This page provides information on changes for the current and previous versions of the NDK. To download the latest stable version of the NDK, see. Android NDK, Revision r18b (September 2018) Downloads.
Downloads for this release are available. Announcements.
GCC has been removed. is now available for testing. AOSP is in the process of switching to using LLD by default and the NDK will follow (timeline unknown). Test LLD in your app by passing -fuse-ld=lld when linking. gnustl, gabi, and stlport have been removed. Support for ICS (android-14 and android-15) has been removed.
Apps using executables no longer need to provide both a PIE and non-PIE executable. The Play Store will require 64-bit support when uploading an APK beginning in August 2019.
Start porting now to avoid surprises when the time comes. For more information, see. Android NDK, Revision r17c (June 2018) Downloads. Downloads for this release are available. Announcements. GCC is no longer supported.
It will be removed in NDK r18. libc is now the default STL for CMake and standalone toolchains. If you manually selected a different STL, we strongly encourage you to move to libc.
Note that ndk-build still defaults to no STL. For more details, see.
gnustl and stlport are deprecated and will be removed in NDK r18. Support for ARMv5 (armeabi), MIPS, and MIPS64 has been removed. Attempting to build any of these ABIs will result in an error. Support for ICS (android-14 and android-15) will be removed from r18.
The Play Store will require 64-bit support when uploading an APK beginning in August 2019. Start porting now to avoid surprises when the time comes. For more information, see. Android NDK, Revision 16b (December 2017) Downloads. Downloads for this release are available.
Announcements. The deprecated headers have been removed.
Are now simply 'The Headers'. For migration tips, see. GCC is no longer supported. It will not be removed from the NDK just yet, but is no longer receiving backports.
It cannot be removed until after libc has become stable enough to be the default, as some parts of gnustl are still incompatible with Clang. It will be removed when the other STLs are removed in r18.
libc is out of beta and is now the preferred STL in the NDK. Starting in r17, libc is the default STL for CMake and standalone toolchains. If you manually selected a different STL, we strongly encourage you to move to libc. For more details, see this. Support for ARM5 (armeabi), MIPS, and MIPS64 are deprecated. They will no longer build by default with ndk-build, but are still buildable if they are explicitly named, and will be included by 'all', 'all32', and 'all64'. Support for each of these has been removed in r17.
Both CMake and ndk-build will issue a warning if you target any of these ABIs. APIs Added native APIs for.
To learn more about these APIs, see the. For additional information about what's new and changed in this release, see this. Android NDK, Revision 15c (July 2017) Downloads. Downloads for this release are available. Announcements. Unified headers are enabled by default.
To learn how to use these headers, see. Note: The deprecated headers will be removed in an upcoming release. If you encounter any issues with these headers, please file a. For migration tips, see the. GCC is no longer supported.
It is not removed from NDK yet, but is no longer receiving backports. It cannot be removed until after libc stabilizes enough to be the default, as some parts of gnustl are still incompatible with Clang. Android 2.3 ( android-9) is no longer supported. The minimum API level target in the NDK is now Android 4.0 ( android-14). If your APPPLATFORM is set lower than android-14, android-14 is used instead. CMake in NDK now supports building assembly code written in YASM to run on x86 and x86-64 architectures. To learn more, see.
APIs Added native APIs for. To learn more about these APIs, see the. For additional information about what's new and changed in this release, see this. Android NDK, Revision 14b (March 2017) Downloads. Downloads for this release are available.
Announcements. Unified headers: This release introduces platform headers that are synchronized and kept always up-to-date and accurate with the Android platform. Header-only bug fixes now affect all API levels. The introduction of unified headers fixes inconsistencies in earlier NDK releases, such as:. Headers in M and N were actually headers for L. Function declarations in headers did not match their platform levels correctly; headers declared non-existent functions or failed to declare available functions.
Several of the old API levels had missing or incorrect constants that were in newer API levels. These new unified headers are not enabled by default. To learn how to enable and use these headers, see. GCC deprecation: This release ends active support for GCC.
