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Dear Christian,

don't worry with these warnings, they should be harmless and will be
removed at some point.
Also, note that you can compile all SPM8 MEX files from the src folder:
cd /Applications/spm8/src
make && make install
make toolbox-distclean && make toolbox && make toolbox-install
make external-distclean && make external && make external-install

Best regards,
Guillaume.

Christian Kaufmann wrote:
> Dear John,
> 
> when compiling DARTEL registration C code I get some warnings for
> dartel2.c refering to signedness differences (see platform info below).
> As I don't know what's going on here I'm a little bit worried about
> whether this might be harmful. I would be glad to hear that there are no
> obvious problems with these warnings :-)
> 
> Thanks!
> 
> Christian
> 
> 
> % Matlab warnings & ver info:
> 
>>> cd /Applications/spm8/toolbox/DARTEL/
>>> ! make
> mex -O dartel2.c optimizer2d.c diffeo2d.c
> dartel2.c: In function 'dartel_mexFunction':
> dartel2.c:68: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c:69: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c: In function 'cgs2_mexFunction':
> dartel2.c:125: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c: In function 'fmg2_mexFunction':
> dartel2.c:183: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c: In function 'rsz_mexFunction':
> dartel2.c:218: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c: In function 'vel2mom_mexFunction':
> dartel2.c:250: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c: In function 'comp_mexFunction':
> dartel2.c:296: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c:322: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c:341: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c: In function 'exp_mexFunction':
> dartel2.c:380: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c:396: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c: In function 'expdet_mexFunction':
> dartel2.c:432: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c:446: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> dartel2.c: In function 'brc_mexFunction':
> dartel2.c:483: warning: pointer targets in passing argument 2 of
> 'mxCreateNumericArray_700' differ in signedness
> mex -O dartel3.c optimizer3d.c diffeo3d.c
>>>
>>> ver
> -------------------------------------------------------------------------------------
> 
> MATLAB Version 7.8.0.8205 (R2009a) Beta (Mac Intel 64-bit)
> MATLAB License Number: beta
> Operating System: Mac OS X  Version: 10.5.6 Build: 9G55
> Java VM Version: Java 1.5.0_16-b06-284 with Apple Inc. Java HotSpot(TM)
> 64-Bit Server VM mixed mode
> -------------------------------------------------------------------------------------
> 
> MATLAB                                                Version 7.8       
> (R2009a Beta)
> Simulink                                              Version 7.3       
> (R2009a Beta)
> Image Processing Toolbox                              Version 6.3       
> (R2009a Beta)
> MATLAB Compiler                                       Version 4.10      
> (R2009a Beta)
> Optimization Toolbox                                  Version 4.2       
> (R2009a Beta)
> Parallel Computing Toolbox                            Version 4.1       
> (R2009a Beta)
> Partial Differential Equation Toolbox                 Version 1.0.14    
> (R2009a Beta)
> Signal Processing Blockset                            Version 6.9       
> (R2009a Beta)
> Signal Processing Toolbox                             Version 6.11      
> (R2009a Beta)
> Spline Toolbox                                        Version 3.3.6     
> (R2009a Beta)
> Statistical Parametric Mapping                        Version 3042      
> (SPM8)
> Statistics Toolbox                                    Version 7.1       
> (R2009a Beta)
> 
> 


-- 
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG