diff options
Diffstat (limited to 'README.chromium')
| -rw-r--r-- | README.chromium | 58 |
1 files changed, 31 insertions, 27 deletions
diff --git a/README.chromium b/README.chromium index 37660de..a9f786c 100644 --- a/README.chromium +++ b/README.chromium @@ -19,11 +19,11 @@ This directory contains the source code of ICU 52.1 for C/C++ - source/layoutex - source/data/xml - patches/configure.patch is applied to get runConfigureICU work in the + 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 related headers (putilimpl.h and +2. Apply the following patch for platform related headers (putilimpl.h and others). - patches/putil.patch for Android, QNX and newlib(NaCl-newlib). @@ -37,12 +37,12 @@ This directory contains the source code of ICU 52.1 for C/C++ 3. Breakiterator patches - - Apply patches/brkitr.patch - * word.txt + - 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 + 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. @@ -51,15 +51,15 @@ This directory contains the source code of ICU 52.1 for C/C++ 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 + 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 + (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 @@ -72,9 +72,9 @@ This directory contains the source code of ICU 52.1 for C/C++ Reverts some changes about Chinese/Japanese segmentation rules in patches/brkitr.patch to reduce binary size for Android. -4. Converter changes : +4. Converter changes : - - converters.patch : + - converters.patch : a. revises existing mapping tables b. Remove a lot of unused aliases in the converter alias table (source/data/mappings/convrtrs.txt ) leading to 40kB size reduction. @@ -82,20 +82,20 @@ This directory contains the source code of ICU 52.1 for C/C++ - Add source/data/mappings/ucmlocal.txt : to list only converters we need. - Add three new tables per WHATWG encoding standards for EUC-JP, Shift_JIS and CP866. - They're generated with scripts/{eucjp, sjis, ibm866}_gen.sh. + They're generated with scripts/{eucjp, sjis, ibm866}_gen.sh. - Add three 'fake' tables for ISO-2022-CN(-Ext) : noop-*.ucm. - - uconv.patch + - uconv.patch a. ucnv2022 uses 3 fake tables for ISO-2022-CN(-Ext) instead of two huge tables. b. ISO-2022-JP-[1-4] is dropped. - c. SCSU, BOCU, ISCII, UTF-7 conversion is diabled leading to + c. SCSU, BOCU, ISCII, UTF-7 conversion is diabled leading to the 47kB reduction in the code size. 5. Locale changes - patches/locale1.patch : a. Exemplar character set changes for zh*, ja + 9 Indian locales - b. Minor fixes for Korean, a few Indic (AmPmMarkers) and + b. Minor fixes for Korean, a few Indic (AmPmMarkers) and others (datetime format) - Locale build configuration files: To include the full locale data @@ -103,7 +103,7 @@ This directory contains the source code of ICU 52.1 for C/C++ 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) + 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. @@ -112,7 +112,7 @@ This directory contains the source code of ICU 52.1 for C/C++ 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 + c. Remove the legacy Chinese character set-based collation (big5han/gb2312han) that don't make any sense and nobdoy uses. - android/patch_locale.sh (to be run for Android build only): @@ -120,7 +120,7 @@ This directory contains the source code of ICU 52.1 for C/C++ 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 - + - Add tg.txt to source/data/locale source/data/lang to add the minimal locale data necessary for the spellchecker. In both directories, add tg.txt to reslocal.mk @@ -154,7 +154,7 @@ This directory contains the source code of ICU 52.1 for C/C++ a. do not use WINDOWS_LOCALE_API in locmap.c b. do not redefine stringpiece::npos c. fix a Windows build failure with U_USING_ICU_NAMESPACE=0 - upstream bug: http://bugs.icu-project.org/trac/ticket/10486 + upstream bug: http://bugs.icu-project.org/trac/ticket/10486 fixed in ICU 53) d. Explicitly use Windows 'A' API when argument is an LPSTR in wintz.c upstream bug : http://bugs.icu-project.org/trac/ticket/10870 @@ -165,19 +165,19 @@ This directory contains the source code of ICU 52.1 for C/C++ Windows-only data build patch. - patches/clang_win.patch : - Take care of 3 warnings from clang and MSVC 2013. + Take care of 3 warnings from clang and MSVC 2013. upstream bug : http://bugs.icu-project.org/trac/ticket/11102 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 + a. Make a icu data build directory outside the Chromium source tree and cd to that directory. - b. Run + b. Run ${CHROME_ICU_TREE_TOP}/source/runConfigureICU Linux --disable-layout c. Run 'make' - d. 'make' will fail in the 1st pass. Copy + d. 'make' will fail in the 1st pass. Copy ${CHROME_ICU_TREE_TOP}/source/data/in/coll/invuca.icu to {BUILD_DIR_ROOT}/data/out/build/icudt52l/coll and re-run 'make' in {BUILD_DIR_ROOT}/data. @@ -199,7 +199,7 @@ This directory contains the source code of ICU 52.1 for C/C++ icudt52l_dat.S, but '52' 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, + the header portion. With "linux/icudtl_dat.S" in its place, run scripts/make_mac_assembly.sh to generate it. - android/icudtl_dat.S : Built on Linux with all the patches above and @@ -211,24 +211,28 @@ This directory contains the source code of ICU 52.1 for C/C++ copied to the above location with '52' dropped in its name. - windows/icudt.dll (by default, we set icu_use_icu_data_flag to 1 - and don't use this file.) + and don't use this file.) a. check out a clean copy of icu52 from the upstream on Windows outside the Chrome tree. $ svn export --native-eol LF http://source.icu-project.org/repos/icu/icu/tags/release-52-1 ${SEPARATE_ICU_ROOT}/icu52 - b. copy ${CHROME_ICU_ROOT}/source/data/in/icudtl.dat to + b. copy ${CHROME_ICU_ROOT}/source/data/in/icudtl.dat to ${SEPARATE_ICU_ROOT}/source/data/in/icudt52l.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 + d. Build 'makedata' target e. icudt52.dll will be generated in ${SEPARATE_ICU_ROOT}/bin - f. Copy that icudt52.dll to ${CHROME_ICU_ROOT}/windows/icudt.dll + f. Copy that icudt52.dll to ${CHROME_ICU_ROOT}/windows/icudt.dll and check that in. 10. Change export of U_ICUDATA_ENTRY_POINT from U_IMPORT to U_EXPORT. - patches/declspec.patch + +11. Cherry-pick an upstream patch to fix a bug in bidi. + - patches/bidi.patch + - upstream bug : http://bugs.icu-project.org/trac/ticket/11054 |