Getting started on Linux

[in...@sinelabore.com]

Hello,

I used CppUTest on Mac before without problem.

But now I wanted to switch to Ubuntu and get the following error message for a minimal example:

test.cpp:7: undefined reference to `CommandLineTestRunner::RunAllTests(int, char**)'
test.o: In function `TEST_FirstTestGroup_FirstTest_Test::testBody()':
/home/pmueller/develop/minimal_runtime/tests/test.cpp:25: undefined reference to `UtestShell::getCurrent()'
/home/pmueller/develop/minimal_runtime/tests/test.cpp:25: undefined reference to `NormalTestTerminator::~NormalTestTerminator()'
/home/pmueller/develop/minimal_runtime/tests/test.cpp:25: undefined reference to `NormalTestTerminator::~NormalTestTerminator()'
test.o: In function `__static_initialization_and_destruction_0':
/home/pmueller/develop/minimal_runtime/tests/test.cpp:23: undefined reference to `TestInstaller::TestInstaller(UtestShell&, char const*, char const*, char const*, int)'
/home/pmueller/develop/minimal_runtime/tests/test.cpp:23: undefined reference to `TestInstaller::~TestInstaller()'
test.o: In function `TestTerminator::TestTerminator()':

And this goes on ...

My main looks like:

#include <CppUTest/CommandLineTestRunner.h>
#include <stdint.h>


int main(int ac, char** av){

   int result = CommandLineTestRunner::RunAllTests(ac, av);
   return result;
}

TEST_GROUP(FirstTestGroup)
{
   void setup()
   {
   }

   void teardown()
   {
      // Uninit stuff
   }
};

TEST(FirstTestGroup, FirstTest)
{
  CHECK_TRUE(1); //  true because the buffer is empty
}



And Make looks like this:


all: test
export CPPUTEST_HOME=/usr/local
CPPFLAGS += -I$(CPPUTEST_HOME)/include
LD_LIBRARIES = -L$(CPPUTEST_HOME)/lib -lCppUTest -lCppUTestExt

test: test.o
         g++ -g $(LD_LIBRARIES) -o test test.o

test.o: test.cpp
         g++ -g $(CPPFLAGS) -c test.cpp
        
        
clean:
         rm -f *.o test




I could built CppUTest without problems. And I checked that the lib and include path is correct.

Any idea?

Thanks,
Peter

[A. Robert S.]

Did you do a "make install" when you built cpputest? It does seem to find the include files, though...

 

This can also happen when the library was compiled on a different system (e.g. Mac) or with a very different compiler.

[Wing Lin]

The link command in your makefile is incorrect; the library should come after the test.o object file due to the file dependency.

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Helle,

that was the trick. But it worked on OS X ...

Thanks!

Best regards,

Peter

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[A. Robert S.]

Actually the same thing happened to me the other day when I was playing with a new makefile. You are right, it does work on OS X. So I thought my CppUTest installation under Cygwin was broken.... but it wasn't.... then I realized my Makefile was the problem... really silly :-(.