enable code coverage data collection #35
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This relies on the AX_CODE_COVERAGE macro from the autoconf-archive project. We explicitly only collect metrics for code under $(srcdir)/src as this is the only code shipped in the library. Everything else is test or example code. Signed-off-by: Philip Tricca <philip.b.tricca@intel.com>
We only collect code coverage when building with GCC. This requires a new environment variable to hold additional options passed to the configure script (--enable-code-coverage). Also we can't use the distcheck target to collect code coverage metrics so we add yet another environment variable so that we can use 'check' with gcc. To collect these metrics we need lcov installed as well. Finally we upload metrics to coveralls only if CC is gcc. Signed-off-by: Philip Tricca <philip.b.tricca@intel.com>
This is required for code-coverage. Signed-off-by: Philip Tricca <philip.b.tricca@intel.com>
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