cmSourceFile: mark known locations as such

Primarily, this includes:

  - the rule files generated for custom targets;
  - source files representing custom targets directly;
  - outputs of custom commands;
  - byproducts of custom commands; and
  - dependencies of custom commands.

1 files changed, 4 insertions, 2 deletions

diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index 55b2c51..1974be3 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -607,7 +607,8 @@ public:
 
 cmSourceFile* cmTarget::AddSource(const std::string& src)
 {
-  cmSourceFileLocation sfl(this->Makefile, src);
+  cmSourceFileLocation sfl(this->Makefile, src,
+                           cmSourceFileLocationKind::Known);
   if (std::find_if(this->Internal->SourceEntries.begin(),
                    this->Internal->SourceEntries.end(),
                    TargetPropertyEntryFinder(sfl)) ==
@@ -619,7 +620,8 @@ cmSourceFile* cmTarget::AddSource(const std::string& src)
   if (cmGeneratorExpression::Find(src) != std::string::npos) {
     return nullptr;
   }
-  return this->Makefile->GetOrCreateSource(src);
+  return this->Makefile->GetOrCreateSource(src, false,
+                                           cmSourceFileLocationKind::Known);
 }
 
 void cmTarget::AddLinkDirectory(const std::string& d)