$ g++ clanlib.cpp -o clanlib `pkg-config --cflags --libs clanCore-2.3 clanDisplay-2.3 clanGL-2.3`
/usr/lib/gcc/x86_64-unknown-linux-gnu/4.6.2/../../../../lib/crt1.o: In function `_start':
(.text+0x20): undefined reference to `main'
/tmp/ccvaXs9H.o: In function `CL_ClanApplication::CL_ClanApplication(int (*)(std::vector<CL_String8, std::allocator<CL_String8> > const&))':
clanlib.cpp:(.text._ZN18CL_ClanApplicationC2EPFiRKSt6vectorI10CL_String8SaIS1_EEE[_ZN18CL_ClanApplicationC5EPFiRKSt6vectorI10CL_String8SaIS1_EEE]+0x13): undefined reference to `CL_ClanApplication::main'
collect2: ld returned 1 exit status










#include <ClanLib/core.h>
#include <ClanLib/application.h>

class ConsoleProgram
{
public:
	static int main(const std::vector<CL_String> &args);
};

int ConsoleProgram::main(const std::vector<CL_String> &args)
{
	// Setup clanCore:
	CL_SetupCore setup_core;

	// Create a console Window if one does not exist:
	CL_ConsoleWindow console_window("Console");

	// Write a line to the console:
	CL_Console::write_line("Hello World!");

	// Wait for a key so the window won't close immediately.
        CL_Console::wait_for_key();

	return 0;
}

// Create global application object:
// You MUST include this line or the application start-up will fail to
// locate your console application object.
CL_ClanApplication app(&ConsoleProgram::main);