[Solved] Linking errors on MacOS X 10.6 Snow Leopard

fabietto · Post by **fabietto** » Wed Sep 30, 2009 10:11 pm

Dear all,

I just finished to compile the latest version of Irrlicht (1.6) on my laptop (a MacBook Air running MacOS X 10.6 Snow Leopard). Both the compiling of the library and of a few examples went alright. The examples seem running smoothly.

I've instead experienced an issue while compiling one of the applications written by myself. This application can compile (I just had to do some minor changes to the parameters passed to the createDevice() function), but returns me a few errors during the linking phase. These errors are the following. Please consider that my application doesn't use any joystick and no joystick related functions are ever called.

Undefined symbols:
"_IOServiceMatching", referenced from:
irr::CIrrDeviceMacOSX::activateJoysticks(irr::core::array<irr::SJoystickInfo, irr::core::irrAllocator<irr::SJoystickInfo> >&)in libIrrlicht.a(CIrrDeviceMacOSX.o)
"_IOIteratorNext", referenced from:
irr::CIrrDeviceMacOSX::activateJoysticks(irr::core::array<irr::SJoystickInfo, irr::core::irrAllocator<irr::SJoystickInfo> >&)in libIrrlicht.a(CIrrDeviceMacOSX.o)
"_IOServiceGetMatchingServices", referenced from:
irr::CIrrDeviceMacOSX::activateJoysticks(irr::core::array<irr::SJoystickInfo, irr::core::irrAllocator<irr::SJoystickInfo> >&)in libIrrlicht.a(CIrrDeviceMacOSX.o)
"_IOObjectRelease", referenced from:
getJoystickDeviceInfo(unsigned int, __CFDictionary*, JoystickInfo*)in libIrrlicht.a(CIrrDeviceMacOSX.o)
getJoystickDeviceInfo(unsigned int, __CFDictionary*, JoystickInfo*)in libIrrlicht.a(CIrrDeviceMacOSX.o)
irr::CIrrDeviceMacOSX::activateJoysticks(irr::core::array<irr::SJoystickInfo, irr::core::irrAllocator<irr::SJoystickInfo> >&)in libIrrlicht.a(CIrrDeviceMacOSX.o)
irr::CIrrDeviceMacOSX::activateJoysticks(irr::core::array<irr::SJoystickInfo, irr::core::irrAllocator<irr::SJoystickInfo> >&)in libIrrlicht.a(CIrrDeviceMacOSX.o)
"_IORegistryEntryGetParentEntry", referenced from:
getJoystickDeviceInfo(unsigned int, __CFDictionary*, JoystickInfo*)in libIrrlicht.a(CIrrDeviceMacOSX.o)
getJoystickDeviceInfo(unsigned int, __CFDictionary*, JoystickInfo*)in libIrrlicht.a(CIrrDeviceMacOSX.o)
"_IORegistryEntryCreateCFProperties", referenced from:
getJoystickDeviceInfo(unsigned int, __CFDictionary*, JoystickInfo*)in libIrrlicht.a(CIrrDeviceMacOSX.o)
irr::CIrrDeviceMacOSX::activateJoysticks(irr::core::array<irr::SJoystickInfo, irr::core::irrAllocator<irr::SJoystickInfo> >&)in libIrrlicht.a(CIrrDeviceMacOSX.o)
"_IOCreatePlugInInterfaceForService", referenced from:
irr::CIrrDeviceMacOSX::activateJoysticks(irr::core::array<irr::SJoystickInfo, irr::core::irrAllocator<irr::SJoystickInfo> >&)in libIrrlicht.a(CIrrDeviceMacOSX.o)
"_IOMasterPort", referenced from:
irr::CIrrDeviceMacOSX::activateJoysticks(irr::core::array<irr::SJoystickInfo, irr::core::irrAllocator<irr::SJoystickInfo> >&)in libIrrlicht.a(CIrrDeviceMacOSX.o)
ld: symbol(s) not found
collect2: ld returned 1 exit status

Hope this helps,
Fabio

FuzzYspo0N · Post by **FuzzYspo0N** » Thu Oct 01, 2009 12:06 am

in IrrlichtCompileConfig.h

IRR_COMPILE_WITH_ allows removing things from the engine ,

Find _IRR_COMPILE_WITH_JOYSTICK something, its near the top.

Comment that part out for now

fabietto · Post by **fabietto** » Thu Oct 01, 2009 8:59 am

FuzzYspo0N wrote:in IrrlichtCompileConfig.h

IRR_COMPILE_WITH_ allows removing things from the engine ,

Find _IRR_COMPILE_WITH_JOYSTICK something, its near the top.

Comment that part out for now

Hi Fuzzy,

thanks for your hint.

I've commented out that part of IrrlichtCompileConfig.h (line #99, #define _IRR_COMPILE_WITH_JOYSTICK_EVENTS_) and recompiled the library. My application now works.

Many thanks,
Fabio

fabietto · Post by **fabietto** » Thu Oct 01, 2009 1:53 pm

Same issue with another computer running MacOS X Leopard 10.5.8. Solved at the same way.

hybrid · Post by **hybrid** » Thu Oct 01, 2009 2:27 pm

You have to include the IO Framework or whatever it's called. Will be fixed once bitplane releases the OSX Irrlicht SDK.

DavidJE13 · Post by **DavidJE13** » Thu Oct 01, 2009 3:16 pm

IOKit.framework to be precise

Is it even a bug that it needs this? I've always seen it like the requirement for OpenGL.framework

fabietto · Post by **fabietto** » Thu Oct 01, 2009 6:19 pm

DavidJE13 wrote:Is it even a bug that it needs this? I've always seen it like the requirement for OpenGL.framework

Unfortunately I'm not a big expert on MacOS programming. The only thing I can say is that my application was compiling/linking/running properly using Irrlicht 1.4.2.

bitplane · Post by **bitplane** » Thu Oct 01, 2009 7:04 pm

If I find time this weekend I'll make a start on the .framework release for 1.6 and update the project files. The reason it will take some time is because I'll need to fix the installer and make sure it upgrades properly so 1.5.1 and 1.6 apps can both run on the same system. I will also have to bugfix the 1.5.1 installer so that installing 1.5.1 over 1.6 doesn't cause problems.
I may also buy Snow Leopard and upgrade to the latest version of Xcode, though no promises here. All this will be next week at the earliest, since I've got other (more fun) projects to work on too!