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b3b9b2bf38
Ideally we should switch to the standard macro AX_CODE_COVERAGE for code coverage, but infortunately it's not supported on older distros (e.g. on Travis). Keep using the current macro, but remove the lcov version check as it's not clear why it's needed in the first place (see [1]). The latest version of lcov is now 1.13. [1] http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=commit;h=dedd290bdb647704d74c13992bd04275d9cb648e
143 lines
5.9 KiB
Plaintext
143 lines
5.9 KiB
Plaintext
dnl GNOME_CODE_COVERAGE
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dnl
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dnl Defines CODE_COVERAGE_CFLAGS and CODE_COVERAGE_LDFLAGS which should be
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dnl included in the CFLAGS and LIBS/LDFLAGS variables of every build target
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dnl (program or library) which should be built with code coverage support.
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dnl Also defines GNOME_CODE_COVERAGE_RULES which should be substituted in your
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dnl Makefile; and $enable_code_coverage which can be used in subsequent
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dnl configure output.
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dnl
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dnl Note that all optimisation flags in CFLAGS must be disabled when code
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dnl coverage is enabled.
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dnl
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dnl Derived from Makefile.decl in GLib, originally licenced under LGPLv2.1+.
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dnl This file is licenced under LGPLv2.1+.
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dnl
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dnl Usage example:
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dnl configure.ac:
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dnl GNOME_CODE_COVERAGE
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dnl
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dnl Makefile.am:
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dnl @GNOME_CODE_COVERAGE_RULES@
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dnl my_program_LIBS = … $(CODE_COVERAGE_LDFLAGS) …
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dnl my_program_CFLAGS = … $(CODE_COVERAGE_CFLAGS) …
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dnl
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dnl This results in a “check-code-coverage” rule being added to any Makefile.am
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dnl which includes “@GNOME_CODE_COVERAGE_RULES@” (assuming the module has been
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dnl configured with --enable-code-coverage). Running `make check-code-coverage`
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dnl in that directory will run the module’s test suite (`make check`) and build
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dnl a code coverage report detailing the code which was touched, then print the
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dnl URI for the report.
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AC_DEFUN([GNOME_CODE_COVERAGE],[
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dnl Check for --enable-code-coverage
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AC_MSG_CHECKING([whether to build with code coverage support])
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AC_ARG_ENABLE([code-coverage], AS_HELP_STRING([--enable-code-coverage], [Whether to enable code coverage support]),, enable_code_coverage=no)
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AM_CONDITIONAL([CODE_COVERAGE_ENABLED], [test x$enable_code_coverage = xyes])
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AC_SUBST([CODE_COVERAGE_ENABLED], [$enable_code_coverage])
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AC_MSG_RESULT($enable_code_coverage)
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AS_IF([ test "$enable_code_coverage" = "yes" ], [
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dnl Check if gcc is being used
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AS_IF([ test "$GCC" = "no" ], [
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AC_MSG_ERROR([not compiling with gcc, which is required for gcov code coverage])
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])
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AC_CHECK_PROG([LCOV], [lcov], [lcov])
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AC_CHECK_PROG([GENHTML], [genhtml], [genhtml])
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AS_IF([ test -z "$LCOV" ], [
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AC_MSG_ERROR([lcov is needed to enable code coverage reporting])
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])
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AS_IF([ test -z "$GENHTML" ], [
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AC_MSG_ERROR([Could not find genhtml from the lcov package])
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])
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dnl Build the code coverage flags
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CODE_COVERAGE_CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage"
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CODE_COVERAGE_LDFLAGS="-lgcov"
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AC_SUBST([CODE_COVERAGE_CFLAGS])
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AC_SUBST([CODE_COVERAGE_LDFLAGS])
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])
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GNOME_CODE_COVERAGE_RULES='
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# Code coverage
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#
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# Optional:
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# - CODE_COVERAGE_DIRECTORY: Top-level directory for code coverage reporting.
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# (Default: $(top_builddir))
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# - CODE_COVERAGE_OUTPUT_FILE: Filename and path for the .info file generated
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# by lcov for code coverage. (Default:
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# $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info)
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# - CODE_COVERAGE_OUTPUT_DIRECTORY: Directory for generated code coverage
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# reports to be created. (Default:
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# $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage)
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# - CODE_COVERAGE_LCOV_OPTIONS: Extra options to pass to the lcov instance.
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# (Default: empty)
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# - CODE_COVERAGE_GENHTML_OPTIONS: Extra options to pass to the genhtml
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# instance. (Default: empty)
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# - CODE_COVERAGE_IGNORE_PATTERN: Extra glob pattern of files to ignore
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#
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# The generated report will be titled using the $(PACKAGE_NAME) and
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# $(PACKAGE_VERSION). In order to add the current git hash to the title,
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# use the git-version-gen script, available online.
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# Optional variables
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CODE_COVERAGE_DIRECTORY ?= $(top_builddir)
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CODE_COVERAGE_OUTPUT_FILE ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info
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CODE_COVERAGE_OUTPUT_DIRECTORY ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage
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CODE_COVERAGE_LCOV_OPTIONS ?=
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CODE_COVERAGE_GENHTML_OPTIONS ?=
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CODE_COVERAGE_IGNORE_PATTERN ?=
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code_coverage_quiet = $(code_coverage_quiet_$(V))
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code_coverage_quiet_ = $(code_coverage_quiet_$(AM_DEFAULT_VERBOSITY))
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code_coverage_quiet_0 = --quiet
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# Use recursive makes in order to ignore errors during check
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check-code-coverage:
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ifeq ($(CODE_COVERAGE_ENABLED),yes)
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-$(MAKE) $(AM_MAKEFLAGS) -k check
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$(MAKE) $(AM_MAKEFLAGS) code-coverage-capture
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else
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@echo "Need to reconfigure with --enable-code-coverage"
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endif
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# Capture code coverage data
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code-coverage-capture: code-coverage-capture-hook
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ifeq ($(CODE_COVERAGE_ENABLED),yes)
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$(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 $(CODE_COVERAGE_LCOV_OPTIONS)
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$(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)"
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-@rm -f $(CODE_COVERAGE_OUTPUT_FILE).tmp
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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)" $(CODE_COVERAGE_GENHTML_OPTIONS)
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@echo "file://$(abs_builddir)/$(CODE_COVERAGE_OUTPUT_DIRECTORY)/index.html"
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else
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@echo "Need to reconfigure with --enable-code-coverage"
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endif
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# Hook rule executed before code-coverage-capture, overridable by the user
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code-coverage-capture-hook:
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ifeq ($(CODE_COVERAGE_ENABLED),yes)
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clean: code-coverage-clean
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code-coverage-clean:
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-$(LCOV) --directory $(top_builddir) -z
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-rm -rf $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_FILE).tmp $(CODE_COVERAGE_OUTPUT_DIRECTORY)
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-find . -name "*.gcda" -o -name "*.gcov" -delete
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endif
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GITIGNOREFILES ?=
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GITIGNOREFILES += $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY)
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DISTCHECK_CONFIGURE_FLAGS ?=
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DISTCHECK_CONFIGURE_FLAGS += --disable-code-coverage
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.PHONY: check-code-coverage code-coverage-capture code-coverage-capture-hook code-coverage-clean
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'
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AC_SUBST([GNOME_CODE_COVERAGE_RULES])
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m4_ifdef([_AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE([GNOME_CODE_COVERAGE_RULES])])
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])
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