Trying to rebuild R 3.5.3 to fix the rJava issue, some packages cannot be installed, as [rngtools 1.3.1.1 now requires at least R 3.6](https://github.com/renozao/rngtools/issues/3). Warning: dependencies ‘rngtools’, ‘fpc’ are not available So, we need to find a way how to specify versions or just move to R 3.6, and delete 3.5.3 afterward. ``` $ grep 'ERROR:' R-3.5.3-1.build.log ERROR: configuration failed for package ‘V8’ ERROR: dependency ‘V8’ is not available for package ‘dagitty’ ERROR: configuration failed for package ‘sf’ ERROR: dependency ‘rngtools’ is not available for package ‘doRNG’ ERROR: dependency ‘dagitty’ is not available for package ‘pcalg’ ERROR: dependency ‘sf’ is not available for package ‘spdep’ ERROR: dependency ‘fpc’ is not available for package ‘dendextend’ ERROR: dependency ‘dendextend’ is not available for package ‘seriation’ ERROR: dependency ‘seriation’ is not available for package ‘corrgram’ ERROR: compilation failed for package ‘gsl’ ERROR: dependency ‘rngtools’ is not available for package ‘doRNG’ ERROR: dependency ‘doRNG’ is not available for package ‘blockmodeling’ ERROR: dependency ‘gsl’ is not available for package ‘copula’ ERROR: dependency ‘blockmodeling’ is not available for package ‘EBSeq’ ERROR: dependency ‘copula’ is not available for package ‘zinbwave’ ERROR: dependency ‘gridSVG’ is not available for package ‘arrayQualityMetrics’ ERROR: dependency ‘EBSeq’ is not available for package ‘scDD’ ERROR: dependency ‘doRNG’ is not available for package ‘bumphunter’ ERROR: dependency ‘bumphunter’ is not available for package ‘minfi’ ERROR: dependency ‘minfi’ is not available for package ‘methylumi’ ERROR: dependency ‘methylumi’ is not available for package ‘lumi’ ```