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#
# Makefile for the LCOV example program.
#
# Make targets:
# - example: compile the example program
# - output: run test cases on example program and create HTML output
# - clean: clean up directory
#
CC := gcc
CFLAGS := -Wall -I. -fprofile-arcs -ftest-coverage
LCOV := ../bin/lcov
GENHTML := ../bin/genhtml
GENDESC := ../bin/gendesc
GENPNG := ../bin/genpng
# Depending on the presence of the GD.pm perl module, we can use the
# special option '--frames' for genhtml
USE_GENPNG := $(shell $(GENPNG) --help >/dev/null 2>/dev/null; echo $$?)
ifeq ($(USE_GENPNG),0)
FRAMES := --frames
else
FRAMES :=
endif
.PHONY: clean output test_noargs test_2_to_2000 test_overflow
all: output
example: example.o iterate.o gauss.o
$(CC) example.o iterate.o gauss.o -o example -lgcov
example.o: example.c iterate.h gauss.h
$(CC) $(CFLAGS) -c example.c -o example.o
iterate.o: methods/iterate.c iterate.h
$(CC) $(CFLAGS) -c methods/iterate.c -o iterate.o
gauss.o: methods/gauss.c gauss.h
$(CC) $(CFLAGS) -c methods/gauss.c -o gauss.o
output: example descriptions test_noargs test_2_to_2000 test_overflow
@echo
@echo '*'
@echo '* Generating HTML output'
@echo '*'
@echo
$(GENHTML) trace_noargs.info trace_args.info trace_overflow.info \
--output-directory output --title "Basic example" \
--show-details --description-file descriptions $(FRAMES) \
--legend
@echo
@echo '*'
@echo '* See '`pwd`/output/index.html
@echo '*'
@echo
descriptions: descriptions.txt
$(GENDESC) descriptions.txt -o descriptions
all_tests: example test_noargs test_2_to_2000 test_overflow
test_noargs:
@echo
@echo '*'
@echo '* Test case 1: running ./example without parameters'
@echo '*'
@echo
$(LCOV) --zerocounters --directory .
./example
$(LCOV) --capture --directory . --output-file trace_noargs.info --test-name test_noargs
test_2_to_2000:
@echo
@echo '*'
@echo '* Test case 2: running ./example 2 2000'
@echo '*'
@echo
$(LCOV) --zerocounters --directory .
./example 2 2000
$(LCOV) --capture --directory . --output-file trace_args.info --test-name test_2_to_2000
test_overflow:
@echo
@echo '*'
@echo '* Test case 3: running ./example 0 100000 (causes an overflow)'
@echo '*'
@echo
$(LCOV) --zerocounters --directory .
./example 0 100000 || true
$(LCOV) --capture --directory . --output-file trace_overflow.info --test-name "test_overflow"
clean:
rm -rf *.o *.bb *.bbg *.da *.gcno *.gcda *.info output example \
descriptions
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