Alexander Neundorf wrote:
it's me again, again with my favourite topic: RPATH.
On the Mac there is the install name tool, and now I found a similar tool for
ELF systems, chrpath.
chrpath is able to:
1) remove the RPATH from a executable or library
2) change the RPATH to a RUNPATH
3) replace the RPATH with another RPATH, but the new one may not be longer than
the existing one.
With this nice tool the need for relinking can be avoided, but only if the
already existing RPATH is long enough for the new RPATH.
Maybe this could be supported somewhat similar to install_name_tool ?
Since the tool is not provided with the native build tools on ELF
systems (such as part of binutils) I'm hesitant to make it a first-class
CMake feature. It looks like the tool could be used on a per-project
basis with an INSTALL(SCRIPT) to run the tool on an already-installed
binary just after installing it.
-Brad
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