[Bug 283492] Please rename the "mb" macro in /usr/include/machine/atomic.h on arm7 to prevent collisions with mb variables in various projects

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=283492

--- Comment #8 from [email protected] ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/ports/commit/?id=f56d3d4490d1b17f14df8649c01b00713fe5aa4c

commit f56d3d4490d1b17f14df8649c01b00713fe5aa4c
Author:     Robert Clausecker <[email protected]>
AuthorDate: 2026-07-15 11:48:50 +0000
Commit:     Robert Clausecker <[email protected]>
CommitDate: 2026-07-16 14:15:14 +0000

    audio/giada: fix build on armv7

    This port bundles a copy of JUCE.

    juce_BasicNativeHeaders.h pulls in <sys/user.h> which in turn pulls in
    <machine/atomic.h> transitively, which then defines a mb macro polluting
    the name space.  <sys/user.h> is only needed for struct kproc_info,
    which is only needed in juce_SystemStats_linux.cpp to check for
    P_TRACED.  Remove <sys/user.h> from juce_BasicNativeHeaders.h and only
    include it in juce_SystemStats_linux.cpp to avoid namespace pollution
    issues.

    As always, please try to unbundle dependencies if possible.

    Approved by:    portmgr (build fix blanket)
    MFH:            2026Q3
    PR:             283492

 ...dules_juce__core_native_juce__BasicNativeHeaders.h (new) | 10 ++++++++++
 ...les_juce__core_native_juce__SystemStats__linux.cpp (new) | 13 +++++++++++++
 2 files changed, 23 insertions(+)

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