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Home/ Questions/Q 6631239
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Editorial Team
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Editorial Team
Asked: May 25, 20262026-05-25T22:31:03+00:00 2026-05-25T22:31:03+00:00

When using NDK r5b, when I do a build in my jni directory using

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When using NDK r5b, when I do a build in my jni directory using

$NDK_DIR/ndk-build 

it works fine. But When I switch to r6b (just by setting $NDK_DIR differently) and run that same command, I get

/usr/local/android-ndk-r6b/build/core/setup-toolchain.mk:20: *** Android NDK:  Assertion failure: TARGET_PLATFORM is not defined    .  Stop.

What do I need to do differently in r6b that I didn’t need to do in r5b?

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1 Answer

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  1. Editorial Team
    Editorial Team
    2026-05-25T22:31:04+00:00Added an answer on May 25, 2026 at 10:31 pm

    The solution is to add this line to jni/Application.mk:

    APP_PLATFORM := android-8

    This is new to r6b. (Not required in r5b or r6, just r6b.)

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