Stupid beginners problem #1794

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1. FreekyFrank commented on May 12, 2024

   

   FreekyFrank

   on May 12, 2024

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   I should add I am not sitting on my hands but I am trying to learn about makefiles but I'm not in a position to add anything to the above.
2. FreekyFrank commented on May 13, 2024

   

   FreekyFrank

   on May 13, 2024

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   Mmm.. Here is where I am now.

   I have two versions of CppUTest one downloaded via the James Grenning book (Which works):

   g++ -g -Wall -c test.c -o test.o
   g++ -g -Wall -c AllTests.cpp -o AllTests.o
   g++ -o AllTests AllTests.o test.o -Wl,-L/home/f/code/tdd-embeded-c-james-w-grenning/cpputest/lib -lCppUTest -lCppUTestExt
   ./AllTests
   
   AllTests.cpp:9: error: Failure in TEST(FirstTestGroup, FirstTest)
   	Fail me!
   
   .
   Errors (1 failures, 1 tests, 1 ran, 1 checks, 0 ignored, 0 filtered out, 0 ms)
   
   make: *** [makefile:50: end] Error 1
   

   and one cloned from github (Which dos not work)
   NOTE: I have cut out a large number of undefined references to shorten this section:

   g++ -g -Wall -c test.c -o test.o
   g++ -g -Wall -c AllTests.cpp -o AllTests.o
   g++ -o AllTests AllTests.o test.o -Wl,-L/home/f/code/cpputest/lib -lCppUTest -lCppUTestExt
   /usr/bin/ld: /home/fsmith/code/cpputest//lib/libCppUTest.a(lib_libCppUTest_a-CommandLineTestRunner.o): in function `_sub_I_00100_0':
   CommandLineTestRunner.cpp:(.text+0x1fae): undefined reference to `__gcov_init'
   /usr/bin/ld: /home/fsmith/code/cpputest//lib/libCppUTest.a(lib_libCppUTest_a-CommandLineTestRunner.o): in function `_sub_D_00100_1':
   CommandLineTestRunner.cpp:(.text+0x1fbd): undefined reference to `__gcov_exit'
   /usr/bin/ld: /home/fsmith/code/cpputest//lib/libCppUTest.a(lib_libCppUTest_a-CommandLineTestRunner.o):(.data.rel+0x20): undefined reference to `__gcov_merge_add'
   /usr/bin/ld: /home/fsmith/code/cpputest//lib/libCppUTest.a(lib_libCppUTest_a-JUnitTestOutput.o): in function `_sub_I_00100_0':
   JUnitTestOutput.cpp:(.text+0x2d72): undefined reference to `__gcov_init'
   ...
   ...
   ...
   TestFilter.cpp:(.text+0x7fe): undefined reference to `__gcov_exit'
   /usr/bin/ld: /home/fsmith/code/cpputest//lib/libCppUTest.a(lib_libCppUTest_a-TestFilter.o):(.data.rel+0x20): undefined reference to `__gcov_merge_add'
   collect2: error: ld returned 1 exit status
   make: *** [makefile:49: end] Error 1
   

   and they are clearly different

   The Grenning one is clearly much larger

   total 5144
   drwxrwxr-x  2 fsmith fsmith    4096 May  7 19:05 ./
   drwxrwxr-x 21 fsmith fsmith    4096 May  7 19:05 ../
   -rw-rw-r--  1 fsmith fsmith       0 May  7 19:04 .dirstamp
   -rw-rw-r--  1 fsmith fsmith 3032356 May  7 19:04 libCppUTest.a
   -rw-rw-r--  1 fsmith fsmith 2220422 May  7 19:05 libCppUTestExt.a
   

   than the one from github

   total 2668
   drwxrwxr-x  2 fsmith fsmith    4096 May 10 15:18 ./
   drwxrwxr-x 22 fsmith fsmith    4096 May 10 15:18 ../
   -rw-rw-r--  1 fsmith fsmith       0 May 10 15:18 .dirstamp
   -rw-rw-r--  1 fsmith fsmith 1469036 May 10 15:18 libCppUTest.a
   -rw-rw-r--  1 fsmith fsmith 1252558 May 10 15:18 libCppUTestExt.a
   

   The date stamps are for the date the files were downloaded, etc.
   Back to the makefile and on to some real tests and code
3. basvodde commented on May 14, 2024

   

   basvodde

   on May 14, 2024

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   The undefined reference relates to having coverage enabled somewhere.

   How did you build after cloning ?
4. FreekyFrank commented on May 14, 2024

   

   FreekyFrank

   on May 14, 2024

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   Hi Thanks for the response. I believe I followed the instructions given on the github page.
   The below is my latest makefile, on Linux, which is currently setup the way that works.

   .PHONY: clean go all
   
   files = test.c AllTests.cpp
   
   CC=g++
   CFLAGS=-I.
   SILENCE = @
   
   CPPUTEST_HOME = /home/f/code/tdd-embeded-c-james-w-grenning/cpputest/
   #CPPUTEST_HOME = /home/f/code/cpputest/
   
   DEPS =
   OBJ = AllTests.o test.o
   
   ed:
   	emacs -mm $(files) makefile &
   
   %.o: %.c $(DEPS)
   	$(CC) -c -o $@ $< $(CFLAGS)
   
   go:
   	reset
   	$(MAKE) AllTests
   	./AllTests
   
   all:
   	$(MAKE) clean
   	$(MAKE) AllTests
   
   AllTests: $(OBJ)
   	$(CC) -o $@ $^ $(CFLAGS) -Wl,$(LD_LIBRARIES)
   	./AllTests
   
   clean:
   	-rm *.o
   	-rm AllTests
   	-rm *~
   
   

   I'm beginning to think the best way forward is just to delete the version that does not work.
   Frank