From: Florent Kermarrec <florent@enjoy-digital.fr>
Date: Sat, 6 Oct 2018 19:32:38 +0000 (+0200)
Subject: soc/integration/cpu_interface: generate error if unable to find any of the cross... 
X-Git-Tag: 24jan2021_ls180~1568
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3b27d2ae895aa3045759a3716aee07f97597dd0e;p=litex.git

soc/integration/cpu_interface: generate error if unable to find any of the cross compilation toolchains
---

diff --git a/litex/soc/integration/cpu_interface.py b/litex/soc/integration/cpu_interface.py
index 21cbd272..fb8c1017 100644
--- a/litex/soc/integration/cpu_interface.py
+++ b/litex/soc/integration/cpu_interface.py
@@ -31,13 +31,20 @@ def get_cpu_mak(cpu):
 
     # select triple when more than one
     def select_triple(triple):
-        if isinstance(triple, tuple):
+        r = None
+        if not isinstance(triple, tuple):
+            triple = (triple)
+        for i in range(len(triple)):
+            t = triple[i]
+            if which(t+"-gcc"):
+                r = t
+                break
+        if r is None:
+            msg = "Unable to find any of the cross compilation toolchains:\n"
             for i in range(len(triple)):
-                t = triple[i]
-                if which(t+"-gcc"):
-                    return t
-        else:
-            return triple
+                msg += "- " + triple[i] + "\n"
+            raise OSError(msg)
+        return r
 
     # return informations
     return [