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35 lines
1.2 KiB
Text
35 lines
1.2 KiB
Text
# Copyright (C) CZ.NIC, z.s.p.o. and contributors
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# SPDX-License-Identifier: GPL-2.0-or-later
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# For more information, see <https://www.knot-dns.cz/>
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AC_DEFUN([AX_CODE_COVERAGE], [
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dnl Check for --enable-code-coverage
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AC_ARG_ENABLE([code-coverage],
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AS_HELP_STRING([--enable-code-coverage], [enable code coverage testing with gcov]),
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[enable_code_coverage=$enableval],
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[enable_code_coverage=no]
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)
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AM_CONDITIONAL([CODE_COVERAGE_ENABLED], [test "$enable_code_coverage" = "yes"])
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AC_SUBST([CODE_COVERAGE_ENABLED], [$enable_code_coverage])
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AS_IF([test "$enable_code_coverage" = "yes"], [
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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 "$LCOV"], [
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AC_MSG_ERROR([Could not find lcov])
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])
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AS_IF([test -z "$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 Remove all optimization flags from CFLAGS
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changequote({,})
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CFLAGS=`echo "$CFLAGS" | $SED -e 's/-O[0-9]*//g'`
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changequote([,])
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dnl Add the coverage flags (clang, gcc)
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CFLAGS="$CFLAGS --coverage -fprofile-update=atomic"
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LDFLAGS="$LDFLAGS --coverage -fprofile-update=atomic"
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])
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]) # AC_CODE_COVERAGE
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