appveyor: Add a Cygwin build script

appveyor.yml

@@ -38,6 +38,9 @@ cache:
 - '%LOCALAPPDATA%\pip\Cache -> appveyor.yml'
 - win_flex_bison-2.5.15.zip
 - llvm-5.0.1-msvc2017-mtd.7z
+- C:\pkgcache
+- 'C:\cygwin64\home\%USERNAME%\.ccache'
+- 'C:\cygwin\home\%USERNAME%\.ccache'
 
 os: Visual Studio 2017
 
@@ -47,17 +50,23 @@ init:
 - git config --global core.autocrlf true
 
 environment:
-  WINFLEXBISON_VERSION: 2.5.15
-  LLVM_ARCHIVE: llvm-5.0.1-msvc2017-mtd.7z
+  matrix:
+  - compiler: msvc
+    WINFLEXBISON_VERSION: 2.5.15
+    LLVM_ARCHIVE: llvm-5.0.1-msvc2017-mtd.7z
+  - compiler: cygwin
+    arch: x64
 
 install:
-- call scripts\appveyor_msvc.bat install
+- call scripts\appveyor_%compiler%.bat install
 
 build_script:
-- call scripts\appveyor_msvc.bat build_script
+- call scripts\appveyor_%compiler%.bat build_script
 
 after_build:
-- call scripts\appveyor_msvc.bat after_build
+- call scripts\appveyor_%compiler%.bat after_build
+
+test: off
 
 # It's possible to setup notification here, as described in
 # http://www.appveyor.com/docs/notifications#appveyor-yml-configuration , but

scripts/appveyor_cygwin.bat

@@ -0,0 +1,40 @@
+set PKGCACHE=C:\pkgcache
+set CYGWIN_MIRROR=http://cygwin.mirror.constant.com
+
+if _%arch%_ == _x64_ set SETUP=setup-x86_64.exe && set CYGWIN_ROOT=C:\cygwin64
+if _%arch%_ == _x86_ set SETUP=setup-x86.exe && set CYGWIN_ROOT=C:\cygwin
+
+set PATH=%CYGWIN_ROOT%\bin;%SYSTEMROOT%\system32
+
+goto %1
+
+:install
+echo Updating Cygwin and installing build prerequsites
+%CYGWIN_ROOT%\%SETUP% -qnNdO -R "%CYGWIN_ROOT%" -s "%CYGWIN_MIRROR%" -l "%PKGCACHE%" -g -P ^
+bison,^
+ccache,^
+flex,^
+glproto,^
+libX11-devel,^
+libX11-xcb-devel,^
+libXdamage-devel,^
+libXext-devel,^
+libXfixes-devel,^
+libexpat-devel,^
+libllvm-devel,^
+libxcb-dri2-devel,^
+libxcb-glx-devel,^
+libxcb-xfixes-devel,^
+meson,^
+ninja,^
+python3-mako,^
+zlib-devel
+goto :eof
+
+:build_script
+bash -lc "cd $APPVEYOR_BUILD_FOLDER; meson _build -Degl=false --wrap-mode=nofallback && ninja -C _build"
+goto :eof
+
+:after_build
+bash -lc "cd $APPVEYOR_BUILD_FOLDER; ninja -C _build test"
+goto :eof