diff -ruN armadillo-11.4.0.orig/tests2/Makefile armadillo-11.4.0/tests2/Makefile
--- armadillo-11.4.0.orig/tests2/Makefile	2022-10-03 19:26:59.699937940 +0200
+++ armadillo-11.4.0/tests2/Makefile	2022-10-03 19:27:24.954277418 +0200
@@ -3,7 +3,7 @@
 #LIB_FLAGS = -lblas -llapack 
 #LIB_FLAGS = -lopenblas -llapack 
 
-CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -O0
+#CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -O0
 #CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -O0 -fopenmp
 #CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -O0 -DARMA_DONT_USE_WRAPPER
 #CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -O0 -fsanitize=address -fsanitize=leak -fsanitize=undefined -fsanitize=bounds -fsanitize=bounds-strict -g