Few, most important in my opinion, however mostly overlooked GCC compiler switches: -Wall: enables all the warnings about constructions that some users consider questionable, very likely a programming mistakes -Wextra: enables some extra warning flags that are not enabled by -Wall -Winit-self: warn about uninitialized variables which are initialized with themselves -Wold-style-cast: warn if an… Continue reading 11th: watch your compiler warnings →
Default git colour setup is not so good. On black terminal background it looks dark: However, with small change in ~/.git/config file: [color "diff"] meta = yellow bold frag = magenta bold old = red bold new = green bold you would get much better diff display on your terminal:
When you see the following kind of errors during cross compilation (linking phase): ld: warning: libfontconfig.so.1, needed by …/libQtGui.so, not found (try using -rpath or -rpath-link) ld: warning: libaudio.so.2, needed by …/libQtGui.so, not found (try using -rpath or -rpath-link) There could be two reasons: the list of required binaries is not complete and linker cannot… Continue reading [FIXED] "not found (try using -rpath or -rpath-link)" during cross compilation →
If you are an embedded software developer like me chances are you use embedded Linux for the purpose. It's Open Source, has great tools support and is a great software environment where (almost) everything could be automated through command line interfaces. Once you decide about operating system used the next step is to choose a… Continue reading Buildroot basics →
If you encounter the following error during VPN connection: pptp[12549]: nm-pptp-service-12543 warn[decaps_gre:pptp_gre.c:331]: short read (-1): Message too long there's an easy fix. You have to lower your MTU (automatically obtained value was invalid). First, you have to locate your VPN gateway address in syslog: NetworkManager[11926]: <info> VPN Gateway: X.X.X.X Then, you have to check minimum… Continue reading [SOLVED] VPN connectioin error: short read (-1): Message too long →