[docs] Update to mention meson

BUILD.md

@@ -7,11 +7,8 @@ whereas on Fedora, RHEL, CentOS, and other Red Hat based systems you would do:
 
     sudo yum install gcc gcc-c++ freetype-devel glib2-devel cairo-devel
 
-on Windows, consider using [vcpkg](https://github.com/Microsoft/vcpkg),
-provided by Microsoft, for building HarfBuzz and other open-source libraries
-but if you need to build harfbuzz from source, put ragel binary on your
-PATH and follow appveyor CI's cmake
-[build steps](https://github.com/harfbuzz/harfbuzz/blob/master/appveyor.yml).
+on Windows, consider using [vcpkg](https://github.com/Microsoft/vcpkg)
+or `meson build && ninja -Cbuild`.
 
 on macOS, using MacPorts:
 

CONFIG.md

@@ -1,7 +1,7 @@
 # Configuring HarfBuzz
 
 Most of the time you will not need any custom configuration.  The configuration
-options provided by `configure` or `cmake` should be enough.  In particular,
+options provided by `configure` or `meson` should be enough.  In particular,
 if you just want HarfBuzz library plus hb-shape / hb-view utilities, make sure
 FreeType and Cairo are available and found during configuration.
 

TESTING.md

@@ -55,10 +55,9 @@ make CPPFLAGS=-DHB_DEBUG_SUBSET=100
 Note: You'll need to first install ninja-build via apt-get.
 
 ```shell
-cd harfbuzz
-mkdir build
-cmake -DHB_CHECK=ON -Bbuild -H. -GNinja && ninja -Cbuild && CTEST_OUTPUT_ON_FAILURE=1 ninja -Cbuild test
+meson build && ninja -Cbuild && ninja -Cbuild test
 ```
+
 ## Test with the Fuzzer
 
 ```shell