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linux x86 32-bit arm-androideabi-4.6 toolchain

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liuponghei/androideabi

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This branch is up to date with yath/android_prebuilts_gcc_linux-x86-32_arm_arm-linux-androideabi-4.6:jellybean.

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README

Linux/x86 32-bit gcc/binutils for arm-linux-androideabi-4.6 Usage ===== - Put to your .repo/local_manifest.xml - Make sure I89ed0f00eda1a0bebbc35f39af4bbf0e97f6fade from CyanogenMod is applied to your build/ directory (see http://review.cyanogenmod.com/19152). Building ======== A=$ANDROID_BUILD_TOP TC=/tmp/toolchain-source cd $A/ndk/build/tools ./download-toolchain-sources.sh $TC cd $TC git clone https://android.googlesource.com/toolchain/mpc # this one is missing from download-toolchain-sources.sh # fix SOURCES to reflect mpc cd $A/ndk/build/tools # set DEFAULT_BINUTILS_VERSION=2.21 in dev-defaults.sh - binutils 2.19 don't support the 'orn' instruction and # you will get an assembler error when compiling ./gen-platforms.sh --minimal ./build-gcc.sh $TC $A/ndk arm-linux-androideabi-4.6 # find your output in $A/ndk/toolchains/arm-linux-androideabi-4.6/prebuilt/linux-x86

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linux x86 32-bit arm-androideabi-4.6 toolchain

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Источник

Tydus / howto-standalone-toolchain.md

NDK (Native Develop Toolkit) is a toolchain from Android official, originally for users who writes native C/C++ code as JNI library. It’s not designed for compiling standalone programs (./a.out) and not compatible with automake/cmake etc.

What is Standalone Toolchain

«Standalone» refers to two meanings:

1. The program is standalone (has nothing connect to NDK, and don’t need helper scripts to run it)
2. The toolchain is made for building standalone programs and libs, and which can used by automake etc.

(Optional) Why NDK is hard to use

By default, NDK uses android flavor directory structure when it’s finding headers and libs, which is different from GNU flavor, so the compiler cannot find them. For Example:

/home/tyeken8/Desktop/elab/geo/android-ndk-r9d/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld: error: cannot open crtbegin_dynamic.o: No such file or directory /home/tyeken8/Desktop/elab/geo/android-ndk-r9d/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld: error: cannot open crtend_android.o: No such file or directory /home/tyeken8/Desktop/elab/geo/android-ndk-r9d/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld: error: cannot find -lc /home/tyeken8/Desktop/elab/geo/android-ndk-r9d/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/../lib/gcc/arm-linux-androideabi/4.8/../../../../arm-linux-androideabi/bin/ld: error: cannot find -ldl collect2: error: ld returned 1 exit status 

Although we can manuall specify the path (someone wrote a program called «agcc» to handle this automatically, but still not good), it’s really annoying.

1. Download Android NDK
   from https://developer.android.com/tools/sdk/ndk/index.html
2. Extract the NDK
   tar xf android-ndk-r9d-*.tar.bz2 && cd android-ndk-r9d
3. Make GNU Android Toolchain from NDK
   build/tools/make-standalone-toolchain.sh —toolchain=arm-linux-androideabi-4.8 —platform=android-19 —install-dir=../toolchain
4. Delete the NDK (Yes, we don’t need it any more)
   cd .. && rm -rf android-ndk-r9d
5. Test the native toolchain
   cd toolchain/bin
   echo «main()<>» | ./arm-linux-androideabi-gcc -x c —
   file a.out # a.out: ELF 32-bit LSB executable, ARM, version 1 (SYSV), dynamically linked (uses shared libs), not stripped
6. (Optional) Now you can use it as a standard GNU toolchain
   For example: ./configure —prefix=/opt/android —host=arm-linux-androideabi && make && make install

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