wiki:TipAndDoc/Linux/OpenWRT/CrossCompile

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Version 4 (modified by mitty, 12 years ago) (diff)
--

buildroot
build others

buildroot

Ubuntu 12.04 LTS x86_64

mitty@precise:~$ sudo aptitude install subversion build-essential libncurses5-dev zlib1g-dev gawk gcc-multilib flex git-core gettext libssl-dev xsltproc bison

mitty@precise:~$ mkdir openwrt

mitty@precise:~/openwrt$ svn co svn://svn.openwrt.org/openwrt/trunk/
```
(snip)

 U   trunk
Checked out revision 32026.
```

mitty@precise:~/openwrt/trunk$ wget http://downloads.openwrt.org/snapshots/trunk/ar71xx/config
mitty@precise:~/openwrt$ cp config trunk/.config

mitty@precise:~/openwrt/trunk$ make prereq

Collecting package info: done
Collecting target info: done
Checking 'working-make'... ok.
Checking 'case-sensitive-fs'... ok.
Checking 'getopt'... ok.
Checking 'fileutils'... ok.
Checking 'working-gcc'... ok.
Checking 'working-g++'... ok.
Checking 'ncurses'... ok.
Checking 'zlib'... ok.
Checking 'gawk'... ok.
Checking 'flex'... ok.
Checking 'unzip'... ok.
Checking 'bzip2'... ok.
Checking 'patch'... ok.
Checking 'perl'... ok.
Checking 'python'... ok.
Checking 'wget'... ok.
Checking 'git'... ok.
Checking 'gnutar'... ok.
Checking 'svn'... ok.
Checking 'gnu-find'... ok.
Checking 'getopt-extended'... ok.
Checking 'non-root'... ok.

mitty@precise:~/openwrt/trunk$ make -j 5 V=99 2>&1 | tee build.log | grep -i error

(snip)

make[2]: [package/rootfs-prepare] Error 2 (ignored)
Compression errors: 0
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wp543.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wp543.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wp543.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wp543.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wpe72.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
Compression errors: 0
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wp543.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wp543.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wp543.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wp543.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
[mkmylofw] Error: file /home/mitty/openwrt/trunk/build_dir/linux-ar71xx_generic/tmp/vmlinux-wpe72.bin.lzma is too big
make[5]: [install] Error 1 (ignored)
make[3]: [/home/mitty/openwrt/trunk/bin/ar71xx/OpenWrt-ImageBuilder-ar71xx_generic-for-Linux-x86_64.tar.bz2] Error 1 (ignored)
make[3]: [/home/mitty/openwrt/trunk/bin/ar71xx/OpenWrt-ImageBuilder-ar71xx_generic-for-Linux-x86_64.tar.bz2] Error 1 (ignored)

mitty@precise:~/openwrt$ cat > test.c

#include <stdio.h>

int main(void) {
        printf("char        -> %ld\n", sizeof(char));
        printf("short       -> %ld\n", sizeof(short));
        printf("int         -> %ld\n", sizeof(int));
        printf("long        -> %ld\n", sizeof(long));
        printf("long long   -> %ld\n", sizeof(long long));
        printf("float       -> %ld\n", sizeof(float));
        printf("double      -> %ld\n", sizeof(double));
        printf("long double -> %ld\n", sizeof(long double));

        return 0;
}

mitty@precise:~/openwrt$ gcc test.c -o test.x86

mitty@precise:~/openwrt$ ./trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/bin/mips-openwrt-linux-gcc test.c -o test

mips-openwrt-linux-gcc: warning: environment variable 'STAGING_DIR' not defined
mips-openwrt-linux-gcc: warning: environment variable 'STAGING_DIR' not defined
mips-openwrt-linux-gcc: warning: environment variable 'STAGING_DIR' not defined

mitty@precise:~/openwrt$ file test test.x86

test:     ELF 32-bit MSB executable, MIPS, MIPS32 rel2 version 1, dynamically linked (uses shared libs), with unknown capability 0x41000000 = 0xf676e75, with unknown capability 0x10000 = 0x70403, not stripped
test.x86: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.24, BuildID[sha1]=0x53177842cbc614b1f4c71bae24df294892906443, not stripped

mitty@precise:~/openwrt$ ./test.x86

char        -> 1
short       -> 2
int         -> 4
long        -> 8
long long   -> 8
float       -> 4
double      -> 8
long double -> 16

mitty@precise:~/openwrt$ ./test

bash: ./test: cannot execute binary file

mitty@starseed:~$ uname -a

Linux starseed 3.3.6 #1 Thu May 17 02:19:20 PDT 2012 mips GNU/Linux

mitty@starseed:~$ ./test

char        -> 1
short       -> 2
int         -> 4
long        -> 4
long long   -> 8
float       -> 4
double      -> 8
long double -> 8

build others

utvpn

mitty@precise:~/openwrt/trunk/package$ svn co https://lab.mitty.jp/svn/lab/trunk/Dev/utvpn/utvpn-unix-v101-7101-public utvpn

mitty@precise:~/openwrt/trunk/package/utvpn$ ./configure

-------------------------------------------------------------
SoftEther UT-VPN for Unix

