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Author SHA1 Message Date
Alyssa Ross 4f80464645
Apply OS checks to host platform, not build
Previously, the build system used uname(1) output when it wanted to
check the operating system it was being built for, which meant that it
didn't take into-account cross-compilation when the build and host
operating systems were different.

To fix this, instead of consulting uname output, we consult the host
triple, specifically the third "kernel" part.

For "kernel"s with stable ABIs, like Linux or Cygwin, we can use a
simple ifeq to test whether we're compiling for that system, but for
other platforms, like Darwin, FreeBSD, or Solaris, we have to use a
more complicated check to take into account the version numbers at the
end of the "kernel"s.  I couldn't find a way to just strip these
version numbers in GNU Make without shelling out, which would be even
more ugly IMO.  Because these checks differ between kernels, and the
patsubst ones are quite fiddly, I've added variables for each host OS
we might want to check to make them easier to reuse.
2021-06-23 15:00:36 +00:00
Eelco Dolstra 20a7d8d23a Add some missing clean-files 2020-10-18 20:32:59 +02:00
Eelco Dolstra de8be7c3e0 Install systemd and Upstart stuff only on Linux 2014-07-16 11:53:47 +02:00
Eelco Dolstra 20668b1363 Install an Upstart service 2014-05-02 13:14:10 +02:00