Build Information
Failed to build mParticle-BranchMetrics, reference main (29eb92), with Swift 6.4 for Linux on 8 Nov 2026 05:01:13 UTC.
Build Command
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:linux-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1Build Log
========================================
RunAll
========================================
Builder version: 5.1.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/mparticle-integrations/mparticle-apple-integration-branchmetrics-3.git
Reference: main
Initialized empty Git repository in /host/spi-builder-workspace/.git/
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: git branch -m <name>
From https://github.com/mparticle-integrations/mparticle-apple-integration-branchmetrics-3
* branch main -> FETCH_HEAD
* [new branch] main -> origin/main
HEAD is now at 29eb926 chore: Release v9.7.5 (#1203)
Cloned https://github.com/mparticle-integrations/mparticle-apple-integration-branchmetrics-3.git
Revision (git rev-parse @):
29eb926e6da9d373ffe2bfdf80ea731f5c507dcc
SUCCESS checkout https://github.com/mparticle-integrations/mparticle-apple-integration-branchmetrics-3.git at main
========================================
Build
========================================
Selected platform: linux
Swift version: 6.4
Building package at path: $PWD
https://github.com/mparticle-integrations/mparticle-apple-integration-branchmetrics-3.git
Running build ...
bash -c docker run --pull=always --rm -v "checkouts-53886770-0":/host -w "$PWD" -e JAVA_HOME="/root/.sdkman/candidates/java/current" -e SPI_BUILD="1" -e SPI_PROCESSING="1" registry.gitlab.com/saguaro1/spi-images:linux-6.4-latest swift build --triple x86_64-unknown-linux-gnu 2>&1
linux-6.4-latest: Pulling from saguaro1/spi-images
Digest: sha256:b44244c3c3fc9f2af9eceb487c9bff83319ab045277845df83db1e4f60420d2c
Status: Image is up to date for registry.gitlab.com/saguaro1/spi-images:linux-6.4-latest
Fetching https://github.com/mParticle/mparticle-apple-sdk
Fetching https://github.com/BranchMetrics/ios-branch-sdk-spm
[1/3404] Fetching ios-branch-sdk-spm
[3405/75052] Fetching ios-branch-sdk-spm, mparticle-apple-sdk
Fetched https://github.com/BranchMetrics/ios-branch-sdk-spm (0.74s)
[5016/71648] Fetching mparticle-apple-sdk
Fetched https://github.com/mParticle/mparticle-apple-sdk (6.46s)
Computing version for https://github.com/mParticle/mparticle-apple-sdk
Computed https://github.com/mParticle/mparticle-apple-sdk at 9.7.5 (6.64s)
Fetching https://github.com/ROKT/rokt-contracts-apple.git
[1/426] Fetching rokt-contracts-apple
Fetched https://github.com/ROKT/rokt-contracts-apple.git (0.41s)
Computing version for https://github.com/ROKT/rokt-contracts-apple.git
Computed https://github.com/ROKT/rokt-contracts-apple.git at 2.0.2 (0.54s)
Computing version for https://github.com/BranchMetrics/ios-branch-sdk-spm
Computed https://github.com/BranchMetrics/ios-branch-sdk-spm at 3.14.2 (0.15s)
Creating working copy for https://github.com/BranchMetrics/ios-branch-sdk-spm
Working copy of https://github.com/BranchMetrics/ios-branch-sdk-spm resolved at 3.14.2
Creating working copy for https://github.com/ROKT/rokt-contracts-apple.git
Working copy of https://github.com/ROKT/rokt-contracts-apple.git resolved at 2.0.2
Creating working copy for https://github.com/mParticle/mparticle-apple-sdk
Working copy of https://github.com/mParticle/mparticle-apple-sdk resolved at 9.7.5
Building for debugging...
