modified meta.yaml for Windows build using msys2

.appveyor.yml

@@ -0,0 +1,53 @@
+# This file was automatically generated by conda-smithy. To update a component of this
+# file, make changes to conda-forge.yml and/or recipe/meta.yaml, and run
+# "conda smithy rerender".
+
+environment:
+
+  BINSTAR_TOKEN:
+    # The BINSTAR_TOKEN secure variable. This is defined canonically in conda-forge.yml.
+    secure: tumuXLL8PU75WMnRDemRy02ruEq2RpNxeK3dz0MjFssnosPm2v4EFjfNB4PTotA1
+
+  matrix:
+    - CONFIG: win_c_compilervs2015python3.6
+      CONDA_INSTALL_LOCN: C:\Miniconda36-x64
+
+
+# We always use a 64-bit machine, but can build x86 distributions
+# with the TARGET_ARCH variable.
+platform:
+    - x64
+
+install:
+    # If there is a newer build queued for the same PR, cancel this one.
+    - cmd: |
+        powershell -Command "(New-Object Net.WebClient).DownloadFile('https://raw.githubusercontent.com/conda-forge/conda-forge-ci-setup-feedstock/master/recipe/ff_ci_pr_build.py', 'ff_ci_pr_build.py')"
+        ff_ci_pr_build -v --ci "appveyor" "%APPVEYOR_ACCOUNT_NAME%/%APPVEYOR_PROJECT_SLUG%" "%APPVEYOR_BUILD_NUMBER%" "%APPVEYOR_PULL_REQUEST_NUMBER%"
+        del ff_ci_pr_build.py
+
+    # Cywing's git breaks conda-build. (See https://github.com/conda-forge/conda-smithy-feedstock/pull/2.)
+    - cmd: rmdir C:\cygwin /s /q
+
+    # Add path, activate `conda` and update conda.
+    - cmd: call %CONDA_INSTALL_LOCN%\Scripts\activate.bat
+    - cmd: conda.exe update --yes --quiet conda
+
+    - cmd: set PYTHONUNBUFFERED=1
+
+    # Add our channels.
+    - cmd: conda.exe config --set show_channel_urls true
+    - cmd: conda.exe config --remove channels defaults
+    - cmd: conda.exe config --add channels defaults
+    - cmd: conda.exe config --add channels conda-forge
+
+    # Configure the VM.
+    - cmd: conda.exe install -n root --quiet --yes conda-forge-ci-setup=1
+    - cmd: run_conda_forge_build_setup
+
+# Skip .NET project specific build phase.
+build: off
+
+test_script:
+    - conda.exe build recipe -m .ci_support\%CONFIG%.yaml --quiet
+deploy_script:
+    - cmd: upload_or_check_non_existence .\recipe conda-forge --channel=main -m .ci_support\%CONFIG%.yaml

.ci_support/linux_python3.6.yaml

@@ -10,8 +10,8 @@ pin_run_as_build:
   libiconv:
     max_pin: x.x
   python:
-    max_pin: x.x
     min_pin: x.x
+    max_pin: x.x
   zlib:
     max_pin: x.x
 python:

.ci_support/osx_python3.6.yaml

@@ -16,8 +16,8 @@ pin_run_as_build:
   libiconv:
     max_pin: x.x
   python:
-    max_pin: x.x
     min_pin: x.x
+    max_pin: x.x
   zlib:
     max_pin: x.x
 python:

.ci_support/win_c_compilervs2015python3.6.yaml

@@ -0,0 +1,19 @@
+c_compiler:
+- vs2015
+libiconv:
+- '1.15'
+pin_run_as_build:
+  libiconv:
+    max_pin: x.x
+  python:
+    min_pin: x.x
+    max_pin: x.x
+  zlib:
+    max_pin: x.x
+python:
+- '3.6'
+zip_keys:
+- - python
+  - c_compiler
+zlib:
+- '1.2'

.github/PULL_REQUEST_TEMPLATE.md

@@ -6,7 +6,7 @@ Checklist
 * [ ] Used a fork of the feedstock to propose changes
 * [ ] Bumped the build number (if the version is unchanged)
 * [ ] Reset the build number to `0` (if the version changed)
-* [ ] [Re-rendered]( https://conda-forge.org/docs/conda_smithy.html#how-to-re-render ) with the latest `conda-smithy` (`@conda-forge-admin, please rerender`)
+* [ ] [Re-rendered]( https://conda-forge.org/docs/conda_smithy.html#how-to-re-render ) with the latest `conda-smithy` (Use the phrase <code>@<space/>conda-forge-admin, please rerender</code> in a comment in this PR for automated rerendering)
 * [ ] Ensured the license file is being packaged.
 
