C++ linker presentation

cpplinker/01_compilation_pipeline/build.sh

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+#!/bin/bash
+set -e
+
+echo "=== Step 1: Compile each .cpp to object files ==="
+g++ -std=c++17 -c foo.cpp  -o foo.o
+g++ -std=c++17 -c main.cpp -o main.o
+echo "Created foo.o and main.o"
+
+echo ""
+echo "=== Step 2: Inspect object files with nm ==="
+echo "--- foo.o symbols (defines add) ---"
+nm -C foo.o
+echo ""
+echo "--- main.o symbols (references add) ---"
+nm -C main.o
+
+echo ""
+echo "=== Step 3: Link object files into executable ==="
+g++ foo.o main.o -o app
+echo "Created app"
+
+echo ""
+echo "=== Step 4: Run ==="
+./app