[capnproto] Reg. Building for Android - Makefile tests issue

[Amit S]

Hi,


I am trying to build capnproto for Android.

I am able to cross compile the library partially. As in the `make` command
generates libcapnp, but it's not building libcapnp-josn* libraries.

The reason being, `make` command stops at execution of
`test_capnpc_middleman` as the test doesn't run on Linux machine since the
files are cross-compiled.

When I commented the steps inside the rule `test_capnpc_middleman`, I was
able to compile and build all the required shared libraries.

Any suggestions on how to skip the tests execution from `make` command?

or If required, I can submit a PR for targeting cross-compile build where
the test is not executed during make.

Please advice.

[b***@gmail.com]

Hi!

You can use CMake based build and pass -DBUILD_TESTING=NO option to disable
building of the tests. This also works with Android cmake toolchain.

Autotools based build seems to not have such an option.

Post by Amit S
Hi,
I am trying to build capnproto for Android.
I am able to cross compile the library partially. As in the `make` command
generates libcapnp, but it's not building libcapnp-josn* libraries.
The reason being, `make` command stops at execution of
`test_capnpc_middleman` as the test doesn't run on Linux machine since the
files are cross-compiled.
When I commented the steps inside the rule `test_capnpc_middleman`, I was
able to compile and build all the required shared libraries.
Any suggestions on how to skip the tests execution from `make` command?
or If required, I can submit a PR for targeting cross-compile build where
the test is not executed during make.
Please advice.

['Kenton Varda' via Cap'n Proto]

Hi Amit,

When cross-compiling, you must first install capnp natively on the build
system. Then, you can configure the cross build to use the
already-installed version rather than the in-tree build using:

./configure --with-external-capnp

If you don't want to install `capnp` on the build system, you can compile
the binary and then set the CAPNP and CAPNPC_CXX environment variables to
point at the locations of capnp and capnpc-c++ respectively.

-Kenton

Post by Amit S
Hi,
I am trying to build capnproto for Android.
I am able to cross compile the library partially. As in the `make` command
generates libcapnp, but it's not building libcapnp-josn* libraries.
The reason being, `make` command stops at execution of
`test_capnpc_middleman` as the test doesn't run on Linux machine since the
files are cross-compiled.
When I commented the steps inside the rule `test_capnpc_middleman`, I was
able to compile and build all the required shared libraries.
Any suggestions on how to skip the tests execution from `make` command?
or If required, I can submit a PR for targeting cross-compile build where
the test is not executed during make.
Please advice.
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