 <!--

README.md

@@ -16,7 +16,7 @@ Current build status
 
 [![Linux](https://img.shields.io/circleci/project/github/conda-forge/glib-feedstock/master.svg?label=Linux)](https://circleci.com/gh/conda-forge/glib-feedstock)
 [![OSX](https://img.shields.io/travis/conda-forge/glib-feedstock/master.svg?label=macOS)](https://travis-ci.org/conda-forge/glib-feedstock)
-![Windows disabled](https://img.shields.io/badge/Windows-disabled-lightgrey.svg)
+[![Windows](https://img.shields.io/appveyor/ci/conda-forge/glib-feedstock/master.svg?label=Windows)](https://ci.appveyor.com/project/conda-forge/glib-feedstock/branch/master)
 
 Current release info
 ====================
@@ -58,13 +58,13 @@ for each of the installable packages. Such a repository is known as a *feedstock
 A feedstock is made up of a conda recipe (the instructions on what and how to build
 the package) and the necessary configurations for automatic building using freely
 available continuous integration services. Thanks to the awesome service provided by
-[CircleCI](https://circleci.com/), [AppVeyor](http://www.appveyor.com/)
+[CircleCI](https://circleci.com/), [AppVeyor](https://www.appveyor.com/)
 and [TravisCI](https://travis-ci.org/) it is possible to build and upload installable
 packages to the [conda-forge](https://anaconda.org/conda-forge)
-[Anaconda-Cloud](http://docs.anaconda.org/) channel for Linux, Windows and OSX respectively.
+[Anaconda-Cloud](https://anaconda.org/) channel for Linux, Windows and OSX respectively.
 
 To manage the continuous integration and simplify feedstock maintenance
-[conda-smithy](http://github.com/conda-forge/conda-smithy) has been developed.
+[conda-smithy](https://github.com/conda-forge/conda-smithy) has been developed.
 Using the ``conda-forge.yml`` within this repository, it is possible to re-render all of
 this feedstock's supporting files (e.g. the CI configuration files) with ``conda smithy rerender``.
 
@@ -100,7 +100,7 @@ build distinct package versions.
 
 In order to produce a uniquely identifiable distribution:
  * If the version of a package **is not** being increased, please add or increase
-   the [``build/number``](http://conda.pydata.org/docs/building/meta-yaml.html#build-number-and-string).
+   the [``build/number``](https://conda.io/docs/user-guide/tasks/build-packages/define-metadata.html#build-number-and-string).
  * If the version of a package **is** being increased, please remember to return
-   the [``build/number``](http://conda.pydata.org/docs/building/meta-yaml.html#build-number-and-string)
-   back to 0.
+   the [``build/number``](https://conda.io/docs/user-guide/tasks/build-packages/define-metadata.html#build-number-and-string)
+   back to 0.

recipe/meta.yaml

@@ -21,24 +21,28 @@ source:
     - no_fileutils_test.patch
 
 build:
-  number: 2
-  skip: True  # [win or not py36]
+  number: 3
+  skip: True  # [not py36]
   detect_binary_files_with_prefix: True
 
 requirements:
   build:
-    - pkg-config
+    - pkg-config        # [not win] 
     - {{ compiler('c') }}
   host:
     - python
-    - libffi
-    - gettext
+    - libffi        # [not win]
+    - m2-libffi     # [win]
+    - gettext       # [not win]
+    - m2-gettext    # [win]
     - zlib
     - pcre
     - libiconv
   run:
-    - libffi
-    - gettext
+    - libffi        # [not win]
+    - m2-libffi     # [win]
+    - gettext       # [not win]
+    - m2-gettext    # [win]
     - zlib
     - pcre
     - libiconv