Flush output after each line

The output is not flushed automatically after \n, at least on Windows 10.

2 files changed, 2 insertions, 0 deletions

diff --git a/src/line_printer.cc b/src/line_printer.cc
index a3d0528..fa97447 100644
--- a/src/line_printer.cc
+++ b/src/line_printer.cc
@@ -118,6 +118,7 @@ void LinePrinter::Print(string to_print, LineType type) {
     have_blank_line_ = false;
   } else {
     printf("%s\n", to_print.c_str());
+    fflush(stdout);
   }
 }
 
diff --git a/src/ninja.cc b/src/ninja.cc
index 834e284..d1f86ea 100644
--- a/src/ninja.cc
+++ b/src/ninja.cc
@@ -672,6 +672,7 @@ int NinjaMain::ToolRules(const Options* options, int argc, char* argv[]) {
       }
     }
     printf("\n");
+    fflush(stdout);
   }
   return 0;
 }