编译external/icu4c/data方法

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本文详细介绍了在Android系统中编译external/icu4c/data的完整过程，包括设置环境、资源修改、编译配置、生成dat文件、更新默认dat以及清理临时文件等关键步骤。 
在做下面操作之前必须
source  build/envsetup.sh
choosecombo
 
 
# 具体步骤：

# 1)新增或者修改external/icu4c/data目录下的资源
# 2)创建一个临时目录:
# croot
rm external/icu4c/stubdata/icudt48l-all.dat
rm external/icu4c/stubdata/icudt48l-default.dat
rm -rf external/icu4c/icuBuild
mkdir external/icu4c/icuBuild
cd  external/
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arning: Module 'androidx.test.uiautomator_uiautomator' depends on non-existing optional_uses_libs 'com.android.extensions.xr' Warning: Module 'androidx.wear_wear' depends on non-existing optional_uses_libs 'wear-sdk' Warning: Module 'androidx.wear.compose_compose-foundation' depends on non-existi ng optional_uses_libs 'wear-sdk' [ 0% 172/131877] //external/icu/icu4c/source:libicuuc_stubdata clang++ stubdata FAILED: out/soong/.intermediates/external/icu/icu4c/source/libicuuc_stubdata/lin ux_glibc_x86_64_static/obj/external/icu/icu4c/source/stubdata/stubdata.o PWD=/proc/self/cwd /usr/bin/ccache prebuilts/clang/host/linux-x86/clang-r547379/ bin/clang++ -c -Wa,--noexecstack -fPIC -fno-omit-frame-pointer -U_FORTIFY_SOURC E -D_FORTIFY_SOURCE=3 -fstack-protector --gcc-toolchain=prebuilts/gcc/linux-x86/ host/x86_64-linux-glibc2.17-4.8 -fstack-protector-strong -m64 --sysroot prebuilt s/gcc/linux-x86/host/x86_64-linux-glibc2.17-4.8/sysroot -O2 -Wall -Wextra -Winit -self -Wpointer-arith -Wunguarded-availability -Werror=date-time -Werror=int-con version -Werror=pragma-pack -Werror=pragma-pack-suspicious-include -Werror=sizeo f-array-div -Werror=string-plus-int -Werror=unreachable-code-loop-increment -Wno -error=deprecated-declarations -Wno-c23-extensions -Wno-c99-designator -Wno-gnu- folding-constant -Wno-inconsistent-missing-override -Wno-error=reorder-init-list -Wno-reorder-init-list -Wno-sign-compare -Wno-unused -DANDROID -DNDEBUG -UDEBUG -D__compiler_offsetof=__builtin_offsetof -D__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WE AK__ -faddrsig -fdebug-default-version=5 -fcolor-diagnostics -ffp-contract=off - fno-exceptions -fno-strict-aliasing -fmessage-length=0 -gsimple-template-names - gz=zstd -no-canonical-prefixes -fdebug-prefix-map=/proc/self/cwd= -ftrivial-auto -var-init=zero -Wno-unused-command-line-argument -g -Wno-enum-compare -Wno-enum -compare-switch -Wno-null-pointer-arithmetic -Wno-null-dereference -Wno-pointer- compare -Wno-final-dtor-non-final-class -Wno-psabi -Wno-null-pointer-subtraction -Wno-string-concatenation -Wno-deprecated-non-prototype -Wno-unused -Wno-deprec ated -Wno-error=format -target x86_64-linux-gnu -fPIC -Wimplicit-fallthrough -D _LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS -Wno-gnu-include-next -Iexternal/icu/ icu4c/source -Iexternal/icu/icu4c/source/common -Iexternal/icu/android_icu4c/inc lude -Iprebuilts/clang/host/linux-x86/clang-r547379/include/x86_64-unknown-linux -gnu/c++/v1 -Iprebuilts/clang/host/linux-x86/clang-r547379/include/c++/v1 -Wall -Werror -std=gnu++20 -fno-rtti -nostdinc++ -Isystem/core/include -Isystem/loggin g/liblog/include -Isystem/media/audio/include -Ihardware/libhardware/include -Ih ardware/libhardware_legacy/include -Ihardware/ril/include -Iframeworks/native/in