Miscellaneous attempts to fix Windows builds

.appveyor.yml

@@ -9,17 +9,23 @@ environment:
   RUST_BACKTRACE: 1
   matrix:
     # 32-bit
-    - RUBY_VERSION: 23
+    - RUBY_VERSION: 26
       RUST_HOST: i686-pc-windows-msvc
       RUST_VERSION: stable
+      MINGW64_PATH: C:\mingw-w64\i686-6.3.0-posix-dwarf-rt_v5-rev1\mingw32
+      MSYS_PATH: C:\MinGW\msys\1.0
     # 64-bit
-    - RUBY_VERSION: 23-x64
+    - RUBY_VERSION: 26-x64
       RUST_HOST: x86_64-pc-windows-msvc
       RUST_VERSION: stable
+      MINGW64_PATH: C:\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64
+      MSYS_PATH: C:\msys64
     # 64-bit
-    - RUBY_VERSION: 23-x64
+    - RUBY_VERSION: 26-x64
       RUST_HOST: x86_64-pc-windows-msvc
       RUST_VERSION: nightly
+      MINGW64_PATH: C:\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64
+      MSYS_PATH: C:\msys64
 
 matrix:
   allow_failures:
@@ -29,7 +35,7 @@ matrix:
   fast_finish: true
 
 install:
-  - set PATH=C:\Ruby%RUBY_VERSION%\bin;C:\Ruby%RUBY_VERSION%\DevKit\bin;C:\Ruby%RUBY_VERSION%\DevKit\mingw\bin;%HOMEDRIVE%%HOMEPATH%\.cargo\bin;%APPVEYOR_BUILD_FOLDER%\ruby\windows_build;%PATH%
+  - set PATH=C:\Ruby%RUBY_VERSION%\bin;%MINGW64_PATH%\bin;%MSYS_PATH%\bin;%HOMEDRIVE%%HOMEPATH%\.cargo\bin;%APPVEYOR_BUILD_FOLDER%\ruby\windows_build;%PATH%
   - echo %PATH%
   - set HELIX_ROOT=%APPVEYOR_BUILD_FOLDER%
   - IF NOT EXIST %HOMEDRIVE%%HOMEPATH%\.cargo\bin (curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain %RUST_VERSION% --default-host %RUST_HOST% -y)

README.md

@@ -82,3 +82,9 @@ hello
 hello world
  => nil
 ```
+
+## Local Windows Development
+
+```
+set PATH=c:\Ruby26-x64\msys64\usr\bin;c:\Ruby26-x64\msys64\mingw64\bin;PATH_TO_HELIX\ruby\windows_build;%PATH%
+```

ruby/helix_runtime.gemspec

@@ -30,5 +30,5 @@ Gem::Specification.new do |spec|
 
   spec.add_development_dependency "bundler", "~> 2.0"
   spec.add_development_dependency "rspec", "~> 3.4"
-  spec.add_development_dependency "rake-compiler", "~> 0.9.7"
+  spec.add_development_dependency "rake-compiler", "~> 1.0.7"
 end

ruby/spec/support/dummy/ext/dummy/extconf.rb

@@ -1,7 +1,8 @@
-require "mkmf"
-
 root_dir = File.expand_path("../../../../../..", __FILE__)
 
+require "mkmf"
+require "#{root_dir}/lib/helix_runtime/version"
+
 dir_config "dummy"
 find_header "helix_runtime.h", "#{root_dir}/ext/helix_runtime/native"