General Questions • [Solved] Error while compiling Sdorfehs's source

Code:

$ makecc -O2 -Wall -Wunused -Wmissing-prototypes -Wstrict-prototypes `pkg-config --cflags x11 xft xrandr xtst xres freetype2` -DVERSION=\"git-8a50f09\"   -c -o actions.o actions.cPackage xrandr was not found in the pkg-config search path.Perhaps you should add the directory containing `xrandr.pc'to the PKG_CONFIG_PATH environment variable

Code:

$ apt-file search xrandr.pclibxrandr-dev: /usr/lib/x86_64-linux-gnu/pkgconfig/xrandr.pc

Code:

$ sudo apt install libxrandr-dev