diff -rupN pugixml-1.14.orig/Makefile pugixml-1.14/Makefile
--- pugixml-1.14.orig/Makefile	2023-11-15 01:33:42.867974887 +0000
+++ pugixml-1.14/Makefile	2023-11-15 01:34:25.850537167 +0000
@@ -1,7 +1,7 @@
 .SUFFIXES:
 MAKEFLAGS+=-r
 
-config=debug
+config=release
 defines=standard
 cxxstd=c++11
 # set cxxstd=any to disable use of -std=...
@@ -18,7 +18,7 @@ CXXFLAGS=-g -Wall -Wextra -Werror -pedan
 LDFLAGS=
 
 ifeq ($(config),release)
-	CXXFLAGS+=-O3 -DNDEBUG
+	CXXFLAGS+=-Ofast -DNDEBUG
 endif
 
 ifeq ($(config),coverage)