ICU data customization for iOS

README.chromium

 Name: icu
 URL: http://site.icu-project.org/
 Version: 58.1
 License: MIT
 Security Critical: yes
 
 Description:
 This directory contains the source code of ICU 58.1 for C/C++.
 
 A. How to update ICU
@@ skipping 36 matching lines @@
 
     The full locale data for Chrome's UI languages and their select variants
     and the bare minimum locale data for other locales will be kept.
 
   e. Run
        ${CHROME_ICU_TREE_TOP}/scripts/make_data.sh
 
      This makes icudt${version}l.dat.
 
   f. Run
-       ${CHROME_ICU_TREE_TOP}/scripts/copy_data.sh
+       ${CHROME_ICU_TREE_TOP}/scripts/copy_data.sh common
 
      This copies the ICU data files for non-Android platforms
      (both Little and Big Endian) to the following locations:
 
      common/icudtl.dat
      common/icudtb.dat
 
   g. Run
        ${CHROME_ICU_TREE_TOP}/android/patch_locale.sh
 
     On top of trim_data.sh (step d), further cuts the data entries for Android.
 
   h. Run
        ${CHROME_ICU_TREE_TOP}/scripts/make_data.sh
 
      This makes icudt${version}l.dat for Android.
 
   i. Run
-       ${CHROME_ICU_TREE_TOP}/scripts/copy_data_android.sh
+       ${CHROME_ICU_TREE_TOP}/scripts/copy_data.sh android
 
      This copies the icu data file for Android to the following location:
 
      android/icudtl.dat
 
   j. Run
+       ${CHROME_ICU_TREE_TOP}/ios/patch_locale.sh
+
+     Further cuts the data size for iOS.
+
+  k. Run
+       ${CHROME_ICU_TREE_TOP}/scripts/make_data.sh
+
+     This makes icudt${version}l.dat for iOS.
+
+  l. Run
+       ${CHROME_ICU_TREE_TOP}/scripts/copy_data.sh ios
+
+  m. Run
        ${CHROME_ICU_TREE_TOP}/scripts/clean_up_data_source.sh
 
      This reverts the result of trim_data.sh and patch_locale.sh and
      make the tree ready for committing updated ICU data files for
      non-Android and Android platforms.
 
-  k. Whenever data is updated (e.g timezone update), follow d ~ j as long
+  n. Whenever data is updated (e.g timezone update), follow d ~ m as long
   as the ICU build directory used in a ~ c is kept. Besides, icudt.dll for
   Windows has to be udpated following the procedure described below.
 
 
 2. icu data dll for Windows (non-default build option)
 
   Follow these steps to build windows/icudt.dll. By default, we set
   icu_use_icu_data_flag to 1 and don't use this file.
 
   a. check out a clean copy of icu58  from the upstream on Windows
@@ skipping 164 matching lines @@
    upstream bugs:
      http://www.icu-project.org/trac/ticket/12825 (scriptset)
      http://www.icu-project.org/trac/ticket/12815 (uspoof)
      http://www.icu-project.org/trac/ticket/12822 (without std::string on Win)
      http://www.icu-project.org/trac/ticket/12832 (greek_upper)
 
    - patches/scriptset.patch
    - patches/uspoof.patch
    - patches/digilist.patch
    - patches/greek_upper.patch