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-rw-r--r--m4/code-coverage.m445
1 files changed, 45 insertions, 0 deletions
diff --git a/m4/code-coverage.m4 b/m4/code-coverage.m4
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+++ b/m4/code-coverage.m4
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+# Copyright 2014 CZ.NIC, z.s.p.o.
+#
+# This program is free software: you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 3, as published
+# by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranties of
+# MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+# PURPOSE. See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program. If not, see <https://www.gnu.org/licenses/>.
+
+AC_DEFUN([AX_CODE_COVERAGE], [
+ dnl Check for --enable-code-coverage
+ AC_ARG_ENABLE([code-coverage],
+ AS_HELP_STRING([--enable-code-coverage], [enable code coverage testing with gcov]),
+ [enable_code_coverage=$enableval],
+ [enable_code_coverage=no]
+ )
+ AM_CONDITIONAL([CODE_COVERAGE_ENABLED], [test "$enable_code_coverage" = "yes"])
+ AC_SUBST([CODE_COVERAGE_ENABLED], [$enable_code_coverage])
+
+ AS_IF([test "$enable_code_coverage" = "yes"], [
+ AC_CHECK_PROG([LCOV], [lcov], [lcov])
+ AC_CHECK_PROG([GENHTML], [genhtml], [genhtml])
+
+ AS_IF([test -z "$LCOV"], [
+ AC_MSG_ERROR([Could not find lcov])
+ ])
+ AS_IF([test -z "$GENHTML"], [
+ AC_MSG_ERROR([Could not find genhtml from the lcov package])
+ ])
+
+ dnl Remove all optimization flags from CFLAGS
+ changequote({,})
+ CFLAGS=`echo "$CFLAGS" | $SED -e 's/-O[0-9]*//g'`
+ changequote([,])
+
+ dnl Add the coverage flags (clang, gcc)
+ CFLAGS="$CFLAGS --coverage"
+ LDFLAGS="$LDFLAGS --coverage"
+ ])
+]) # AC_CODE_COVERAGE