diff --git a/M2/BUILD/docker/Makefile b/M2/BUILD/docker/Makefile
index 851527f4883..3554659b99f 100644
--- a/M2/BUILD/docker/Makefile
+++ b/M2/BUILD/docker/Makefile
@@ -15,6 +15,19 @@ all: build run
 clean:; [[ "$(BUILD_DIR)" =~ "M2/BUILD/build".* ]] && rm -rf $(M2_REPO)/$(BUILD_DIR)
 clean-ccache: rm -rf $(STORAGE)/.ccache
 
+## Script for building Macaulay2 (autotools)
+define M2_BUILD_SCRIPT_autotools
+set -xe
+
+git config --global --add safe.directory $(M2_HOME)/M2
+mkdir -p M2/$(BUILD_DIR)
+cd M2/$(BUILD_DIR)
+$(M2_HOME)/M2/M2/autogen.sh
+$(M2_HOME)/M2/M2/configure $(CONFIG_OPTS)
+make
+endef
+export M2_BUILD_SCRIPT_autotools
+
 ###############################################################################
 # Build targets
 
diff --git a/M2/BUILD/docker/rhel/Makefile b/M2/BUILD/docker/rhel/Makefile
index afb15de3338..04c44303ec5 100644
--- a/M2/BUILD/docker/rhel/Makefile
+++ b/M2/BUILD/docker/rhel/Makefile
@@ -8,20 +8,7 @@ BUILD_ARGS = --build-arg DISTRIBUTION=$(DISTRIBUTION) \
 	--build-arg RELEASE=$(RELEASE)
 TAG = m2-$(BUILD)-$(DISTRIBUTION)-$(RELEASE)-build
 BUILD_DIR = M2/BUILD/build-docker
-
-## Script for building Macaulay2 (autotools)
-define M2_BUILD_SCRIPT_autotools
-set -xe
-
-git config --global --add safe.directory $(M2_HOME)/M2
-mkdir -p M2/$(BUILD_DIR)
-cd M2/$(BUILD_DIR)
-$(M2_HOME)/M2/M2/autogen.sh
-$(M2_HOME)/M2/M2/configure --with-system-gc --enable-download --enable-rpm \
-	--prefix=/usr
-make
-endef
-export M2_BUILD_SCRIPT_autotools
+CONFIG_OPTS = --with-system-gc --enable-download --enable-rpm --prefix=/usr
 
 ###############################################################################
 # Build targets