Improved Azure install requirements

.azure/install-cmake.yml

@@ -0,0 +1,43 @@
+# This template installs CMake (if doesn't exist in the systems)
+
+steps:
+  - bash: |
+      set -ex
+      if [ -x "`command -v cmake`" ]; then
+        echo `command -v cmake` `cmake --version` installed
+      else
+        curl -O https://cmake.org/files/v3.4/cmake-3.4.1-Darwin-x86_64.tar.gz
+        tar xf cmake-3.4.1-Darwin-x86_64.tar.gz
+        export CMAKE_BIN_PATH="`pwd`/cmake-3.4.1-Darwin-x86_64/CMake.app/Contents/bin"
+        echo "##vso[task.prependpath]$CMAKE_BIN_PATH"
+      fi
+    displayName: "Install CMake (macOS)"
+    condition: eq(variables['Agent.OS'], 'Darwin')
+
+  - bash: |
+      set -ex
+      if [ -x "`command -v cmake`" ]; then
+        echo `command -v cmake` `cmake --version` installed
+      else
+        curl -O https://cmake.org/files/v3.4/cmake-3.4.1-Linux-x86_64.tar.gz
+        tar xf cmake-3.4.1-Linux-x86_64.tar.gz
+        export CMAKE_BIN_PATH="`pwd`/cmake-3.4.1-Linux-x86_64/CMake.app/Contents/bin"
+        echo "##vso[task.prependpath]$CMAKE_BIN_PATH"
+      fi
+    displayName: "Install CMake (Linux)"
+    condition: eq(variables['Agent.OS'], 'Linux')
+
+  - bash: |
+      set -ex
+      if [ -x "`command -v cmake`" ]; then
+        echo `command -v cmake` `cmake --version` installed
+      else
+        chocolatey install cmake --installargs 'ADD_CMAKE_TO_PATH=System'
+      fi
+    displayName: "Install CMake (Windows)"
+    condition: eq(variables['Agent.OS'], 'Windows_NT')
+
+  - bash: |
+      set -ex
+      cmake --version
+    displayName: CMake version

.azure/install-llvm.yml

@@ -0,0 +1,47 @@
+# This template installs LLVM (if doesn't exist in the systems)
+
+steps:
+  - bash: |
+      set -ex
+      if [ -x "`command -v llvm-config`" ]; then
+        echo `command -v llvm-config` `llvm-config --version` installed
+      else
+        curl -O https://releases.llvm.org/8.0.0/clang+llvm-8.0.0-x86_64-apple-darwin.tar.xz
+        tar xf clang+llvm-8.0.0-x86_64-apple-darwin.tar.xz
+        export LLVM_SYS_80_PREFIX="`pwd`/clang+llvm-8.0.0-x86_64-apple-darwin/"
+        echo "##vso[task.prependpath]$LLVM_SYS_80_PREFIX/bin"
+      fi
+    displayName: "Install LLVM (macOS)"
+    condition: eq(variables['Agent.OS'], 'Darwin')
+
+  - bash: |
+      set -ex
+      if [ -x "`command -v llvm-config`" ]; then
+        echo `command -v llvm-config` `llvm-config --version` installed
+      else
+        curl -O https://releases.llvm.org/8.0.0/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04.tar.xz
+        tar xf clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04.tar.xz
+        export LLVM_SYS_80_PREFIX="`pwd`/clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04/"
+        echo "##vso[task.prependpath]$LLVM_SYS_80_PREFIX/bin"
+      fi
+    displayName: "Install LLVM (Linux)"
+    condition: eq(variables['Agent.OS'], 'Linux')
+
+  - bash: |
+      set -ex
+      if [ -x "`command -v llvm-config`" ]; then
+        echo `command -v cmake` `llvm-config --version` installed
+      else
+        curl -O https://github.com/wasmerio/windows-llvm-build/releases/download/v8.0.0/llvm-8.0.0-install.zip
+        unzip llvm-8.0.0-install.zip
+        export LLVM_SYS_80_PREFIX="`pwd`/llvm-8.0.0-install/"
+        echo "##vso[task.prependpath]$LLVM_SYS_80_PREFIX/bin"
+        # chocolatey install cmake --installargs 'ADD_CMAKE_TO_PATH=System'
+      fi
+    displayName: "Install LLVM (Windows)"
+    condition: eq(variables['Agent.OS'], 'Windows_NT')
+
+  - bash: |
+      set -ex
+      llvm-config --version
+    displayName: LLVM version

.azure/install-rust.yml

@@ -6,8 +6,7 @@
 # Wasm-bindgen template: https://github.com/rustwasm/wasm-bindgen/blob/master/ci/azure-install-rust.yml
 
 steps:
-  # Install Rust in Linux, Macos
-  - script: |
+  - bash: |
       set -ex
       if [ -x "`command -v rustup`" ]; then
         echo `command -v rustup` `rustup -V` installed
@@ -18,7 +17,7 @@ steps:
     displayName: "Install Rust (Linux, macOS)"
     condition: not(eq(variables['Agent.OS'], 'Windows_NT'))
 
-  - script: |
+  - bash: |
       set -ex
       if [ -x "`command -v rustup`" ]; then
         echo `command -v rustup` `rustup -V` installed

azure-pipelines.yml

@@ -39,6 +39,8 @@ jobs:
     - checkout: self
       submodules: true
     - template: .azure/install-rust.yml
+    - template: .azure/install-cmake.yml
+    - template: .azure/install-llvm.yml
     - bash: make check
       displayName: Check with Flags
     - bash: make test