STM32 Discovery generation code error

Hi.

Im getting an error when trying to build the examples of code generation for STM32F407 discovery board. (STM32F4-Discovery

Support Package)

Model Action Rebuild Reason =========================================================================================== stm32f4discovery_gettingstarted Failed Code generation information file does not exist.

I have followed the steps but this problems persists.

Please help.

This is the disgnostic before summary

Starting build procedure for: stm32f4discovery_gettingstarted ### Generating code and artifacts to 'Model specific' folder structure ### Generating code into build folder: C:\Users\LeandroPC\Documents\MATLAB\Examples\R2021a\stm32f4discovery\GettingStartedEmbedCoderSpkgSTMDiscoveryBoardsExample\stm32f4discovery_gettingstarted_ert_rtw ### Invoking Target Language Compiler on stm32f4discovery_gettingstarted.rtw ### Using System Target File: C:\Program Files\MATLAB\R2021a\rtw\c\ert\ert.tlc ### Loading TLC function libraries ### Initial pass through model to cache user defined code . ### Caching model source code ### Writing header file stm32f4discovery_gettingstarted_types.h . ### Writing header file stm32f4discovery_gettingstarted.h ### Writing header file rtwtypes.h ### Writing source file stm32f4discovery_gettingstarted.c ### Writing header file stm32f4discovery_gettingstarted_private.h ### Writing source file stm32f4discovery_gettingstarted_data.c . ### Writing header file rtmodel.h ### Writing source file ert_main.c ### TLC code generation complete. ### Evaluating PostCodeGenCommand specified in the model ### Using toolchain: GNU Tools for ARM Embedded Processors ### Creating 'C:\Users\LeandroPC\Documents\MATLAB\Examples\R2021a\stm32f4discovery\GettingStartedEmbedCoderSpkgSTMDiscoveryBoardsExample\stm32f4discovery_gettingstarted_ert_rtw\stm32f4discovery_gettingstarted.mk' ... ### Building 'stm32f4discovery_gettingstarted': "C:\PROGRA~1\MATLAB\R2021a\bin\win64\gmake" -f stm32f4discovery_gettingstarted.mk all MW_GNU_ARM_TOOLS_PATH = C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin C:\Users\LeandroPC\Documents\MATLAB\Examples\R2021a\stm32f4discovery\GettingStartedEmbedCoderSpkgSTMDiscoveryBoardsExample\stm32f4discovery_gettingstarted_ert_rtw>cd . C:\Users\LeandroPC\Documents\MATLAB\Examples\R2021a\stm32f4discovery\GettingStartedEmbedCoderSpkgSTMDiscoveryBoardsExample\stm32f4discovery_gettingstarted_ert_rtw>chcp 1252 Active code page: 1252 C:\Users\LeandroPC\Documents\MATLAB\Examples\R2021a\stm32f4discovery\GettingStartedEmbedCoderSpkgSTMDiscoveryBoardsExample\stm32f4discovery_gettingstarted_ert_rtw>if "" == "" ("C:\PROGRA~1\MATLAB\R2021a\bin\win64\gmake" -f stm32f4discovery_gettingstarted.mk all ) else ("C:\PROGRA~1\MATLAB\R2021a\bin\win64\gmake" -f stm32f4discovery_gettingstarted.mk ) "C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin/arm-none-eabi-gcc" -ffunction-sections -fdata-sections -Wall -MMD -MP -MF"stm32f4discovery_gettingstarted.dep" -MT"stm32f4discovery_gettingstarted.o" -c -O0 -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fdata-sections -ffunction-sections -fmessage-length=0 -fno-short-wchar -fshort-enums -fno-delete-null-pointer-checks -fomit-frame-pointer -funsigned-char -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wvla -include stm32f4discovery_wrapper.h -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=1 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DUSE_STDPERIPH_DRIVER -DUSE_STM32F4_DISCOVERY -DSTM32F4XX -DARM_MATH_CM4=1 -D__FPU_PRESENT=1 -D__FPU_USED=1U -DHSE_VALUE=8000000 -DNULL=0 -D__START=_start -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=stm32f4discovery_gettingstarted -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @stm32f4discovery_gettingstarted_comp.rsp -o "stm32f4discovery_gettingstarted.o" "C:/Users/LeandroPC/Documents/MATLAB/Examples/R2021a/stm32f4discovery/GettingStartedEmbedCoderSpkgSTMDiscoveryBoardsExample/stm32f4discovery_gettingstarted_ert_rtw/stm32f4discovery_gettingstarted.c" "C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin/arm-none-eabi-gcc" -ffunction-sections -fdata-sections -Wall -MMD -MP -MF"stm32f4discovery_gettingstarted_data.dep" -MT"stm32f4discovery_gettingstarted_data.o" -c -O0 -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fdata-sections -ffunction-sections -fmessage-length=0 -fno-short-wchar -fshort-enums -fno-delete-null-pointer-checks -fomit-frame-pointer -funsigned-char -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wvla -include