r? @alexcrichton cc @Zoxc This needs a test. Any suggestion? |
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