armhfクロスコンパイル環境を作る - Qiita をやってみます。
/etc/apt/sources.list.d/crosstools.list を追加します。
root@jessie:~# nano -w /etc/apt/sources.list.d/crosstools.list
deb http://emdebian.org/tools/debian/ jessie main
root@jessie:~# apt-get install curl Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: libcurl3 The following NEW packages will be installed: curl libcurl3 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. Need to get 459 kB of archives. After this operation, 933 kB of additional disk space will be used. Do you want to continue? [Y/n] Get:1 http://ftp.jaist.ac.jp/debian/ jessie/main libcurl3 amd64 7.38.0-4+deb8u2 [259 kB] Get:2 http://ftp.jaist.ac.jp/debian/ jessie/main curl amd64 7.38.0-4+deb8u2 [200 kB] Fetched 459 kB in 3s (116 kB/s) Selecting previously unselected package libcurl3:amd64. (Reading database ... 31327 files and directories currently installed.) Preparing to unpack .../libcurl3_7.38.0-4+deb8u2_amd64.deb ... Unpacking libcurl3:amd64 (7.38.0-4+deb8u2) ... Selecting previously unselected package curl. Preparing to unpack .../curl_7.38.0-4+deb8u2_amd64.deb ... Unpacking curl (7.38.0-4+deb8u2) ... Processing triggers for man-db (2.7.0.2-5) ... Setting up libcurl3:amd64 (7.38.0-4+deb8u2) ... Setting up curl (7.38.0-4+deb8u2) ... Processing triggers for libc-bin (2.19-18+deb8u1) ...
root@jessie:~# curl http://emdebian.org/tools/debian/emdebian-toolchain-archive.key | apt-key add -
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 2398 100 2398 0 0 394 0 0:00:06 0:00:06 --:--:-- 524
OK
root@jessie:~# dpkg --add-architecture armhf
root@jessie:~# apt-get update Ign http://ftp.jaist.ac.jp jessie InRelease Hit http://ftp.jaist.ac.jp jessie-updates InRelease Hit http://ftp.jaist.ac.jp jessie Release.gpg Hit http://ftp.jaist.ac.jp jessie Release Hit http://ftp.jaist.ac.jp jessie-updates/main Sources Hit http://ftp.jaist.ac.jp jessie-updates/contrib Sources Get:1 http://ftp.jaist.ac.jp jessie-updates/main amd64 Packages/DiffIndex [367 B] Hit http://ftp.jaist.ac.jp jessie-updates/contrib amd64 Packages Hit http://ftp.jaist.ac.jp jessie-updates/contrib Translation-en Hit http://ftp.jaist.ac.jp jessie-updates/main Translation-en Hit http://ftp.jaist.ac.jp jessie/main Sources Hit http://security.debian.org jessie/updates InRelease Hit http://ftp.jaist.ac.jp jessie/main amd64 Packages Hit http://ftp.jaist.ac.jp jessie/main Translation-en Hit http://security.debian.org jessie/updates/main Sources Hit http://security.debian.org jessie/updates/contrib Sources Hit http://security.debian.org jessie/updates/main amd64 Packages Get:2 http://emdebian.org jessie InRelease [30.7 kB] Hit http://security.debian.org jessie/updates/contrib amd64 Packages Hit http://security.debian.org jessie/updates/contrib Translation-en Hit http://security.debian.org jessie/updates/main Translation-en Get:3 http://emdebian.org jessie/main amd64 Packages [14.8 kB] Ign http://emdebian.org jessie/main Translation-en_US Ign http://emdebian.org jessie/main Translation-en Fetched 45.9 kB in 4s (9,391 B/s) Reading package lists... Done
root@jessie:~# apt-cache search crossbuild crossbuild-essential-arm64 - Informational list of cross-build-essential packages crossbuild-essential-armel - Informational list of cross-build-essential packages crossbuild-essential-armhf - Informational list of cross-build-essential packages crossbuild-essential-mipsel - Informational list of cross-build-essential packages crossbuild-essential-powerpc - Informational list of cross-build-essential packages crossbuild-essential-ppc64el - Informational list of cross-build-essential packages
root@jessie:~# apt-get install crossbuild-essential-armhf Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: binutils binutils-arm-linux-gnueabihf build-essential cpp cpp-4.9 cpp-4.9-arm-linux-gnueabihf dpkg-cross dpkg-dev fakeroot g++ g++-4.9 g++-4.9-arm-linux-gnueabihf g++-arm-linux-gnueabihf gcc gcc-4.9 gcc-4.9-arm-linux-gnueabihf gcc-4.9-base:armhf gcc-arm-linux-gnueabihf libalgorithm-diff-perl libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan1 libasan1:armhf libatomic1 libatomic1:armhf libc-dev-bin libc6:armhf libc6-dev libc6-dev:armhf libcilkrts5 libcloog-isl4 libconfig-auto-perl libconfig-inifiles-perl libdebian-dpkgcross-perl libdpkg-perl libfakeroot libfile-fcntllock-perl libfile-homedir-perl libfile-which-perl libgcc-4.9-dev libgcc-4.9-dev:armhf libgcc1:armhf libgomp1 libgomp1:armhf libisl10 libitm1 liblist-moreutils-perl