Merge pull request #4409 from sysown/v2.6.0-clang-fix

fix clang issue

src/Makefile

@@ -115,6 +115,16 @@ endif
 STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPLUSPLUS) | cut -c3-4)
 
 
+### handle clang issue https://bugs.llvm.org/show_bug.cgi?id=16404
+CLANGFIX :=
+ifeq ($(CXX),clang++)
+  CLANG_VERSION := $(shell clang -dumpversion | tr '.' ' ' | awk '{ printf("%04d.%04d.%04d", $$1, $$2, $$3) }')
+  CLANG_MIN_VER := $(shell echo 14.0 | tr '.' ' ' | awk '{ printf("%04d.%04d.%04d", $$1, $$2, $$3) }')
+ifneq ($(CLANG_MIN_VER),$(firstword $(sort $(CLANG_VERSION) $(CLANG_MIN_VER))))
+  CLANGFIX := --rtlib=compiler-rt --unwindlib=libgcc
+endif
+endif
+
 PSQLCH :=
 ifeq ($(PROXYSQLCLICKHOUSE),1)
 	PSQLCH := -DPROXYSQLCLICKHOUSE
@@ -199,9 +209,9 @@ $(ODIR)/%.o: %.cpp
 
 $(EXECUTABLE): $(ODIR) $(OBJ) $(LIBPROXYSQLAR)
 ifeq ($(PROXYSQLCLICKHOUSE),1)
-	$(CXX) -o $@ $(OBJ) $(LIBPROXYSQLAR) $(CLICKHOUSE_CPP_LDIR)/libclickhouse-cpp-lib-static.a $(LZ4_LDIR)/liblz4.a $(MYCXXFLAGS) $(CXXFLAGS) $(LDIRS) $(LIBS) $(MYLIBS)
+	$(CXX) -o $@ $(OBJ) $(CLANGFIX) $(LIBPROXYSQLAR) $(CLICKHOUSE_CPP_LDIR)/libclickhouse-cpp-lib-static.a $(LZ4_LDIR)/liblz4.a $(MYCXXFLAGS) $(CXXFLAGS) $(LDIRS) $(LIBS) $(MYLIBS)
 else
-	$(CXX) -o $@ $(OBJ) $(LIBPROXYSQLAR) $(MYCXXFLAGS) $(CXXFLAGS) $(LDIRS) $(LIBS) $(MYLIBS)
+	$(CXX) -o $@ $(OBJ) $(CLANGFIX) $(LIBPROXYSQLAR) $(MYCXXFLAGS) $(CXXFLAGS) $(LDIRS) $(LIBS) $(MYLIBS)
 endif
 ifeq ($(UNAME_S),Darwin)
 	shasum $(EXECUTABLE) > $(EXECUTABLE).sha1