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| 18:18.15 | TheShagg | So does it matter if your linux toolchain (including clib linux includes) do not match the actual version of linux that is running? |
| 18:19.02 | TheShagg | I noticed that my CodeSourcery lite gcc tools install is using its own version of the linux include files, and I am curious if this will cause problems |
| 18:19.13 | TheShagg | well, it already has caused one problem - its includes are out of date |
| 18:19.22 | TheShagg | so my build isn't working |
| 18:19.31 | TheShagg | because there are #defines missing |
| 18:26.26 | gustavoz | as long as your headers aren't newer than your kernel you're generally fine |
| 18:26.53 | gustavoz | of course some programs need a minimum header version to build, that's another story |
| 18:28.20 | landley | TheShagg: Linux offers backwards but not forwards compatability. |
| 18:28.34 | djerome | wait, as a general rule, your cross-tool chain linux version can be older or newer than the build host's |
| 18:28.37 | landley | Meaning if your toolchain was built against an older kernel than you deploy on, life is good. |
| 18:28.49 | landley | If it was built against a _newer_ kernel than you deploy the binaries on, expect random segfaults. |
| 18:29.39 | landley | Note that the toolchain should run anyway. Producing binaries is conceptually no different than running a docbook to PDF converter: input files get turned into output files. Whee. |
| 18:29.54 | landley | The interesting bit is what happens when you try to RUN those binaries. |
| 18:30.30 | TheShagg | ok, so I am ok with (apps built against old kernel headers) and (kernels that are newer), I.E. new kernels can run old apps |
| 18:30.32 | TheShagg | yes? |
| 18:30.53 | TheShagg | thats supposed to be "am I ok with" |
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| 18:42.07 | landley | yes |
| 18:45.56 | TheShagg | landley: ok, and I assume I should be using the linux/version.h file as my reference point? |
| 18:50.10 | landley | That should work. |
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| 23:08.19 | Mirell | That was a day. |
| 23:08.41 | prpplague | and a half |
| 23:26.20 | alex4nder | yoh |
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