Merge branch 'main' into azure-job-by-code-type

.bazelrc

@@ -0,0 +1,28 @@
+# © 2024 and later: Unicode, Inc. and others.
+# License & terms of use: http://www.unicode.org/copyright.html
+
+# By default, build ICU4C as C11 & C++17.
+
+build --enable_platform_specific_config
+
+build:android --conlyopt=-std=c11
+build:android --host_conlyopt=-std=c11
+build:ios --conlyopt=-std=c11
+build:ios --host_conlyopt=-std=c11
+build:linux --conlyopt=-std=c11
+build:linux --host_conlyopt=-std=c11
+build:macos --conlyopt=-std=c11
+build:macos --host_conlyopt=-std=c11
+build:windows --conlyopt=/std:c11
+build:windows --host_conlyopt=/std:c11
+
+build:android --cxxopt=-std=c++17
+build:android --host_cxxopt=-std=c++17
+build:ios --cxxopt=-std=c++17
+build:ios --host_cxxopt=-std=c++17
+build:linux --cxxopt=-std=c++17
+build:linux --host_cxxopt=-std=c++17
+build:macos --cxxopt=-std=c++17
+build:macos --host_cxxopt=-std=c++17
+build:windows --cxxopt=/std:c++17
+build:windows --host_cxxopt=/std:c++17

