Compilation Error ~ stdarg.h No such file or directory

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I'm currently trying to compile an Open Source driver for my Realtek WiFi Adapter on a Linux Distribution that is not Linux Mint (Since, I've already tested it with Linux Mint and it works). The Distribution that I want to use is Ubuntu MATE 18.04.1, at first I realized when I was attempting to compile the driver from source. I found out that 'make' wasn't even preinstalled to begin with. I installed 'make', attempted again, but failed due to it having a dependency is missing. I installed the dependency, added a modification to the make file which was 'EXTRA_CFLAGS += $(EXTRA_CFLAGS) -fno-pie' to line 3 in the 'makefile' without making any modifications to any existing code, I gave it another try, but I was prompted this error in the title of this thread. Is there any solutions on how to resolve this? - Any help would be appreciated! Thanks!!