Add AppVeyor CI support

Build on Linux and MSYS2.

.appveyor.yml

@@ -0,0 +1,37 @@
+image:
+- Ubuntu
+- Visual Studio 2017
+
+for:
+-
+  matrix:
+    except:
+      - image: Ubuntu
+  environment:
+    PATH: C:\msys64\%MSYSTEM%\bin;C:\msys64\usr\bin;%PATH%
+    MSYSTEM: MINGW32
+    CHERE_INVOKING: 1
+
+
+install:
+  - sh: sudo apt-get update
+  - sh: sudo apt-get --yes install libpoppler-glib-dev poppler-utils libwxgtk3.0-dev
+  - cmd: sh -lc "pacman --noconfirm --sync --refresh --refresh pacman"
+  - cmd: sh -lc "pacman --noconfirm --sync --refresh --refresh --sysupgrade --sysupgrade"
+  - cmd: sh -lc "pacman --noconfirm -S zip mingw-w64-i686-{poppler,wxWidgets}"
+
+build_script:
+  - sh: ./bootstrap && ./configure && make
+  - cmd: sh -lc "./bootstrap && ./configure && make"
+
+after_build:
+  - sh: make dist
+  - sh: appveyor PushArtifact diff-pdf*.tar.gz
+  - cmd: sh -lc "make windows-dist"
+  - ps: Get-ChildItem .\diff-pdf*.zip | % { Push-AppveyorArtifact $_.FullName -FileName $_.Name }
+
+deploy:
+  provider: Environment
+  name: github
+  on:
+    APPVEYOR_REPO_TAG: true

README.md

@@ -5,6 +5,8 @@ with finishing it. However, please do not expect any kind of support, including
 implementation of feature requests or fixes. If you're not a developer and/or
 willing to get your hands dirty, this tool is probably not for you.*
 
+[![Build status](https://ci.appveyor.com/api/projects/status/m6d8n2kcyvk3cqi6?svg=true)](https://ci.appveyor.com/project/vslavik/diff-pdf)
+
 ## Usage
 
 diff-pdf is a tool for visually comparing two PDFs.
@@ -124,7 +126,7 @@ included with MSYS, using these commands:
     ```
     $ pacman -Syu
     $ pacman -S automake autoconf pkg-config make zip
-    $ pacman -S pacman -S mingw-w64-i686-{gcc,poppler,wxWidgets}
+    $ pacman -S mingw-w64-i686-{gcc,poppler,wxWidgets}
     ```
 
 1. Build diff-pdf in the same way as in the instructions for Unix above:

win32/collect-dlls.sh

@@ -20,7 +20,10 @@ while true ; do
     if [ $file_count -eq $last_file_count ] ; then break ; fi
     last_file_count=$file_count
 
-    objdump -x $OUTPUT/* | grep "DLL Name" | cut -d: -f2 | sort | uniq | while read dll ; do
-        cp -anv /mingw32/bin/$dll $OUTPUT 2>/dev/null || true
+    objdump -x $OUTPUT/* | grep "DLL Name" | cut -d: -f2 | sort | uniq | while read i ; do
+        dll=`echo $i`  # fixup weird line endings
+        if [[ -f /mingw32/bin/$dll ]] ; then
+            cp -anv /mingw32/bin/$dll $OUTPUT
+        fi
     done
 done