ticket:10557: Fix some zOS build errors caused by missing exports and pthread macros

git-svn-id: http://source.icu-project.org/repos/icu/icu@34733 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10549: Fixed some problems in test case description in collperf2.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34734 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10559 Fix C++ compilation errors with U_OVERRIDE_CXX_ALLOCATION=0

git-svn-id: http://source.icu-project.org/repos/icu/icu@34736 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10567: merge r34733 for #10557


git-svn-id: http://source.icu-project.org/repos/icu/icu@34740 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10595: A test case reproducing ucol_nextSortKeyPart problem reported by #10595. For now, the test case is marked as a 'known issue'.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34743 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10557: Fix namespace build issue

git-svn-id: http://source.icu-project.org/repos/icu/icu@34744 251d0590-4201-4cf1-90de-194747b24ca1
ticket:6102: do not include system libraries in icu-config --ldflags

git-svn-id: http://source.icu-project.org/repos/icu/icu@34745 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10562 UText problem with shallow clone.

git-svn-id: http://source.icu-project.org/repos/icu/icu@34747 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10571: Add 11 region names in Japanese to cjdict

git-svn-id: http://source.icu-project.org/repos/icu/icu@34748 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10502: reinstate updated config.guess and config.sub as per ticket:9779

git-svn-id: http://source.icu-project.org/repos/icu/icu@34749 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10502: revert bad commit of pkg_genc.c

git-svn-id: http://source.icu-project.org/repos/icu/icu@34750 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10593: Add "บลูทูธ" ("Bluetooth") to Thai break dictionary

git-svn-id: http://source.icu-project.org/repos/icu/icu@34752 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: test & fix collation dependencies; optimize getting the lccc!=0 set for the root collator

git-svn-id: http://source.icu-project.org/repos/icu/icu@34754 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10557: Use U_NAMESPACE_USE where needed

git-svn-id: http://source.icu-project.org/repos/icu/icu@34756 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: AlphabeticIndex: un-hardcode script-first primaries & optimize CJK bucket boundaries

git-svn-id: http://source.icu-project.org/repos/icu/icu@34758 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10567: merge r34744 and r34756 for #10557


git-svn-id: http://source.icu-project.org/repos/icu/icu@34759 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: AlphabeticIndex: TestJapaneseKanji, and get the CJK index characters when constructing from a Collator

git-svn-id: http://source.icu-project.org/repos/icu/icu@34761 251d0590-4201-4cf1-90de-194747b24ca1