Index: sys/sys/param.h =================================================================== --- sys/sys/param.h +++ sys/sys/param.h @@ -54,13 +54,29 @@ * * documentation/content/en/books/porters-handbook/versions/_index.adoc * - * scheme is: Rxx + * Encoding: Rxx * 'R' is in the range 0 to 4 if this is a release branch or * X.0-CURRENT before releng/X.0 is created, otherwise 'R' is * in the range 5 to 9. + * Short hand: MMmmXXX + * + * __FreeBSD_version is bumped every time there's a change in the base system + * that's noteworthy. A noteworthy change is any change which changes the + * kernel's KBI in -CURRENT, one that changes some detail about the system that + * external software (or the ports system) would want to know about, one that + * adds a system call, one that adds or deletes a shipped library, a secuirty + * fix, or similar change not specifically noted here. Bumps should be limited + * to one per day / a couple per week except for security fixes. + * + * The approved way to obtain this from a shell script is: + * awk '/^\#define[[:space:]]*__FreeBSD_version/ {print $3}' + * Other methods to parse this file may work, but are not guaranteed against + * future changes. The above script works back to FreeBSD 3.x when this macro + * was introduced. This number is propigated to other places needing it that + * cannot include sys/param.h and should only be updated here. */ #undef __FreeBSD_version -#define __FreeBSD_version 1400010 /* Master, propagated to newvers */ +#define __FreeBSD_version 1400010 /* * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,