diff --git a/_build-deps.yml b/_build-deps.yml
index 855e845..fac886d 100644
--- a/_build-deps.yml
+++ b/_build-deps.yml
@@ -3,20 +3,33 @@
 # - building qemu
 #
 steps:
+# - bash: |
+#     sudo apt-get install -y build-essential autoconf bison flex \
+#       texinfo help2man gawk libtool-bin libncurses5-dev git libtool \
+#       gettext wget curl libglib2.0-dev libfdt-dev libpixman-1-dev zlib1g-dev \
+#       lld-9 clang-9 cmake
+
+
+# Untranslated dependencies:
+# - libpixman-1-dev
+# - libglib2.0-dev
 - bash: |
-    sudo apt-get install -y build-essential autoconf bison flex \
-      texinfo help2man gawk libtool-bin libncurses5-dev git libtool \
-      gettext wget curl libglib2.0-dev libfdt-dev libpixman-1-dev zlib1g-dev \
-      lld-9 clang-9 cmake
+    source /hbb_exe/activate
+    sudo yum install -y bison flex texinfo help2man gawk ncurses-devel \
+      ncurses-static gettext wget curl libfdt-devel
   displayName: 'Install build dependencies'
 
 - bash: |
+    source /hbb_exe/activate
     ./install-crosstool-ng.sh
   displayName: 'Build and install crosstool-ng'
 
 - bash: |
     set -e
     set -x
+
+    source /hbb_exe/activate
+
     git fetch --tags
 
     # git-describe --always almost does what we want, but we need to connect the
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 7b672a7..c188d61 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -14,11 +14,17 @@ pr:
     include:
     - '*'
 
+resources:
+  containers:
+  - container: holy-build-box
+    image: phusion/holy-build-box-64:latest
+
 jobs:
 - job: "Toolchains_RV32IMC"
   displayName: "Toolchains targeting Ibex"
   pool:
     vmImage: "ubuntu-16.04"
+  container: holy-build-box
   timeoutInMinutes: 360
   steps:
   - template: "_build-deps.yml"
@@ -56,6 +62,7 @@ jobs:
   # correct versions as implemented by clang (B 0.92).
   pool:
     vmImage: "ubuntu-16.04"
+  container: holy-build-box
   timeoutInMinutes: 360
   steps:
   - template: "_build-deps.yml"
@@ -106,11 +113,12 @@ jobs:
   - template: "_upload-artifacts.yml"
     parameters:
       azure_name: rv32imcb-toolchains
-      
+
 - job: "Toolchains_RV64IMAC"
   displayName: "GCC and Clang/LLVM toolchains targeting RV64IMAC (Muntjac)"
   pool:
     vmImage: "ubuntu-16.04"
+  container: holy-build-box
   timeoutInMinutes: 360
   steps:
   - template: "_build-deps.yml"
diff --git a/build-clang-with-args.sh b/build-clang-with-args.sh
index 7133c23..bd00bd8 100755
--- a/build-clang-with-args.sh
+++ b/build-clang-with-args.sh
@@ -24,6 +24,8 @@ if ! [ "$#" -ge 3 ]; then
   exit 2
 fi;
 
+source /hbb_exe/activate
+
 ## Take configuration from arguments
 # This is the name for the tar file.
 # Suggested to be the gcc config with s/gcc/clang/. Will be updated if it
diff --git a/build-gcc-with-args.sh b/build-gcc-with-args.sh
index bf4c62d..fd9a5e1 100755
--- a/build-gcc-with-args.sh
+++ b/build-gcc-with-args.sh
@@ -23,6 +23,8 @@ if ! [ "$#" -ge 3 ]; then
   exit 2
 fi;
 
+source /hbb_exe/activate
+
 ## Take configuration from arguments
 # This is the name for the tar file, and also the basename of the .config file
 toolchain_name="${1}"