.ci-builds/.azure-pipelines-icu4c.yml

@@ -57,7 +57,7 @@ jobs:
         CC: clang
         CXX: clang++
 #-------------------------------------------------------------------------
-- job: ICU4C_Clang_Cpp14_Debug_Ubuntu_2204
+- job: ICU4C_Clang_Cpp17_Debug_Ubuntu_2204
   displayName: 'C: Linux Clang C++17 Debug (Ubuntu 22.04)'
   timeoutInMinutes: 30
   pool:
@@ -128,78 +128,78 @@ jobs:
         CXX: clang++
         LANG: "en_US@calendar=gregorian;hours=h12"
 #-------------------------------------------------------------------------
-- job: ICU4C_Clang14_Ubuntu_2004_WarningsAsErrors
-  displayName: 'C: Linux Clang-14 WarningsAsErrors (Ubuntu 20.04)'
+- job: ICU4C_Clang16_Ubuntu_2004_WarningsAsErrors
+  displayName: 'C: Linux Clang-16 WarningsAsErrors (Ubuntu 20.04)'
   timeoutInMinutes: 30
   pool:
     vmImage: 'ubuntu-20.04'
   steps:
     - checkout: self
       lfs: true
       fetchDepth: 10
-    # Install Clang-14 from https://apt.llvm.org/
+    # Install Clang-16 from https://apt.llvm.org/
     - script: |
         curl -Ls https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-        sudo apt-add-repository 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-14 main'
+        sudo apt-add-repository 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-16 main'
         sudo apt update
-        sudo apt install -qy clang-14 lld-14 libc++-14-dev libc++abi-14-dev
-      displayName: 'Install Clang-14'
+        sudo apt install -qy clang-16 lld-16 libc++-16-dev libc++abi-16-dev
+      displayName: 'Install Clang-16'
     - script: |
         cd icu4c/source && ./runConfigureICU Linux && make -j -l2.5 tests
       displayName: 'Build only (WarningsAsErrors)'
       env:
-        CC: clang-14
-        CPPFLAGS: '-Werror -Wall -Wextra -Wextra-semi -Wundef -Wnon-virtual-dtor -Wsuggest-override'
-        CXX: clang++-14
+        CC: clang-16
+        CPPFLAGS: '-Werror -Wno-strict-prototypes -Wall -Wextra -Wextra-semi -Wundef -Wnon-virtual-dtor -Wsuggest-override'
+        CXX: clang++-16
 #-------------------------------------------------------------------------
-- job: ICU4C_Clang14_Cpp20_Ubuntu_2004
-  displayName: 'C: Linux Clang-14 C++20 (Ubuntu 20.04)'
+- job: ICU4C_Clang16_Cpp20_Ubuntu_2004
+  displayName: 'C: Linux Clang-16 C++20 (Ubuntu 20.04)'
   timeoutInMinutes: 30
   pool:
     vmImage: 'ubuntu-20.04'
   steps:
     - checkout: self
       lfs: true
       fetchDepth: 10
-    # Install Clang-14 from https://apt.llvm.org/
+    # Install Clang-16 from https://apt.llvm.org/
     - script: |
         curl -Ls https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-        sudo apt-add-repository 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-14 main'
+        sudo apt-add-repository 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-16 main'
         sudo apt update
-        sudo apt install -qy clang-14 lld-14 libc++-14-dev libc++abi-14-dev
-      displayName: 'Install Clang-14'
+        sudo apt install -qy clang-16 lld-16 libc++-16-dev libc++abi-16-dev
+      displayName: 'Install Clang-16'
     - script: |
         cd icu4c/source && ./runConfigureICU Linux && make -j -l2.5 check
       displayName: 'Build and Test'
       env:
-        CC: clang-14
-        CPPFLAGS: '-Werror'
-        CXX: clang++-14
+        CC: clang-16
+        CPPFLAGS: '-Werror -Wno-strict-prototypes'
+        CXX: clang++-16
         CXXFLAGS: '-std=c++20'
 #-------------------------------------------------------------------------
-- job: ICU4C_Clang14_Cpp20_libcpp_Ubuntu_2004
-  displayName: 'C: Linux Clang-14 C++20 libc++ (Ubuntu 20.04)'
+- job: ICU4C_Clang16_Cpp20_libcpp_Ubuntu_2004
+  displayName: 'C: Linux Clang-16 C++20 libc++ (Ubuntu 20.04)'
   timeoutInMinutes: 30
   pool:
     vmImage: 'ubuntu-20.04'
   steps:
     - checkout: self
       lfs: true
       fetchDepth: 10
-    # Install Clang-14 from https://apt.llvm.org/
+    # Install Clang-16 from https://apt.llvm.org/
     - script: |
         curl -Ls https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-        sudo apt-add-repository 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-14 main'
+        sudo apt-add-repository 'deb http://apt.llvm.org/focal/ llvm-toolchain-focal-16 main'
         sudo apt update
-        sudo apt install -qy clang-14 lld-14 libc++-14-dev libc++abi-14-dev
-      displayName: 'Install Clang-14'
+        sudo apt install -qy clang-16 lld-16 libc++-16-dev libc++abi-16-dev
+      displayName: 'Install Clang-16'
     - script: |
         cd icu4c/source && ./runConfigureICU Linux && make -j -l2.5 check
       displayName: 'Build and Test'
       env:
-        CC: clang-14
-        CPPFLAGS: '-Werror'
-        CXX: clang++-14
+        CC: clang-16
+        CPPFLAGS: '-Werror -Wno-strict-prototypes'
+        CXX: clang++-16
         CXXFLAGS: '-std=c++20 -stdlib=libc++'
 #-------------------------------------------------------------------------
 # VS 2022 Builds
@@ -495,62 +495,6 @@ jobs:
         filename: icu4c/source/allinone/icucheck.bat
         arguments: 'x86 Debug'
 #-------------------------------------------------------------------------
-# VS2019 using the VS2017 toolset builds
-#-------------------------------------------------------------------------
-- job: ICU4C_MSVC_x64_Release_VS2017
-  displayName: 'C: MSVC 64-bit Release (VS 2017)'
-  timeoutInMinutes: 30
-  pool:
-    vmImage: 'windows-2019'
-    demands:
-      - msbuild
-      - visualstudio
-      - Cmd
-  steps:
-    - checkout: self
-      lfs: true
-      fetchDepth: 10
-    - task: VSBuild@1
-      displayName: 'Build Solution'
-      inputs:
-        solution: icu4c/source/allinone/allinone.sln
-        platform: x64
-        configuration: Release
-        msbuildArgs: /p:DefaultPlatformToolset=v141
-    - task: BatchScript@1
-      displayName: 'Run Tests (icucheck.bat)'
-      inputs:
-        filename: icu4c/source/allinone/icucheck.bat
-        arguments: 'x64 Release'
-#-------------------------------------------------------------------------
-# VS2019 using the VS2015 toolset
-#-------------------------------------------------------------------------
-- job: ICU4C_MSVC_x64_Release_VS2015
-  displayName: 'C: MSVC 64-bit Release (VS 2015)'
-  timeoutInMinutes: 30
-  pool:
-    vmImage: 'windows-2019'
-    demands: 
-      - msbuild
-      - visualstudio
-      - Cmd
-  steps:
-    - checkout: self
-      lfs: true
-      fetchDepth: 10
-    - task: VSBuild@1
-      displayName: 'Build Solution'
-      inputs:
-        solution: icu4c/source/allinone/allinone.sln
-        platform: x64
-        configuration: Release
-        msbuildArgs: /p:SkipUWP=true /p:DefaultPlatformToolset=v140 /p:AutodetectWin10SDK=true
-    - task: BatchScript@1
-      displayName: 'Run Tests (icucheck.bat)'
-      inputs:
-        filename: icu4c/source/allinone/icucheck.bat
-        arguments: 'x64 Release'
-#-------------------------------------------------------------------------
 - job: ICU4C_MSYS2_GCC_x86_64_Release
   displayName: 'C: MSYS2 GCC x86_64 Release'
   timeoutInMinutes: 45
@@ -729,9 +673,7 @@ jobs:
         mkdir -p icuexportdata/segmenter/dictionary
         for FILE in `ls data/brkitr/dictionaries`
         do
-          ./bin/gendict --uchars data/brkitr/dictionaries/$FILE /dev/stdout | \
-          python3 -c 'import sys; data = sys.stdin.buffer.read(); print(f"trie_data = {[data[i + 1] << 8 | data[i] for i in range(64, len(data) - 1, 2)]}")' \
-          > icuexportdata/segmenter/dictionary/`basename $FILE .txt`.toml
+          ./bin/gendict --uchars --toml data/brkitr/dictionaries/$FILE icuexportdata/segmenter/dictionary/`basename $FILE .txt`.toml
         done
       displayName: 'Build segmenter dictionary files'
       env: