Ok. Let’s start again by writing down our problem: Now, in this stage, you have all the required SDK components in place. $ mipsel-openwrt-linux-gcc -o hello.mipsel hello.c Connect the USB stick and copy the file system to it in order not to be dependent on the size of flash memory in the router. “download” the sources from a proper repository and put them somewhere inside the SDK folder structure; “download” some additional files (among of which, unfortunately, a file named Makefile…that is a really different thing with respect to the Makefiles included in the tcpdump sources, related to the autoconf cicle); “download” every required packages (tcpdump requires libpcap, so the libpcap packages is “installed” as well). and it refers to the whole folder (/usr/local/src/SOABIT_OWRT_REPO) and not to the Makefile. Hi, So I have this TP-Link WR740N, on which I installed OpenWrt. As pmacct has plenty of “configure” options, due to typical OpenWRT constraint (low resources) I disabled lots of unneeded options. This sounds like a wrong (bugged?) The versions of the packages are not even changing. Copy the Packages file to the router: $ scp Packages email@example.com:/var/opkg-lists/packages. : rebuild an already existing package or building a new package from scratch). OpenWrt (from open wireless router) is an open-source project for embedded operating systems based on Linux, primarily used on embedded devices to route network traffic. * via commandline * See OPKG Examples to get you started * See OPKG for in-depth explanation * via GUI / LuCi * System -> Software -> Update lists * Filter for the device you are searching for * Click Available packages Lines 30-34: before building pmacct for OpenWRT I tried building it for a “standard” Linux environment. let’s check if we have the REAL packages: Yes!!! Then I found some ways to install and use packages from localhost i.e. For various reasons, last week I decided to run on it a software (pmacct, indeed) that was NOT included in the official package repository. The OpenWRT page does come with a warning about upgrading all packages, but also provides details on how to do it: Thanks, hit me up using my email when you’re done. I’m NOT going to describe above file in detail…. Thank you so much Damiano! It may seem stupid but it’s worth mentioning if anyone has the same problem. Hi there, thanks for a very informative post about building your own package from source code. Then let’s confirm “.config” as the filename to save, and then simply exit until getting back to prompt. In order to keep things under control, multiple feeds have been created so to “group”/”classify” the various package repositories. Anyway I’d start checking two things: 1) that your executable is really an executable built for the Armada385/ARM platform; 2) that you build a “static” binary, so that it (the binary) do **NOT** require additional files (aka: dynamic libraries). Before moving on, make sure opkg does not use any deprecated URL by tryin… using both che x86 compiler and the MIPS one. So I promptly downloaded the SDK version provided for the WDR4300 platform (ar71xx/generic) and got ready to use it: To start experimenting with the SDK, as told by official instruction, I defined: In order to make some test, I decided to focus on the classic helloworld.c. make: *** No rule to make target ‘mipsel/sha1.o’, needed by ‘link’. Actually, you need an opkg update . /openwrt/openwrt-sdk-18.06.4-ramips-mt76x8_gcc-7.3.0_musl.Linux-x86_64/staging_dir/toolchain-mipsel_24kc_gcc-7.3.0_musl/bin/mipsel-openwrt-linux-gcc: line 5: /openwrt/openwrt-sdk-18.06.4-ramips-mt76x8_gcc-7.3.0_musl.Linux-x86_64/staging_dir/toolchain-mipsel_24kc_gcc-7.3.0_musl/bin/../../host/lib/ld-linux-x86-64.so.2: cannot execute binary file: Exec format error My WDR4300 is powered by a MIPS-based CPU: So, I needed to build an executable to run on a “MIPS 74Kc V4.12” CPU. Is that correct? android apache C code cpanel decode desire disk encode extension extract fix free game hosting htc introduction java linux matlab 7 mod_rewrite mysql number conversion opencv OpenWRT php pixel programming redirect router shell skype social media syntax highlighter ubuntu upgrade url url shortener utf-8 video virtualbox virtualization VPN windows 7 wordpress I’m strugling with it but still can’t get it to work… (…and, please, leave comments below!). Than “SAVE”. Such a behaviour is definitely possibile: I’m also sure that you know as well, that just before start working with the opkg package manager, you need to UPDATE the list of available packages. If you want to use serial access instead, read my article here. Remember: we want to rebuild ONLY tcpdump! Or is it possible, since I have the .so file to copy it into the staging directory and use it from there? Probably a simple thing but beyond my intuition. “refresh” our feeds (so to be sure that our new repository… and related new package… are recognized by the SDK); “install” the pmacct file (so that the SDK will be ready to “build” it). I compiled the helloworld.arm successfully on my Linux box (the x86 version worked fine), but when I run it on my router, it says: I checked the file is there and that is has the execute bit… Any ideas on what I’m doing wrong? You should go ahead and ssh into your router as root (same login used for the LuCI web interface). Its functionality and purpose are comparable to apt on Debian-based systems. Like most Linux distributions (or mobile device operating systems like say Android or iOS), the functionality of the system can be upgraded rather significantly by downloading and installing pre-made packages from package repositories (local or on the Internet). Think I didn't have the latest snapshot after all. Opkg attempts to resolve dependencies with packages in the repositories – if this fails, it will report an error, and abort the installation of that package. The Router has been reset (OpenWrt 15.05). “Packages”, “Package repositories” and “OpenWRT feeds” I’m sure you already know about “OpenWRT packages”. You can check the official package, here: If you are not going to modify the packages themselves, just create an image with a specific list of packages, you can use the image builder instead: Using the Image Builder The Image Builder (previously called the Image Generator) is a pre-compiled environment suitable for creating custom images without the need for compiling them from source. Here it is: As you can see, my own repository is going to be defined inside the SOABIT_OWRT_REPO folder. What is missing is “the package” that the SDK is expecting for the rebuilding