[Development] How to build 32-bit Qt with Qt6/CMake
joerg.bornemann at qt.io
Wed Nov 25 14:16:58 CET 2020
On 11/24/20 9:32 PM, Thiago Macieira wrote:
> Like the "How to build unit tests & examples on demand with Qt6/CMake?"
> thread, now I need to build a 32-bit build of Qt but I don't know how.
> need to set PKG_CONFIG_LIBDIR in the environment and pass to cmake:
> -DCMAKE_C_FLAGS=-m32\ -O0
> -DCMAKE_CXX_FLAGS=-m32\ -O0
> Is this the correct solution? Is there a better way?
This looks correct so far. A small improvement would be to put all this
into a CMake toolchain file and additionally do
Then you can cross-build with -DCMAKE_TOOLCHAIN_FILE=x86-toolchain.cmake
In a perfect world, your distro would have provided this file.
More information about the Development