GCC is not removed from the NDK just yet, but will no longer receive backports. As some parts of gnustl are still incompatible with Clang, GCC won't be entirely removed until after libc has become stable enough to be the default. For additional information about what's new and changed in this release, see this. Android NDK, Revision 13b (October 2016) Downloads.
Downloads for this release are archived. Announcements.
GCC is no longer supported. It will not be removed from the NDK just yet, but is no longer receiving backports. It cannot be removed until after libc has become stable enough to be the default, as some parts of gnustl are still incompatible with Clang. It will likely be removed after that point.
Added, a CPU profiler for Android. R13b.
for missing cxabadcast. NDK. NDKTOOLCHAINVERSION now defaults to Clang. libc has been updated to r263688. We've reset to a (nearly) clean upstream.
This should remove a number of bugs, but we still need to clean up libandroidsupport before we will recommend it as the default. make-standalone-toolchain.sh is now simply a wrapper around the Python version of the tool. There are a few behavioral differences. See for details. Some libraries for unsupported ABIs have been removed (mips64r2, mips32r6, mips32r2, and x32).
There might still be some stragglers. Issues with crtbeginstatic.o that resulted in missing atexit at link time when building a static executable for ARM android-21+ have been resolved:. Added CMake toolchain file in build/cmake/android.toolchain.cmake.
Known Issues. This is not intended to be a comprehensive list of all outstanding bugs. Standlone toolchains using libc and GCC do not work. This seems to be a bug in GCC. See for more details.
Bionic headers and libraries for Marshmallow and N are not yet exposed despite the presence of android-24. Those platforms are still the Lollipop headers and libraries (not a regression from r11). RenderScript tools are not present (not a regression from r11):. Android NDK, Revision 12b (June 2016) Downloads. Downloads for this release are archived.
Announcements. The ndk-build command defaults to using Clang in r13.
We will remove GCC in a subsequent release. The make-standalone-toolchain.sh script will be removed in r13. Make sure makestandalonetoolchain.py suits your needs.
Report issues to. R12b. We have fixed ndk-gdb.py. We have updated NdkCameraMetadataTags.h so that it no longer contain an invalid enum value. A bug in ndk-build that resulting in spurious warnings for static libraries using libc has been fixed.
For more information about this change, see the comments. The OpenSLES headers have been updated for android-24. NDK. We removed support for the armeabi-v7a-hard ABI.
For more information, see this. Removed all sysroots for pre-GB platform levels. We dropped support for them in r11, but neglected to actually remove them. Exception handling when using cshared on ARM32 now mostly works. The unwinder will now be linked into each linked object rather than into libc itself. For more information about this exception handling, see. Default compiler flags have been pruned.
For complete information about these changes, see. Added a Python implementation of standalone toolchains: build/tools/makestandalonetoolchain.py.
Windows users no longer need Cygwin to use this feature. We'll be removing the bash flavor in r13, so test the new one now.fno-limit-debug-info has been enabled by default for Clang debug builds.
This change should improve debugability with LLDB.build-id is now enabled by default. Build ID will now be shown in native crash reports so you can easily identify which version of your code was running. NDKUSECYGPATH should no longer cause problems with libgcc. (Android ). The -Wl, -warn-shared-textrel, and -Wl,-fatal-warnings options are now enabled by default. If you have shared text relocations, your app cannot load on Android 6.0 (API level 23) or higher. Text relocations have never been allowed for 64-bit apps.
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Precompiled headers should work better. ( and ). Removed unreachable ARM (non-thumb) STL libraries. Added Vulkan support to android-24. Added Choreographer API to android-24. Added libcamera2 APIs for devices with INFOSUPPORTEDHARDWARELEVELLIMITED or above.
For more information, see. Clang. Clang has been updated to 3.8svn (r256229, build 2812033). The clang.exe and clang.exe executables in the 32-bit Windows package are actually 64-bit. The 32-bit executable is named clang32.exe. thread should work for real this time.
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GCC. Synchronized with the ChromeOS GCC @ google/gcc-49 r227810. Backported coverage sanitizer patch from ToT (r231296). Fixed libatomic to not use ifuncs. Binutils.
