Fix version detection for out-of-source builds #1177
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Git was called in the build directory and not the source directory. This works fine when the build directory resides within the source repository, but doesn't work for out-of-source builds. Example: ``` ~/zigbuild$ cmake ../zig fatal: not a git repository (or any of the parent directories): .git Configuring zig version 0.2.0+ ``` Use Git's `-C <path>` flag to always point to the source directory so that it doesn't matter where the build directory lives.
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Git was called in the build directory and not the source directory.
This works fine when the build directory resides within the source
repository, but doesn't work for out-of-source builds. Example:
Use Git's
-C <path>flag to always point to the source directory sothat it doesn't matter where the build directory lives.