From c2d65f7ad2427ae611099f7da989a6bb058c8d93 Mon Sep 17 00:00:00 2001
From: Anton Mitrokhin <anton.mitrokhin@phystech.edu>
Date: Fri, 4 Jul 2014 15:10:36 +0400
Subject: [PATCH] Fixed multiple message sending and added more verbouse
 warning regarding inconsistent ISPC_HOME

---
 alloy.py  | 10 ++++++++--
 common.py |  9 +++++++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/alloy.py b/alloy.py
index 2b2c82b5..4d55e0bf 100755
--- a/alloy.py
+++ b/alloy.py
@@ -84,6 +84,10 @@ def build_LLVM(version_LLVM, revision, folder, tarball, debug, selfbuild, extra,
     # Here we understand what and where do we want to build
     current_path = os.getcwd()
     llvm_home = os.environ["LLVM_HOME"]
+    
+
+    make_sure_dir_exists(llvm_home)
+    
     os.chdir(llvm_home)
     FOLDER_NAME=version_LLVM
     if  version_LLVM == "trunk":
@@ -583,7 +587,7 @@ def validation_run(only, only_targets, reference_branch, number, notify, update,
         msg.attach(text)
         attach_mail_file(msg, alloy_build, "alloy_build.log")
         s = smtplib.SMTP(smtp_server)
-        s.sendmail('ISPC_test_system', options.notify, msg.as_string())
+        s.sendmail('ISPC_test_system', options.notify.split(" "), msg.as_string())
         s.quit()
 
 def Main():
@@ -630,7 +634,8 @@ def Main():
     current_path = os.getcwd()
     make = "make -j" + options.speed
     if os.environ["ISPC_HOME"] != os.getcwd():
-        error("you ISPC_HOME and your current path are different!\n", 2)
+        error("you ISPC_HOME and your current path are different! (" + os.environ["ISPC_HOME"] + " is not equal to " + os.getcwd() +
+        ")\n", 2)
     if options.perf_llvm == True:
         if options.branch == "master":
             options.branch = "trunk"
@@ -679,6 +684,7 @@ import common
 error = common.error
 take_lines = common.take_lines
 print_debug = common.print_debug
+make_sure_dir_exists = common.make_sure_dir_exists
 if __name__ == '__main__':
     # parsing options
     class MyParser(OptionParser):
diff --git a/common.py b/common.py
index 2a788722..6ec33f33 100755
--- a/common.py
+++ b/common.py
@@ -34,6 +34,7 @@
 # // Author: Filippov Ilia
 import sys
 import os
+import errno
 import shutil
 
 def write_to_file(filename, line):
@@ -49,6 +50,14 @@ def remove_if_exists(filename):
         else:
             os.remove(filename)
 
+def make_sure_dir_exists(path):
+    try:
+        os.makedirs(path)
+    except OSError as exception:
+        if exception.errno != errno.EEXIST:
+            raise
+
+
 # detect version which is printed after command
 def take_lines(command, which):
     os.system(command + " > " + "temp_detect_version")