-# When cross compiling we generally need to turn off the use of assembly,
-# because mesa's assembly relies on building an executable for the host system,
-# and running it to get information about struct sizes. There is at least one
-# case of cross compiling where we can use asm, and that's x86_64 -> x86 when
-# host OS == build OS, since in that case the build machine can run the host's
-# binaries.
-if with_asm and meson.is_cross_build()
- if build_machine.system() != host_machine.system()
- # TODO: It may be possible to do this with an exe_wrapper (like wine).
- message('Cross compiling from one OS to another, disabling assembly.')
- with_asm = false
- elif not (build_machine.cpu_family().startswith('x86') and host_machine.cpu_family() == 'x86')
- # FIXME: Gentoo always sets -m32 for x86_64 -> x86 builds, resulting in an
- # x86 -> x86 cross compile. We use startswith rather than == to handle this
- # case.
- # TODO: There may be other cases where the 64 bit version of the
- # architecture can run 32 bit binaries (aarch64 and armv7 for example)
- message('''
- Cross compiling to different architectures, and the host cannot run
- the build machine's binaries. Disabling assembly.
- ''')
- with_asm = false
- endif
-endif
-