dockcross testing

build.sh

#!/bin/bash 
set -x

function dockcross_build {
   docker run --rm dockcross/linux-$1 > dockcross-linux-$1
   chmod +x dockcross-linux-$1
   ./dockcross-linux-$1 bash -c '$CXX -std=c++11 helloworld.cpp'
   mv a.out $1
}

dockcross_build armv6
dockcross_build armv7
dockcross_build armv7a
dockcross_build arm64

helloworld.cpp

#include <iostream>
#include <string>

int main() {
    std::string plat= "unknown";
    #if defined(_WIN32)
        plat= "win";
    #elif defined(__APPLE__)
        plat= "mac";
    #elif defined(__unix__)
        plat= "unix";
    #endif

    std::string arch= "unknown";
    #if defined(__i386__) || defined(_M_IX86)
        arch="x86";
    #elif defined(__x86_64__) || defined(_M_X64)
        arch="x86_64";
    #elif defined(__arm__) || defined(_M_ARM)
        arch="arm";
    #elif defined(__aarch64__) || defined(_M_ARM64)
        arch="arm64";
    #endif

    std::string compiler= "unknown";
    int compilerVer= 0;
    #if defined(__GNUC__)
        compiler= "gnu";
        compilerVer= __GNUC__;
    #elif defined(__clang__)
        compiler= "clang";
        compilerVer= __clang_major__;
    #elif defined(_MSC_VER)
        compiler= "msvc";
        compilerVer= _MSC_VER;
    #endif

    std::cout << "hello world from "
              << plat << " " << arch << " "
              << compiler << " v" << compilerVer << std::endl;

    return 0;
}

run.sh

set -x

docker run --rm -w$PWD -v$HOME:$HOME multiarch/ubuntu-core:armhf-trusty ./armv6
docker run --rm -w$PWD -v$HOME:$HOME multiarch/ubuntu-core:armhf-trusty ./armv7
docker run --rm -w$PWD -v$HOME:$HOME multiarch/ubuntu-core:armhf-trusty ./armv7a
docker run --rm -w$PWD -v$HOME:$HOME multiarch/ubuntu-core:arm64-trusty ./arm64

Running the above files:

➜  ./build.sh 

+ dockcross_build armv6
+ docker run --rm dockcross/linux-armv6
+ chmod +x dockcross-linux-armv6
+ ./dockcross-linux-armv6 bash -c '$CXX -std=c++11 helloworld.cpp'
+ mv a.out armv6

+ dockcross_build armv7
+ docker run --rm dockcross/linux-armv7
+ chmod +x dockcross-linux-armv7
+ ./dockcross-linux-armv7 bash -c '$CXX -std=c++11 helloworld.cpp'
+ mv a.out armv7

+ dockcross_build armv7a
+ docker run --rm dockcross/linux-armv7a
+ chmod +x dockcross-linux-armv7a
+ ./dockcross-linux-armv7a bash -c '$CXX -std=c++11 helloworld.cpp'
+ mv a.out armv7a

+ dockcross_build arm64
+ docker run --rm dockcross/linux-arm64
+ chmod +x dockcross-linux-arm64
+ ./dockcross-linux-arm64 bash -c '$CXX -std=c++11 helloworld.cpp'
+ mv a.out arm64


➜  ./run.sh 

+ docker run --rm -w/home/paleozogt/Development/test/dockcross-test -v/home/paleozogt:/home/paleozogt multiarch/ubuntu-core:armhf-trusty ./armv6
hello world from unix arm gnu v4

+ docker run --rm -w/home/paleozogt/Development/test/dockcross-test -v/home/paleozogt:/home/paleozogt multiarch/ubuntu-core:armhf-trusty ./armv7
hello world from unix arm gnu v4

+ docker run --rm -w/home/paleozogt/Development/test/dockcross-test -v/home/paleozogt:/home/paleozogt multiarch/ubuntu-core:armhf-trusty ./armv7a
./armv7a: /usr/lib/arm-linux-gnueabihf/libstdc++.so.6: version `GLIBCXX_3.4.21' not found (required by ./armv7a)

+ docker run --rm -w/home/paleozogt/Development/test/dockcross-test -v/home/paleozogt:/home/paleozogt multiarch/ubuntu-core:arm64-trusty ./arm64
hello world from unix arm64 gnu v4