1 files changed, 2 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index cdf10eb..db0e8ab 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,8 @@ RUNS = $(TEST:%=run/%)
 DEPS_GEN  = -MMD
 SANITIZER = -fsanitize=address -fsanitize=undefined -fsanitize=leak -fno-omit-frame-pointer
 
-CXXFLAGS  = -Og -g -Wall -Wextra -Werror -I. -std=c++14 $(DEPS_GEN) $(SANITIZER)
+STD      ?= 14
+CXXFLAGS  = -Og -g -Wall -Wextra -Werror -I. -std=c++$(STD) $(DEPS_GEN) $(SANITIZER)
 LDFLAGS   = $(SANITIZER)
 
 # -- RULES ---------------------------------------------------------------------