Scratch

- Playing with a way to build library objects without immediately linking
- I am then also seeing how to link it to an application which `_start_` can find its `main` symbol

scratch/Makefile

@@ -0,0 +1,9 @@
+library:
+	gcc library.c -shared -o library.o
+
+clean:
+	rm library.o
+	rm main
+
+main:
+	gcc main.c library.o -o main

scratch/library.c

@@ -0,0 +1,4 @@
+int myFunc(int x)
+{
+	return x*2;
+}

scratch/main.c

@@ -0,0 +1,9 @@
+extern int myFunc(int);
+
+#include<stdio.h>
+
+int main()
+{
+	int result = myFunc(4);
+	printf("myFunc(4): %d\n", result);
+}