diff --git a/.gitignore b/.gitignore
index c5ab058..5d65b6d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,5 +2,5 @@ bin
 dockcross
 */test/
 Dockerfile
-*/install-openssl.sh
-!imagefiles/install-openssl.sh
+*/imagefiles/*
+!imagefiles/*
diff --git a/Makefile b/Makefile
index 42582a3..fd38ee2 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,9 @@ test: base.test $(addsuffix .test,$(IMAGES))
 #
 # browser-asmjs
 #
-browser-asmjs: base
+browser-asmjs: base browser-asmjs/Dockerfile.in common.docker
+	sed '/common.docker/ r common.docker' $@/Dockerfile.in > $@/Dockerfile
+	mkdir -p $@/imagefiles && cp -r imagefiles $@/
 	cp -r test browser-asmjs/
 	$(DOCKER) build -t $(ORG)/browser-asmjs \
 		--build-arg IMAGE=$(ORG)/browser-asmjs \
@@ -48,10 +50,13 @@ browser-asmjs: base
 		--build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` \
 		browser-asmjs
 	rm -rf browser-asmjs/test
+	rm -rf $@/imagefiles
 
 browser-asmjs.test: browser-asmjs
+	cp -r test browser-asmjs/
 	$(DOCKER) run --rm dockcross/browser-asmjs > $(BIN)/dockcross-browser-asmjs && chmod +x $(BIN)/dockcross-browser-asmjs
 	$(BIN)/dockcross-browser-asmjs python test/run.py --exe-suffix ".js"
+	rm -rf browser-asmjs/test
 
 #
 # manylinux-x64
@@ -60,12 +65,14 @@ manylinux-x64/Dockerfile: manylinux-x64/Dockerfile.in common.docker common.manyl
 	sed -e '/common.docker/ r common.docker' -e '/common.manylinux/ r common.manylinux' manylinux-x64/Dockerfile.in > manylinux-x64/Dockerfile
 
 manylinux-x64: manylinux-x64/Dockerfile
+	mkdir -p $@/imagefiles && cp -r imagefiles $@/
 	$(DOCKER) build -t $(ORG)/manylinux-x64 \
 		--build-arg IMAGE=$(ORG)/manylinux-x64 \
 		--build-arg VCS_REF=`git rev-parse --short HEAD` \
 		--build-arg VCS_URL=`git config --get remote.origin.url` \
 		--build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` \
 		-f manylinux-x64/Dockerfile .
+	rm -rf $@/imagefiles
 
 manylinux-x64.test: manylinux-x64
 	$(DOCKER) run --rm dockcross/manylinux-x64 > $(BIN)/dockcross-manylinux-x64 && chmod +x $(BIN)/dockcross-manylinux-x64
@@ -78,12 +85,14 @@ manylinux-x86/Dockerfile: manylinux-x86/Dockerfile.in common.docker common.manyl
 	sed -e '/common.docker/ r common.docker' -e '/common.manylinux/ r common.manylinux' manylinux-x86/Dockerfile.in > manylinux-x86/Dockerfile
 
 manylinux-x86: manylinux-x86/Dockerfile
+	mkdir -p $@/imagefiles && cp -r imagefiles $@/
 	$(DOCKER) build -t $(ORG)/manylinux-x86 \
 		--build-arg IMAGE=$(ORG)/manylinux-x86 \
 		--build-arg VCS_REF=`git rev-parse --short HEAD` \
 		--build-arg VCS_URL=`git config --get remote.origin.url` \
 		--build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` \
 		-f manylinux-x86/Dockerfile .
+	rm -rf $@/imagefiles
 
 manylinux-x86.test: manylinux-x86
 	$(DOCKER) run --rm dockcross/manylinux-x86 > $(BIN)/dockcross-manylinux-x86 && chmod +x $(BIN)/dockcross-manylinux-x86
@@ -116,13 +125,14 @@ $(VERBOSE).SILENT: display_images
 # build implicit rule
 #
 $(STANDARD_IMAGES): base
-	cp imagefiles/install-openssl.sh $@/
+	mkdir -p $@/imagefiles && cp -r imagefiles $@/
 	$(DOCKER) build -t $(ORG)/$@ \
 		--build-arg IMAGE=$(ORG)/$@ \
 		--build-arg VCS_REF=`git rev-parse --short HEAD` \
 		--build-arg VCS_URL=`git config --get remote.origin.url` \
 		--build-arg BUILD_DATE=`date -u +"%Y-%m-%dT%H:%M:%SZ"` \
 		$@
+	rm -rf $@/imagefiles
 
 #
 # testing implicit rule
diff --git a/linux-x86/Dockerfile b/linux-x86/Dockerfile
index b3754c8..62fa062 100644
--- a/linux-x86/Dockerfile
+++ b/linux-x86/Dockerfile
@@ -34,7 +34,7 @@ ENV AS=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-as \
     CXX=${CROSS_ROOT}/bin/${CROSS_TRIPLE}-g++
 
 
-COPY install-openssl.sh /dockcross/
+COPY imagefiles/install-openssl.sh /dockcross/
 RUN \
   /dockcross/install-openssl.sh -32 && \
   rm /dockcross/install-openssl.sh