configure: Modernize configure.ac a bit #118
Merged
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... to make 2.71 happy. Also increase minimum version to 2.69 (10 years
old version so should be compatible enough).
@dmuhamedagic Also during preparing this patch I've found that it is impossible to compile code when BUILD_TIMER_C is unset (so platform without clock_gettime). Fix shouldn't be so hard, but I'm wondering if it does make any sense to support such platforms (and have extra, probably untested ifdef)? Would you accept patch which would make clock_gettime required and remove ifdef with code for platforms without clock_gettime? It wouldn't be super huge code saver, but it removes some lines (and - especially - (probably) untested ifdef part of code).