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libcares/m4/ax_code_coverage.m4  view on Meta::CPAN

		AS_IF([ test -z "$GENHTML" ], [
			AC_MSG_ERROR([Could not find genhtml from the lcov package])
		])

		dnl Build the code coverage flags
		CODE_COVERAGE_CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
		CODE_COVERAGE_LDFLAGS="-lgcov"

		AC_SUBST([CODE_COVERAGE_CFLAGS])
		AC_SUBST([CODE_COVERAGE_LDFLAGS])

CODE_COVERAGE_RULES='
# Code coverage
#
# Optional:
#  - CODE_COVERAGE_DIRECTORY: Top-level directory for code coverage reporting.
#    (Default: $(top_builddir))
#  - CODE_COVERAGE_OUTPUT_FILE: Filename and path for the .info file generated
#    by lcov for code coverage. (Default:
#    $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info)
#  - CODE_COVERAGE_OUTPUT_DIRECTORY: Directory for generated code coverage
#    reports to be created. (Default:
#    $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage)
#  - CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH: --gcov-tool pathtogcov
#  - CODE_COVERAGE_LCOV_OPTIONS_DEFAULT: Extra options to pass to the lcov instance.
#    (Default: $CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH)
#  - CODE_COVERAGE_LCOV_OPTIONS: Extra options to pass to the lcov instance.
#    (Default: $CODE_COVERAGE_LCOV_OPTIONS_DEFAULT)
#  - CODE_COVERAGE_GENHTML_OPTIONS: Extra options to pass to the genhtml
#    instance. (Default: empty)
#  - CODE_COVERAGE_IGNORE_PATTERN: Extra glob pattern of files to ignore
#
# The generated report will be titled using the $(PACKAGE_NAME) and
# $(PACKAGE_VERSION). In order to add the current git hash to the title,
# use the git-version-gen script, available online.

# Optional variables
CODE_COVERAGE_DIRECTORY ?= $(top_builddir)
CODE_COVERAGE_OUTPUT_FILE ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info
CODE_COVERAGE_OUTPUT_DIRECTORY ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage
CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH ?= --gcov-tool "$(GCOV)"
CODE_COVERAGE_LCOV_OPTIONS_DEFAULT ?= $(CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH)
CODE_COVERAGE_LCOV_OPTIONS ?= $(CODE_COVERAGE_LCOV_OPTIONS_DEFAULT)
CODE_COVERAGE_GENHTML_OPTIONS ?=
CODE_COVERAGE_IGNORE_PATTERN ?=

code_coverage_quiet = $(code_coverage_quiet_$(V))
code_coverage_quiet_ =
code_coverage_quiet_0 = --quiet

# Use recursive makes in order to ignore errors during check
check-code-coverage:
	-$(MAKE) $(AM_MAKEFLAGS) -k check
	$(MAKE) $(AM_MAKEFLAGS) code-coverage-capture

# Capture code coverage data
code-coverage-capture: code-coverage-capture-hook
	$(LCOV) $(code_coverage_quiet) --directory $(CODE_COVERAGE_DIRECTORY) --capture --output-file "$(CODE_COVERAGE_OUTPUT_FILE).tmp" --test-name "$(PACKAGE_NAME)-$(PACKAGE_VERSION)" --no-checksum --compat-libtool $(CODE_COVERAGE_LCOV_OPTIONS)
	$(LCOV) $(code_coverage_quiet) --directory $(CODE_COVERAGE_DIRECTORY) --remove "$(CODE_COVERAGE_OUTPUT_FILE).tmp" "/tmp/*" $(CODE_COVERAGE_IGNORE_PATTERN) --output-file "$(CODE_COVERAGE_OUTPUT_FILE)"
	-@rm -f $(CODE_COVERAGE_OUTPUT_FILE).tmp
	LANG=C $(GENHTML) $(code_coverage_quiet) --prefix $(CODE_COVERAGE_DIRECTORY) --output-directory "$(CODE_COVERAGE_OUTPUT_DIRECTORY)" --title "$(PACKAGE_NAME)-$(PACKAGE_VERSION) Code Coverage" --legend --show-details "$(CODE_COVERAGE_OUTPUT_FILE)" $(C...
	@echo "file://$(abs_builddir)/$(CODE_COVERAGE_OUTPUT_DIRECTORY)/index.html"

# Hook rule executed before code-coverage-capture, overridable by the user
code-coverage-capture-hook:

clean: code-coverage-clean
code-coverage-clean:
	-$(LCOV) --directory $(top_builddir) -z
	-rm -rf $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_FILE).tmp $(CODE_COVERAGE_OUTPUT_DIRECTORY)
	-find . -name "*.gcda" -o -name "*.gcov" -delete

GITIGNOREFILES ?=
GITIGNOREFILES += $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY)

DISTCHECK_CONFIGURE_FLAGS ?=
DISTCHECK_CONFIGURE_FLAGS += --disable-code-coverage

.PHONY: check-code-coverage code-coverage-capture code-coverage-capture-hook code-coverage-clean
'
	AC_SUBST([CODE_COVERAGE_RULES])
	])

	m4_ifdef([_AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE([CODE_COVERAGE_RULES])])
])