Silenced “Erratum 843419 found and fixed” info messages. Introduced option -long-plt to fix internal linker error that occurs when linking huge arm32 binaries.
Fixed wrong run time stubs for AArch64. This was causing jump addresses to be calculated incorrectly for very large DSOs. Introduced default option -no-apply-dynamic to work around a dynamic linker bug for earlier Android releases. NDK r11 KI for dynamiccast does not work with Clang. We have fixed x86, stlportstatic, and optimization. GDB. Updated to GDB 7.11.
For more information, see the page. Some bugfixes for ndk-gdb.py. Known Issues. x86 ASAN still does not work. For more information see the discussion on this. Exception unwinding with cshared still does not work for ARM on Android 2.3 (API level 9) or Android 4.0 (API level 14). Bionic headers and libraries for Android 6.0 (API level 23) and Android 7.0 (API level 24) are not yet exposed despite the presence of android-24.
Those platforms are still the Android 5.0 (API level 21) headers and libraries (not a regression from r11). RenderScript tools are not present (not a regression from r11). This changelog is not intended to be a comprehensive list of all outstanding bugs. Android NDK, Revision 12 (June 2016) Downloads. Downloads for this release are archived. Announcements. The ndk-build command will default to using Clang in an upcoming release.
GCC will be removed in a later release. The make-standalone-toolchain.sh script will be removed in an upcoming release.
If you use this script, please plan to migrate to the makestandalonetoolchain.py as soon as possible. NDK. Removed support for the armeabi-v7a-hard ABI.
See the explanation in the. Removed all sysroots for platform levels prior to Android 2.3 (API level 9).
We dropped support for them in NDK r11, but neglected to actually remove them. Updated exception handling when using cshared on ARM32 so that it mostly works (see ). The unwinder is now linked into each linked object rather than into libc itself.
Pruned the default compiler flags. You can see details of this update in. Added a Python implementation of standalone toolchains in build/tools/makestandalonetoolchain.py. On Windows, you no longer need Cygwin to use this feature. Note that the bash flavor will be removed in an upcoming release, so please test the new one now. Configured Clang debug builds to have the -fno-limit-debug-info option is enabled by default. This change enables better debugging with LLDB.
Enabled the -build-id as a default option. This option causes an identifier to be shown in native crash reports so you can easily identify which version of your code was running. Fixed issue with NDKUSECYGPATH so that it no longer causes problems with libgcc. Enabled the following options as default: -Wl,-warn-shared-textrel and -Wl,-fatal-warnings. If you have shared text relocations, your app does not load on Android 6.0 (API level 23) and higher. Note that this configuration has never been allowed for 64-bit apps.
Fixed a few issues so that precompiled headers work better (, ). Removed unreachable ARM (non-thumb) STL libraries. Added Vulkan support to android-24. Added Choreographer API to android-24.
Added libcamera2 APIs for devices that support the INFOSUPPORTEDHARDWARELEVELLIMITED feature level or higher. For more information, see the reference.
Clang. Clang has been updated to 3.8svn (r256229, build 2812033). The clang.exe and clang.exe executables in the 32-bit Windows package are actually 64-bit. The 32-bit executable is named clang32.exe. Fixed thread so that it works for real this time. GCC. Synchronized the compiler with the ChromeOS GCC @ google/gcc-49 r227810.
Backported coverage sanitizer patch from ToT (r231296). Fixed libatomic to not use ifuncs. Binutils.
Silenced the 'Erratum 843419 found and fixed' info messages. Introduced option -long-plt to fix an internal linker error when linking huge arm32 binaries. Fixed wrong run time stubs for AArch64. This problem was causing jump addresses to be calculated incorrectly for very large dynamic shared objects (DSOs). Introduced default option -no-apply-dynamic to work around a dynamic linker bug for earlier Android releases.
Fixed a known issue with NDK r11 where dynamiccast was not working with Clang, x86, stlportstatic and optimization. GDB. Updated to GDB version 7.11.
For more information about this release, see. Fixed a number of bugs in the ndk-gdb.py script. Known Issues. The x86 (ASAN) currently does not work. For more information, see.
