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AC_DEFUN([OSMO_AC_CODE_COVERAGE],[
dnl Check for --enable-code-coverage
AC_REQUIRE([OSMO_AX_CODE_COVERAGE])
AC_REQUIRE([AX_CHECK_COMPILE_FLAG])
AS_IF([ test "x$enable_code_coverage" = "xyes" ], [
# Check whether --coverage flags is supported and add it to CFLAGS
# When it is not supported add CODE_COVERAGE_CFLAGS to CFLAGS instead
AX_CHECK_COMPILE_FLAG([--coverage],
[CFLAGS="$CFLAGS -O0 -g --coverage"],
[CFLAGS="$CFLAGS $CODE_COVERAGE_CFLAGS"])
# Add both the absolute source and build directories to the coverage directories.
CODE_COVERAGE_DIRECTORY='$(abspath $(abs_top_srcdir)) $(abspath $(abs_top_builddir))'
AC_SUBST(CODE_COVERAGE_DIRECTORY)
# Enable branch coverage by default
CODE_COVERAGE_BRANCH_COVERAGE='1'
AC_SUBST(CODE_COVERAGE_BRANCH_COVERAGE)
# Exclude external files by default
CODE_COVERAGE_LCOV_OPTIONS='$(CODE_COVERAGE_LCOV_OPTIONS_DEFAULT) --no-external'
AC_SUBST(CODE_COVERAGE_LCOV_OPTIONS)
# Exclude tests sources from the coverage report
CODE_COVERAGE_IGNORE_PATTERN='"$(abspath $(abs_top_srcdir))/tests/*"'
AC_SUBST(CODE_COVERAGE_IGNORE_PATTERN)
# lcov_cobertura is needed only when you want to export the coverage report in
# the Cobertura's XML format supported by Jenkin's Cobertura plugin
AC_CHECK_PROG([LCOV_COBERTURA], [lcov_cobertura], [lcov_cobertura])
AS_IF([test "x$LCOV_COBERTURA" != "xno"], [m4_pattern_allow([AM_V_GEN]) CODE_COVERAGE_RULES+='
coverage-cobertura.xml: $(CODE_COVERAGE_OUTPUT_FILE)
$(AM_V_GEN)$(LCOV_COBERTURA) -b $(top_srcdir) -o $$@@ $(CODE_COVERAGE_OUTPUT_FILE)
.PHONY: code-coverage-cobertura
code-coverage-cobertura: code-coverage-capture coverage-cobertura.xml
'
], [CODE_COVERAGE_RULES+='
.PHONY: code-coverage-cobertura
code-coverage-cobertura:
@echo "Need to install lcov_cobertura"
'
])
], [CODE_COVERAGE_RULES+='
.PHONY: code-coverage-cobertura
code-coverage-cobertura:
@echo "Need to and reconfigure with --enable-code-coverage"
'
])
])
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