Add a method to IncludeDirs to convert to string list

I'm going to use this in the rust module as well, so having a single
source of truth is useful.

1 files changed, 7 insertions, 0 deletions

diff --git a/mesonbuild/build.py b/mesonbuild/build.py
index 36bce1c..8968b18 100644
--- a/mesonbuild/build.py
+++ b/mesonbuild/build.py
@@ -323,6 +323,13 @@ class IncludeDirs:
     def get_extra_build_dirs(self):
         return self.extra_build_dirs
 
+    def to_string_list(self, sourcedir: str) -> T.List[str]:
+        """Convert IncludeDirs object to a list of strings."""
+        strlist: T.List[str] = []
+        for idir in self.incdirs:
+            strlist.append(os.path.join(sourcedir, self.curdir, idir))
+        return strlist
+
 class ExtractedObjects:
     '''
     Holds a list of sources for which the objects must be extracted