[Bug 284378] www/webkit2-gtk: interactions with C++ dependencies built with clang/libc++ causes WebProcess crash

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=284378

Mark Millard <marklmi26-fbsd@yahoo.com> changed:

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--- Comment #29 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Nuno Teixeira from comment #1)
(In reply to Charlie Li from comment #2)
(also: huanghwh@gmail.com )

lang/gcc* for a modern enough * supports use of
-stdlib=libc++ instead of the gcc default of
-stdlib=libstdc++ . In other words, lang/gcc14
(for example) supports using the system's libc++
instead of the lang/gcc* 's libstdc++ . This gets
rid of the problem of using contradictory
implementations of the C++ standard library in
the same process.

So, if you can figure out how to have the relevant
package(s) build using -stdlib=libc++ consistently
with gcc, you have a chance of it building based
on the system libc++ and mixing with other things
better. (I've no clue if the implementation is
generic with respect to the C++ standard library
vs. being tied to a specific implementation.)

In some cases, this might be easier than switching
from lang/gcc* to system clang (or to a devel/llvm*
clang).

At least something to explore to see if it helps.

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