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bfaae2d234
commit 97eb64b909bc broke building outside of a git dir, because
the git describe command would fail. Fix this by checking if
we're in a git tree at all and just generate an empty string
as version string. Use this in uname_x to generate a fallback
version.
Fixes: 97eb64b909bc ("Cygwin: uname: generate default release
string from git as well"
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cygwin documentation is available on the net at https://cygwin.com You might especially be interested in https://cygwin.com/faq/faq.html#faq.programming.building-cygwin