Mike Arthur wrote:
What does CPACK_SET_DESTDIR actually do?
I can't find it documented anywhere but it seems needed for some CPack
generators.
CPack seems great but it's very poorly documented compared to CMake, even when
using the wiki.
By default CPack works by setting CMAKE_INSTALL_PREFIX to
_CPack/install or something close to that in the build tree. However,
if your project uses any absolute paths, this breaks. If you set
CPACK_SET_DESTDIR, then CPack will not change CMAKE_INSTALL_PREFIX, and
use make DESTDIR=_CPack/install. This will preserve the
CMAKE_INSTALL_PREFIX for the project and work with absolute install
paths (like /etc/foobar.config).
-Bill
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