[CMake] CMake integration in Gradle (Android Studio)

[Cong Monkey]

The latest release of android studio work with CMAKE well.

you can create a new project with c++ support to test CMAKE support!

You can follow https://code.google.com/p/android/issues/detail?id=212007
to get the details.

2016-10-28 5:48 GMT+08:00 Robert Dailey <rcdailey.lists at gmail.com>:
> I'm at a bit of a loss on finding more information. Can anyone at
> least confirm that this isn't a reliable place to find the answers I'm
> looking for? Does anyone have real experience with android + gradle +
> cmake integration and can provide some pointers?
>
> On Tue, Oct 25, 2016 at 8:48 AM, Robert Dailey <rcdailey.lists at gmail.com> wrote:
>> I'm not sure if the CMake mailing lists are the right place to ask
>> this question but I thought I'd ask just in case someone has gone down
>> this path or has experience with what Google/Gradle is actually trying
>> to accomplish with what seems to be a hand-built version of CMake with
>> custom patches that are not in upstream repositories.
>>
>> Prior to switching to Android Studio / Gradle, I was using Eclipse /
>> Ant. The way I did CMake integration was not really integration at
>> all: I generated Ninja build scripts using CMake and implemented
>> custom targets to run "ant release" after all the C++ projects were
>> built. I made sure that CMake copied relevant *.so files to
>> appropriate directories in the Ant structure so they are packaged with
>> built APKs. That's how I did my Android development.
>>
>> Now that I'm integrating CMake into Gradle, first annoyance I noticed
>> is that I can't use CMake 3.7 (or any external installation of CMake)
>> with Android Studio. It requires a version of CMake installed through
>> SDK Manager. This means I can't use the new Android toolchain
>> functionality built into CMake 3.7 (sad face). But this is something I
>> can work around...
>>
>> Next I found out that stuff I'm setting in my CMake scripts, such as
>> CPP flags like `-std=c++14` and `-fexceptions` was not being applied.
>> For whatever reason, Gradle is overriding these from the command line
>> (I'm guessing?). So this requires me to duplicate the toolchain /
>> compiler flag setup I already do in my CMake scripts now in the Gradle
>> build scripts. This seems completely unnecessary and a maintenance
>> burden.
>>
>> What I was expecting Gradle to do was essentially provide me some
>> toolchain file so that CMake can find the compiler and linker to use
>> and then the rest would be determined by CMake itself.
>>
>> Is there a way I can tell Gradle to not take so much control over
>> compiler flags? I want my CMake scripts to do this. I can't imagine
>> they had a good reason to do this. What have others done in this
>> situation with their own Gradle + CMake integration? Looking for
>> advice here, since information is sparse, especially since the Android
>> Studio 2.2 CMake integration is relatively new stuff.
> --
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