Copyright (C) 2004-2010 SoftEther Corporation.
Copyright (C) 2004-2010 University of Tsukuba, Japan.
Copyright (C) 2003-2010 Daiyuu Nobori. All Rights Reserved.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
-------------------------------------------------------------

Please select your Operating System below:
 1: Linux
 2: FreeBSD
 3: Solaris
 4: Mac OS X

Which is your operating system (1-4):
1

Please select your CPU Bits below:
 1: 32-bit
 2: 64-bit

Which is the bits of your CPU (1-2):
1

Makefile is generated. Please execute 'make' to build UT-VPN.

mitty@precise:~/openwrt/trunk/package/utvpn$ sha1sum Makefile makefiles/linux_32bit_ja.mak
```
5d63c1cbb04ef9a3ecc6d4b8f1150cac20fbfa9d  Makefile
5d63c1cbb04ef9a3ecc6d4b8f1150cac20fbfa9d  makefiles/linux_32bit_ja.mak
```
- Makefileは単純にcpしているだけ

mitty@precise:~/openwrt/trunk/package/utvpn$ svn cp makefiles/linux_32bit_ja.mak Makefile

build with gcc for mips

mitty@precise:~/openwrt/trunk/package/utvpn$ export PATH=$PATH:~/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/bin/

mitty@precise:~/openwrt/trunk/package/utvpn$ make CC=mips-openwrt-linux-gcc LD=mips-openwrt-linux-ld

mips-openwrt-linux-gcc -DNDEBUG -DVPN_SPEED -DUNIX -DUNIX_LINUX -D_REENTRANT -DREENTRANT -D_THREAD_SAFE -D_THREADSAFE -DTHREAD_SAFE -DTHREADSAFE -I./src/ -I./src/Cedar/ -I./src/Mayaqua/ -O2 -fsigned-char -c src/Mayaqua/Cfg.c -o tmp/objs/Mayaqua/Cfg.o
mips-openwrt-linux-gcc: warning: environment variable 'STAGING_DIR' not defined
In file included from src/Mayaqua/Cfg.c:90:0:
./src/Mayaqua/Mayaqua.h:219:31: fatal error: readline/readline.h: No such file or directory
compilation terminated.
make: *** [tmp/objs/Mayaqua/Cfg.o] Error 1

mitty@precise:~$ sudo aptitude install -R libssl-dev libreadline-dev libncurses-dev

mitty@precise:~/openwrt/trunk/package/utvpn$ export STAGING_DIR=~/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/

mitty@precise:~/openwrt/trunk/package/utvpn$ make CC=mips-openwrt-linux-gcc LD=mips-openwrt-linux-ld

(snip)

mips-openwrt-linux-gcc tmp/as/Ham.a -O2 -fsigned-char -lm -ldl -lrt -lpthread -lssl -lcrypto -lreadline -lncurses -lz -o output/ham/ham
/home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/lib/gcc/mips-openwrt-linux-uclibc/4.6.3/../../../../mips-openwrt-linux-uclibc/bin/ld: cannot find -lssl
/home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/lib/gcc/mips-openwrt-linux-uclibc/4.6.3/../../../../mips-openwrt-linux-uclibc/bin/ld: cannot find -lcrypto
/home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/lib/gcc/mips-openwrt-linux-uclibc/4.6.3/../../../../mips-openwrt-linux-uclibc/bin/ld: cannot find -lreadline
/home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/lib/gcc/mips-openwrt-linux-uclibc/4.6.3/../../../../mips-openwrt-linux-uclibc/bin/ld: cannot find -lncurses
/home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/lib/gcc/mips-openwrt-linux-uclibc/4.6.3/../../../../mips-openwrt-linux-uclibc/bin/ld: cannot find -lz
collect2: ld returned 1 exit status

zlib

How to Cross Compile Zlib Compression Library - Step by Step Guide (crosscompile.org)

mitty@precise:~$ export PATH=$PATH:~/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/bin/
mitty@precise:~$ export STAGING_DIR=~/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/

