Han-sheng Liu has uploaded this change for review. ( https://gem5-review.googlesource.com/c/public/gem5/+/64873?usp=email )

Change subject: scons: Capture TMPDIR envvar
......................................................................

scons: Capture TMPDIR envvar

During gem5 build, the compiler may produce some large intermediate
files. The default path is /tmp, but in some usecase, it's under a small
file system, and we may want to change the storage path to a sufficient
large file system. This CL captures TMPDIR environment variables, to
allow users change the default temporary directory.

Change-Id: Ib3fad301f36df9f3f08eb9b6cfeb4df1b7df5d1a
---
M site_scons/gem5_scons/defaults.py
1 file changed, 16 insertions(+), 0 deletions(-)



diff --git a/site_scons/gem5_scons/defaults.py b/site_scons/gem5_scons/defaults.py
index 2a4e020..4a3ccb6 100644
--- a/site_scons/gem5_scons/defaults.py
+++ b/site_scons/gem5_scons/defaults.py
@@ -77,6 +77,7 @@
         "INCLUDE_SERVER_",  # distcc pump server settings
         "M5",  # M5 configuration (e.g., path to kernels)
         "NIX_",  # wrapped binaries if using nix package manager
+ "TMPDIR", # temporary directory for compiler to put intermediate files
     ]

     for key, val in sorted(os.environ.items()):

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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ib3fad301f36df9f3f08eb9b6cfeb4df1b7df5d1a
Gerrit-Change-Number: 64873
Gerrit-PatchSet: 1
Gerrit-Owner: Han-sheng Liu <handsome...@google.com>
Gerrit-MessageType: newchange
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