commit 032506acc6db710d2b402f0d17ae678a0d6e8406
author Asit Dhal <dhal.asitk@gmail.com> Sun Jun 14 00:39:33 2020 +0200
committer Asit Dhal <dhal.asitk@gmail.com> Wed Jun 17 05:22:34 2020 +0200
tree 3d5178c1187b86a3478e4c0ef6ad5576e79f8d68
parent 187f77f59cb2b66b9e5960993ead4deb81bc96ca

cmake: implement error handling in configure_file

Implement error handling in case it fails

Fixes: #20696

Source/cmMakefile.cxx

diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 5c3063b..fa91059 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -4027,6 +4027,8 @@
 
   if (copyonly) {
     if (!cmSystemTools::CopyFileIfDifferent(sinfile, soutfile)) {
+      this->IssueMessage(MessageType::FATAL_ERROR,
+                         cmSystemTools::GetLastSystemError());
       return 0;
     }
   } else {
@@ -4077,9 +4079,15 @@
     fin.close();
     fout.close();
     if (!cmSystemTools::CopyFileIfDifferent(tempOutputFile, soutfile)) {
+      this->IssueMessage(MessageType::FATAL_ERROR,
+                         cmSystemTools::GetLastSystemError());
       res = 0;
     } else {
-      cmSystemTools::SetPermissions(soutfile, perm);
+      if (!cmSystemTools::SetPermissions(soutfile, perm)) {
+        this->IssueMessage(MessageType::FATAL_ERROR,
+                           cmSystemTools::GetLastSystemError());
+        res = 0;
+      }
     }
     cmSystemTools::RemoveFile(tempOutputFile);
   }