“Jesper Juhl summarized a recent experiment of compiling the
latest Linux kernel 100 times with various configurations,
resulting in 82 failed builds and thousands of warnings. Most of
the builds utilized make randconfig which generates a random
.config, and further inspection revealed that a significant
percentage of these builds failed due to known configuration
issues. Regarding warnings, Adrian Bunk pointed out that for most
normal configurations things are much better, ‘not that our current
situation [is] perfect, but the number of warnings in .config’s
people usually use isn’t that bad…'”