C++ linker presentation

cpplinker/06_c_interop/build.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+set -e
+
+echo "=== Compile C++ wrapper ==="
+g++ -std=c++17 -c wrapper.cpp -o wrapper.o
+
+echo ""
+echo "=== Compile C main ==="
+gcc -std=c11 -c main.c -o main.o
+
+echo ""
+echo "=== Symbols in wrapper.o (note: unmangled due to extern C) ==="
+nm -g wrapper.o | grep vec_
+
+echo ""
+echo "=== Symbols in main.o (C code references) ==="
+nm -u main.o | grep vec_
+
+echo ""
+echo "=== Link (use g++ to pull in C++ runtime) ==="
+g++ wrapper.o main.o -o app
+echo "Created app"
+
+echo ""
+echo "=== Run ==="
+./app