[doc] more on build

BUILD.md

@@ -16,10 +16,26 @@ then use meson to build the project like `meson build && meson test -Cbuild`.
 On macOS, `brew install pkg-config ragel gtk-doc freetype glib cairo meson` then use
 meson like above.
 
-On Windows, meson builds the project like above if a working MSVC's cl.exe (`vcvarsall.bat`)
-or gcc/clang is already on your path, it fetches and compiles most of the dependencies also.
+On Windows, meson can build the project like above if a working MSVC's cl.exe (`vcvarsall.bat`)
+or gcc/clang is already on your path, and if you use something like `meson build --wrap-mode=default`
+it fetches and compiles most of the dependencies also.
 
-Linux packagers are advised to at least use `--buildtype=release -Dauto_features=enabled --wrap-mode=nodownload`
+There is also amalgam source provided with HarfBuzz which reduces whole process of building
+HarfBuzz like `g++ src/harfbuzz.cc -fno-exceptions` but there is not guarantee provided
+with buildability and reliability of features you get.
+
+Our CI is also good source of learning how to build HarfBuzz.
+
+Linux packagers are advised to at least use `--buildtype=release` (or any other way
+to enable regular compiler optimization) and `-Dauto_features=enabled --wrap-mode=nodownload`
 and install any other needed packages (most distributions build harfbuzz with
-graphite support which needed to enabled separately, `-Dgraphite=enabled`),
+graphite support which needs to be enabled separately, `-Dgraphite=enabled`),
 and follow other best practices of packaging a meson project.
+
+Examples of meson built harfbuzz packages,
+* https://git.archlinux.org/svntogit/packages.git/tree/trunk?h=packages/harfbuzz
+  Which uses https://git.archlinux.org/svntogit/packages.git/tree/trunk/arch-meson?h=packages/meson
+* https://git.alpinelinux.org/aports/tree/main/harfbuzz
+  Which uses https://git.alpinelinux.org/aports/tree/main/meson/abuild-meson
+* https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-harfbuzz/PKGBUILD
+* (feel free to add you package source here)