Initial

.gitignore

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+*.tar.gz
+build

Justfile

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+run: build
+    ./build/main
+
+build: mkdir objects
+    gcc build/*.o -o build/main -O3
+    du -h build/main
+
+objects: mkdir
+    cd build && gcc -c -I ../lib -Wall -Werror -fpic ../src/*.c -O3
+    du -h build/*.o
+
+asm: mkdir
+    cd build && gcc -S -masm=intel -I ../lib -Wall -Werror -fpic ../src/*.c -O3
+
+release: mkdir build
+    strip build/main
+    tar -czvf build.tar.gz build
+
+mkdir:
+    mkdir build -p
+
+clean:
+    rm *.tar.gz -f
+    rm -rf build
+
+hex: build
+    objdump -M intel -d build/main
+
+symbols: build
+    nm build/main
+
+symbols2: build
+    readelf -s build/main
+
+rodata: build
+    objdump -s -j .rodata build/main
+
+fmt:
+    fd -e c -e h -x clang-format --verbose -i {}

lib/fib.h

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+#pragma once
+
+int fib(int n);

lib/greet.h

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+#pragma once
+
+void greet(const char *name);

src/fib.c

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+#include "fib.h"
+
+int fib(int n) {
+  if (n < 2)
+    return n;
+  return fib(n - 1) + fib(n - 2);
+}

src/greet.c

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+#include "greet.h"
+#include "fib.h"
+#include <stdio.h>
+
+void greet(const char *name) {
+  printf("Hello %s!\n", name);
+  printf("Fibonacci of 10 is %d\n", fib(10));
+}

src/main.c

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+#include "greet.h"
+#include <stdio.h>
+
+int main(void) {
+  greet("Template");
+  return 0;
+}