Add some newlines at the end of files (#258)

Author: tjeyy

Makefile

@@ -43,6 +43,11 @@ ifeq ($(relaxed_build), on)
     $(warning $(NAME) will be built with most compiler warnings deactivated. This is fine if you want to test $(NAME) but will become an issue when you want to contribute code.)
 else
     LIB_CFLAGS += -Wall -Werror
+    # Clang: ensure files end with newline. Missing final newlines here triggered
+    # -Wnewline-eof warnings in downstream projects (e.g., Hyrise).
+    ifneq (,$(findstring clang,$(shell $(CXX) --version 2>/dev/null)))
+        LIB_CFLAGS += -Wnewline-eof
+    endif
 endif
 
 static ?= no

src/SQLParser.h

@@ -32,4 +32,4 @@ class SQLParser {
 
 }  // namespace hsql
 
-#endif
+#endif

src/SQLParserResult.h

@@ -91,4 +91,4 @@ class SQLParserResult {
 
 }  // namespace hsql
 
-#endif  // SQLPARSER_SQLPARSER_RESULT_H
+#endif  // SQLPARSER_SQLPARSER_RESULT_H

src/parser/parser_typedef.h

@@ -30,4 +30,4 @@ struct HSQL_CUST_LTYPE {
 #define HSQL_LTYPE HSQL_CUST_LTYPE
 #define HSQL_LTYPE_IS_DECLARED 1
 
-#endif
+#endif

src/sql/DropStatement.h

@@ -22,4 +22,4 @@ struct DropStatement : SQLStatement {
 };
 
 }  // namespace hsql
-#endif
+#endif