The M2Crypto 0.12 package needs swig to be installed in order to compile. The ebuild doesn't list this as a build dependency, and so the emerge will fail if swig isn't already installed. Reproducible: Always Steps to Reproduce: emerge m2crypto Actual Results: building '__m2crypto' extension swig -python -ISWIG -o SWIG/_m2crypto.c SWIG/_m2crypto.i unable to execute swig: No such file or directory error: command 'swig' failed with exit status 1 !!! ERROR: dev-python/m2crypto-0.12 failed. !!! Function distutils_src_compile, Line 38, Exitcode 1 !!! compilation failed
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