ld: Accept --verbose as alias for -v #50
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Before this commit, nvptx-ld only supported '-v' for verbose, while other compilers use it to print the version (and exit). For better compatibility, this commit now adds '--verbose'. This incompatibility is in particular an issue for offload compilation, where using '-foffload-options=nvptx-none=-Wl,--verbose' with GCC will pass those linker flags to both the offload-target compiler (nvptx-ld) and to the offload-host compiler, such that the flags should be better compatible. Looking at other linkers: * ld.bfd (GNU linker, part of Binutils) has --verbose[=n] while -v prints the version. * ld.mold (Mold linker) uses --trace, but accepts (and ignores) --verbose while -v prints the version. * ld.lld (LLVM linker) uses --verbose and -verbose while -v prints the version. * ld.gold (Binutils' gold linker) supports --verbose as alias for --debug=files and -v is used to print the version.
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Before this commit, nvptx-ld only supported '-v' for verbose, while other compilers use it to print the version (and exit). For better compatibility, this commit now adds '--verbose'.
This incompatibility is in particular an issue for offload compilation, where using '-foffload-options=nvptx-none=-Wl,--verbose' with GCC will pass those linker flags to both the offload-target compiler (nvptx-ld) and to the offload-host compiler, such that the flags should be better compatible.
Looking at other linkers:
@tschwinge