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Exception unwinding with cshared does not work for ARM on Android 2.3 (API level 9) or Android 4.0 (API level 14). Bionic headers and libraries for Android 6.0 (API level 23) and higher are not yet exposed despite the presence of android-24. Those platforms still have the Android 5.0 (API level 21) headers and libraries, which is consistent with NDK r11. The RenderScript tools are not present, which is consistent with NDK r11. In NdkCameraMetadataTags.h header file, the camera metadata tag enum value ACAMERASTATISTICSLENSSHADINGCORRECTIONMAP was listed by accident and will be removed in next release.
Use the ACAMERASTATISTICSLENSSHADINGMAP value instead. Android NDK, Revision 11c (March 2016) Changes. Applied additional fixes to the ndk-gdb.py script. Added an optional package name argument to the ndk-gdb command -attach option.
Fixed invalid toolchain paths for 32-bit Windows platform. Fixed the relative path for the ndk-which command. Fixed use of cygpath for the libgcc compiler.
(Android ) Android NDK, Revision 11b (March 2016) NDK. Important announcements. We’ve moved our bug tracker to. Changes. ndk-gdb.py is fixed. It had in r11. ndk-gdb for Mac.
Added more top-level shortcuts for command line tools:. ndk-depends. This command had been entirely absent from previous releases. Fixed standalone toolchains for libc, which had been missing cxxabiconfig.h. Fixed help documentation for -toolchain in make-standalone-toolchain.sh.
Clang. Errata. Contrary to what we reported in the r11 Release Notes, thread does not work. This is because the version of Clang we ship is missing a bug fix for emulated TLS support. Android NDK, Revision 11 (March 2016) Clang. Important announcements. We strongly recommend switching to Clang.
If you experience problems with Clang, file bugs for issues specific to Clang in the NDK. For more general Clang issues, file bugs by following the instructions on. Clang has been updated to 3.8svn (r243773, build 2481030). This version is a nearly pure upstream Clang. The Windows 64-bit downloadable NDK package contains a 32-bit version of Clang.
Additions. Clang now provides support for emulated TLS. The compiler now supports thread by emulating ELF TLS with pthread thread-specific data. C11 threadlocal works in some cases, but not for data with non-trivial destructors, because those cases require support from libc. This limitation does not apply when running on Android 6.0 (API level 23) or newer. Emulated TLS does not yet work with Aarch64 when TLS variables are accessed from a shared library. GCC.
Important announcements. GCC in the NDK is now deprecated in favor of Clang. The NDK will neither be upgrading to 5.x, nor accept non-critical backports. Maintenance for miscompiles and internal compiler errors in 4.9 will be handled on a case by case basis. Removals. Removed GCC 4.8.
All targets now use GCC 4.9. Other changes. Synchronized google/gcc-49 to r224707. Previously, it had been synchronized with r214835. NDK. Important announcements.
The samples are no longer included in the NDK package. They are instead available on.
The documentation is no longer included in the NDK package. Instead, it is on the. Additions. Added a native tracing API to android-23. Added a native multinetwork API to android-23. Enabled libc, m, and dl to provide versioned symbols, starting from API level 21. Added Vulkan headers and library to API level N.
Removals. Removed support for WCHARIS8BIT. Removed sed. Removed mclinker. Removed Perl. Removed from all versions of NDK libc, m, and dl all symbols which the platform versions of those libs do not support.
Partially removed support for mips64r2. The rest will be removed in the future. Other changes. Changed ARM standalone toolchains to default to arm7. You can restore the old behavior by passing specifying the -target option as armv5te-linux-androideabi. Changed the build system to use -isystem for platform includes.
Warnings that bionic causes no longer break app builds. Fixed a segfault that occurred when a binary threw exceptions via gabi. (Issue ).
Changed libc’s inline namespace to std::ndk1 to prevent ODR issues with platform libc. All libc libraries are now built with libcabi. Bumped default APPPLATFORM to Gingerbread. Expect support for Froyo and older to be dropped in a future release. Updated gabi UnwindException struct for 64 bits. Added the following capabilities to cpufeatures:. Detect SSE4.1 and SSE4.2.