stm32f4discovery_wrapper.h -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=1 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DUSE_STDPERIPH_DRIVER -DUSE_STM32F4_DISCOVERY -DSTM32F4XX -DARM_MATH_CM4=1 -D__FPU_PRESENT=1 -D__FPU_USED=1U -DHSE_VALUE=8000000 -DNULL=0 -D__START=_start -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=stm32f4discovery_gettingstarted -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @stm32f4discovery_gettingstarted_comp.rsp -o "stm32f4discovery_gettingstarted_data.o" "C:/Users/LeandroPC/Documents/MATLAB/Examples/R2021a/stm32f4discovery/GettingStartedEmbedCoderSpkgSTMDiscoveryBoardsExample/stm32f4discovery_gettingstarted_ert_rtw/stm32f4discovery_gettingstarted_data.c" "C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin/arm-none-eabi-gcc" -ffunction-sections -fdata-sections -Wall -MMD -MP -MF"blapp_support.dep" -MT"blapp_support.o" -c -O0 -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fdata-sections -ffunction-sections -fmessage-length=0 -fno-short-wchar -fshort-enums -fno-delete-null-pointer-checks -fomit-frame-pointer -funsigned-char -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wvla -include stm32f4discovery_wrapper.h -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=1 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DUSE_STDPERIPH_DRIVER -DUSE_STM32F4_DISCOVERY -DSTM32F4XX -DARM_MATH_CM4=1 -D__FPU_PRESENT=1 -D__FPU_USED=1U -DHSE_VALUE=8000000 -DNULL=0 -D__START=_start -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=stm32f4discovery_gettingstarted -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @stm32f4discovery_gettingstarted_comp.rsp -o "blapp_support.o" "C:/ProgramData/MATLAB/SupportPackages/R2021a/toolbox/target/supportpackages/stm32f4discovery/src/blapp_support.c" "C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin/arm-none-eabi-gcc" -ffunction-sections -fdata-sections -Wall -MMD -MP -MF"startup_stm32f4xx.dep" -MT"startup_stm32f4xx.o" -c -O0 -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fdata-sections -ffunction-sections -fmessage-length=0 -fno-short-wchar -fshort-enums -fno-delete-null-pointer-checks -fomit-frame-pointer -funsigned-char -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wvla -include stm32f4discovery_wrapper.h -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=1 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DUSE_STDPERIPH_DRIVER -DUSE_STM32F4_DISCOVERY -DSTM32F4XX -DARM_MATH_CM4=1 -D__FPU_PRESENT=1 -D__FPU_USED=1U -DHSE_VALUE=8000000 -DNULL=0 -D__START=_start -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=stm32f4discovery_gettingstarted -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @stm32f4discovery_gettingstarted_comp.rsp -o "startup_stm32f4xx.o" "C:/ProgramData/MATLAB/SupportPackages/R2021a/toolbox/target/supportpackages/stm32f4discovery/src/startup_stm32f4xx.c" "C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin/arm-none-eabi-gcc" -ffunction-sections -fdata-sections -Wall -MMD -MP -MF"syscalls_stm32f4xx.dep" -MT"syscalls_stm32f4xx.o" -c -O0 -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fdata-sections -ffunction-sections -fmessage-length=0 -fno-short-wchar -fshort-enums -fno-delete-null-pointer-checks -fomit-frame-pointer -funsigned-char -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wvla -include stm32f4discovery_wrapper.h -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=1 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DUSE_STDPERIPH_DRIVER -DUSE_STM32F4_DISCOVERY -DSTM32F4XX -DARM_MATH_CM4=1 -D__FPU_PRESENT=1 -D__FPU_USED=1U -DHSE_VALUE=8000000 -DNULL=0 -D__START=_start -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=stm32f4discovery_gettingstarted -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @stm32f4discovery_gettingstarted_comp.rsp -o "syscalls_stm32f4xx.o" "C:/ProgramData/MATLAB/SupportPackages/R2021a/toolbox/target/supportpackages/stm32f4discovery/src/syscalls_stm32f4xx.c" "C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin/arm-none-eabi-gcc" -ffunction-sections -fdata-sections -Wall -MMD -MP -MF"stm32f4xx_init_board.dep" -MT"stm32f4xx_init_board.o" -c -O0 -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fdata-sections -ffunction-sections -fmessage-length=0 -fno-short-wchar -fshort-enums -fno-delete-null-pointer-checks -fomit-frame-pointer -funsigned-char -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wvla -include stm32f4discovery_wrapper.h -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=1 