cling

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Author	SHA1	Message	Date
Vassil Vassilev	55a4e89b3b	Fix ROOT-10484 by implementing dyld support for RPATH. Some libraries are layered can depend on other libraries on a private paths. That is, libA can depend on libB which is neither on the LD_LIBRARY_PATH nor on a known system path. The posix linker injects "variables" such as @rpath which is expanded at link time to resolve the libraries on a relative path. Prior to this patch, cling's Dyld-based symbol resolution could not trace down such cases causing failures in symbol resolution when a symbol is only defined in libB (a private library). This patch implements the basic posix linker substitutions allowing cling's Dyld-based symbol resolution implementation to follow more closely the linker rules. Kudos Alexander Penev (@alexander-penev).	2021-08-07 09:29:07 +02:00

Author

SHA1

Message

Date

Vassil Vassilev

55a4e89b3b

Fix ROOT-10484 by implementing dyld support for RPATH.

Some libraries are layered can depend on other libraries on a private paths.
That is, libA can depend on libB which is neither on the LD_LIBRARY_PATH nor
on a known system path. The posix linker injects "variables" such as @rpath
which is expanded at link time to resolve the libraries on a relative path.

Prior to this patch, cling's Dyld-based symbol resolution could not trace down
such cases causing failures in symbol resolution when a symbol is only defined
in libB (a private library).

This patch implements the basic posix linker substitutions allowing cling's
Dyld-based symbol resolution implementation to follow more closely the linker
rules.

Kudos Alexander Penev (@alexander-penev).

2021-08-07 09:29:07 +02:00

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