I am facing below mentioned error while running B2B in Simulink Test - Matlab in 2019b Error: useless type name in empty declaration typedef char char_T;

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deepa
deepa 2024-10-30，11:46
回答： Karanjot 2024-11-3，19:26
C:\B2B\work\slprj\autosar\TOS_Core\sil\hostobj\instrumented>cd . C:\B2B\work\slprj\autosar\TOS_Core\sil\hostobj\instrumented>if "" == "" ("C:\PROGRA~1\MATLAB\R2019b\bin\win64\gmake" -f TOS_Core.mk all ) else ("C:\PROGRA~1\MATLAB\R2019b\bin\win64\gmake" -f TOS_Core.mk ) "C:\PROGRA~3\MATLAB\SUPPOR~1\R2019b\3P778C~1.INS\MINGW_~1.INS\bin/gcc" -c -fwrapv -m64 -O0 -DMODEL=TOS_Core -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTID01EQ=0 -DPORTABLE_WORDSIZES -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DRTE_COMPONENT_HEADER=\"Rte_APP_SWC_TOS.h\" -DINCLUDE_RTE_HEADER=1 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DPORTABLE_WORDSIZES -DMODEL=TOS_Core -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @TOS_Core_comp.rsp -o "TOS_Core.obj" "C:/B2B/work/slprj/autosar/TOS_Core/TOS_Core.c" C:\B2B\work\slprj\autosar\_sharedutils\rtwtypes.h:71:14: error: two or more data types in declaration specifiers typedef char char_T; ^~~~ C:\B2B\work\slprj\autosar\_sharedutils\rtwtypes.h:71:1: warning: useless type name in empty declaration typedef char char_T; ^~~~~~~ gmake: *** [TOS_Core.obj] Error 1 C:\B2B\work\slprj\autosar\TOS_Core\sil\hostobj\instrumented>echo The make command returned an error of 2 The make command returned an error of 2 C:\B2B\work\slprj\autosar\TOS_Core\sil\hostobj\instrumented>exit 1 Error(s) encountered while building "TOS_Core_rtwlib": ### Failed to generate all binary outputs.
Index exceeds the number of array elements (0).
Error while bringing model references of model APP_SWC_TOS_Harness2 up to date: C:\B2B\work\slprj\autosar\TOS_Core\sil\hostobj\instrumented>cd . C:\B2B\work\slprj\autosar\TOS_Core\sil\hostobj\instrumented>if "" == "" ("C:\PROGRA~1\MATLAB\R2019b\bin\win64\gmake" -f TOS_Core.mk all ) else ("C:\PROGRA~1\MATLAB\R2019b\bin\win64\gmake" -f TOS_Core.mk ) "C:\PROGRA~3\MATLAB\SUPPOR~1\R2019b\3P778C~1.INS\MINGW_~1.INS\bin/gcc" -c -fwrapv -m64 -O0 -DMODEL=TOS_Core -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTID01EQ=0 -DPORTABLE_WORDSIZES -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DRTE_COMPONENT_HEADER=\"Rte_APP_SWC_TOS.h\" -DINCLUDE_RTE_HEADER=1 -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=0 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DPORTABLE_WORDSIZES -DMODEL=TOS_Core -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @TOS_Core_comp.rsp -o "TOS_Core.obj" "C:/B2B/work/slprj/autosar/TOS_Core/TOS_Core.c" C:\B2B\work\slprj\autosar\_sharedutils\rtwtypes.h:71:14: error: two or more data types in declaration specifiers typedef char char_T; ^~~~ C:\B2B\work\slprj\autosar\_sharedutils\rtwtypes.h:71:1: warning: useless type name in empty declaration typedef char char_T; ^~~~~~~ gmake: *** [TOS_Core.obj] Error 1 C:\B2B\work\slprj\autosar\TOS_Core\sil\hostobj\instrumented>echo The make command returned an error of 2 The make command returned an error of 2 C:\B2B\work\slprj\autosar\TOS_Core\sil\hostobj\instrumented>exit 1 Error(s) encountered while building "TOS_Core_rtwlib": ### Failed to generate all binary outputs.

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回答（1 个）

Karanjot
Karanjot 2024-11-3，19:26
Hi Deepa,
It looks like you're encountering an issue with the typedef declaration in your generated code, specifically in the 'rtwtypes.h' file. The error message indicates that there's a conflict with the 'char_T' type definition. Here are a few steps you can take to potentially resolve this issue:
  • Check for Redefinitions: Ensure 'char_T' isn't redefined elsewhere.
  • Header Conflicts: Verify no conflicting includes or directives.
  • Code Gen Settings: Review and ensure consistent data type settings.
  • Clean & Rebuild: Clear build artifacts and rebuild the model.
I hope this helps!

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