Add cpp compiler example

lectures/debugging-strategies/slides.qmd

@@ -52,9 +52,82 @@ digraph {
  - Learn to understand what the compiler tries to tell you
 
 
-## Example
+## GCC C++ compiler examples (1/x) {.leftalign}
+
+::::::::{.columns}
+
+:::{.column width=45%}
+
+```cpp
+#include <iostream>
+
+int main() {
+   using namespace std;
+   cout << "Hallo" << endl;
+   return 0;
+}
+```
+
+Compiling with
+
+`gcc test.cpp -o test`
+
+:::
+
+:::{.column width=55% .smaller}
+
+
+```
+/usr/bin/ld: /tmp/ccrbNm7k.o: warning: relocation against `_ZSt4cout' in read-only section `.text'
+/usr/bin/ld: /tmp/ccrbNm7k.o: in function `main':
+test.cpp:(.text+0x15): undefined reference to `std::cout'
+/usr/bin/ld: test.cpp:(.text+0x1d): undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::operator<< <std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*)'
+/usr/bin/ld: test.cpp:(.text+0x24): undefined reference to `std::basic_ostream<char, std::char_traits<char> >& std::endl<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&)'
+/usr/bin/ld: test.cpp:(.text+0x2f): undefined reference to `std::ostream::operator<<(std::ostream& (*)(std::ostream&))'
+/usr/bin/ld: /tmp/ccrbNm7k.o: in function `__static_initialization_and_destruction_0(int, int)':
+test.cpp:(.text+0x66): undefined reference to `std::ios_base::Init::Init()'
+/usr/bin/ld: test.cpp:(.text+0x81): undefined reference to `std::ios_base::Init::~Init()'
+/usr/bin/ld: warning: creating DT_TEXTREL in a PIE
+collect2: error: ld returned 1 exit status
+```
+
+:::
+
+::::::::
+
+
+## GCC C++ compiler examples (1/x) {.leftalign}
+
+::::::::{.columns}
+
+:::{.column width=45%}
+
+```cpp
+#include <iostream>
+
+int main() {
+   using namespace std;
+   cout << "Hallo" << endl;
+   return 0;
+}
+```
+
+Compiling with
+
+`g++ test.cpp -o test`
+
+:::
+
+:::{.column width=55% .smaller}
+
+
+Compilation succeeded
+
+:::
+
+::::::::
+
 
-TODO
 
 
 ## Compiler flags for compilation output {.leftalign}
@@ -76,6 +149,7 @@ Also gcc compile time checks and options like
 Summary
 
 
+
 # Run-time errors {.leftalign}
 
  - Let the compiler help you if something goes wrong