[Image-SIG] error: conflicting types for ‘ImagingJpegDecode’ while installing PIL on Mac OS

[Dale Cieslak]

Have you tried installing with MacPorts?  I've always had good luck installing packages with it (including PIL).

http://www.macports.org

~Dale

On Jan 13, 2012, at 7:19 PM, Steve Strassmann wrote:

> Hi, I'm trying to install Imaging 1.1.7 on Mac OS 10.6.8 with python 2.6.
> I've already installed jpeg-6b, which seems to be ok ('make check' seems to run without errors).
> 
> I have tried both 'python setup.py install' and 
> pip install http://effbot.org/downloads/Imaging-1.1.7.tar.gz
> and I get the same error (snip 1 below) either way. Does anyone know how I can get past this?
> 
> When I run ./BUILDME (see snip 2 below), setup seems to claim that "JPEG support available"
> but selftest seems to claim "JPEG support not installed". That seems odd to me.
> 
> thanks, 
> Steve
> 
> --- snip 1 ---
> gcc-4.2 -fno-strict-aliasing -fno-common -dynamic -DNDEBUG -g -fwrapv -Os -Wall -Wstrict-prototypes -DENABLE_DTRACE -pipe -arch x86_64 -DHAVE_LIBJPEG -DHAVE_LIBZ -I/System/Library/Frameworks/Tcl.framework/Headers -I/System/Library/Frameworks/Tk.framework/Headers -IlibImaging -I/System/Library/Frameworks/Python.framework/Versions/2.6/include -I/usr/local/include -I/usr/include -I/System/Library/Frameworks/Python.framework/Versions/2.6/include/python2.6 -c libImaging/JpegDecode.c -o build/temp.macosx-10.6-universal-2.6/libImaging/JpegDecode.o
> 
> libImaging/JpegDecode.c:119: error: conflicting types for ‘ImagingJpegDecode’
> libImaging/Imaging.h:416: error: previous declaration of ‘ImagingJpegDecode’ was here
> libImaging/JpegDecode.c: In function ‘ImagingJpegDecode’:
> libImaging/JpegDecode.c:145: warning: assignment from incompatible pointer type
> libImaging/JpegDecode.c:151: error: invalid operands to binary - (have ‘const JOCTET *’ and ‘UINT8 *’)
> libImaging/JpegDecode.c:237: warning: passing argument 1 of ‘state->shuffle’ from incompatible pointer type
> libImaging/JpegDecode.c:262: error: invalid operands to binary - (have ‘const JOCTET *’ and ‘UINT8 *’)
> error: command 'gcc-4.2' failed with exit status 1
> 
> --- snip 2 ---
> 
> --------------------------------------------------------------------
> PIL 1.1.7 SETUP SUMMARY
> --------------------------------------------------------------------
> version       1.1.7
> platform      darwin 2.6.1 (r261:67515, Jun 24 2010, 21:47:49)
>              [GCC 4.2.1 (Apple Inc. build 5646)]
> --------------------------------------------------------------------
> --- TKINTER support available
> --- JPEG support available
> --- ZLIB (PNG/ZIP) support available
> *** FREETYPE2 support not available
> *** LITTLECMS support not available
> --------------------------------------------------------------------
> To add a missing option, make sure you have the required
> library, and set the corresponding ROOT variable in the
> setup.py script.
> 
> To check the build, run the selftest.py script.
> --------------------------------------------------------------------
> PIL 1.1.7 TEST SUMMARY
> --------------------------------------------------------------------
> Python modules loaded from ./PIL
> Binary modules loaded from ./PIL
> --------------------------------------------------------------------
> --- PIL CORE support ok
> --- TKINTER support ok
> *** JPEG support not installed
> --- ZLIB (PNG/ZIP) support ok
> *** FREETYPE2 support not installed
> *** LITTLECMS support not installed
> --------------------------------------------------------------------
> 
> _______________________________________________
> Image-SIG maillist  -  Image-SIG at python.org
> http://mail.python.org/mailman/listinfo/image-sig
> 

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