| Name: icu |
| URL: http://site.icu-project.org/ |
| Version: 54.1 |
| License: MIT |
| Security Critical: yes |
| |
| Description: |
| This directory contains the source code of ICU 54.1 for C/C++. |
| |
| |
| 1. It was obtained with the following: |
| |
| $ svn export --native-eol LF http://source.icu-project.org/repos/icu/icu/tags/release-54-1 icu |
| |
| The following directories we don't use are removed: |
| |
| - as_is |
| - packaging |
| - source/layout |
| - source/layoutex |
| - source/data/xml |
| |
| patches/configure.patch is applied to get runConfigureICU work in the |
| icudata generation step without layout and layoutex directory by removing the |
| corresponding Makefile's from ac_config variable. |
| |
| 2. Apply the following patch for platform.h for NaCl. |
| |
| - patches/platform_nacl.patch to add U_PF_NATIVE_CLIENT |
| - upstream bug (fixed in the upstream 55 RC) |
| http://bugs.icu-project.org/trac/ticket/11033 |
| |
| |
| 3. Breakiterator patches |
| |
| - Apply patches/brkitr.patch |
| * word.txt |
| a. Move full stops (U+002E, U+FF0E) from MidNumLet to MidNum so that |
| FQDN labels can be split at '.' |
| b. Move fullwidth digits (U+FF10 - U+FF19) from Ideographic to Numeric. |
| See http://unicode.org/cldr/trac/ticket/6555 |
| * line.txt |
| a. Use Japanese rules for all locales because Japanese tailoring only |
| affects Japanese specific characters. |
| See http://unicode.org/cldr/trac/ticket/3974 |
| b. Minor changes in CL, OP and IS definitions to handle 'comma-variants' |
| more consistenly. |
| See http://unicode.org/cldr/trac/ticket/6557 |
| c. Fix line breaking for Chinese characters and quotation marks |
| See http://unicode.org/cldr/trac/ticket/4200 and |
| http://crbug.com/39779 |
| |
| - Add a new file brklocal.mk (copied from brkfiles.mk) with line_ja.txt |
| and word_POSIX.txt dropped from the build list. |
| |
| - Apply patches/khmer-dictbe.patch and put in a smaller Khmer dictionary |
| (source/data/brkitr/khmerdict.txt) obtained from |
| http://bugs.icu-project.org/trac/ticket/9451 |
| |
| - Add several common Chinese words that were dropped previously to |
| source/data/cjdict/brkitr/cjdict.txt |
| patch: patches/cjdict.patch |
| upstream bug: http://bugs.icu-project.org/trac/ticket/10888 |
| |
| |
| - android/brkitr.patch (to be applied for Android build only) : |
| Do not use the C+J dictionary for Chinese/Japanese segmentation |
| to reduce the data size. Adjust word.txt and a few other files. |
| |
| - source/data/brkitr/word_ja.txt (used only on Android) |
| Added for Japanese-specific word-breaking without the C+J dictionary. |
| |
| 4. Converter changes : |
| |
| - convrtrs.txt : Replaced the original by our own that only lists encodings |
| and aliases required by the WHATWG Encoding spec plus a few extra (see |
| the file as to why). |
| |
| - Add source/data/mappings/ucmlocal.txt : to list only converters we need. |
| |
| - Add new tables per the WHATWG encoding standards for EUC-JP, |
| Shift_JIS, Big5 (Big5+Big5HKSCS), EUC-KR and all the single byte encodings. |
| They're generated with scripts : |
| scripts/{eucjp,sjis,big5,single_byte}_gen.sh |
| |
| - gb_table.patch |
| 1. Map \xA3\xA0 to U+3000 instead of U+E5E5 in gb18030 and windows-936 per |
| the encoding spec (one-way mapping in toUnicode direction). |
| 2. Map \xA8\xBF to U+01F9 instead of U+E7C8. Add one-way map |
| from U+1E3F to \xA8\xBC (windows-936/GBK). |
| See https://www.w3.org/Bugs/Public/show_bug.cgi?id=28740#c3 |
| |
| - uconv.patch |
| a. ISO-2022-JP-[1-4] is dropped. |
| b. SCSU, BOCU, ISCII, UTF-7, LMB, ibm42*, ISO-2022-{KR,CN*} and HZ-GB : |
| converters and detectors are dropped leading to the ~100kB reduction |
| in the code size. |
| |
| - Upstream bugs |
| http://www.icu-project.org/trac/ticket/11296 (uconv.patch) |
| http://www.icu-project.org/trac/ticket/10303 (html5 encoding tables) |
| |
| uconv.patch was landed in the upstream and is in 55 RC with the build |
| config changed to UCONFIG_ONLY_HTML_CONVERSION. |
| |
| |
| 5. Locale changes |
| |
| - patches/locale_google.patch : Google's internal ICU locale changes |
| |
| - patches/locale1.patch : |
| a. Exemplar character set changes for zh*, ja + 9 Indian locales |
| b. Minor fixes for Korean and Turkish |
| |
| - Locale build configuration files: To include the full locale data |
