Add m17n rule

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
           # it appears to be a bug when building in containers: https://github.com/actions/checkout/issues/915
           git config --global --add safe.directory '*'
           # fetch libime submodule kenlm since it's not in .gitmodules
-          git submodule update --init --recursive libime
+          git submodule update --init --recursive --depth 1 libime m17n-cmake
 
       - name: Setup Android NDK
         uses: android-actions/setup-android@v3

.gitmodules

@@ -65,3 +65,9 @@
 [submodule "fcitx5"]
 	path = fcitx5
 	url = https://github.com/fcitx/fcitx5
+[submodule "m17n-cmake"]
+	path = m17n-cmake
+	url = https://github.com/fcitx-contrib/m17n-cmake
+[submodule "glibc"]
+	path = glibc
+	url = https://github.com/bminor/glibc

README.md

@@ -44,3 +44,6 @@ both can be installed with `sdkmanager` command line tool.
 * libchewing: [chewing/libchewing](https://github.com/chewing/libchewing)
 * libthai: [tlwg/libthai](https://github.com/tlwg/libthai)
 * libiconv: [GNU/libiconv](https://savannah.gnu.org/projects/libiconv)
+* m17n: [NonGNU/m17n](https://www.nongnu.org/m17n/)
+* glibc: [GNU/glibc](https://sourceware.org/glibc/)
+* tokyo-cabinet: [white-gecko/TokyoCabinet](https://github.com/white-gecko/TokyoCabinet)