OpenWRT Cross Compiling: Difference between revisions
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* CentOS 8 | *CentOS 8, OpenWRT 17.07.3, Perl 5.28.1 | ||
* Perlbrew for matching the exact version of | *Directory: The default for most of the items below is the users "home" directory ( ~ ) | ||
** Nice tutorial for Perlbrew basics: https://www.digitalocean.com/community/tutorials/how-to-install-perlbrew-and-manage-multiple-versions-of-perl-5-on-centos-7 | *Perlbrew for matching the exact version of Perl on the router and controlling it easily: https://perlbrew.pl/ | ||
* Download pre-requisites for a Cross Compile Build system: https://openwrt.org/docs/guide-developer/build-system/install-buildsystem | **Nice tutorial for Perlbrew basics: https://www.digitalocean.com/community/tutorials/how-to-install-perlbrew-and-manage-multiple-versions-of-perl-5-on-centos-7 | ||
** EPEL repository needed for some: yum install <nowiki>https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm</nowiki> | **perlbrew list | ||
** yum install binutils bzip2 gcc gcc-c++ gawk gettext flex ncurses-devel zlib-devel zlib-static make patch unzip perl-ExtUtils-MakeMaker glibc glibc-devel glibc-static ncurses-libs sed sdcc intltool sharutils bison wget git-core openssl-devel xz | **perlbrew list-modules | ||
*** And of course some of the above (zlib-static, glibc-static, sdcc, shareutils) doesn't work and is also a bit ambivalent, so; | **perlbrew use NameOfVersion | ||
**** yum install zlib glibc-common glibc-devel glibc-headers glibc-langpack-en (sdcc (compiler for 8501 microcontroller) and shareutils (for specific encoding for paid RedHat subscribers) are not readily available for CentOS 8) | **perl -v: Verify current version used | ||
* Download OpenWRT Files (from https://openwrt.org/docs/guide-developer/build-system/install-buildsystem) | **Install a Perl Module: curl -L <nowiki>https://cpanmin.us</nowiki> | perl - Name::Name | ||
** git clone <nowiki>https://git.openwrt.org/openwrt/openwrt.git</nowiki> | *Download pre-requisites for a Cross Compile Build system: https://openwrt.org/docs/guide-developer/build-system/install-buildsystem | ||
**EPEL repository needed for some: yum install <nowiki>https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm</nowiki> | |||
**yum install binutils bzip2 gcc gcc-c++ gawk gettext flex ncurses-devel zlib-devel zlib-static make patch unzip perl-ExtUtils-MakeMaker glibc glibc-devel glibc-static ncurses-libs sed sdcc intltool sharutils bison wget git-core openssl-devel xz | |||
***And of course some of the above (zlib-static, glibc-static, sdcc, shareutils) doesn't work and is also a bit ambivalent, so; | |||
****yum install zlib glibc-common glibc-devel glibc-headers glibc-langpack-en (sdcc (compiler for 8501 microcontroller) and shareutils (for specific encoding for paid RedHat subscribers) are not readily available for CentOS 8) | |||
*If one wants to build firmware version of OpenWRT: Download OpenWRT Files (from https://openwrt.org/docs/guide-developer/build-system/install-buildsystem) | |||
**git clone <nowiki>https://git.openwrt.org/openwrt/openwrt.git</nowiki> | |||
*If one wants to build Perl and compile modules that include other libraries such as OpenSSL | |||
**yum install openssl-devel | |||
**Download the TAR package from CPAN | |||
**perl Makefile.PL | |||
**make | |||
**make test | |||
**make dist | |||
*OpenSSL Cross Compiling | |||
**https://stackoverflow.com/questions/15539062/cross-compiling-of-openssl-for-linux-arm-v5te-linux-gnueabi-toolchain | |||
**./Configure LIST | |||
**Header files should be in /usr/include | |||
*Compiling | |||
**file NameOfBinary: Shows information about binary file (opkg install file) | |||
** | |||