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David Gibson authored
Currently ccanlint always assumes that the coverage tool can be invoked under the command "gcov". However, the coverage tool generally needs to be closely matched to the compiler version. So, the current behaviour won't work with compilers other than gcc, like clang. It won't even work for a gcc version which isn't the standard system one matching gcov. To address this, allow the command for the coverage tool to be overridden on the ccanlint command line with a new --gcov option. We also allow it to be overridden for make check with a GCOV make variable. Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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