Auto merge of #9863 - larsbergstrom:appveyor2, r=edunham

Fix Windows build and add AppVeyor support

Proof of success: https://ci.appveyor.com/project/larsbergstrom/servo/build/1.0.15

Fixes #9767

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appveyor.yml

@@ -0,0 +1,33 @@
+version: 1.0.{build}
+
+branches:
+  only:
+    - master
+
+platform:
+  - x64
+
+cache:
+  - .servo
+  - .cargo
+
+install:
+  - set MSYSTEM=MSYS
+  - set MSYS="winsymlinks=lnk"
+  - PATH C:\msys64\mingw64\bin;C:\msys64\usr\bin\;%PATH%
+  - bash -lc "echo $MSYSTEM; pacman --needed --noconfirm -Sy pacman-mirrors"
+  - bash -lc "pacman --noconfirm -Sy"
+  - bash -lc "pacman -Sy --needed --noconfirm git mingw-w64-x86_64-toolchain mingw-w64-x86_64-freetype mingw-w64-x86_64-icu mingw-w64-x86_64-nspr mingw-w64-x86_64-ca-certificates mingw-w64-x86_64-expat mingw-w64-x86_64-cmake tar diffutils patch patchutils make python2-setuptools"
+  - bash -lc "easy_install-2.7 pip virtualenv"
+  - bash -lc "mv /mingw64/bin/python2.exe /mingw64/bin/python2-mingw64.exe"
+  - bash -lc "mv /mingw64/bin/python2.7.exe /mingw64/bin/python2.7-mingw64.exe"
+
+build_script:
+  - cmd: >-
+      set MSYSTEM=MINGW64
+
+      PATH C:\msys64\mingw64\bin;C:\msys64\usr\bin\;%PATH%
+
+      bash -lc "cd $APPVEYOR_BUILD_FOLDER; ./mach build -d -v"
+
+test: off

components/profile/lib.rs

@@ -8,6 +8,7 @@
 #![feature(plugin)]
 #![plugin(plugins)]
 
+#[cfg(not(target_os = "windows"))]
 extern crate alloc_jemalloc;
 extern crate hbs_pow;
 extern crate ipc_channel;

components/profile/mem.rs

@@ -463,6 +463,7 @@ mod system_reporter {
                    newp: *mut c_void, newlen: size_t) -> c_int;
     }
 
+    #[cfg(not(target_os = "windows"))]
     fn jemalloc_stat(value_name: &str) -> Option<usize> {
         // Before we request the measurement of interest, we first send an "epoch"
         // request. Without that jemalloc gives cached statistics(!) which can be
@@ -498,6 +499,11 @@ mod system_reporter {
         Some(value as usize)
     }
 
+    #[cfg(target_os = "windows")]
+    fn jemalloc_stat(value_name: &str) -> Option<usize> {
+        None
+    }
+
     // Like std::macros::try!, but for Option<>.
     macro_rules! option_try(
         ($e:expr) => (match $e { Some(e) => e, None => return None })