mitty@precise:~/openwrt$ wget http://zlib.net/zlib-1.2.7.tar.gz
mitty@precise:~/openwrt/zlib-1.2.7$ ./configure --prefix=$STAGING_DIR

mitty@precise:~/openwrt/zlib-1.2.7$ vim Makefile

Makefile

-                      old
+                      new
 # To install in $HOME instead of /usr/local, use:
 #    make install prefix=$HOME
 CC=gcc
+CC=mips-openwrt-linux-gcc
 CFLAGS=-O3  -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN
 #CFLAGS=-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7
 …
 SFLAGS=-O3  -fPIC -D_LARGEFILE64_SOURCE=1 -DHAVE_HIDDEN
 LDFLAGS=
 TEST_LDFLAGS=-L. libz.a
 LDSHARED=gcc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map
 CPP=gcc -E
+LDSHARED=mips-openwrt-linux-gcc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map
+CPP=mips-openwrt-linux-gcc -E
 STATICLIB=libz.a
 SHAREDLIB=libz.so
 …
 SHAREDLIBM=libz.so.1
 LIBS=$(STATICLIB) $(SHAREDLIBV)
 AR=ar
+AR=mips-openwrt-linux-ar
 ARFLAGS=rc
 RANLIB=ranlib
+RANLIB=mips-openwrt-linux-ranlib
 LDCONFIG=ldconfig
 LDSHAREDLIBC=-lc
 TAR=tar

mitty@precise:~/openwrt/zlib-1.2.7$ make

mitty@precise:~/openwrt/zlib-1.2.7$ make install

cp libz.a /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//lib
chmod 644 /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//lib/libz.a
cp libz.so.1.2.7 /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//lib
chmod 755 /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//lib/libz.so.1.2.7
cp zlib.3 /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//share/man/man3
chmod 644 /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//share/man/man3/zlib.3
cp zlib.pc /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//lib/pkgconfig
chmod 644 /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//lib/pkgconfig/zlib.pc
cp zlib.h zconf.h /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//include
chmod 644 /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//include/zlib.h /home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2//include/zconf.h

openssl

How to Cross Compile OpenSSL a Step by Step Guide (crosscompile.org)

mitty@precise:~/openwrt$ wget http://www.openssl.org/source/openssl-1.0.1c.tar.gz

mitty@precise:~/openwrt/openssl-1.0.1c$ vim Makefile

Makefile

-                      old
+                      new
 # for, say, /usr/ and yet have everything installed to /tmp/somedir/usr/.
 # Normally it is left empty.
 INSTALL_PREFIX=
 INSTALLTOP=/usr/local/ssl
+INSTALLTOP=/home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/
 # Do not edit this manually. Use Configure --openssldir=DIR do change this!
 OPENSSLDIR=/usr/local/ssl
+OPENSSLDIR=/home/mitty/openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/
 # NO_IDEA - Define to build without the IDEA algorithm
 # NO_RC4  - Define to build without the RC4 algorithm
 …
 # equal 4.
 # PKCS1_CHECK - pkcs1 tests.
 CC= cc
+CC= mips-openwrt-linux-gcc
 CFLAG= -O
 DEPFLAG= -DOPENSSL_NO_EC_NISTP_64_GCC_128 -DOPENSSL_NO_GMP -DOPENSSL_NO_JPAKE -DOPENSSL_NO_MD2 -DOPENSSL_NO_RC5 -DOPENSSL_NO_RFC3779 -DOPENSSL_NO_SCTP -DOPENSSL_NO_STORE
 PEX_LIBS=
 EX_LIBS=
 EXE_EXT=
 ARFLAGS=
 AR= ar $(ARFLAGS) r
 RANLIB= /usr/bin/ranlib
+AR= mips-openwrt-linux-ar $(ARFLAGS) r
+RANLIB= mips-openwrt-linux-ranlib
 NM= nm
 PERL= /usr/bin/perl
 TAR= tar

mitty@precise:~/openwrt/openssl-1.0.1c$ make
mitty@precise:~/openwrt/openssl-1.0.1c$ make install

mitty@precise:~$ file openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/bin/openssl

openwrt/trunk/staging_dir/toolchain-mips_r2_gcc-4.6-linaro_uClibc-0.9.33.2/bin/openssl: ELF 32-bit MSB executable, MIPS, MIPS32 rel2 version 1, dynamically linked (uses shared libs), with unknown capability 0x41000000 = 0xf676e75, with unknown capability 0x10000 = 0x70403, not stripped

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