To build in Eclipse

Hallo /prog/! I have been having a hard time trying to find to set the variables to build every C project. For every new project, I have to go into properties and edit the build settings every fucking time. What do I have to do in order for eclipse to creates every new project with a same builder that compiles just with the command

gcc -Wall -Werror -std=c99 {projName} -o {execName}.

I don't know if I'm explaining myself clearly; I'm new to eclipse (use to use Geany).