| for Chrome's UI languages and the minimum locale data for other locales, |
| add reslocal.mk or {trns,sprep,rbnf,coll}local.mk files to |
| source/data/{coll,curr,lang.locale,curr,region,translit,zone,rbnf,sprep}. |
| |
| This along with #8 (data.build.patch), #3 (brkiter) and #4 (converter) |
| cuts down the data size by ~ 11MB. |
| |
| - Run scripts/trim_data.sh : About 2.1MB data size reduction. |
| a. Trim the locale data for Chrome's UI langauges : |
| locales, lang, region, currency |
| b. Trim the locale data for non-UI languages to the bare minimum : |
| ExemplarCharacters, LocaleScript, layout, and the name of the |
| language for a locale in its native language. |
| c. Remove the legacy Chinese character set-based collation |
| (big5han/gb2312han) that don't make any sense and nobdoy uses. |
| |
| - Add tg.txt, ckb.txt, and ku.txt to source/data/{locale,lang} |
| with the minimal locale data necessary for spellchecker and |
| and language menus. Also change the English display name |
| for ckb to 'Kurdish (Arabic)'. |
| |
| - android/patch_locale.sh (to be run for Android build only): |
| a. Make changes to source/data/{region,lang} to exclude these data |
| except the language and script names of zh_Hans and zh_Hant. |
| b. Remove exemplar cities in timezone data (data/zone). |
| c. Keep only the minimal calendar data in data/locales. |
| d. Include currency display names for a smaller subset of currencies. |
| e. Minimize the locale data for 9 locales to which Chrome on Android |
| is not localized. |
| f. Also apply android/brkitr.patch |
| |
| 6. Timezone data update |
| - Grab the latest version of the following timezone data files and |
| put them in source/data/misc using scripts/update_tz.sh |
| |
| metaZones.txt |
| timezoneTypes.txt |
| windowsZones.txt |
| zoneinfo64.txt |
| |
| As of Dec 14 2015, the latest version is 2015g and the above files |
| are available at |
| http://source.icu-project.org/repos/icu/data/trunk/tzdata/icunew/2015g/44/ |
| |
| 7. Transliterator customization |
| |
| - Also add css3transform.txt to source/data/trnslit. |
| - Put the following line in trnslocal.mk |
| |
| TRANSLIT_SOURCE=css3transform.txt |
| |
| 8. Build-related changes |
| |
| - patches/wpo.patch |
| upstream bugs : http://bugs.icu-project.org/trac/ticket/8043 |
| http://bugs.icu-project.org/trac/ticket/5701 |
| - patches/vscomp.patch for building with Visual Studio on Windows. |
| a. do not use WINDOWS_LOCALE_API in locmap.c |
| b. do not redefine stringpiece::npos |
| c. Fix 'signed vs unsigned comparison' warning in |
| collationfastlatin.cpp. The upstream ToT does not have these lines |
| any more. |
| d. Add static_cast to avoid a possible data truncatiion warning |
| upstream bug (fixed in the upstream 55 RC) |
| http://bugs.icu-project.org/trac/ticket/11104 |
| |
| - patches/data.build.patch : |
| Remove unnecessary resources : unames, collator rule source |
| - patches/pkg_gen.patch : |
| upstream bug (fixed in the upstream RC 55) |
| http://bugs.icu-project.org/trac/ticket/10572 |
| - patches/data.build.win.patch : |
| Windows-only data build patch. |
| - patches/data_symb.patch : |
| Put ICU_DATA_ENTRY_POINT(icudtXX_dat) in common when we use |
| the icu data file or icudt.dll |
| |
| 9. Pre-built data files are checked in with the following steps on Linux: |
| |
| a. Make a icu data build directory outside the Chromium source tree |
| and cd to that directory, $ICUBUILDIR. |
| b. Run |
| |
| ${CHROME_ICU_TREE_TOP}/source/runConfigureICU Linux --disable-layout |
| |
| c. Run 'make' |
| d. 'make' will fail when pkgdata looks for css3transform.res. |
| See http://bugs.icu-project.org/trac/ticket/10570 |
| e. run |
| |
| ${CHROME_ICU_TREE_TOP}/scripts/make_n_copy_data.sh |
| |
| This will make and copy icudtl.dat and icudtl_dat.S for Linux and |
| Mac as listed below. Renaming the data/assembly files to drop |
| the ICU major version number as well as running make_mac_assembly.sh |
| is done by this script. |
| |
| This script can be run again whenever you update the data. |
| |
| - source/data/in/icudtl.dat : Built on Linux with all the patches |
| above applied. icudt54l.dat is generated in |
| {BUILD_DIR_ROOT}/data/out/tmp and copied to the above location with a |
| version number (54) dropped. |
| |
| |
| - {mac,linux}/icudtl_dat.S : Built on Linux with all the |
| patches above (except android/brkitr.patch) applied and checked in. |
