willem@willem-kubuntu:~/CppGTK$ g++ main.cc -o main `pkg-config gtkmm-2.4 --cflags --libs`/tmp/ccboeoXh.o: In function `main':main.cc:(.text+0x143): undefined reference to `HelloWorld::HelloWorld()'main.cc:(.text+0x160): undefined reference to `HelloWorld::~HelloWorld()'main.cc:(.text+0x173): undefined reference to `HelloWorld::~HelloWorld()'collect2: ld gaf exit-status 1 terug
g++ -o helloworld *.cc `pkg-config gtkmm-2.4 --cflags --libs`
g++ -o helloworld main.cc `pkg-config gtkmm-2.4 --cflags --libs` `pkg-config boost-package-name --cflags --libs`