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Check for _GLIBCXX_USE_CXX11_ABI only when compiling with libstdc++#7626

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wmaxey merged 1 commit intoNVIDIA:mainfrom
davebayer:fix_glibcxx_abi_macro_with_libcxx
Feb 11, 2026
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Check for _GLIBCXX_USE_CXX11_ABI only when compiling with libstdc++#7626
wmaxey merged 1 commit intoNVIDIA:mainfrom
davebayer:fix_glibcxx_abi_macro_with_libcxx

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Guys from TensorRT team had problem compiling libcu++ when using libc++ as the host standard library and defining _GLIBCXX_USE_CXX11_ABI at the same time. This PR fixes that

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🥳 CI Workflow Results

🟩 Finished in 1h 15m: Pass: 100%/95 | Total: 1d 13h | Max: 1h 05m | Hits: 97%/249635

See results here.

@wmaxey wmaxey merged commit 38433c4 into NVIDIA:main Feb 11, 2026
113 of 114 checks passed
@github-project-automation github-project-automation bot moved this from In Review to Done in CCCL Feb 11, 2026
github-actions bot pushed a commit that referenced this pull request Feb 11, 2026
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Successfully created backport PR for branch/3.2.x:

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Successfully created backport PR for branch/3.3.x:

wmaxey pushed a commit that referenced this pull request Feb 11, 2026
…#7626) (#7630)

(cherry picked from commit 38433c4)

Co-authored-by: David Bayer <48736217+davebayer@users.noreply.github.com>
wmaxey pushed a commit that referenced this pull request Feb 17, 2026
…#7626) (#7631)

(cherry picked from commit 38433c4)

Co-authored-by: David Bayer <48736217+davebayer@users.noreply.github.com>
@davebayer davebayer deleted the fix_glibcxx_abi_macro_with_libcxx branch February 17, 2026 16:06
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