[Computing dependencies]
[Pre-planning 1 / 275]
[Planning deferred tasks]
In file included from <built-in>:1:
[1m/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h:1:9: [0m[0;1;31mfatal error: [0m[1m'Foundation/Foundation.h' file not found[0m
1 | #import <Foundation/Foundation.h>[0m
| [0;1;32m ^~~~~~~~~~~~~~~~~~~~~~~~~
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/resource_bundle_accessor.o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.m normal x86_64 objective-c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp
/usr/bin/clang -x objective-c -target x86_64-unknown-linux-gnu -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-implicit-fallthrough -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot / @/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp -include /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/resource_bundle_accessor.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/resource_bundle_accessor.dia -c /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.m -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/resource_bundle_accessor.o
In file included from <built-in>:1:
[1m/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h:1:9: [0m[0;1;31mfatal error: [0m[1m'Foundation/Foundation.h' file not found[0m
1 | #import <Foundation/Foundation.h>[0m
| [0;1;32m ^~~~~~~~~~~~~~~~~~~~~~~~~
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSString+Branch.o /host/spi-builder-workspace/.build/checkouts/ios-branch-sdk-spm/Sources/BranchSDK/NSString+Branch.m normal x86_64 objective-c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp
/usr/bin/clang -x objective-c -target x86_64-unknown-linux-gnu -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-implicit-fallthrough -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot / @/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp -include /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSString+Branch.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSString+Branch.dia -c /host/spi-builder-workspace/.build/checkouts/ios-branch-sdk-spm/Sources/BranchSDK/NSString+Branch.m -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSString+Branch.o
In file included from <built-in>:1:
[1m/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h:1:9: [0m[0;1;31mfatal error: [0m[1m'Foundation/Foundation.h' file not found[0m
1 | #import <Foundation/Foundation.h>[0m
| [0;1;32m ^~~~~~~~~~~~~~~~~~~~~~~~~
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/UIViewController+Branch.o /host/spi-builder-workspace/.build/checkouts/ios-branch-sdk-spm/Sources/BranchSDK/UIViewController+Branch.m normal x86_64 objective-c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp
/usr/bin/clang -x objective-c -target x86_64-unknown-linux-gnu -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-implicit-fallthrough -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot / @/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp -include /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/UIViewController+Branch.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/UIViewController+Branch.dia -c /host/spi-builder-workspace/.build/checkouts/ios-branch-sdk-spm/Sources/BranchSDK/UIViewController+Branch.m -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/UIViewController+Branch.o
In file included from <built-in>:1:
[1m/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h:1:9: [0m[0;1;31mfatal error: [0m[1m'Foundation/Foundation.h' file not found[0m
1 | #import <Foundation/Foundation.h>[0m
| [0;1;32m ^~~~~~~~~~~~~~~~~~~~~~~~~
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSMutableDictionary+Branch.o /host/spi-builder-workspace/.build/checkouts/ios-branch-sdk-spm/Sources/BranchSDK/NSMutableDictionary+Branch.m normal x86_64 objective-c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp
/usr/bin/clang -x objective-c -target x86_64-unknown-linux-gnu -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-implicit-fallthrough -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot / @/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp -include /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSMutableDictionary+Branch.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSMutableDictionary+Branch.dia -c /host/spi-builder-workspace/.build/checkouts/ios-branch-sdk-spm/Sources/BranchSDK/NSMutableDictionary+Branch.m -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSMutableDictionary+Branch.o
In file included from <built-in>:1:
[1m/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h:1:9: [0m[0;1;31mfatal error: [0m[1m'Foundation/Foundation.h' file not found[0m
1 | #import <Foundation/Foundation.h>[0m
| [0;1;32m ^~~~~~~~~~~~~~~~~~~~~~~~~
[0m1 error generated.
error: CompileC /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSError+Branch.o /host/spi-builder-workspace/.build/checkouts/ios-branch-sdk-spm/Sources/BranchSDK/NSError+Branch.m normal x86_64 objective-c com.apple.compilers.llvm.clang.1_0.compiler failed with a nonzero exit code. Command line: cd /host
Using response file: /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp
/usr/bin/clang -x objective-c -target x86_64-unknown-linux-gnu -fmessage-length\=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit\=0 -fcolor-diagnostics -Wno-trigraphs -Wno-missing-field-initializers -Wno-missing-prototypes -Wno-return-type -Wno-implicit-atomic-properties -Wno-objc-interface-ivars -Wno-arc-repeated-use-of-weak -Wno-missing-braces -Wparentheses -Wswitch -Wno-unused-function -Wno-unused-label -Wno-unused-parameter -Wno-unused-variable -Wunused-value -Wno-empty-body -Wno-uninitialized -Wno-unknown-pragmas -w -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wno-constant-conversion -Wno-int-conversion -Wno-bool-conversion -Wno-enum-conversion -Wno-float-conversion -Wno-non-literal-null-conversion -Wno-objc-literal-conversion -Wno-shorten-64-to-32 -Wpointer-sign -Wno-newline-eof -Wno-selector -Wno-strict-selector-match -Wno-undeclared-selector -Wno-deprecated-implementations -Wno-implicit-fallthrough -fstrict-aliasing -Wprotocol -Wdeprecated-declarations -Wno-sign-conversion -Wno-infinite-recursion -Wno-comma -Wno-block-capture-autoreleasing -Wno-strict-prototypes -Wno-semicolon-before-method-body --sysroot / @/host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/6f95552a3397ee1cec971b90cf334075d5f321c3a3b0689ad55c3d1e24702600-common-args.resp -include /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/DerivedSources/resource_bundle_accessor.h -MMD -MT dependencies -MF /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSError+Branch.d --serialize-diagnostics /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSError+Branch.dia -c /host/spi-builder-workspace/.build/checkouts/ios-branch-sdk-spm/Sources/BranchSDK/NSError+Branch.m -o /host/spi-builder-workspace/.build/out/Intermediates.noindex/BranchSDK.build/Debug-linux-x86_64/BranchSDK-t.build/Objects-normal/x86_64/NSError+Branch.o
error: Build failed
BUILD FAILURE 6.4 linux