add_custom_command(DEPFILE): ensure all dependencies are taken into account

1 files changed, 9 insertions, 8 deletions

diff --git a/Source/cmTransformDepfile.cxx b/Source/cmTransformDepfile.cxx
index 4032596..81a6507 100644
--- a/Source/cmTransformDepfile.cxx
+++ b/Source/cmTransformDepfile.cxx
@@ -4,7 +4,6 @@
 
 #include <algorithm>
 #include <functional>
-#include <memory>
 #include <string>
 #include <type_traits>
 #include <utility>
@@ -95,14 +94,16 @@ void WriteMSBuildAdditionalInputs(cmsys::ofstream& fout,
 
   // Write the format expected by MSBuild CustomBuild AdditionalInputs.
   const char* sep = "";
-  for (std::string path : content.front().paths) {
-    if (!cmSystemTools::FileIsFullPath(path)) {
-      path =
-        cmSystemTools::CollapseFullPath(path, lg.GetCurrentBinaryDirectory());
+  for (const auto& c : content) {
+    for (std::string path : c.paths) {
+      if (!cmSystemTools::FileIsFullPath(path)) {
+        path = cmSystemTools::CollapseFullPath(path,
+                                               lg.GetCurrentBinaryDirectory());
+      }
+      std::replace(path.begin(), path.end(), '/', '\\');
+      fout << sep << path;
+      sep = ";";
     }
-    std::replace(path.begin(), path.end(), '/', '\\');
-    fout << sep << path;
-    sep = ";";
   }
   fout << "\n";
 }