Detect cpu features on x8664. Updated libcabi to upstream.
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Updated byteswap.h, endian.h, sys/procfs.h, sys/ucontext.h, sys/user.h, and uchar.h from ToT Bionic. Synchronized sys/cdefs.h across all API levels. Fixed fegetenv and fesetenv for arm.
Fix end pointer size/alignment of crtend. for mips64 and x8664. Binutils. Additions.
Added a new option: -pic-veneer. Removals.
The 32-bit Windows package no longer contains ld.gold. You can instead get ld.gold from the 64-bit Windows package. Changes. Unified binutils source between Android and ChromiumOS. For more information on this change, see the comments.
Improved reliability of Gold for aarch64. Use -fuse-ld=gold at link time to use gold instead of bfd.
The default will likely switch in the next release. Improved linking time for huge binaries for Gold ARM back end (up to 50% linking time reduction for debuggable Chrome Browser). GDB. Removals.
Removed ndk-gdb in favor of ndk-gdb.py. Changes. Updated gdb to version 7.10. Improved performance. Improved error messages.
Fixed relative project paths. Stopped Ctrl-C from killing the backgrounded gdbserver.
Improved Windows support. YASM. Changes. Updated YASM to version 1.3.0. Known issues.
x86 ASAN does not currently work. For more information, see the discussion. The combination of Clang, x86, stlportstatic, and optimization levels higher than -O0 causes test failures with dynamiccast. For more information, see the comments. Exception handling often fails with cshared on ARM32. The root cause is incompatibility between the LLVM unwinder that libcabi uses for ARM32 and libgcc. This behavior is not a regression from r10e.
Android NDK, Revision 10e (May 2015) Downloads. Downloads for this release are archived. Important changes:. Integrated the workaround for Cortex-A53 Erratum 843419 into the aarch64-linux-android-4.9 linker. For more information on this workaround, see.
Added Clang 3.6; NDKTOOLCHAINVERSION=clang now picks that version of Clang by default. Removed Clang 3.4.
Removed GCC 4.6. Implemented multithreading support in ld.gold for all architectures. It can now link with or without support for multithreading; the default is to do it without. To compile with multithreading, use the -threads option. To compile without multithreading, use the -no-threads option. Upgraded GDB/gdbserver to 7.7 for all architectures.
Removed the NDK package for 32-bit Darwin. Important bug fixes:. Fixed a crash that occurred when there were OpenMP loops outside of the main thread.
Fixed a GCC 4.9 internal compiler error ( ICE) that occurred when the user declared #pragma GCC optimize ('O0'), but had a different level of optimization specified on the command line. The pragma takes precedence. Fixed an error that used to produce a crash with the following error message: in addstores, at var-tracking.c:6000.
Implemented a workaround for a Clang 3.5 issue in which LLVM auto-vectorization generates llvm.cttz.v2i64, an instruction with no counterpart in the ARM instruction set. Other bug fixes:. Made the following header and library fixes:. Fixed PROPERTY. in media/NdkMediaDrm.h. Fixed sys/ucontext.h for mips64. Dropped the Clang version check for builtinisnan and builtinisinf.
Added android-21/arch-mips/usr/include/asm/reg.h and android-21/arch-mips64/usr/include/asm/reg.h. Fixed a spurious array-bounds warning that GCC 4.9 produced for x86, and reenabled the array bounds warning that GCC 4.9 had produced for ARM. The warning for ARM had previously been unconditionally disabled. Fixed Clang 3.5 for mips and mips64 to create a writable.gccexcepttable section, thus matching GCC behavior.
This change allows you to avoid the following linker warning./ld: warning: creating a DTTEXTREL in a shared object. Backported a fix for compiler-rt issues that were causing crashes when Clang compiled for mips64. For more information, see LLVM Issue. Fixed Clang 3.5 crashes that occurred on non-ASCII comments.
(Issue ). Fixed stlport collate::compare to return -1 and 1. Previously, it had returned arbitrary signed numbers.
Fixed ndk-gdb for 64-bit ABIs. (Issue ). Fixed the crash that the HelloComputeNDK sample for RenderScript was producing on Android 4.4 (Android API level 19). For more information, see.
