Eclipse CDT no rule to make target all

Question

My Eclipse CDT keeps complaining  make      no rule to make target all  when I am trying to compile  the piece of code below     include  lt iostream gt  using namespace std   int main       cout  lt  lt   Hello World      lt  lt  endl     prints Hello World      return 0      Anyone knows how to solve this  I have read the post with the similar title  make      No rule to make target  all  39   Stop  Eclipse error But none of those answers help     Thanks a lot

User · Answer

If the above solutions did not work for you so -

Could be that you did not install C++ compiler packages properly, flow this: (Instructions for Win7, 32bit/64bit)

Make sure you install properly one or more of the supporting C++ compiler packages:
- Eclipse CDT plugin (Installers page) (Installer guide)
- MinGW package (Install Page)
- Cygwin package (Install page)
(I installed MinGW (HowTo Install Videos can be found on YouTube))

In case you choose to install MinGW packages:
- Download MinGW installer from the Install Page above
- Run MinGW installer and make sure to choose the following packages:
  
  - mingw-developer-toolkit
  - mingw32-base
  - mingw32-gcc-g++
  - msys-base
- Add MinGW and MSYS bin paths to your PATH environment variable , if you didn't change the default installation folders you should add:
```
C:\MinGW\msys\1.0\bin;C:\MinGW\bin;
```
- Logoff and log back in for making sure Environment vars kicked in
Create a new C++ project in eclipse:
- New -> C++ Projects
- Choose Project type: Executables -> Hello World C++ project
  (Now on the right, under Toolchains you shall see MinGW GCC)
- Select MinGW GCC from the Toolchains list
- Hit Finish
In you Hello World Project you shall see + src folder, and + Includes (If so you are probably good to go).
Build project
Run it!

User · Answer

I got this same error after renaming and moving around source files  None of the proposed solutions worked for me and I tracked the error to be the meta-files under Debug directory not being updated  Deleting the entire Debug directory and re-build the project solved the problem for me

User · Answer

all  is a default setting  even though Behaviour- Build  Incremental build  tab has no variable  I solved as   Go to Project Properties   C C   Build   Behaviour Tab  Leave Build  Incremental Build  Checked  Enter  test  in the text box next to Build  Incremental Build   Build Project  You will see error message  Go back to Build  Incremental Build  and delete  test   Build Project

User · Answer

Yet another solution   I got inside objects mk file                                                                                     Automatically-generated file  Do not edit                                                                                    USER OBJS     home    mylib so  LIBS    -lstdc  fs -lGL -lGLU -lGLEW -lglut -lm -lmylib   then didn t read first line  Then altered next line  It was another projects  folder because I copied this using  copy clone project  feature and this was causing the error for me  I changed myLib so into  proper address reallyMyLib so and it worked   Warning  It may harm some unknown places  Backup whole project before doing this  Because it says  do not edit

User · Answer

Select Project- Properties from the menu bar  Click C C   Build on the left in the dialog that comes up  Under the Builder Settings tab on the right  check and make sure the  Build location  is correct

User · Answer

You have 2 cases   If you create Makefile by yourself  go to          Select Project- Properties from the menu bar    Click C C   Build on the left in the dialog that comes up    Disable generate makefile automatically -  Under the Builder Settings tab on the right  check and make sure the  Build location  is   correct  That location is where your Makefile        If you don t have Makefile -  You need Eclipse DS-5 to help you create Makefile         Select Project- Properties from the menu bar    Click C C   Build on the left in the dialog that comes up    Enable generate makefile automatically      I advise you create Makefile by your self

User · Answer

In C C   Build -  Builder Settings  select Internal builder  instead of External builder    It works for me

User · Answer

Sometimes if you are making a target via make files double check that all c files are named correctly with correct file structure

User · Answer

I just solved this exact issue for myself  even referenced this question   I m assuming you haven t written the  all  rule that Eclipse is complaining about  If this is the case  take these steps    Go to Project Properties   C C   Build   Behaviour Tab  Leave Build  Incremental Build  Checked  Remove  all  from the text box next to Build  Incremental Build   Compile away    This lets Eclipse know you aren t trying to use a make target called  all   For some reason  that is the default

User · Answer

You need to change your project settings so that Eclipse-CDT manages your Makefiles for you    Select Project- Properties from the menu bar  Click C C   Build on the left in the dialog that comes up  Under the Builder Settings tab on the right  select  Generate Makefiles automatically  under the Makefile generation section  Hit OK and build again

User · Answer

Project -  Clean -  Clean all Projects and then Project -  Build Project worked for me  I did the un-checking generate make-file automatically and then rechecking it before doing this   This was for an AVR  micro-processor programming  project through the AVR CDT plugin in eclipse Juno though

[c++] Eclipse CDT: no rule to make target all

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