diff -ruN armadillo-12.0.1.orig/tests2/Makefile armadillo-12.0.1/tests2/Makefile
--- armadillo-12.0.1.orig/tests2/Makefile	2016-06-16 18:26:01.000000000 +0200
+++ armadillo-12.0.1/tests2/Makefile	2023-04-02 16:32:47.256287438 +0200
@@ -4,7 +4,7 @@
 #LIB_FLAGS = -lopenblas -llapack 
 
 #CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -O0
-CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -Og
+#CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -Og
 #CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -Og -fopenmp
 #CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -Og -DARMA_DONT_USE_WRAPPER
 #CXX_FLAGS = -std=c++11 -Wshadow -Wall -pedantic -Og -fsanitize=address -fsanitize=leak -fsanitize=undefined -fsanitize=bounds -fsanitize=bounds-strict -g