diff --git a/3.8-rc/alpine/Dockerfile b/3.8-rc/alpine/Dockerfile
index ee256f59..bb9b888a 100644
--- a/3.8-rc/alpine/Dockerfile
+++ b/3.8-rc/alpine/Dockerfile
@@ -43,6 +43,7 @@ RUN set -eux; \
 		autoconf \
 		dpkg-dev dpkg \
 		gcc \
+		g++ \
 		gnupg \
 		libc-dev \
 		linux-headers \
@@ -122,6 +123,7 @@ RUN set -eux; \
 		--disable-hipe \
 		--disable-sctp \
 		--disable-silent-rules \
+		--enable-jit \
 		--enable-clock-gettime \
 		--enable-hybrid-heap \
 		--enable-kernel-poll \
diff --git a/3.8-rc/ubuntu/Dockerfile b/3.8-rc/ubuntu/Dockerfile
index ac81ade9..e1357adf 100644
--- a/3.8-rc/ubuntu/Dockerfile
+++ b/3.8-rc/ubuntu/Dockerfile
@@ -49,6 +49,7 @@ RUN set -eux; \
 		ca-certificates \
 		dpkg-dev \
 		gcc \
+		g++ \
 		gnupg \
 		libncurses5-dev \
 		make \
@@ -129,6 +130,7 @@ RUN set -eux; \
 		--disable-hipe \
 		--disable-sctp \
 		--disable-silent-rules \
+		--enable-jit \
 		--enable-clock-gettime \
 		--enable-hybrid-heap \
 		--enable-kernel-poll \
diff --git a/3.8/alpine/Dockerfile b/3.8/alpine/Dockerfile
index 3f7e1c0b..ee974af9 100644
--- a/3.8/alpine/Dockerfile
+++ b/3.8/alpine/Dockerfile
@@ -43,6 +43,7 @@ RUN set -eux; \
 		autoconf \
 		dpkg-dev dpkg \
 		gcc \
+		g++ \
 		gnupg \
 		libc-dev \
 		linux-headers \
@@ -122,6 +123,7 @@ RUN set -eux; \
 		--disable-hipe \
 		--disable-sctp \
 		--disable-silent-rules \
+		--enable-jit \
 		--enable-clock-gettime \
 		--enable-hybrid-heap \
 		--enable-kernel-poll \
diff --git a/3.8/ubuntu/Dockerfile b/3.8/ubuntu/Dockerfile
index f3ebd999..3f9adc22 100644
--- a/3.8/ubuntu/Dockerfile
+++ b/3.8/ubuntu/Dockerfile
@@ -49,6 +49,7 @@ RUN set -eux; \
 		ca-certificates \
 		dpkg-dev \
 		gcc \
+		g++ \
 		gnupg \
 		libncurses5-dev \
 		make \
@@ -129,6 +130,7 @@ RUN set -eux; \
 		--disable-hipe \
 		--disable-sctp \
 		--disable-silent-rules \
+		--enable-jit \
 		--enable-clock-gettime \
 		--enable-hybrid-heap \
 		--enable-kernel-poll \
diff --git a/Dockerfile-alpine.template b/Dockerfile-alpine.template
index 7dad0715..086787fe 100644
--- a/Dockerfile-alpine.template
+++ b/Dockerfile-alpine.template
@@ -59,6 +59,7 @@ RUN set -eux; \
 		autoconf \
 		dpkg-dev dpkg \
 		gcc \
+		g++ \
 		gnupg \
 		libc-dev \
 		linux-headers \
@@ -138,6 +139,7 @@ RUN set -eux; \
 		--disable-hipe \
 		--disable-sctp \
 		--disable-silent-rules \
+		--enable-jit \
 		--enable-clock-gettime \
 		--enable-hybrid-heap \
 		--enable-kernel-poll \
diff --git a/Dockerfile-ubuntu.template b/Dockerfile-ubuntu.template
index ef8dc9ea..1c172094 100644
--- a/Dockerfile-ubuntu.template
+++ b/Dockerfile-ubuntu.template
@@ -65,6 +65,7 @@ RUN set -eux; \
 		ca-certificates \
 		dpkg-dev \
 		gcc \
+		g++ \
 		gnupg \
 		libncurses5-dev \
 		make \
@@ -145,6 +146,7 @@ RUN set -eux; \
 		--disable-hipe \
 		--disable-sctp \
 		--disable-silent-rules \
+		--enable-jit \
 		--enable-clock-gettime \
 		--enable-hybrid-heap \
 		--enable-kernel-poll \