Fixed libc wrapiter for GCC. For more information, see LLVM Issue. Fixed.asm support for ABI x8664. Implemented a workaround for the GCC 4.8 stlport issue. (Issue ).
Removed the trailing directory separator from the project path in Windows. (Issue ). Fixed a no rule to make target error that occurred when compiling a single.c file by executing the ndk-build.cmd command from gradle. (Issue ). Added the libatomic.a and libgomp.a libraries that had been missing from the following host toolchains:.
aarch64-linux-android-4.9. mips64el-linux-android-4.9.
mipsel-linux-android-4.9. x8664-4.9 Other changes:. Added ld.gold for aarch64. The default linker remains ld.bfd.
To explicitly enable ld.gold, add -fuse-ld=gold to the LOCALLDFLAGS or APPLDFLAGS variable. Built the MIPS and MIPS64 toolchains with binutils-2.25, which provides improved R6 support. Made -fstandalone-debug (full debug info) a default option for Clang. Replaced -fstack-protector with -fstack-protector-strong for the ARM, AArch64, X86, and X8664 toolchains for GCC 4.9, Clang 3.5, and Clang 3.6. Added the -package command-line switch to ndk-gdb to allow the build system to override the package name. (Issue ). Deprecated -mno-ldc1-stc1 for MIPS.
This option may not work with the new -fpxx and -mno-odd-spreg options, or with the FPXX ABI. Added MIPS MSA and R6 detection to cpu-features. Android NDK, Revision 10d (December 2014) Important changes:.
Made GCC 4.8 the default for all 32-bit ABIs. Deprecated GCC 4.6, and will remove it next release. To restore previous behavior, either add NDKTOOLCHAINVERSION=4.6 to ndk-build, or add -toolchain=arm-linux-androideabi-4.6 when executing make-standalone-toolchain.sh on the command line. GCC 4.9 remains the default for 64-bit ABIs. Stopped all x8664 toolchains from adding -mstackrealign by default.
The NDK toolchain assumes a 16-byte stack alignment. The tools and options used by default enforce this rule.
A user writing assembly code must make sure to preserve stack alignment, and ensure that other compilers also comply with this rule. (GCC bug ). Added Address Sanitizer functionality to Clang 3.5 support to the ARM and x86 ABIs.
For more information on this change, see the project. Introduced the requirement, starting from API level 21, to use -fPIE -pie when building. In API levels 16 and higher, ndk-build uses PIE when building.
This change has a number of implications, which are discussed in. These implications do not apply to shared libraries.
Important bug fixes:. Made more fixes related to in the aarch64-linux-android-4.9 linker. As part of this, GCC passes a new option, -fix-cortex-a53-835769, when -mfix-cortex-a53-835769 (enabled by default) is specified.
For more information, see this and this. Documented a fix to a libc sscanf/vsscanf hang that occurred in API level 21. The fix itself had been implemented in r10c.
(Issue ). Fixed an AutoFDO ( -fauto-profile) crash that occurred with GCC 4.9 when -Os was specified. (Issue ) Other bug fixes:. Made the following header and library fixes:. Added posixmemalign to API level 16. Also, added a prototype in stdlib.h to API levels 16 to 19.
(Issue ). Fixed stdatomic.h so that it includes only for C11. Modified the following headers for standalone use: sys/user.h, and gl2ext.h, dlext.h, fts.h, sgidefs.h for API level 21. Modified sys/user.h to rename mxcsrmask as mxcrmask, and to change the data type for uar0 from unsigned long to struct userregsstruct. Changed sysconf return value type from int to long. Fixed ndk-build's handling of thumb for LOCALARMMODE: In r10d, ndk-build adds LOCALLDFLAGS+=-mthumb by default, unless one of the following conditions applies:. You have set LOCALARMMODE equal to arm.
You are doing a debug build (with settings such as APPOPTIM=debug and AndroidManifest.xml containing android:debuggable='true'), where ARM mode is the default in order to retain compatibility with earlier toolchains. (Issue ). Fixed LOCALSRCFILES in ndk-build to use Windows absolute paths.
