[Lldb-commits] [PATCH] D13625: Support RHEL 7 and similar systems that use architecture-specific Python lib dirs.

[Todd Fiala via lldb-commits]

tfiala created this revision.
tfiala added reviewers: labath, dawn.
tfiala added a subscriber: lldb-commits.

This change fixes 'lldb -P' (retrieve lldb-module python path) to work correctly on cmake-based builds on POSIX systems.

Previously, this would assume the python module installation path was in the lldb lib directory.  This is not accurate for RHEL, which uses an architecture-specific directory name (i.e. lib64 for x86_64 versions).

Now, with this change, the python identified during build is called with a script at configure time and builds with a #define for the relative directory path used for this system's particular python style.  On RHEL, this turns into lib64/python{maj}.{min}/..., while it will be lib/python{maj}.{min}/... on other systems.  This removes the lldb code from guessing it in this case.

The old behavior is preserved in the event that the configure-time python script fails to determine the relative python module lib dir.

This fixes:
https://llvm.org/bugs/show_bug.cgi?id=25134

http://reviews.llvm.org/D13625

Files:
  scripts/get_relative_lib_dir.py
  source/Host/CMakeLists.txt
  source/Host/posix/HostInfoPosix.cpp
  www/build.html

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