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Need a Cross compile example #163
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There is a working example in the source code - "testbuilds.py test_250" and "testbuilds.py test_260". I just made it working, and I wanted to have a test with conan as well, so it may not contain all the answers you need. Cmake itself should allow for anything needed to crosscompile. As I was using automake without conan in the past, I need to learn more about that myself. |
I really have no idea what to do with it, I run this...
I don't think it does any compiling as it just returns straight away. I would have thought something like this was required: https://earthly.dev/blog/cmake-gcc-cross-compile/ At this stage I think I'll have to use zziplib-0.13.69.tar.gz and install the files myself and copy the __*.h files to the include directory which has worked around the issue in the past (I found some notes I had for that). That release has worked for me in the past and I'm just after something that can be cross compiled easily. |
The "testbuilds.py" requires an active docker service as it uses a containerized crossgcc. I do not expect anyone to preinstall a compiler on the host to get some tests running. If you like then you can look into the respective dockerfile that is used by the test. |
Way too involved and complicated for me I'm afraid. Even a .configure script that many packages use only requires one line to cross compile so I'm not sure why Cmake is taking over the traditional way of doing things. Thanks anyway. |
Well, cmake is better for use in IDEs. And I will certainly remove the automake-configure script in the near future. As for myself, I do a lot of devops-consulting and Conan is the tool for versioning and better release-managment. This is required in a lot of places even getting into the "reproducible builds" domain. The industry is changing. |
I'm ok with .configure scripts from the older releases and while I can build the current zziplib using Cmake to create a Makefile and then using the traditional make command for the current host I don't know what I need to do to cross compile with Cmake.
Do I have to edit the CMakeLists.txt file every time the target changes and if so what needs to change?
I would like one simple example. Let's say I want to use "x86_64-w64-mingw32" to create a Windows build. I have a location in /opt to place the target files.
How would I go about this?
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