Fix concurrency issue in makedirs(tmpdir); don't use pdfjam at TGCC a…

…nd IDRIS

os.makedirs(tmpdir) more robust

env/environment.py

@@ -124,9 +124,10 @@ def my_which(soft):
 if "TMPDIR" in os.environ and not os.path.isdir(os.environ["TMPDIR"]):
     # raise OSError("TMPDIR points to a non existing directory! Change the value of the variable to go on.")
     tmpdir = os.environ["TMPDIR"]
-    if os.path.exists(tmpdir):
+    if os.path.isfile(tmpdir):
         os.remove(tmpdir)
-    os.makedirs(tmpdir)
+    # Account for the case where concurrent jobs execute this line almost simultaneously
+    os.makedirs(tmpdir, exist_OK=True)
 
 # Check dependencies
 try:
@@ -224,7 +225,7 @@ def my_which(soft):
         stamping = None
     clogger.info("---")
 
-if atCNRM or atIPSL:
+if atCNRM or onSpirit or atTGCC or atIDRIS:
     pdf_page_builder = os.sep.join([os.path.dirname(
         os.path.abspath(__file__)), "..", "scripts", "generate_pdf.py"])
 else: