extra-cmake-modules broken "noarch" support

[Alex Merry]

On 03/06/14 13:08, Daniel Vrátil wrote:
> Hi,
> 
> I noticed that in ECM, the generated file in 
> /usr/share/ECM/cmake/ECMConfigVersion.cmake contains an architecture check:
> 
> # check that the installed version has the same 32/64bit-ness as the one which 
> is currently searching:
> if(NOT "${CMAKE_SIZEOF_VOID_P}"  STREQUAL  "4")
>    math(EXPR installedBits "4 * 8")
>    set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
>    set(PACKAGE_VERSION_UNSUITABLE TRUE)
> endif()
> 
> However ECM is "noarch"  - it installs only non-binary files to /usr/share, so 
> it should not matter what architecture it has been "compiled" on and what arch 
> it's installed on. However thanks to the arch check, when the package gets 
> build on an i686 builder (which happened to me in this case), it's not 
> possible to build any 64bit packages against it:

Ah, this was some unexpected fallout from giving ECM a language. See
https://git.reviewboard.kde.org/r/118498/ for a fix.

BTW, for future reference, discussion about ECM happens on the
kde-buildsystem mailing list.

Alex