diff --git a/Makefile b/Makefile
index eb4061c4a..a897da7f2 100644
--- a/Makefile
+++ b/Makefile
@@ -383,7 +383,7 @@ validatePlatforms: ${PlatformFilesCHECKED}
 /tmp/errorlist.xml: cppcheck
 	./cppcheck --errorlist >$@
 /tmp/example.xml: cppcheck
-	./cppcheck --xml --enable=all --inconclusive --suppress=operatorEqVarError:*check.h --max-configs=1 -j 4 cli externals gui lib test 2>/tmp/example.xml
+	./cppcheck --xml --enable=all --inconclusive --max-configs=1 samples 2>/tmp/example.xml
 createXMLExamples:/tmp/errorlist.xml /tmp/example.xml
 .PHONY: validateXML
 validateXML: createXMLExamples
@@ -495,7 +495,7 @@ $(libcppdir)/ctu.o: lib/ctu.cpp externals/tinyxml/tinyxml2.h lib/astutils.h lib/
 $(libcppdir)/errorlogger.o: lib/errorlogger.cpp externals/tinyxml/tinyxml2.h lib/analyzerinfo.h lib/check.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/importproject.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(libcppdir)/errorlogger.o $(libcppdir)/errorlogger.cpp
 
-$(libcppdir)/exprengine.o: lib/exprengine.cpp lib/astutils.h lib/config.h lib/errorlogger.h lib/exprengine.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h
+$(libcppdir)/exprengine.o: lib/exprengine.cpp externals/z3_version.h lib/astutils.h lib/config.h lib/errorlogger.h lib/exprengine.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(libcppdir)/exprengine.o $(libcppdir)/exprengine.cpp
 
 $(libcppdir)/forwardanalyzer.o: lib/forwardanalyzer.cpp lib/astutils.h lib/config.h lib/errorlogger.h lib/forwardanalyzer.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/utils.h lib/valueflow.h lib/valueptr.h