scons: When spawning the linker process, don't involve the shell.
The command line can be too long, causing bash to choke. This means we can't
use any shell syntax like shell variables or redirection when linking, but
that should be easy to avoid.
Change-Id: Ie6c8ecab337cef6bd3c7e403346ced06f46f0993
Reviewed-on: https://gem5-review.googlesource.com/2780
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Steve Reinhardt <stever@gmail.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
diff --git a/src/SConscript b/src/SConscript
index 521d73b..645b925 100755
--- a/src/SConscript
+++ b/src/SConscript
@@ -34,6 +34,7 @@
import marshal
import os
import re
+import subprocess
import sys
import zlib
@@ -1194,7 +1195,18 @@
if strip:
progname += '.unstripped'
- targets = new_env.Program(progname, main_objs + static_objs)
+ # When linking the gem5 binary, the command line can be too big for the
+ # shell to handle. Use "subprocess" to spawn processes without passing
+ # through the shell to avoid this problem. That means we also can't use
+ # shell syntax in any of the commands this will run, but that isn't
+ # currently an issue.
+ def spawn_with_subprocess(sh, escape, cmd, args, env):
+ return subprocess.call(args, env=env)
+
+ # Since we're not running through a shell, no escaping is necessary either.
+ targets = new_env.Program(progname, main_objs + static_objs,
+ SPAWN=spawn_with_subprocess,
+ ESCAPE=lambda x: x)
if strip:
if sys.platform == 'sunos5':
