baremetal: Return only existing SDCC compiler include paths

For some architectures, the compiler may return nonexistent
header paths. For example, for the `stm8` architecture, it
returns the path:

 c:\Program Files (x86)\SDCC\bin\..\include\stm8

which is not present on the file system.

This can be confusing intellisense for IDEs, and will also
make it harder to write tests for `cpp.compilerIncludePaths`
property.

So, it makes sense to return only existing paths.

Change-Id: Ibe7078485db900eba2e17710e5de0abeda28f645
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

1 files changed, 2 insertions, 1 deletions

diff --git a/share/qbs/modules/cpp/sdcc.js b/share/qbs/modules/cpp/sdcc.js
index 36454031e..1fa5f0472 100644
--- a/share/qbs/modules/cpp/sdcc.js
+++ b/share/qbs/modules/cpp/sdcc.js
@@ -142,7 +142,8 @@ function dumpDefaultPaths(compilerFilePath, architecture) {
                     || line.startsWith("libpath:")) {
             addIncludePaths = false;
         } else if (addIncludePaths) {
-            includePaths.push(line);
+            if (File.exists(line))
+                includePaths.push(line);
         }
     }