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I remember there is a way(command) to check the makefile(make) options that distribution developers used them to build the kernel of current distribution. Is my memory wrong?

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  • Are you sure you make the make options? The kernel configuration options are certainly captured, but some of the other options passed to the make process are not stored in the configuration. Commented Mar 28, 2017 at 0:10

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To show the compile flags of the running kernel:

cat /boot/config-`uname -r`
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  • If the distributers included the file... Also there used to be a kernel option to include the config in the kernel file itself, if that was enabled it would be at /proc/config Commented Mar 27, 2017 at 17:25
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    That's right, stilll I can't think of a distro that doesn''t include it nowadays. I think the kernel option you mention is CONFIG_IKCONFIG_PROC Commented Mar 27, 2017 at 17:49

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