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-rw-r--r--SConstruct16
-rw-r--r--src/sim/main.cc6
2 files changed, 18 insertions, 4 deletions
diff --git a/SConstruct b/SConstruct
index 50089700a..dac4d137c 100644
--- a/SConstruct
+++ b/SConstruct
@@ -347,7 +347,10 @@ sticky_opts.AddOptions(
('CC', 'C compiler', os.environ.get('CC', env['CC'])),
('CXX', 'C++ compiler', os.environ.get('CXX', env['CXX'])),
BoolOption('BATCH', 'Use batch pool for build and tests', False),
- ('BATCH_CMD', 'Batch pool submission command name', 'qdo')
+ ('BATCH_CMD', 'Batch pool submission command name', 'qdo'),
+ ('PYTHONHOME',
+ 'Override the default PYTHONHOME for this system (use with caution)',
+ '%s:%s' % (sys.prefix, sys.exec_prefix))
)
# Non-sticky options only apply to the current build.
@@ -359,7 +362,7 @@ nonsticky_opts.AddOptions(
# These options get exported to #defines in config/*.hh (see src/SConscript).
env.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \
'USE_MYSQL', 'NO_FAST_ALLOC', 'SS_COMPATIBLE_FP', \
- 'USE_CHECKER']
+ 'USE_CHECKER', 'PYTHONHOME']
# Define a handy 'no-op' action
def no_action(target, source, env):
@@ -399,8 +402,13 @@ def config_emitter(target, source, env):
option = str(target[0])
# True target is config header file
target = os.path.join('config', option.lower() + '.hh')
- # Force value to 0/1 even if it's a Python bool
- val = int(eval(str(env[option])))
+ val = env[option]
+ if isinstance(val, bool):
+ # Force value to 0/1
+ val = int(val)
+ elif isinstance(val, str):
+ val = '"' + val + '"'
+
# Sources are option name & value (packaged in SCons Value nodes)
return ([target], [Value(option), Value(val)])
diff --git a/src/sim/main.cc b/src/sim/main.cc
index 8bb0d7aaa..133141e57 100644
--- a/src/sim/main.cc
+++ b/src/sim/main.cc
@@ -55,6 +55,7 @@
#include "base/statistics.hh"
#include "base/str.hh"
#include "base/time.hh"
+#include "config/pythonhome.hh"
#include "cpu/base.hh"
#include "cpu/smt.hh"
#include "mem/mem_object.hh"
@@ -145,6 +146,11 @@ main(int argc, char **argv)
if (setenv("PYTHONPATH", pythonpath.c_str(), true) == -1)
fatal("setenv: %s\n", strerror(errno));
+ char *python_home = getenv("PYTHONHOME");
+ if (!python_home)
+ python_home = PYTHONHOME;
+ Py_SetPythonHome(python_home);
+
// initialize embedded Python interpreter
Py_Initialize();
PySys_SetArgv(argc, argv);