[OpenWrt Wiki] Building a single package
openwrt.org › docs › guide-developerOct 15, 2021 · Building a single package Useful if you want to upgrade a package without reflashing the router. Follow the Build system usage up to the point when you make menuconfig. In here, select the target platform, then tick the package you want to build, and also its dependencies. If the package isn't ticked, the below commands will succeed without actually building the package. If you don't know the ...
[OpenWrt Wiki] Cross compiling
openwrt.org › docs › guide-developerOct 15, 2021 · Cross compiling If you want to use a program, currently not contained in the OpenWrt repository, you probably won't find a binary compiled for your CPU. Provided that it is released as open source, you can download the code and compile it using the OpenWrt Buildroot. Note that not every code is compilable for every CPU architecture. Also performance and available RAM on embedded systems is ...
[OpenWrt Wiki] Using the SDK
openwrt.org › docs › guide-developerDec 04, 2021 · Using the SDK. The SDK is a pre-compiled toolchain designed to cross compile packages for a specific target without compiling the whole system from scratch. Tasks you can do with the SDK: Compile custom software for a specific release while ensuring binary and feature compatibility. Compile newer versions of certain packages for a specific release.
gcc - Toolchain in openwrt? - Stack Overflow
stackoverflow.com › questions › 41876973Jan 26, 2017 · If you don't have enough space you'll have to cross-compile your code. Despite this you could install gcc in the /tmp memory that is usually much larger by typing. opkg update opkg install gcc -d ram. and you will find gcc in /tmp/usr/bin. Remember that as soon as you reboot the router gcc will disappear and you will have to repeat all the ...