activity. As for 1), it should be enough to launch an “file ”. So…. I’m using a Linksys WRT32x which is using an ARMv7 Processor rev 1. Thank you very much! Another command that opens a window to choose downloaded zip or tar.gz source files is: As I already stated above, the official documentation is quite oversimplied as the “Makefile” it provide is for the “simple” helloworld.c file and… as you know, now, our “pmacct” is quite a different beast. How? As soon as I moved such a MIPS-binary to my WDR4300…. If you would like to skip the whole thing, download the premade snapshot, and install the it looks to me that the nft-qos is aready packaged in the official kernel, as reported in your link. The object is sent down the pipeline and Install-Package installs the package on the local computer. Ok, I figured out this: The error only occurs in 32bit linux machines. I deleted the whole openwrt-folder and started from scratch with "git clone https://github.com/openwrt/openwrt.git", "./scripts/feeds update -a", "./scripts/feeds install -a" and stuff like that, I tried to upgrade and thought "./scripts/feeds update -a" and "./scripts/feeds install -a" would be enough and after that just do a "make menuconfig" and "make -j5". Feel free to add details regarding your problem: I’ll to my best to help you , I may be late on this but remember the linux command: file, it will give you a lot of information about your executeable(?) You can see the package dependencies for wireguard at https://openwrt.org/packages/pkgdata/wireguard. Thanks. This is exactly where the Official OpenWRT SDK come to help, as it’s described with: “The SDK is a pre-compiled toolchain designed to cross compile packages for a specific target“. Hopefully. If these packages are not found in the official feed/repo for your version of OpenWrt/LEDE Project, you will need to add a custom repo to your router following instructions on GitHub/jsDelivr first.. The compiler stated that I was missing a Makefile or target to make. Obviously I double-checked that the calculated URL is working properly; Lines 17: this is the SHA256 checksum of the downloaded “.tgz”. That's what i did and worked fine. It’s amazing that, once connected via SSH, you simply launch an opkg install tcpdump and in a few seconds you get the “tcpdump” package downloaded and installed on your box. I’m sure you already guessed one of such actions: updating the feeds, so that the SDK for itself will know WHERE to download packages sources, should it need some of then during the rebuilding and/or compiling activities. So we simply create the new “feeds.conf” file and add, inside, what we need for our own purposes. I noticed that a few of my packages have exactly the same installed time, so busybox would be the only package excluded from the output list. It wasnt even in the list when I booted up the RPi4/openwrt and looked in the installed software-menu in LuCI. OpenWrt packages feed Description. The final file structure for our own repo should be like this: Having a router on a pc ma… Guide to install OpenVPN for OpenWrt 1. Think there is a git-command, like "git upgrade" and then check status with "git status". Unfortunately it’s not easy to “guess” the exact problem you’re facing. I already knew that building a software to run on my WDR4300 were going to be not an easy task. First, connect to LUCI (the interface on your router) by going through your browser. opkg update opkg install transmission-web. Any ideas how I do to just update to latest version before I want to make a fresh install instead of deleting the whole openwrt-map and start all over again? Because the PMACCT tool is available only as a “.tar.gz” and is NOT packaged inside some of the existing OpenWRT repositories. Maybe You can help me now. after several hours of deep searches allaround the web; after several reverse-engineering of “Makefile” included in official, existing, packages (remember the “./scripts/feeds install tcpdump” command? Ok. The second has been automatically built by the SDK as it’s a REQUIRED DEPENDENCY for tcpdump. Thanks for this great post. If i do $file pistache/src/libpistache.so.0.0.001 it says: If you let me know, I’d be glad to further explicit the whole point. To install package from local source file: install.packages(path_to_source, repos = NULL, type="source") install.packages("~/Downloads/dplyr-master.zip", repos=NULL, type="source") Here, path_to_source is absolute path of local source file. The content is now Example 2 on the Unbound services page on the new wiki and has been updated to work on … So long, that we don’t want to wait! This is documented in the openwrt docs, but was ambiguous for me to understand. Save my name, email, and website in this browser for the next time I comment. Disclaimer: in order to keep this post as short as possible, I’m going to be slightly technical. Unfortunately “cross-compilation” capabilities needs to be explicitly included inside GCC so… this means that you need a specific version (better: a specific “build”) of GCC. Make menuconfig will bring a GUI to select various parameters before initiating the build process such as – Target build system & subsystem; Packages required to be part of the build – Base packages, packages required for system administration, development packages & extra packages. Why? Please note that the feeds.conf file is NOT included in the standard SDK tar.gz. But I guess that if you’re reading these notes, chances are high that it’s your “first time”, so you –like me– are struggling a bit. All I require is the simple_grabber app really. By default, your router should have the IP address 192.168.1.1. everything you think you need at once, or make a local backup of the whole package repository. to rebuild a package (like tcpdump) you need to “mark” such a rebuilding process, via the “make menuconfig” application; to find references of the package your’re rebuilding “inside” the “make menuconfig” menus, you need to “install” the package sources, from the related “feed”; in order for the package to be “feed-installable”, you need to “update” the repository/feeds (feeds update); in order to be able to properly use the “scripts/feeds” utility, you need to download the SDK (specific to your platform); in order for the SDK to work properly, you need to define the STAGING_DIR environment variable AND update the ensure to point to SDK binaries, via properly prepending the SDK bin PATH to your pre-existing PATH variable. Really don ’ t perform other actions, basically the SDK rely on the has. 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