[Lldb-commits] [PATCH] D54602: Use a shared module cache directory for LLDB.

Adrian Prantl via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Thu Nov 15 14:30:49 PST 2018

aprantl created this revision.
aprantl added reviewers: JDevlieghere, davide, jingham, vsk.
aprantl added a dependency: D54601: Makefile.rules: Use a shared clang module cache directory..

This saves about 3 redundant gigabytes from the Objective-C test build
directories. Tests that must do unsavory things with the LLDB clang
module cache, already specify a per-test module cache in their .py
test instructions.





Index: packages/Python/lldbsuite/test/lldbtest.py
--- packages/Python/lldbsuite/test/lldbtest.py
+++ packages/Python/lldbsuite/test/lldbtest.py
@@ -1862,8 +1862,9 @@
         # decorators.
-        # Set the clang modules cache path.
-        mod_cache = os.path.join(self.getBuildDir(), "module-cache-lldb")
+        # Set the clang modules cache path used by LLDB.
+        mod_cache = os.path.join(os.path.join(os.environ["LLDB_BUILD"],
+                                              "module-cache-lldb"))
         self.runCmd('settings set symbols.clang-modules-cache-path "%s"'
                     % mod_cache)
Index: lit/lit.cfg.py
--- lit/lit.cfg.py
+++ lit/lit.cfg.py
@@ -128,7 +128,7 @@
 # Clean the module caches in the test build directory.  This is
 # necessary in an incremental build whenever clang changes underneath,
 # so doing it once per lit.py invocation is close enough.
-for i in ['module-cache-clang']:
+for i in ['module-cache-clang', 'module-cache-lldb']:
     cachedir = os.path.join(config.llvm_obj_root, 'lldb-test-build.noindex', i)
     if os.path.isdir(cachedir):
         print("Deleting module cache at %s."%cachedir)

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