Initial structure

.gitignore

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+# Prerequisites
+*.d
+
+# Object files
+*.o
+*.ko
+*.obj
+*.elf
+
+# Linker output
+*.ilk
+*.map
+*.exp
+
+# Precompiled Headers
+*.gch
+*.pch
+
+# Libraries
+*.lib
+*.a
+*.la
+*.lo
+
+# Shared objects (inc. Windows DLLs)
+*.dll
+*.so
+*.so.*
+*.dylib
+
+# Executables
+*.exe
+*.out
+*.app
+*.i*86
+*.x86_64
+*.hex
+
+# Debug files
+*.dSYM/
+*.su
+*.idb
+*.pdb
+
+# Kernel Module Compile Results
+*.mod*
+*.cmd
+.tmp_versions/
+modules.order
+Module.symvers
+Mkfile.old
+dkms.conf
+
+game

Makefile

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+# A simple Makefile for compiling small SDL projects
+
+# set the compiler
+CC := clang
+
+# set the compiler flags
+CFLAGS := `sdl2-config --libs --cflags` -ggdb3 -O0 --std=c99 -Wall -lSDL2_image -lm
+
+# add header files here
+HDRS :=
+
+# add source files here
+SRCS := hello.c
+
+# generate names of object files
+OBJS := $(SRCS:.c=.o)
+
+# name of executable
+EXEC := game
+
+# default recipe
+all: $(EXEC)
+
+# recipe for building the final executable
+$(EXEC): $(OBJS) $(HDRS) Makefile
+	$(CC) -o $@ $(OBJS) $(CFLAGS)
+
+# recipe for building object files
+#$(OBJS): $(@:.o=.c) $(HDRS) Makefile
+#	$(CC) -o $@ $(@:.o=.c) -c $(CFLAGS)
+
+# recipe to clean the workspace
+clean:
+	rm -f $(EXEC) $(OBJS)
+
+.PHONY: all clean

hello.c

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+#include <stdio.h>
+#include <SDL2/SDL.h>
+
+
+int main(void) {
+  if (SDL_Init(SDL_INIT_VIDEO) != 0) {
+    printf("error initializing SDL: %s\\n", SDL_GetError());
+    return 1;
+  }
+
+  printf("initialization successful!\n");
+
+  // clean up resources before exiting
+  SDL_Quit();
+}