Added checks to only write version file when requested

I2PC / xmippCore

Core functions for Xmipp and sharing with other packages (like Scipion)

GNU General Public License v3.0

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Added checks to only write version file when requested #207

Closed oierlauzi closed 2 months ago

oierlauzi commented 2 months ago

When installing XmippCore standalone (just for testing purposes), XMIPP_VERSIONS_FILE is not passed. Thus it writes files named as the content (odd and annoying behavior). With this PR, we check if the variable is defined and only write when so.