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Users can configure use of RPATH or RUNPATH (#9168)

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Add a new entry in `config.yaml`:

    config:
        shared_linking: 'rpath'

If this variable is set to `rpath` (the default) Spack will set RPATH in ELF binaries. If set to `runpath` it will set RUNPATH.

Details:
* Spack cc wrapper explicitly adds `--disable-new-dtags` when linking
* cc wrapper also strips `--enable-new-dtags` from the compile line
    when disabling (and vice versa)
* We specifically do *not* add any dtags flags on macOS, which uses
    Mach-O binaries, not ELF, so there's no RUNPATH)
This commit is contained in:
Massimiliano Culpo
2019-10-23 22:22:24 +02:00
committed by Todd Gamblin
parent cd185c3d28
commit b29eb4212e
9 changed files with 172 additions and 2 deletions
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5
etc/spack/defaults/config.yaml
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@@ -138,3 +138,8 @@ config:
# anticipates that a significant delay indicates that the lock attempt will
# never succeed.
package_lock_timeout: null
# Control whether Spack embeds RPATH or RUNPATH attributes in ELF binaries.
# Has no effect on macOS. DO NOT MIX these within the same install tree.
# See the Spack documentation for details.
shared_linking: 'rpath'