Construct a correct value of PYTHONHOME from the interpreter

running SCons, make it into a sticky option that can be
overridden at build time, and set it up before the interpreter
is started.  Also, fix the code that turns sticky options into
config/*.hh so that it works with types other than bool.

--HG--
extra : convert_revision : 602398b35d4da4e813f78865678ed348fdea7270

1 files changed, 6 insertions, 0 deletions

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);