(Issue ). Removed bash-specific code from ndk-gdb.
(Issue ). Removed bash-specific code from make-standalone-toolchain.sh.
(Issue. Revised documentation concerning a fix for System.loadLibrary transitive dependencies. (Issue ). Fixed a problem that was preventing 64-bit packages from extracting on Ubuntu 14.04 and OS X 10.10 (Yosemite).
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(Issue ). Fixed an issue with LOCALPCH to improve Clang support.
(Issue ). Clarified 'requires executable stack' warning from ld.gold. (Issue ) Android NDK, Revision 10c (October 2014) Important changes:. Made the following changes to download structure:. Each package now contains both the 32- and the 64-bit headers, libraries, and tools for its respective platform. STL libraries with debugging info no longer need be downloaded separately.
Changed everything previously called Android-L to the official release designation: android-21. Updated GCC 4.9 by rebasing to the google branch of the GCC repository. Major differences from the upstream version of GCC 4.9 include:. The -O2 option now turns on vectorization, without loop peeling but with more aggressive unrolling. Enhancements to FDO and For more detailed information, see Important bug fixes below. Added Clang 3.5 support to all hosts: NDKTOOLCHAINVERSION=clang now picks Clang 3.5. Note that:.
ARM and x86 default to using the integrated assembler. If this causes issues, use -fno-integrated-as as a workaround.
Clang 3.5 issues more warnings for unused flags, such as the -finline-functions option that GCC supports. When migrating from projects using GCC, you can use -Wno-invalid-command-line-argument and -Wno-unused-command-line-argument to ignore the unused flags until you're able decide on what to do with them longer-term. Made it possible to enter ART debugging mode, when debugging on an Android 5.0 device using ART as its virtual machine, by specifying the art-on option. For more information, see prebuilt/common/gdb/common.setup in the directory containing the NDK. Removed support for Clang 3.3. Deprecated GCC 4.6, and may remove it from future releases. Updated mclinker to 2.8 with Identical Code Folding ('ICF') support.
Specify ICF using the -icf option. Broadened armneon.h support in x86 and x8664, attaining coverage of 93% of NEON intrinsics. For more information about NEON support:. Navigate to the NDK Programmer's Guide ( docs/ProgrammersGuide/html/), and see Architectures and CPUs Neon. Examine the updated hello-neon sample in samples/. See Intel's guide to. Documented support for FORTIFYSOURCE in headers/libs/android-21, which appeared in r10 (when android-21 was still called Android-L), but had no documentation.
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Important bug fixes:. Fixed an internal compiler error with GCC4.9/aarch64 that was causing the following error message (Issue ): internal compiler error: in simplifyconstunaryoperation, at simplify-rtx.c:1539.
User Rating: 2.9 ( 34 votes). Currently 2.91/5. The Android NDK is a companion tool to the Android SDK that lets you build performance-critical portions of your apps in native code. It provides headers and libraries that allow you to build activities, handle user input, use hardware sensors, access application resources, and more, when programming in C or C.
If you write native code, your applications are still packaged into an.apk file and they still run inside of a virtual machine on the device. The fundamental Android application model does not change. Using native code does not result in an automatic performance increase, but always increases application complexity. If you have not run into any limitations using the Android framework APIs, you probably do not need the NDK. Read What is the NDK? For more information about what the NDK offers and whether it will be useful to you. The NDK is designed for use only in conjunction with the Android SDK.
If you have not already installed and setup the Android SDK, please do so before downloading the NDK. FEATURES: A set of tools and build files used to generate native code libraries from C and C sources A way to embed the corresponding native libraries into application package files (.apks) that can be deployed on Android devices A set of native system headers and libraries that will be supported in all future versions of the Android platform, starting from Android 1.5 Documentation, samples, and tutorials. 2002 - Software Engineering - Recommended Practice for the Internet Features 1) Verification of. Elements like default language and metadata; 8) Support for web pages in Chinese, Japanese, Korean and many other languages. 9) Performance optimization for multi-core processors. 10) Validation during navigation. 11) Application.
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