| This file will be generated in {BUILD_DIR_ROOT}/data/out/tmp as |
| icudt54l_dat.S, but '54' is dropped while copying. |
| |
| mac/icudtl_dat.S is identical to linux/icudtl_dat.S except for |
| the header portion. With "linux/icudtl_dat.S" in its place, |
| |
| - android/icudtl_dat.S : Built on Linux with all the patches above and |
| android/patch_locale.sh executed. |
| '54' is dropped from the name generated in the build tree. |
| |
| - android/icudtl.dat : Generated as icudt54l.dat in |
| {BUILD_DIR_ROOT}/data/out/tmp along with icudt54l_dat.S and |
| copied to the above location with '54' dropped in its name. |
| |
| - 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 icu54 from the upstream on Windows |
| outside the Chrome tree. |
| |
| $ svn export --native-eol LF http://source.icu-project.org/repos/icu/icu/tags/release-54-1 ${SEPARATE_ICU_ROOT}/icu54 |
| |
| b. copy ${CHROME_ICU_ROOT}/source/data/in/icudtl.dat to |
| ${SEPARATE_ICU_ROOT}/source/data/in/icudt54l.dat |
| c. copy ${CHROME_ICU_ROOT}/source/data/makedata.mak to |
| ${SEPARATE_ICU_ROOT}/source/data/makedata.mak |
| c. In Visual Studio, open source/allinone/allinone.sln solution |
| in ${SEPARATE_ICU_ROOT} |
| d. Build 'makedata' target |
| e. icudt54.dll will be generated in ${SEPARATE_ICU_ROOT}/bin |
| f. Copy that icudt54.dll to ${CHROME_ICU_ROOT}/windows/icudt.dll |
| and check that in. |
| |
| 10. Apply the following patches for regex |
| - patches/regex.patch (a combined patch of 3 revisions below) |
| - upstream bugs (fixed in the upstream 55 RC) |
| http://bugs.icu-project.org/trac/ticket/11370 (r36723:36724) |
| http://bugs.icu-project.org/trac/ticket/11369 (r36726:36727) |
| http://bugs.icu-project.org/trac/ticket/11371 (r36800:36801) |
| |
| 11. Fix bugs in locid (getBaseName / thread safety). |
| - patches/locid.patch |
| - upstream bugs (fixed in the upstream 55 RC) |
| http://bugs.icu-project.org/trac/ticket/11421 |
| http://bugs.icu-project.org/trac/ticket/11547 |
| |
| 12. Fix bugs in BiDi |
| - patches/bidi.patch |
| - upstream bugs (fixed in the upstream 55 RC) |
| http://bugs.icu-project.org/trac/ticket/11177 |
| http://bugs.icu-project.org/trac/ticket/11451 |
| |
| 13. Fix a data race in cmemory |
| - patches/cmemory.patch |
| - upstream bug (fixed in the upstream 55 RC) |
| http://www.icu-project.org/trac/ticket/11538 |
| |
| 14. Fix a bug found by 'stack' (static analysis tool) |
| - patches/uloc.patch |
| - upstream bug |
| http://www.icu-project.org/trac/ticket/11602 |
| |
| 15. Add a timezone detection API |
| - patches/tzdetect.patch (applied in the upstream 55) |
| - patches/tzdetect2.patch |
| - upstream bugs |
| http://bugs.icu-project.org/trac/ticket/11358 |
| http://bugs.icu-project.org/trac/ticket/11623 |
| |
| 16. Properly handle a converter name starting with 'x-'. |
| - patches/ucnv_name.patch |
| - upstream bug |
| http://bugs.icu-project.org/trac/ticket/11696 |
| |
| 17. Cherry-pick an upstream patch to add a separate field for ref-counting in |
| the converter data. |
| - patches/ucnv_refcount.patch |
| - upstream change: |
| http://bugs.icu-project.org/trac/ticket/11601 |
| |
| 18. Apply patches/infinite-recursion.patch , corresponds to upstream r36672 |
| |
| 19. Fix a data race in umutex |
| - patches/mutex.patch |
| - upstream bug (fixed in ToT and will be included in 56) |
| http://bugs.icu-project.org/trac/ticket/11599 |
| |
| 20. Cherry-pick an upstream patch for a data loading bug. |
| - patches/dataload.patch |
| - upstream change (fixed in ToT and will be included in 56) |
| http://bugs.icu-project.org/trac/changeset/37670 |
| |
| 21. Fix -Woverloaded-virtual warnings |
| - patches/woverloaded-virtual.patch |
| |
| 22. Fix -Wmicrosoft-unqulified-friend warning |
| - patches/stringthreadtest.patch |
| |
| 23. Fix 'bad cast' found in Transliterator with a cfi build |
| - patches/xlit_badcast.patch ; speculative |
| - upstream bug (yet to be resolved) |
| http://bugs.icu-project.org/trac/ticket/11937 |
| |
| 24. Fix a UText bug found in uregex_open fuzzer. |
| - patches/utext.patch |
| - upstream bug (fixed in trunk in Jan, 2016. Will be in 57 release) |
| http://bugs.icu-project.org/trac/ticket/12130 |
| |
| 25. Fix a bug in regex compiler. |
| - patches/regexcmp.patch |
| - upstream bug |
| http://bugs.icu-project.org/trac/ticket/12138 |
| |
| |
