C++ linker presentation

cpplinker/04_static_linking/build.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+set -e
+
+echo "=== Compile object files ==="
+g++ -std=c++17 -c vec.cpp -o vec.o
+g++ -std=c++17 -c mat.cpp -o mat.o
+
+echo ""
+echo "=== Create static library (archive) ==="
+ar rcs libmymath.a vec.o mat.o
+echo "Created libmymath.a"
+
+echo ""
+echo "=== Inspect archive contents ==="
+ar t libmymath.a
+
+echo ""
+echo "=== Symbols in the archive ==="
+nm -C -g libmymath.a
+
+echo ""
+echo "=== Compile and link main against the static library ==="
+g++ -std=c++17 -c main.cpp -o main.o
+g++ main.o -L. -lmymath -o app
+echo "Created app"
+
+echo ""
+echo "=== Check dynamic dependencies ==="
+ldd app || echo "(ldd not available or statically linked)"
+
+echo ""
+echo "=== Run ==="
+./app