clude -Iframeworks/native/opengl/include -Iframeworks/av/include -Werror=bool-o peration -Werror=dangling -Werror=format-insufficient-args -Werror=implicit-int- float-conversion -Werror=int-in-bool-context -Werror=int-to-pointer-cast -Werror =pointer-to-int-cast -Werror=xor-used-as-pow -Wimplicit-int-float-conversion -Wn o-void-pointer-to-enum-cast -Wno-void-pointer-to-int-cast -Wno-pointer-to-int-ca st -Werror=fortify-source -Wno-unused-variable -Wno-missing-field-initializers - Wno-packed-non-pod -Werror=address-of-temporary -Werror=incompatible-function-po inter-types -Werror=null-dereference -Werror=return-type -Wno-tautological-const ant-compare -Wno-tautological-type-limit-compare -Wno-implicit-int-float-convers ion -Wno-tautological-overlap-compare -Wno-deprecated-copy -Wno-range-loop-const ruct -Wno-zero-as-null-pointer-constant -Wno-deprecated-anon-enum-enum-conversio n -Wno-deprecated-enum-enum-conversion -Wno-error=pessimizing-move -Wno-non-c-ty pedef-for-linkage -Wno-align-mismatch -Wno-error=unused-but-set-variable -Wno-er ror=unused-but-set-parameter -Wno-error=deprecated-builtins -Wno-error=deprecate d -Wno-error=invalid-offsetof -Wno-vla-cxx-extension -Wno-cast-function-type-mis match -fcommon -Wno-format-insufficient-args -Wno-misleading-indentation -Wno-b itwise-instead-of-logical -Wno-unused -Wno-unused-parameter -Wno-unused-but-set- parameter -Wno-unqualified-std-cast-call -Wno-array-parameter -Wno-gnu-offsetof- extensions -Wno-pessimizing-move -MD -MF out/soong/.intermediates/external/icu/i cu4c/source/libicuuc_stubdata/linux_glibc_x86_64_static/obj/external/icu/icu4c/s ource/stubdata/stubdata.o.d -o out/soong/.intermediates/external/icu/icu4c/sourc e/libicuuc_stubdata/linux_glibc_x86_64_static/obj/external/icu/icu4c/source/stub data/stubdata.o external/icu/icu4c/source/stubdata/stubdata.cpp ccache: error: Failed to create directory /home/hya/.ccache/tmp: Read-only file system \nWrite to a read-only file system detected. Possible fixes include 1. Generate file directly to out/ which is ReadWrite, #recommend solution 2. BUILD_BROKEN_SRC_DIR_RW_ALLOWLIST := <my/path/1> <my/path/2> #discouraged, su bset of source tree will be RW 3. BUILD_BROKEN_SRC_DIR_IS_WRITABLE := true #highly discouraged, entire source t ree will be RW [ 0% 173/131877] //external/icu/libandroidicuinit:libandroidicuinit clang++ Icu FAILED: out/soong/.intermediates/external/icu/libandroidicuinit/libandroidicuini t/linux_glibc_x86_64_static/obj/external/icu/libandroidicuinit/IcuRegistration.o PWD=/proc/self/cwd /usr/bin/ccache prebuilts/clang/host/linux-x86/clang-r547379/ bin/clang++ -c -Wa,--noexecstack -fPIC -fno-omit-frame-pointer -U_FORTIFY_SOURC E -D_FORTIFY_SOURCE=3 -fstack-protector --gcc-toolchain=prebuilts/gcc/linux-x86/ host/x86_64-linux-glibc2.17-4.8 -fstack-protector-strong -m64 --sysroot prebuilt s/gcc/linux-x86/host/x86_64-linux-glibc2.17-4.8/sysroot -O2 -Wall -Wextra -Winit -self -Wpointer-arith -Wunguarded-availability -Werror=date-time -Werror=int-con version -Werror=pragma-pack -Werror=pragma-pack-suspicious-include -Werror=sizeo f-array-div -Werror=string-plus-int -Werror=unreachable-code-loop-increment -Wno -error=deprecated-declarations -Wno-c23-extensions -Wno-c99-designator -Wno-gnu- folding-constant -Wno-inconsistent-missing-override -Wno-error=reorder-init-list -Wno-reorder-init-list -Wno-sign-compare -Wno-unused -DANDROID -DNDEBUG -UDEBUG -D__compiler_offsetof=__builtin_offsetof -D__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WE AK__ -faddrsig -fdebug-default-version=5 -fcolor-diagnostics -ffp-contract=off - fno-exceptions -fno-strict-aliasing -fmessage-length=0 -gsimple-template-names - gz=zstd -no-canonical-prefixes -fdebug-prefix-map=/proc/self/cwd= -ftrivial-auto -var-init=zero -Wno-unused-command-line-argument -g -Wno-enum-compare -Wno-enum -compare-switch -Wno-null-pointer-arithmetic -Wno-null-dereference -Wno-pointer- compare -Wno-final-dtor-non-final-class -Wno-psabi -Wno-null-pointer-subtraction -Wno-string-concatenation -Wno-deprecated-non-prototype -Wno-unused -Wno-deprec ated -Wno-error=format -target x86_64-linux-gnu -fPIC -Wimplicit-fallthrough -D _LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS -Wno-gnu-include-next -Iexternal/icu/ libandroidicuinit/include -Iexternal/icu/libandroidicuinit -Iexternal/icu/icu4c/ source/common -Iexternal/icu/android_icu4c/include -Iprebuilts/clang/host/linux- x86/clang-r547379/include/x86_64-unknown-linux-gnu/c++/v1 -Iprebuilts/clang/host /linux-x86/clang-r547379/include/c++/v1 -Wall -Werror -std=gnu++20 -fno-rtti -no stdinc++ -Isystem/core/include -Isystem/logging/liblog/include -Isystem/media/au dio/include -Ihardware/libhardware/include -Ihardware/libhardware_legacy/include -Ihardware/ril/include -Iframeworks/native/include -Iframeworks/native/opengl/i nclude -Iframeworks/av/include -Werror=bool-operation -Werror=dangling -Werror= format-insufficient-args -Werror=implicit-int-float-conversion -Werror=int-in-bo ol-context -Werror=int-to-pointer-cast -Werror=pointer-to-int-cast -Werror=xor-u sed-as-pow -Wimplicit-int-float-conversion -Wno-void-pointer-to-enum-cast -Wno-v oid-pointer-to-int-cast -Wno-pointer-to-int-cast -Werror=fortify-source -Wno-unu sed-variable -Wno-missing-field-initializers -Wno-packed-non-pod -Werror=address -of-temporary -Werror=incompatible-function-pointer-types -Werror=null-dereferen ce -Werror=return-type -Wno-tautological-constant-compare -Wno-tautological-type -limit-compare -Wno-implicit-int-float-conversion -Wno-tautological-overlap-comp are -Wno-deprecated-copy -Wno-range-loop-construct -Wno-zero-as-null-pointer-con stant -Wno-deprecated-anon-enum-enum-conversion -Wno-deprecated-enum-enum-conver sion -Wno-error=pessimizing-move -Wno-non-c-typedef-for-linkage -Wno-align-misma tch -Wno-error=unused-but-set-variable -Wno-error=unused-but-set-parameter -Wno- error=deprecated-builtins -Wno-error=deprecated -Wno-error=invalid-offsetof -Wno -vla-cxx-extension -Wno-cast-function-type-mismatch -fcommon -Wno-format-insuff icient-args -Wno-misleading-indentation -Wno-bitwise-instead-of-logical -Wno-unu sed -Wno-unused-parameter -Wno-unused-but-set-parameter -Wno-unqualified-std-cas t-call -Wno-array-parameter -Wno-gnu-offsetof-extensions -Wno-pessimizing-move - MD -MF out/soong/.intermediates/external/icu/libandroidicuinit/libandroidicuinit /linux_glibc_x86_64_static/obj/external/icu/libandroidicuinit/IcuRegistration.o. d -o out/soong/.intermediates/external/icu/libandroidicuinit/libandroidicuinit/l