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rtomayko / posix-spawn

Ruby process spawning library
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Posix-spawn failed to build on OS X 10.9 with Xcode 5.1 installed #50

Closed NSArtem closed 9 years ago

NSArtem commented 10 years ago

While attempting to build posix-spawn on OS X 10.9 with Xcode 5.1 (release) the following error is faced:

linking shared-object posix_spawn_ext.bundle
clang: error: unknown argument: '-multiply_definedsuppress' [-Wunused-command-line-argument-hard-error-in-future]
clang: note: this will be a hard error (cannot be downgraded to a warning) in the future
make: *** [posix_spawn_ext.bundle] Error 1
ERROR:  Error installing git-up:
    ERROR: Failed to build gem native extension.

    Building has failed. See above output for more information on the failure.

Apparently this is due to the new behaviour of clang in the latest Xcode. As described in this SO question: http://stackoverflow.com/questions/22352838/ruby-gem-install-json-fails-on-mavericks-and-xcode-5-1-unknown-argument-mul, the root cause is that the clang treats unknown compiler options as error.

furilo commented 10 years ago

Any solution?

rtomayko commented 9 years ago

I'm not able to repro this on:

$ uname -a
Darwin rtko.local 14.1.0 Darwin Kernel Version 14.1.0: Thu Feb 26 19:26:47 PST 2015; root:xnu-2782.10.73~1/RELEASE_X86_64 x86_64

Please reopen if this continues to be a problem.