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This commit moves the linker-flavor flag from a debugging option to a
codegen option, thus stabilizing it. There are no feature flags
associated with this flag.
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It's unnecessary to print the linker options if there is no linker installed.
Currently, for libraries, the output is still printed, see #46998 for
discussion
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This commit allocates a builder to running wasm32 tests on Travis. Not all test
suites pass right now so this is starting out with just the run-pass and the
libcore test suites. This'll hopefully give us a pretty broad set of coverage
for integration in rustc itself as well as a somewhat broad coverage of the llvm
backend itself through integration/unit tests.
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Move them all behind a new -C switch. This migrates some -Z flags and some
top-level flags behind this -C codegen option.
The -C flag takes values of the form "-C name=value" where the "=value" is
optional for some flags.
Flags affected:
* --llvm-args => -C llvm-args
* --passes => -C passes
* --ar => -C ar
* --linker => -C linker
* --link-args => -C link-args
* --target-cpu => -C target-cpu
* --target-feature => -C target-fature
* --android-cross-path => -C android-cross-path
* --save-temps => -C save-temps
* --no-rpath => -C no-rpath
* -Z no-prepopulate => -C no-prepopulate-passes
* -Z no-vectorize-loops => -C no-vectorize-loops
* -Z no-vectorize-slp => -C no-vectorize-slp
* -Z soft-float => -C soft-float
* -Z gen-crate-map => -C gen-crate-map
* -Z prefer-dynamic => -C prefer-dynamic
* -Z no-integrated-as => -C no-integrated-as
As a bonus, this also promotes the -Z extra-debug-info flag to a first class -g
or --debuginfo flag.
* -Z debug-info => removed
* -Z extra-debug-info => -g or --debuginfo
Closes #9770
Closes #12000
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Trap the io_error condition so that a more informative error message is
displayed when the linker program cannot be started, such as when the
name of the linker binary is accidentally mistyped.
closes #10755
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