inux_glibc_x86_64_static/obj/external/icu/libandroidicuinit/IcuRegistration.o ex ternal/icu/libandroidicuinit/IcuRegistration.cpp ccache: error: Failed to create directory /home/hya/.ccache/tmp: Read-only file system \nWrite to a read-only file system detected. Possible fixes include 1. Generate file directly to out/ which is ReadWrite, #recommend solution 2. BUILD_BROKEN_SRC_DIR_RW_ALLOWLIST := <my/path/1> <my/path/2> #discouraged, su bset of source tree will be RW 3. BUILD_BROKEN_SRC_DIR_IS_WRITABLE := true #highly discouraged, entire source t ree will be RW [ 0% 174/131877] //external/icu/libandroidicuinit:libandroidicuinit clang++ and FAILED: out/soong/.intermediates/external/icu/libandroidicuinit/libandroidicuini t/linux_glibc_x86_64_static/obj/external/icu/libandroidicuinit/android_icu_init. o PWD=/proc/self/cwd /usr/bin/ccache prebuilts/clang/host/linux-x86/clang-r547379/ bin/clang++ -c -Wa,--noexecstack -fPIC -fno-omit-frame-pointer -U_FORTIFY_SOURC E -D_FORTIFY_SOURCE=3 -fstack-protector --gcc-toolchain=prebuilts/gcc/linux-x86/ host/x86_64-linux-glibc2.17-4.8 -fstack-protector-strong -m64 --sysroot prebuilt s/gcc/linux-x86/host/x86_64-linux-glibc2.17-4.8/sysroot -O2 -Wall -Wextra -Winit -self -Wpointer-arith -Wunguarded-availability -Werror=date-time -Werror=int-con version -Werror=pragma-pack -Werror=pragma-pack-suspicious-include -Werror=sizeo f-array-div -Werror=string-plus-int -Werror=unreachable-code-loop-increment -Wno -error=deprecated-declarations -Wno-c23-extensions -Wno-c99-designator -Wno-gnu- folding-constant -Wno-inconsistent-missing-override -Wno-error=reorder-init-list -Wno-reorder-init-list -Wno-sign-compare -Wno-unused -DANDROID -DNDEBUG -UDEBUG -D__compiler_offsetof=__builtin_offsetof -D__ANDROID_UNAVAILABLE_SYMBOLS_ARE_WE AK__ -faddrsig -fdebug-default-version=5 -fcolor-diagnostics -ffp-contract=off - fno-exceptions -fno-strict-aliasing -fmessage-length=0 -gsimple-template-names - gz=zstd -no-canonical-prefixes -fdebug-prefix-map=/proc/self/cwd= -ftrivial-auto -var-init=zero -Wno-unused-command-line-argument -g -Wno-enum-compare -Wno-enum -compare-switch -Wno-null-pointer-arithmetic -Wno-null-dereference -Wno-pointer- compare -Wno-final-dtor-non-final-class -Wno-psabi -Wno-null-pointer-subtraction -Wno-string-concatenation -Wno-deprecated-non-prototype -Wno-unused -Wno-deprec ated -Wno-error=format -target x86_64-linux-gnu -fPIC -Wimplicit-fallthrough -D _LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS -Wno-gnu-include-next -Iexternal/icu/ libandroidicuinit/include -Iexternal/icu/libandroidicuinit -Iexternal/icu/icu4c/ source/common -Iexternal/icu/android_icu4c/include -Iprebuilts/clang/host/linux- x86/clang-r547379/include/x86_64-unknown-linux-gnu/c++/v1 -Iprebuilts/clang/host /linux-x86/clang-r547379/include/c++/v1 -Wall -Werror -std=gnu++20 -fno-rtti -no stdinc++ -Isystem/core/include -Isystem/logging/liblog/include -Isystem/media/au dio/include -Ihardware/libhardware/include -Ihardware/libhardware_legacy/include -Ihardware/ril/include -Iframeworks/native/include -Iframeworks/native/opengl/i nclude -Iframeworks/av/include -Werror=bool-operation -Werror=dangling -Werror= format-insufficient-args -Werror=implicit-int-float-conversion -Werror=int-in-bo ol-context -Werror=int-to-pointer-cast -Werror=pointer-to-int-cast -Werror=xor-u sed-as-pow -Wimplicit-int-float-conversion -Wno-void-pointer-to-enum-cast -Wno-v oid-pointer-to-int-cast -Wno-pointer-to-int-cast -Werror=fortify-source -Wno-unu sed-variable -Wno-missing-field-initializers -Wno-packed-non-pod -Werror=address -of-temporary -Werror=incompatible-function-pointer-types -Werror=null-dereferen ce -Werror=return-type -Wno-tautological-constant-compare -Wno-tautological-type -limit-compare -Wno-implicit-int-float-conversion -Wno-tautological-overlap-comp are -Wno-deprecated-copy -Wno-range-loop-construct -Wno-zero-as-null-pointer-con stant -Wno-deprecated-anon-enum-enum-conversion -Wno-deprecated-enum-enum-conver sion -Wno-error=pessimizing-move -Wno-non-c-typedef-for-linkage -Wno-align-misma tch -Wno-error=unused-but-set-variable -Wno-error=unused-but-set-parameter -Wno- error=deprecated-builtins -Wno-error=deprecated -Wno-error=invalid-offsetof -Wno -vla-cxx-extension -Wno-cast-function-type-mismatch -fcommon -Wno-format-insuff icient-args -Wno-misleading-indentation -Wno-bitwise-instead-of-logical -Wno-unu sed -Wno-unused-parameter -Wno-unused-but-set-parameter -Wno-unqualified-std-cas t-call -Wno-array-parameter -Wno-gnu-offsetof-extensions -Wno-pessimizing-move - MD -MF out/soong/.intermediates/external/icu/libandroidicuinit/libandroidicuinit /linux_glibc_x86_64_static/obj/external/icu/libandroidicuinit/android_icu_init.o .d -o out/soong/.intermediates/external/icu/libandroidicuinit/libandroidicuinit/ linux_glibc_x86_64_static/obj/external/icu/libandroidicuinit/android_icu_init.o external/icu/libandroidicuinit/android_icu_init.cpp ccache: error: Failed to create directory /home/hya/.ccache/tmp: Read-only file system \nWrite to a read-only file system detected. Possible fixes include 1. Generate file directly to out/ which is ReadWrite, #recommend solution 2. BUILD_BROKEN_SRC_DIR_RW_ALLOWLIST := <my/path/1> <my/path/2> #discouraged, su bset of source tree will be RW 3. BUILD_BROKEN_SRC_DIR_IS_WRITABLE := true #highly discouraged, entire source t ree will be RW 02:46:49 ninja failed with: exit status 1 #### failed to build some targets (10:52 (mm:ss)) ####
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学习一段时间的应用开发，应用层有时也是需要在android源代码下编译的，比如HAL。我选择android4.4源代码，相比于之前的一些版本，android4.4加入了ART，在4.4中ART是提供给用户选择的，在5.0中，系统默认使用的ART，不是以前的dalvik。 第一步，搭建开发编译环境毕竟不是专门在Linux下开发，于是在vbox虚拟机中搭建了ubuntu的开发环境，官方推荐14.04,u
androidexternal目录下新增一个可执行应用及编译
LoongEmbedded的专栏
08-01 7186
androidexternal目录下新增一个可执行应用及编译 新增的应用为test文件夹，此文件夹下包含Android.mk和test.cpp文件，Android.mk内容如下：LOCAL_PATH := $(call my-dir)include $(CLEAR_VARS)LOCAL_SRC_FILES := study.cppLOCAL_MODULE := studyLOCAL_MODULE_
Android 更新时区
weixin_44021334的博客
04-28 1693
官网参考部分国家或者地区更改其对应的时区规则后 ，如取消夏令时，Android 系统的时区时间会不对，需要同步更新。
ICU各种单位的修改和编译
android大牛MrJing 活动中心
08-24 3235
ICU 是开源项目， 提供了最新的unicode标准，字符集转换， 以及超过300个国家的本地数据， 比如数字，时间和信息显示格式等，以及不同语言下的文本排序，日历相关的日期时间操作等。 详细内容可以访问： http://userguide.icu-project.org/   在android 中， ICU 源码位于 external/icu/下。不会自动编译,需要提前编译后然后把icu**l....
修改icu4c中资源的编译方法
loveayala的专栏
11-10 2600
# 具体步骤（可复制下面命令，直接运行）： # 1)新增或者修改external/icu4c/data目录下的资源 # 2)创建一个临时目录: # croot rm external/icu4c/stubdata/icudt48l-all.dat rm external/icu4c/stubdata/icudt48l-default.dat rm -rf external/ic
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