Re: Xpdf and linking problems

[Riccardo Mottola]

David Chisnall wrote:
> On 2 Jun 2012, at 07:53, Sebastian Reitenbach wrote:
>
> > shortly after sending my mail, I've seen this in the GNUmakefile.in of
> > PDFKit:
> >
> > # Use C++ to link library (this won't work if g++ is not the obj-c compiler!)
> > #CC=@CXX@
> >
> > Don't know what the problem is, what the comment describes, and
> > why the following line is commented out...
> It sounds like this line should be:
>
> LD=${CXX}
>
> David
>
> -- Sent from my Difference Engine
This works perfectly with gcc again. So freebsd 8.2 is perfect as is 
linux. With clang 3.1 however I get:
configure:3536: checking for PDFKit
configure:3552: /usr/local/bin/clang -o conftest -xobjective-c -MMD -MP 
-DGNU_RUNTIME=1 -DGNUSTEP_BASE_LIBRARY=1 -fno-strict-aliasing 
-fexceptions -fobjc-exceptions -D_NATIVE_OBJC_EXCEPTIONS -pthread -fPIC 
-Wall -DGSWARN -DGSDIAGNOSE -Wno-import -g -O2 -fgnu-runtime -I. 
-I/usr/local/include -I/home/multix/GNUstep/Library/Headers 
-I/Local/Library/Headers -I/System/Library/Headers   -rdynamic -pthread 
-shared-libgcc -fexceptions -fgnu-runtime 
-L/home/multix/GNUstep/Library/Libraries -L/Local/Library/Libraries 
-L/System/Library/Libraries -L/usr/local/lib -lobjc -lm conftest.c  
-lPDFKit >&5
clang: warning: argument unused during compilation: '-shared-libgcc'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`GSCurrentContext'
/Local/Library/Libraries/libPDFKit.so: undefined reference to `operator 
new[](unsigned int)'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSColor'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSString'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSLock'
/Local/Library/Libraries/libPDFKit.so: undefined reference to `operator 
delete[](void*)'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSBundle'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSAssertionHandler'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSMutableArray'
/Local/Library/Libraries/libPDFKit.so: undefined reference to `operator 
delete(void*)'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSObject'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__cxa_pure_virtual'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSBitmapImageRep'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSFileManager'
/Local/Library/Libraries/libPDFKit.so: undefined reference to `NSLog'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__gxx_personality_v0'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSMutableDictionary'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSArray'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSMutableString'
/Local/Library/Libraries/libPDFKit.so: undefined reference to `vtable 
for __cxxabiv1::__class_type_info'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`NSCalibratedRGBColorSpace'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSGraphicsContext'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSAutoreleasePool'
/Local/Library/Libraries/libPDFKit.so: undefined reference to `operator 
new(unsigned int)'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSImageRep'
/Local/Library/Libraries/libPDFKit.so: undefined reference to `vtable 
for __cxxabiv1::__si_class_type_info'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`std::terminate()'
/Local/Library/Libraries/libPDFKit.so: undefined reference to 
`__objc_class_name_NSView'
clang: error: linker command failed with exit code 1 (use -v to see 
invocation)
configure:3552: $? = 1

I wonder? The same thing with gcc works... I set both CC to CXX to 
/usr/local/bin/clang and I checked "LD" is the same of CXX.

Riccardo