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DUSE_STDPERIPH_DRIVER -DUSE_STM32F4_DISCOVERY -DSTM32F4XX -DARM_MATH_CM4=1 -D__FPU_PRESENT=1 -D__FPU_USED=1U -DHSE_VALUE=8000000 -DNULL=0 -D__START=_start -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=stm32f4discovery_gettingstarted -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @stm32f4discovery_gettingstarted_comp.rsp -o "stm32f4xx_init_board.o" "C:/ProgramData/MATLAB/SupportPackages/R2021a/toolbox/target/supportpackages/stm32f4discovery/src/stm32f4xx_init_board.c" "C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin/arm-none-eabi-gcc" -ffunction-sections -fdata-sections -Wall -MMD -MP -MF"system_stm32f4xx.dep" -MT"system_stm32f4xx.o" -c -O0 -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fdata-sections -ffunction-sections -fmessage-length=0 -fno-short-wchar -fshort-enums -fno-delete-null-pointer-checks -fomit-frame-pointer -funsigned-char -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wvla -include stm32f4discovery_wrapper.h -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=1 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DUSE_STDPERIPH_DRIVER -DUSE_STM32F4_DISCOVERY -DSTM32F4XX -DARM_MATH_CM4=1 -D__FPU_PRESENT=1 -D__FPU_USED=1U -DHSE_VALUE=8000000 -DNULL=0 -D__START=_start -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=stm32f4discovery_gettingstarted -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @stm32f4discovery_gettingstarted_comp.rsp -o "system_stm32f4xx.o" "C:/ProgramData/MATLAB/SupportPackages/R2021a/toolbox/target/supportpackages/stm32f4discovery/src/system_stm32f4xx.c" "C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin/arm-none-eabi-gcc" -ffunction-sections -fdata-sections -Wall -MMD -MP -MF"SysTickScheduler.dep" -MT"SysTickScheduler.o" -c -O0 -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fdata-sections -ffunction-sections -fmessage-length=0 -fno-short-wchar -fshort-enums -fno-delete-null-pointer-checks -fomit-frame-pointer -funsigned-char -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wvla -include stm32f4discovery_wrapper.h -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=1 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DUSE_STDPERIPH_DRIVER -DUSE_STM32F4_DISCOVERY -DSTM32F4XX -DARM_MATH_CM4=1 -D__FPU_PRESENT=1 -D__FPU_USED=1U -DHSE_VALUE=8000000 -DNULL=0 -D__START=_start -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=stm32f4discovery_gettingstarted -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @stm32f4discovery_gettingstarted_comp.rsp -o "SysTickScheduler.o" "C:/ProgramData/MATLAB/SupportPackages/R2021a/toolbox/target/supportpackages/armcortexmbase/scheduler/src/SysTickScheduler.c" "C:/PROGRA~3/MATLAB/SUPPOR~1/R2021a/3P778C~1.INS/GNUARM~1.INS/win/bin/arm-none-eabi-gcc" -ffunction-sections -fdata-sections -Wall -MMD -MP -MF"m3m4m4f_multitasking.dep" -MT"m3m4m4f_multitasking.o" -c -O0 -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fdata-sections -ffunction-sections -fmessage-length=0 -fno-short-wchar -fshort-enums -fno-delete-null-pointer-checks -fomit-frame-pointer -funsigned-char -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wvla -include stm32f4discovery_wrapper.h -D__MW_TARGET_USE_HARDWARE_RESOURCES_H__ -DCLASSIC_INTERFACE=0 -DALLOCATIONFCN=0 -DTERMFCN=1 -DONESTEPFCN=1 -DMAT_FILE=0 -DMULTI_INSTANCE_CODE=0 -DINTEGER_CODE=0 -DMT=0 -DTID01EQ=0 -DUSE_STDPERIPH_DRIVER -DUSE_STM32F4_DISCOVERY -DSTM32F4XX -DARM_MATH_CM4=1 -D__FPU_PRESENT=1 -D__FPU_USED=1U -DHSE_VALUE=8000000 -DNULL=0 -D__START=_start -DEXIT_FAILURE=1 -DEXTMODE_DISABLEPRINTF -DEXTMODE_DISABLETESTING -DEXTMODE_DISABLE_ARGS_PROCESSING=1 -DSTACK_SIZE=64 -DRT -DMODEL=stm32f4discovery_gettingstarted -DNUMST=1 -DNCSTATES=0 -DHAVESTDIO -DMODEL_HAS_DYNAMICALLY_LOADED_SFCNS=0 @stm32f4discovery_gettingstarted_comp.rsp -o "m3m4m4f_multitasking.o" "C:/ProgramData/MATLAB/SupportPackages/R2021a/toolbox/target/supportpackages/armcortexmbase/scheduler/src/m3m4m4f_multitasking.c" gmake: *** No rule to make target `D:/Programs/ST', needed by `stm32f4xx_gpio.o'. Stop. C:\Users\LeandroPC\Documents\MATLAB\Examples\R2021a\stm32f4discovery\GettingStartedEmbedCoderSpkgSTMDiscoveryBoardsExample\stm32f4discovery_gettingstarted_ert_rtw>echo The make command returned an error of 2 The make command returned an error of 2 C:\Users\LeandroPC\Documents\MATLAB\Examples\R2021a\stm32f4discovery\GettingStartedEmbedCoderSpkgSTMDiscoveryBoardsExample\stm32f4discovery_gettingstarted_ert_rtw>exit /B 1 ### Build procedure for stm32f4discovery_gettingstarted aborted due to an error

sorry for the long text.

The configurations are as follow:

[Sanath]

Hi, were you able to find the solution? i am currently stuck here.

[Denis Gurchenkov]

The next to last line in the error log is this:

"C:/ProgramData/MATLAB/SupportPackages/R2021a/toolbox/target/supportpackages/armcortexmbase/scheduler/src/m3m4m4f_multitasking.c" gmake: *** No rule to make target `D:/Programs/ST', needed by `stm32f4xx_gpio.o'. Stop.

Maybe there is a problem with "space in file name"? Can you check, do you have some folder with the name tarting with "d:\Programs\ST" with space in the name? If so, can you change your system configuration to install that software into a path without a space?

[Ege Gediksiz]

Having a similar problem. Matlab code generator cannot locate src files even though they are there in the cubemx project folder.

stm32g4xx_hal.h: No such file or directory error

I am using Matlab2023b in Windows 11. With MinGw version 8.1

Answer 1

[Lokesh]

Hi Leandro,

From the details provided in the error log, it is my understanding that you are encountering a build error due to a "No rule to make target" issue.

The error "No rule to make target" is commonly generated by the make/gmake build automation tool when they cannot find the necessary instructions on how to create a particular file or target.

Please refer to the following MATLAB answer, which outlines various reasons for this issue and workarounds to resolve it:

https://www.mathworks.com/matlabcentral/answers/814790