[Bug 1472314] Re: Fix subsequent cmake runs when using multi-arch

[Michael Terry]

So I am also unsure of what exactly your scenario is (what the
reproduction steps are).

Without any environment variables, cross compiling isn't used, so this
bug isn't hit.  It's only when you set environment variables to use
cross compilers that you might hit this scenario.  But if you look at,
for example, dpkg-cross(1), it recommends setting:

        export CC=$(DEB_HOST_GNU_TYPE)-gcc
        export CXX=$(DEB_HOST_GNU_TYPE)-g++
        export CMAKE_TOOLCHAIN_FILE=/etc/dpkg-cross/cmake/CMakeCross.txt

Thus manually setting CMAKE_TOOLCHAIN_FILE seems to be a standard part
of the documentation.  What steps are you using to cross compile?

** Changed in: cmake (Ubuntu)
       Status: New => Incomplete

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Title:
  Fix subsequent cmake runs when using multi-arch

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