--- testscpp/Makefile.orig	2023-07-06 22:19:16 UTC
+++ testscpp/Makefile
@@ -1,15 +1,15 @@
 ROOT := ..
 INCLUDE := $(ROOT)/dwave/preprocessing/include
 SRC := $(ROOT)/dwave/preprocessing/src
-DIMOD := $(shell python -c 'import dimod; print(dimod.get_include())')
+#DIMOD := $(shell python -c 'import dimod; print(dimod.get_include())')
 CATCH2 := $(ROOT)/testscpp/Catch2/single_include/
 SPDLOG := $(ROOT)/extern/spdlog/include/
-FLAGS := -std=c++17 -Wall -Wno-unknown-pragmas -fcompare-debug-second -O3
+FLAGS := ${CXXFLAGS} -std=c++17 -Wall -Wno-unknown-pragmas
 
 all: update tests
 
 test_main.o:
-	$(CXX) test_main.cpp -c
+	$(CXX) $(FLAGS) test_main.cpp -c
 
 # Developer note: we could make this more generic, but because the package structure
 # is not at all consistent and because we have so few test files I think it's clearer to