Merge pull request #41 from crystal-lang/omnibus-llvm6

Build LLVM in CI and upgrade to llvm 6.0.1 in omnibus

Author: Brian J. Cardiff

.circleci/config.yml

@@ -0,0 +1,43 @@
+version: 2
+
+jobs:
+  omnibus_osx_llvm:
+    macos:
+      xcode: "9.0"
+    environment:
+      LLVM_VERSION: 6.0.1
+      MACOSX_DEPLOYMENT_TARGET: 10.11
+    shell: /bin/bash --login -eo pipefail
+    steps:
+      - run:
+          name: Setup environment
+          command: |
+            brew update
+            brew install pkgconfig libtool cmake
+
+            sudo mkdir -p /opt/llvm
+            sudo chown $(whoami) /opt/llvm/
+            sudo mkdir -p /var/cache
+            sudo chown $(whoami) /var/cache
+      - checkout
+      - run:
+          no_output_timeout: 140m
+          name: Build LLVM
+          command: |
+            cd omnibus
+            bundle check || bundle install --binstubs
+            bundle exec omnibus build llvm
+      - store_artifacts:
+          path: ./omnibus/pkg
+          destination: llvm
+
+workflows:
+  version: 2
+
+  build_llvm:
+    jobs:
+      - omnibus_osx_llvm:
+          filters:
+            branches:
+              only:
+                - /.*\bbuild-llvm\b.*/

omnibus/config/software/llvm.rb

@@ -1,8 +1,16 @@
 name "llvm"
-default_version "3.9.1"
+LLVM_VERSION = (ENV['LLVM_VERSION'] || "6.0.1").strip
+default_version LLVM_VERSION
 
-source :url => "http://releases.llvm.org/3.9.1/llvm-3.9.1.src.tar.xz",
-       :md5 => "3259018a7437e157f3642df80f1983ea"
+source url: "http://releases.llvm.org/#{version}/llvm-#{version}.src.tar.xz"
+
+version "3.9.1" do
+  source md5: "3259018a7437e157f3642df80f1983ea"
+end
+
+version "6.0.1" do
+  source md5: "c88c98709300ce2c285391f387fecce0"
+end
 
 relative_path "llvm-#{version}.src"
 

omnibus/config/software/llvm_bin.rb

@@ -1,14 +1,27 @@
 name "llvm_bin"
-default_version "3.9.1-1"
+LLVM_VERSION = (ENV['LLVM_VERSION'] || "6.0.1").strip
+default_version "#{LLVM_VERSION}-1"
 
 if linux?
-  if _64_bit?
-    source_md5 = "cedaa626e3959b5ab467467e6dfb91fe"
+  case LLVM_VERSION
+  when "3.9.1"
+    if _64_bit?
+      source_md5 = "cedaa626e3959b5ab467467e6dfb91fe"
+    else
+      source_md5 = "8b847e903163054196d3854122363b8b"
+    end
   else
-    source_md5 = "8b847e903163054196d3854122363b8b"
+    raise "llvm_bin #{LLVM_VERSION} not supported on linux"
   end
 elsif mac_os_x? && _64_bit?
-  source_md5 = "9fb52b6a648e700f431b459586eb5403"
+  case LLVM_VERSION
+  when "3.9.1"
+    source_md5 = "9fb52b6a648e700f431b459586eb5403"
+  when "6.0.1"
+    source_md5 = "435beaff5e309921f4d87c275cad4e03"
+  else
+    raise "llvm_bin #{LLVM_VERSION} not supported on osx"
+  end
 end
 
 source url: "http://crystal-lang.s3.amazonaws.com/llvm/llvm-#{version}-#{ohai['os']}-#{ohai['kernel']['machine']}.tar.gz",