third_party/lcov/example/Makefile

   1 #
   2 # Makefile for the LCOV example program.
   3 #
   4 # Make targets:
   5 #   - example: compile the example program
   6 #   - output:  run test cases on example program and create HTML output
   7 #   - clean:   clean up directory
   8 #
   9
  10 CC      := gcc
  11 CFLAGS  := -Wall -I. -fprofile-arcs -ftest-coverage
  12
  13 LCOV    := ../bin/lcov
  14 GENHTML := ../bin/genhtml
  15 GENDESC := ../bin/gendesc
  16 GENPNG  := ../bin/genpng
  17
  18 # Depending on the presence of the GD.pm perl module, we can use the
  19 # special option '--frames' for genhtml
  20 USE_GENPNG := $(shell $(GENPNG) --help >/dev/null 2>/dev/null; echo $$?)
  21
  22 ifeq ($(USE_GENPNG),0)
  23   FRAMES := --frames
  24 else
  25   FRAMES :=
  26 endif
  27
  28 .PHONY: clean output test_noargs test_2_to_2000 test_overflow
  29
  30 all: output
  31
  32 example: example.o iterate.o gauss.o
  33         $(CC) example.o iterate.o gauss.o -o example -lgcov
  34
  35 example.o: example.c iterate.h gauss.h
  36         $(CC) $(CFLAGS) -c example.c -o example.o
  37
  38 iterate.o: methods/iterate.c iterate.h
  39         $(CC) $(CFLAGS) -c methods/iterate.c -o iterate.o
  40
  41 gauss.o: methods/gauss.c gauss.h
  42         $(CC) $(CFLAGS) -c methods/gauss.c -o gauss.o
  43
  44 output: example descriptions test_noargs test_2_to_2000 test_overflow
  45         @echo
  46         @echo '*'
  47         @echo '* Generating HTML output'
  48         @echo '*'
  49         @echo
  50         $(GENHTML) trace_noargs.info trace_args.info trace_overflow.info \
  51                    --output-directory output --title "Basic example" \
  52                    --show-details --description-file descriptions $(FRAMES) \
  53                    --legend
  54         @echo
  55         @echo '*'
  56         @echo '* See '`pwd`/output/index.html
  57         @echo '*'
  58         @echo
  59
  60 descriptions: descriptions.txt
  61         $(GENDESC) descriptions.txt -o descriptions
  62
  63 all_tests: example test_noargs test_2_to_2000 test_overflow
  64
  65 test_noargs:
  66         @echo
  67         @echo '*'
  68         @echo '* Test case 1: running ./example without parameters'
  69         @echo '*'
  70         @echo
  71         $(LCOV) --zerocounters --directory .
  72         ./example
  73         $(LCOV) --capture --directory . --output-file trace_noargs.info --test-name test_noargs --no-external
  74
  75 test_2_to_2000:
  76         @echo
  77         @echo '*'
  78         @echo '* Test case 2: running ./example 2 2000'
  79         @echo '*'
  80         @echo
  81         $(LCOV) --zerocounters --directory .
  82         ./example 2 2000
  83         $(LCOV) --capture --directory . --output-file trace_args.info --test-name test_2_to_2000 --no-external
  84
  85 test_overflow:
  86         @echo
  87         @echo '*'
  88         @echo '* Test case 3: running ./example 0 100000 (causes an overflow)'
  89         @echo '*'
  90         @echo
  91         $(LCOV) --zerocounters --directory .
  92         ./example 0 100000 || true
  93         $(LCOV) --capture --directory . --output-file trace_overflow.info --test-name "test_overflow" --no-external
  94
  95 clean:
  96         rm -rf *.o *.bb *.bbg *.da *.gcno *.gcda *.info output example \
  97         descriptions
  98