--- ./Makefile.orig	2025-06-11 21:14:16.839065161 -0500
+++ ./Makefile	2025-06-11 21:15:22.116951849 -0500
@@ -144,7 +144,7 @@
 
 # CFLAGS (i.e compile flags for the target compiler) are OPTFLAGS and SYSDEFS,
 # DO NOT OVERRIDE
-CFLAGS = $(OPTFLAGS) $(SYSDEFS)
+CFLAGS = $(OPTFLAGS) $(SYSDEFS) -std=gnu17
 
 # For making dependencies under BSD systems
 DEPENDFLAG = -M