From d6dfde3cd35b4e1747f5658b585022961aa800b3 Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Tue, 9 Jan 2018 09:09:53 -0500
Subject: 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.
---
 Source/cmMakefile.cxx | 14 +++++++++-----
 Source/cmSourceFile.h |  1 +
 Source/cmTarget.cxx   |  6 ++++--
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 5e32e15..b42495c 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -855,7 +855,7 @@ cmSourceFile* cmMakefile::AddCustomCommandToOutput(
     std::string outName = gg->GenerateRuleFile(outputs[0]);
 
     // Check if the rule file already exists.
-    file = this->GetSource(outName);
+    file = this->GetSource(outName, cmSourceFileLocationKind::Known);
     if (file && file->GetCustomCommand() && !replace) {
       // The rule file already exists.
       if (commandLines != file->GetCustomCommand()->GetCommandLines()) {
@@ -868,19 +868,22 @@ cmSourceFile* cmMakefile::AddCustomCommandToOutput(
 
     // Create a cmSourceFile for the rule file.
     if (!file) {
-      file = this->CreateSource(outName, true);
+      file =
+        this->CreateSource(outName, true, cmSourceFileLocationKind::Known);
     }
     file->SetProperty("__CMAKE_RULE", "1");
   }
 
   // Always create the output sources and mark them generated.
   for (std::string const& o : outputs) {
-    if (cmSourceFile* out = this->GetOrCreateSource(o, true)) {
+    if (cmSourceFile* out =
+          this->GetOrCreateSource(o, true, cmSourceFileLocationKind::Known)) {
       out->SetProperty("GENERATED", "1");
     }
   }
   for (std::string const& o : byproducts) {
-    if (cmSourceFile* out = this->GetOrCreateSource(o, true)) {
+    if (cmSourceFile* out =
+          this->GetOrCreateSource(o, true, cmSourceFileLocationKind::Known)) {
       out->SetProperty("GENERATED", "1");
     }
   }
@@ -1092,7 +1095,8 @@ cmTarget* cmMakefile::AddUtilityCommand(
 
     // Always create the byproduct sources and mark them generated.
     for (std::string const& byproduct : byproducts) {
-      if (cmSourceFile* out = this->GetOrCreateSource(byproduct, true)) {
+      if (cmSourceFile* out = this->GetOrCreateSource(
+            byproduct, true, cmSourceFileLocationKind::Known)) {
         out->SetProperty("GENERATED", "1");
       }
     }
diff --git a/Source/cmSourceFile.h b/Source/cmSourceFile.h
index ab40da3..1516d98 100644
--- a/Source/cmSourceFile.h
+++ b/Source/cmSourceFile.h
@@ -7,6 +7,7 @@
 
 #include "cmPropertyMap.h"
 #include "cmSourceFileLocation.h"
+#include "cmSourceFileLocationKind.h"
 
 #include <string>
 #include <vector>
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)
-- 
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