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POBuilding a toolchain with cmake to cross-compile for android
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  1. POBuilding a toolchain with cmake to cross-compile for android
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    copied!<pre><code>gcc (GCC) 4.8.1 android-ndk-r9 </code></pre> <p>Hello,</p> <p>My host machine is <code>Fedora 19</code> and I want to create a tool-chain for compiling programs to run on android, later I want to extend this for iOS.</p> <p>I get the following error:</p> <pre><code>Check for working C compiler: /opt/ndk/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc -- broken </code></pre> <p>I am not sure why I am getting this error, as everything has been installed. I have also installed <code>binutils-arm-linux-gnu</code>. However, this is my first time do this type of thing, so many I have got something mixed up.</p> <p>I am trying to create a toolchain file using cmake to croos-compile to run libraries on an android device.</p> <p>I have installed the android-ndk-r9 in the following location with the path to the compiler:</p> <pre><code>/opt/ndk/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin arm-linux-androideabi-addr2line arm-linux-androideabi-ar arm-linux-androideabi-as arm-linux-androideabi-c++ arm-linux-androideabi-c++filt arm-linux-androideabi-cpp arm-linux-androideabi-elfedit arm-linux-androideabi-g++ arm-linux-androideabi-gcc arm-linux-androideabi-gcc-4.8 arm-linux-androideabi-gcc-ar arm-linux-androideabi-gcc-nm arm-linux-androideabi-gcc-ranlib arm-linux-androideabi-gcov arm-linux-androideabi-gdb arm-linux-androideabi-gprof arm-linux-androideabi-ld arm-linux-androideabi-ld.bfd arm-linux-androideabi-ld.gold arm-linux-androideabi-ld.mcld arm-linux-androideabi-nm arm-linux-androideabi-objcopy arm-linux-androideabi-objdump arm-linux-androideabi-ranlib arm-linux-androideabi-readelf arm-linux-androideabi-run arm-linux-androideabi-size arm-linux-androideabi-strings arm-linux-androideabi-strip </code></pre> <p>My cross-compile file is:</p> <pre><code>include(CMakeForceCompiler) set(toolchain_path /opt/ndk/toolchains) # Target system set(CMAKE_SYSTEM_NAME Linux) set(CMAKE_SYSTEM_PROCESSOR arm) set(CMAKE_SYSTEM_VERSION 1) # Compiler to build for the target set(CMAKE_C_COMPILER /opt/ndk/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc) set(CMAKE_FIND_ROOT_PATH /opt/ndk/toolchains) </code></pre> <p>I run this from my build/debug directory with my toolchain being in the root directory.</p> <pre><code>[ant@localhost debug]$ cmake -DCMAKE_TOOLCHAIN_FILE=arm-eabi-gcc.cmake ../.. </code></pre> <p>Output</p> <pre><code>-- The C compiler identification is GNU 4.8.0 -- Check for working C compiler: /opt/ndk/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc -- Check for working C compiler: /opt/ndk/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc -- broken CMake Error at /usr/share/cmake/Modules/CMakeTestCCompiler.cmake:61 (message): The C compiler "/opt/ndk/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc" is not able to compile a simple test program. It fails with the following output: Change Dir: /home/steve/mobile_progs/linux_pjsip/build/debug/CMakeFiles/CMakeTmp Run Build Command:/usr/bin/gmake "cmTryCompileExec379796592/fast" /usr/bin/gmake -f CMakeFiles/cmTryCompileExec379796592.dir/build.make CMakeFiles/cmTryCompileExec379796592.dir/build gmake[1]: Entering directory `/home/steve/mobile_progs/linux_pjsip/build/debug/CMakeFiles/CMakeTmp' /usr/bin/cmake -E cmake_progress_report /home/steve/mobile_progs/linux_pjsip/build/debug/CMakeFiles/CMakeTmp/CMakeFiles 1 Building C object CMakeFiles/cmTryCompileExec379796592.dir/testCCompiler.c.o /opt/ndk/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc -o CMakeFiles/cmTryCompileExec379796592.dir/testCCompiler.c.o -c /home/steve/mobile_progs/linux_pjsip/build/debug/CMakeFiles/CMakeTmp/testCCompiler.c Linking C executable cmTryCompileExec379796592 /usr/bin/cmake -E cmake_link_script CMakeFiles/cmTryCompileExec379796592.dir/link.txt --verbose=1 /opt/ndk/toolchains/arm-linux-androideabi-4.8/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc CMakeFiles/cmTryCompileExec379796592.dir/testCCompiler.c.o -o cmTryCompileExec379796592 -rdynamic /opt/android-ndk-r9/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 /opt/android-ndk-r9/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 /opt/android-ndk-r9/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 /opt/android-ndk-r9/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 gmake[1]: *** [cmTryCompileExec379796592] Error 1 gmake[1]: Leaving directory `/home/steve/mobile_progs/linux_pjsip/build/debug/CMakeFiles/CMakeTmp' gmake: *** [cmTryCompileExec379796592/fast] Error 2 CMake will not be able to correctly generate this project. Call Stack (most recent call first): CMakeLists.txt:4 (project) </code></pre> <p>Many thanks in advance,</p>
 

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