[Bug 277856] devel/boost-all: Adjust range to use llvm from ports

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=277856

--- Comment #4 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/ports/commit/?id=c4eb9478257e33a0e2c9de216fe4503127f3abef

commit c4eb9478257e33a0e2c9de216fe4503127f3abef
Author:     Yasuhiro Kimura <yasu@FreeBSD.org>
AuthorDate: 2024-04-21 01:14:18 +0000
Commit:     Yasuhiro Kimura <yasu@FreeBSD.org>
CommitDate: 2024-04-21 01:14:18 +0000

    devel/boost-{all,libs}: Adjust range of OSVERSION to use LLVM from ports

    The reason to use LLVM from ports is that there is bug in Clang/LLVM
    of base system that causes assertion failure while building
    devel/boost-libs. The bug is already fixed with main, stable/14 and
    stable/13 branches of src repository. So we need to use LLVM from
    ports only with following ranges of OSVERSION.

    1. 1500000 <= OSVERSION < 1500017
    2. 1400000 <= OSVERSION < 1400509
    3. 1300000 <= OSVERSION < 1303502

    And commit 3b8c51bd37b0 adjusts the range as above.

    But there is a pitfall about it. The assertion failure happens only if
    base system is built with WITH_LLVM_ASSERTIONS variable set. By
    default it is set with main branch but not with stable/* and releng/*
    ones. So wheareas the failure happens with -CURRENT even if it is
    built with default variables settings, it doesn't happen with -STABLE
    and -RELEASE unless they are built with WITH_LLVM_ASSERTIONS set. IMHO
    majority of FreeBSD users use -RELEASE with official binary, and few
    -STABLE users set WITH_LLVM_ASSERTIONS. As a result adjustment with
    commit 3b8c51bd37b0 forces most -RELEASE and -STABLE users to build
    LLVM port unnecessarily.

    So adjust the range so LLVM from ports is used by default only if base
    system is -CURRENT with the assertion failure unfixed. And as a last
    resort for -STABLE and -RELEASE users who set WITH_LLVM_ASSERTIONS,
    add LLVM_FROM_PORTS option to devel/boost-libs that forces to use LLVM
    from ports.

    PR:             277856
    Approved by:    maintainer timeout

 devel/boost-all/compiled.mk |  5 +++--
 devel/boost-libs/Makefile   | 24 +++++++++++++++++++++++-
 2 files changed, 26 insertions(+), 3 deletions(-)

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