gnu/packages/patches/ninja-zero-mtime.patch


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Work around a design defect in Ninja whereby a zero mtime is used to
denote missing files (we happen to produce files that have a zero mtime
and yet really do exist.)

--- ninja-1.5.3/src/disk_interface.cc	2014-11-24 18:37:47.000000000 +0100
+++ ninja-1.5.3/src/disk_interface.cc	2015-07-18 23:20:38.572290139 +0200
@@ -194,6 +194,12 @@ TimeStamp RealDiskInterface::Stat(const
     }
     return -1;
   }
+
+  if (st.st_mtime == 0)
+    // All the code assumes that mtime == 0 means "file missing".  Here we
+    // know the file is not missing, so tweak the mtime.
+    st.st_mtime = 1;
+
   return st.st_mtime;
 #endif
 }