add license_files kwarg to project

Hook this up to installed dependency manifests. This is often needed
above and beyond just an SPDX string -- e.g. many licenses have custom
copyright lines.

1 files changed, 8 insertions, 0 deletions

diff --git a/mesonbuild/backend/backends.py b/mesonbuild/backend/backends.py
index 27004f8..843af5d 100644
--- a/mesonbuild/backend/backends.py
+++ b/mesonbuild/backend/backends.py
@@ -1191,7 +1191,9 @@ class Backend:
             return
         ifilename = os.path.join(self.environment.get_build_dir(), 'depmf.json')
         ofilename = os.path.join(self.environment.get_prefix(), self.build.dep_manifest_name)
+        odirname = os.path.join(self.environment.get_prefix(), os.path.dirname(self.build.dep_manifest_name))
         out_name = os.path.join('{prefix}', self.build.dep_manifest_name)
+        out_dir = os.path.join('{prefix}', os.path.dirname(self.build.dep_manifest_name))
         mfobj = {'type': 'dependency manifest', 'version': '1.0',
                  'projects': {k: v.to_json() for k, v in self.build.dep_manifest.items()}}
         with open(ifilename, 'w', encoding='utf-8') as f:
@@ -1199,6 +1201,12 @@ class Backend:
         # Copy file from, to, and with mode unchanged
         d.data.append(InstallDataBase(ifilename, ofilename, out_name, None, '',
                                       tag='devel', data_type='depmf'))
+        for m in self.build.dep_manifest.values():
+            for ifilename, name in m.license_files:
+                ofilename = os.path.join(odirname, name.relative_name())
+                out_name = os.path.join(out_dir, name.relative_name())
+                d.data.append(InstallDataBase(ifilename, ofilename, out_name, None,
+                                              m.subproject, tag='devel', data_type='depmf'))
 
     def get_regen_filelist(self) -> T.List[str]:
         '''List of all files whose alteration means that the build