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| author | Seth R Johnson <johnsonsr@ornl.gov> | 2021-09-30 19:36:18 (GMT) |
|---|---|---|
| committer | Seth R Johnson <johnsonsr@ornl.gov> | 2021-09-30 19:36:35 (GMT) |
| commit | 8f7e98ef09085011e92b3dfeb8aaf60f31bc9270 (patch) | |
| tree | 28bad367e0db1246901350b4d09ff8e9828be1ed /Help/guide | |
| parent | 89d134c61d4cc78bfb9585c80144ce2acae14cfa (diff) | |
| download | CMake-8f7e98ef09085011e92b3dfeb8aaf60f31bc9270.zip CMake-8f7e98ef09085011e92b3dfeb8aaf60f31bc9270.tar.gz CMake-8f7e98ef09085011e92b3dfeb8aaf60f31bc9270.tar.bz2 | |
cmInstallTargetGenerator: optimize rpath adjustments
With builds that have many internal library directories or many
external libraries, rpaths can be quite large. The cost of calling
install_name_tool thousands of times can add up to minutes on a build,
especially if virus scanning software is there to help you out. With
this change, instead of deleting and then re-adding an rpath, we ignore
it. Likewise we batch all the rpath adjustment calls into a single command.
Before, installing SCALE (some libraries have 70+ build-time RPATHs that
get deleted, plus up to a dozen external RPATHs from upstream
dependencies that should remain in the binary) would take almost 9
minutes on my laptop, and after this change the installation takes only
30 second.
Diffstat (limited to 'Help/guide')
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