liblsan0 libmpc3 libmpfr4 libquadmath0 libstdc++-4.9-dev libstdc++-4.9-dev:armhf libstdc++6:armhf libtsan0 libubsan0 libubsan0:armhf libxml-simple-perl libyaml-libyaml-perl libyaml-perl linux-libc-dev linux-libc-dev:armhf make manpages-dev Suggested packages: binutils-doc cpp-doc gcc-4.9-locales binutils-multiarch debian-keyring g++-multilib g++-4.9-multilib gcc-4.9-doc libstdc++6-4.9-dbg libstdc++6-4.9-dbg:armhf gcc-multilib autoconf automake libtool flex bison gdb gcc-doc gcc-4.9-multilib libgcc1-dbg libgomp1-dbg libitm1-dbg libatomic1-dbg libasan1-dbg liblsan0-dbg libtsan0-dbg libubsan0-dbg libcilkrts5-dbg libquadmath0-dbg libgcc1-dbg:armhf libgomp1-dbg:armhf libitm1-dbg:armhf libatomic1-dbg:armhf libasan1-dbg:armhf liblsan0-dbg:armhf libtsan0-dbg:armhf libubsan0-dbg:armhf libcilkrts5-dbg:armhf libquadmath-dbg:armhf glibc-doc:armhf locales:armhf glibc-doc manpages-dev:armhf libstdc++-4.9-doc libstdc++-4.9-doc:armhf libyaml-shell-perl make-doc The following NEW packages will be installed: binutils binutils-arm-linux-gnueabihf build-essential cpp cpp-4.9 cpp-4.9-arm-linux-gnueabihf crossbuild-essential-armhf dpkg-cross dpkg-dev fakeroot g++ g++-4.9 g++-4.9-arm-linux-gnueabihf g++-arm-linux-gnueabihf gcc gcc-4.9 gcc-4.9-arm-linux-gnueabihf gcc-4.9-base:armhf gcc-arm-linux-gnueabihf libalgorithm-diff-perl libalgorithm-diff-xs-perl libalgorithm-merge-perl libasan1 libasan1:armhf libatomic1 libatomic1:armhf libc-dev-bin libc6:armhf libc6-dev libc6-dev:armhf libcilkrts5 libcloog-isl4 libconfig-auto-perl libconfig-inifiles-perl libdebian-dpkgcross-perl libdpkg-perl libfakeroot libfile-fcntllock-perl libfile-homedir-perl libfile-which-perl libgcc-4.9-dev libgcc-4.9-dev:armhf libgcc1:armhf libgomp1 libgomp1:armhf libisl10 libitm1 liblist-moreutils-perl liblsan0 libmpc3 libmpfr4 libquadmath0 libstdc++-4.9-dev libstdc++-4.9-dev:armhf libstdc++6:armhf libtsan0 libubsan0 libubsan0:armhf libxml-simple-perl libyaml-libyaml-perl libyaml-perl linux-libc-dev linux-libc-dev:armhf make manpages-dev 0 upgraded, 65 newly installed, 0 to remove and 0 not upgraded. Need to get 77.8 MB of archives. After this operation, 253 MB of additional disk space will be used. Do you want to continue? [Y/n]
root@jessie:~# arm-linux-gnueabihf-gcc -v Using built-in specs. COLLECT_GCC=arm-linux-gnueabihf-gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/arm-linux-gnueabihf/4.9/lto-wrapper Target: arm-linux-gnueabihf Configured with: ../src/configure -v --with-pkgversion=' 4.9.2-10' --with-bugurl=file:///usr/share/doc/gcc-4.9/README.Bugs --enable-languages=c,c++,go,fortran,objc --prefix=/usr --program-suffix=-4.9 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --with-gxx-include-dir=/usr/include/c++/4.9 --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --enable-gnu-unique-object --disable-libitm --disable-libquadmath --enable-plugin --with-system-zlib --enable-objc-gc --enable-multiarch --disable-sjlj-exceptions --with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=hard --with-mode=thumb --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=arm-linux-gnueabihf --program-prefix=arm-linux-gnueabihf- Thread model: posix gcc version 4.9.2 ( 4.9.2-10) root@jessie:~#
『Hello, World!』的な単純なコードをクロスコンパイルし、MA-E320 実機に転送して実行できるか試してみます。
ビルドします。
root@jessie:~# arm-linux-gnueabihf-gcc -O2 -Wall hello.c -o hello root@jessie:~# ls -l hello -rwxr-xr-x 1 root root 5416 Jan 8 14:30 hello root@jessie:~# file hello hello: ELF 32-bit LSB executable, ARM, EABI5 version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux-armhf.so.3, for GNU/Linux 2.6.32, BuildID[sha1]=388d399d609ced3b732f5e7c9e01ff90507754a1, not stripped
MA-E320 実機 に転送します。
root@jessie:~# sftp user1@192.168.253.35 The authenticity of host '192.168.253.35 (192.168.253.35)' can't be established. ECDSA key fingerprint is 25:33:3b:8d:99:f4:ae:72:88:51:cc:75:52:cd:20:69. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added '192.168.253.35' (ECDSA) to the list of known hosts. user1@192.168.253.35's password: Connected to 192.168.253.35. sftp> cd /tmp sftp> put hello Uploading hello to /tmp/hello hello 100% 5416 5.3KB/s 00:00 sftp> quit
MA-E320 で実行してみます。
root@plum:/tmp# ls -l hello -rwxr-xr-x 1 user1 user1 5416 Jan 8 14:27 hello root@plum:/tmp# ./hello Hello!
単純なプログラムはクロスコンパイラでビルドできました。
様々なライブラリをリンクするプログラムの場合、ライブラリのヘッダや共有ライブラリがリンク時に必要となるため、
このように簡単にはビルドできません。
もし難しいようであれば、実機でのセルフビルドもしくは 『PC上で root filesystem を変更する(QEMU使用)』 でchrootした環境でのビルドをお勧めします。