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From: David Pr�vost on 31 May 2007 10:57
I was getting this problem with Matlab 2007a : <http://www.mathworks.com/support/bugreports/details.html?rp=361994>
.. I follow the instruction : I replace the genMakefileAndBuild.p (I
didn't have the genMakefileAndBuild.m). I restart matlab. Try to
compile once. Then I modified my file (important) and recompile
several times and my bug was likely gone. But I retry to redo my bug
so I return to my old genMakefileAndBuild.m file. My bug did return
but I remplace for the second time the genMakefileAndBuild.m file
with the one on the report bug post and I was still getting the
error. By the way, if I compile twice, the second time it will
compile correctly. Here the old error:
Notice that the error doesn�t occur at the same line of the file
genMakefileAndBuild

Error building Real-Time Workshop target for block diagram ' xpcosc
'. MATLAB error message:
Error using ==> RTW.genMakefileAndBuild at 967
Error(s) encountered while building model " xpcosc ".

Matlab output
### Compiling
C:\MATLAB\R2007a\toolbox\rtw\targets\xpc\target\build\xpcblocks\includ
e\xpcPCFunctions.c
cl -Ot /c /O2 /nologo -DMODEL=xpcosc -DRT -DNUMST=2 -DTID01EQ=1
-DNCSTATES=2 -DMT=0 -DHAVESTDIO -DXPCMSVISUALC -DXPCCALLCONV=
-DUSE_RTMODEL -DERT_CORE -D_MT -MT /wd4996
C:\MATLAB\R2007a\toolbox\rtw\targets\xpc\target\build\xpcblocks\includ
e\xpcPCFunctions.c
xpcPCFunctions.c
lib /nologo /out:xpcruntime.lib xpcimports.obj xpcPCFunctions.obj
### Linking ...
C:\MATLAB\R2007a\sys\perl\win32\bin\perl
C:\MATLAB\R2007a\rtw\c\tools\mkvc_lnk.pl xpcosc.lnk xpcosc.obj
rt_logging.obj rt_logging_mmi.obj rt_matrx.obj rt_printf.obj
rtw_modelmap_utils.obj xpcosc_capi.obj xpcosc_data.obj xpctarget.obj

link /NOLOGO /DLL /SUBSYSTEM:CONSOLE /DEF:xpcvcdll.def
/Include:_malloc C:\MATLAB\R2007a\rtw\c\lib\win32\rtwlib_vc.lib
xpcruntime.lib @xpcosc.lnk -out:xpcosc.dll
Creating library xpcosc.lib and object xpcosc.exp
xpcosc.obj : error LNK2019: unresolved external symbol
_rt_InitInfAndNaN referenced in function _xpcosc_initialize
xpctarget.obj : error LNK2001: unresolved external symbol
_rt_InitInfAndNaN
rt_logging.obj : error LNK2019: unresolved external symbol _rtInf
referenced in function _rt_CreateLogVarWithConvert
xpcosc.dll : fatal error LNK1120: 2 unresolved externals
NMAKE : fatal error U1077: '"c:\program files\microsoft visual studio
8\VC\BIN\link.EXE"' : return code '0x460'
Stop.

C:\Documents and Settings\dprevost\My
Documents\MATLAB\xpcosc_xpc_rtw>echo The make command returned an
error of 2
The make command returned an error of 2

C:\Documents and Settings\dprevost\My
Documents\MATLAB\xpcosc_xpc_rtw>An_error_occurred_during_the_call_t
o_make
'An_error_occurred_during_the_call_to_make' is not recognized as an
internal or external command,
operable program or batch file.

Here the new error with new genMakefileAndBuild.p file posted:

Error building Real-Time Workshop target for block diagram 'xpcosc'.
MATLAB error message:
Error using ==> RTW.genMakefileAndBuild at 937
Error(s) encountered while building model "xpcosc".

Matlab ouput :
### Compiling
C:\MATLAB\R2007a\toolbox\rtw\targets\xpc\target\build\xpcblocks\includ
e\xpcPCFunctions.c
cl -Ot /c /O2 /nologo -DMODEL=xpcosc -DRT -DNUMST=2 -DTID01EQ=1
-DNCSTATES=2 -DMT=0 -DHAVESTDIO -DXPCMSVISUALC -DXPCCALLCONV=
-DUSE_RTMODEL -DERT_CORE -D_MT -MT /wd4996
C:\MATLAB\R2007a\toolbox\rtw\targets\xpc\target\build\xpcblocks\includ
e\xpcPCFunctions.c
xpcPCFunctions.c
lib /nologo /out:xpcruntime.lib xpcimports.obj xpcPCFunctions.obj
### Linking ...
C:\MATLAB\R2007a\sys\perl\win32\bin\perl
C:\MATLAB\R2007a\rtw\c\tools\mkvc_lnk.pl xpcosc.lnk xpcosc.obj
rt_logging.obj rt_logging_mmi.obj rt_matrx.obj rt_printf.obj
rtw_modelmap_utils.obj xpcosc_capi.obj xpcosc_data.obj xpctarget.obj

link /NOLOGO /DLL /SUBSYSTEM:CONSOLE /DEF:xpcvcdll.def
/Include:_malloc C:\MATLAB\R2007a\rtw\c\lib\win32\rtwlib_vc.lib
xpcruntime.lib @xpcosc.lnk
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