CI: Use QuLogic's Ninja patches

This way we get some testing for the patches, and speed up our builds.

My server is hosted on a UK Linode, so it should have good uptimes.
However, we should likely move this into the Docker image at least
for Linux, and perhaps put it in a CI cache for the rest.

.appveyor.yml

@@ -57,9 +57,11 @@ install:
   - cmd: set "ORIG_PATH=%PATH%"
   # Boost 1.56.0: https://www.appveyor.com/docs/build-environment/#boost
   #- cmd: set "BOOST_ROOT=C:\Libraries\boost"
+  # Use a Ninja with QuLogic's patch: https://github.com/ninja-build/ninja/issues/1219
+  - cmd: set "MESON_FIXED_NINJA=1"
+  - ps: (new-object net.webclient).DownloadFile('http://nirbheek.in/files/binaries/ninja/win32/ninja.exe', 'C:\projects\meson\ninja.exe')
   # Use the x86 python only when building for x86 for the cpython tests.
   # For all other archs (including, say, arm), use the x64 python.
-  - ps: (new-object net.webclient).DownloadFile('https://www.dropbox.com/s/bbzvepq85hv47x1/ninja.exe?dl=1', 'C:\projects\meson\ninja.exe')
   - cmd: if %arch%==x86 (set MESON_PYTHON_PATH=C:\python34) else (set MESON_PYTHON_PATH=C:\python34-x64)
 
   # Set paths and config for each build type.

.travis.yml

@@ -30,7 +30,9 @@ matrix:
 
 before_install:
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install ninja python3; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install python3; fi
+  # Use a Ninja with QuLogic's patch: https://github.com/ninja-build/ninja/issues/1219
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then mkdir -p $HOME/tools; curl -L http://nirbheek.in/files/binaries/ninja/macos/ninja -o $HOME/tools/ninja; chmod +x $HOME/tools/ninja; fi
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then docker pull jpakkane/mesonci:zesty; fi
   - pip3 install codecov
   - mkdir .coverage
@@ -47,9 +49,9 @@ script:
       ci_env=`bash <(curl -s https://codecov.io/env)`
       docker run $ci_env -v ${PWD}/.coverage:/root/.coverage \
         withgit \
-          /bin/sh -c "cd /root && CC=$CC CXX=$CXX OBJC=$CC OBJCXX=$CXX ./run_tests.py --cov -- $MESON_ARGS && chmod -R a+rwX .coverage"
+          /bin/sh -c "cd /root && mkdir -p tools; wget -c http://nirbheek.in/files/binaries/ninja/linux-amd64/ninja -O /root/tools/ninja; chmod +x /root/tools/ninja; CC=$CC CXX=$CXX OBJC=$CC OBJCXX=$CXX PATH=/root/tools:$PATH MESON_FIXED_NINJA=1 ./run_tests.py --cov -- $MESON_ARGS && chmod -R a+rwX .coverage"
     fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then SDKROOT=$(xcodebuild -version -sdk macosx Path) OBJC=$CC OBJCXX=$CXX ./run_tests.py --cov --backend=ninja -- $MESON_ARGS ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then SDKROOT=$(xcodebuild -version -sdk macosx Path) OBJC=$CC OBJCXX=$CXX PATH=$HOME/tools:$PATH MESON_FIXED_NINJA=1 ./run_tests.py --cov --backend=ninja -- $MESON_ARGS ; fi
 
 after_success:
   - coverage3 combine

run_tests.py

@@ -104,6 +104,9 @@ def get_backend_commands(backend, debug=False):
     return cmd, clean_cmd, test_cmd, install_cmd, uninstall_cmd
 
 def ensure_backend_detects_changes(backend):
+    # We're using a ninja with QuLogic's patch for sub-1s resolution timestamps
+    if 'MESON_FIXED_NINJA' in os.environ:
+        return
     # This is needed to increase the difference between build.ninja's
     # timestamp and the timestamp of whatever you changed due to a Ninja
     # bug: https://github.com/ninja-build/ninja/issues/371