Hi all,
I've recently moved to MAC OS X and currently trying to build qutecom on
this plateform. I've never tried developping on MAC OS before.
I'm stuck on what seems to be a zlib linking problem when building
libwebcam.dylib.
zlib is installed and I've built ffmpeg 0.5 with the --enable-zlib flag.
I guess it's just a PATH problem but I can't figure where I'm wrong
My setup is:
- MAC OS X v10.5,
- latest Xcode environment,
- gcc/g++ v4.0.1,
- Boost v1.33.1 (installed via fink),
- FFmpeg v0.5 (compiled from source),
- zlib v1.2.3
mat$ echo $PATH
/opt/local/bin:/opt/local/sbin:/sw/bin:/sw/sbin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/usr/X11R6/bin:/Users/mat/qt-mac-opensource-src-4.5.0/bin/
Here is a short part of the build_make.sh output showing that zlib is found
:
-- Found GLib2:
/sw/lib/libglib-2.0.dylib;/sw/lib/libgmodule-2.0.dylib;/sw/lib/libgthread-2.0.dylib;/sw/lib/libgobject-2.0.dylib;/sw/lib/libintl.dylib;/sw/lib/libiconv.dylib
-- Found OpenSSL: /usr/lib/libcrypto.0.9.7.dylib;/usr/lib/libssl.0.9.7.dylib
--* Found ZLIB: /usr/lib/libz.dylib*
-- Found libxml2: /usr/lib/libxml2.dylib
-- Found GnuTLS: /sw/lib/libgnutls.dylib
-- Check if the system is big endian
-- Check if the system is big endian - little endian
-- Looking for include files HAVE_STDINT_H
-- Looking for include files HAVE_STDINT_H - found
-- Looking for include files HAVE_MACHINE_TYPES_H
-- Looking for include files HAVE_MACHINE_TYPES_H - found
-- Looking for include files HAVE_SYS_INT_TYPES_H
-- Looking for include files HAVE_SYS_INT_TYPES_H - not found.
-- Looking for include files HAVE_SYS_UIO_H
-- Looking for include files HAVE_SYS_UIO_H - found
-- Looking for include files HAVE_UNISTD_H
-- Looking for include files HAVE_UNISTD_H - found
-- Looking for include files HAVE_STDLIB_H
-- Looking for include files HAVE_STDLIB_H - found
-- Looking for inet_aton
-- Looking for inet_aton - found
-- Looking for include files HAVE_SYSLOG_H
-- Looking for include files HAVE_SYSLOG_H - found
Here is a short output from the build failing with "Undefined symbols":
Scanning dependencies of target webcam
[ 7%] Building CXX object
libs/webcam/CMakeFiles/webcam.dir/src/WebcamDriver.o
[ 7%] Building CXX object libs/webcam/CMakeFiles/webcam.dir/src/webcam.o
[ 7%] Building CXX object
libs/webcam/CMakeFiles/webcam.dir/src/quicktime/QuicktimeWebcamDriver.o
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:
In member function ‘virtual void QuicktimeWebcamDriver::cleanup()’:
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:67:
warning: ‘DisposeGWorld’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:230)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:67:
warning: ‘DisposeGWorld’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:230)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:
In member function ‘bool QuicktimeWebcamDriver::createGWorld()’:
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:309:
warning: ‘LockPixels’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:188)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:309:
warning: ‘GetPortPixMap’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QuickdrawAPI.h:4414)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:309:
warning: ‘GetPortPixMap’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QuickdrawAPI.h:4414)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:309:
warning: ‘LockPixels’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:188)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:314:
warning: ‘GetMainDevice’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QuickdrawAPI.h:3314)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:314:
warning: ‘GetMainDevice’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QuickdrawAPI.h:3314)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:
In member function ‘virtual WebcamErrorCode
QuicktimeWebcamDriver::setPalette(pixosi)’:
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:357:
warning: ‘GetGWorldPixMap’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:484)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:357:
warning: ‘GetGWorldPixMap’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:484)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:
In function ‘OSErr mySGDataProc(ComponentInstanceRecord*, char*, long int,
long int*, long int, TimeValue, short int, long int)’:
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:531:
warning: ‘GetGWorldPixMap’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:484)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:531:
warning: ‘GetGWorldPixMap’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:484)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:544:
warning: ‘GetGWorldPixMap’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:484)
/Users/mat/qutecom-2.2/build/libs/webcam/src/quicktime/QuicktimeWebcamDriver.cpp:544:
warning: ‘GetGWorldPixMap’ is deprecated (declared at
/System/Library/Frameworks/ApplicationServices.framework/Frameworks/QD.framework/Headers/QDOffscreen.h:484)
Linking CXX shared library libwebcam.dylib
Undefined symbols:
"_inflateEnd", referenced from:
_decode_frame in libavcodec.a(pngdec.o)
"_inflate", referenced from:
_decode_frame in libavcodec.a(pngdec.o)
"_inflateInit_", referenced from:
_decode_frame in libavcodec.a(pngdec.o)
ld: symbol(s) not found
collect2: ld returned 1 exit status
make[2]: *** [libs/webcam/libwebcam.dylib] Error 1
make[1]: *** [libs/webcam/CMakeFiles/webcam.dir/all] Error 2
make: *** [all] Error 2
Any idea about what I did wrong ?
Mathieu
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