Windows: Encode child process output to internally-used encoding

Typically Windows applications (eg. MSVC compiler) use current console's
codepage for output to pipes so we need to encode that to our
internally-used encoding (`KWSYS_ENCODING_DEFAULT_CODEPAGE`).

1 files changed, 13 insertions, 1 deletions

diff --git a/Source/cmExecProgramCommand.cxx b/Source/cmExecProgramCommand.cxx
index df92592..6c271a2 100644
--- a/Source/cmExecProgramCommand.cxx
+++ b/Source/cmExecProgramCommand.cxx
@@ -6,6 +6,7 @@
 #include <stdio.h>
 
 #include "cmMakefile.h"
+#include "cmProcessOutput.h"
 #include "cmSystemTools.h"
 
 class cmExecutionStatus;
@@ -214,17 +215,28 @@ bool cmExecProgramCommand::RunCommand(const char* command, std::string& output,
   int length;
   char* data;
   int p;
+  cmProcessOutput processOutput;
+  std::string strdata;
   while ((p = cmsysProcess_WaitForData(cp, &data, &length, CM_NULLPTR), p)) {
     if (p == cmsysProcess_Pipe_STDOUT || p == cmsysProcess_Pipe_STDERR) {
       if (verbose) {
-        cmSystemTools::Stdout(data, length);
+        processOutput.DecodeText(data, length, strdata);
+        cmSystemTools::Stdout(strdata.c_str(), strdata.size());
       }
       output.append(data, length);
     }
   }
 
+  if (verbose) {
+    processOutput.DecodeText(std::string(), strdata);
+    if (!strdata.empty()) {
+      cmSystemTools::Stdout(strdata.c_str(), strdata.size());
+    }
+  }
+
   // All output has been read.  Wait for the process to exit.
   cmsysProcess_WaitForExit(cp, CM_NULLPTR);
+  processOutput.DecodeText(output, output);
 
   // Check the result of running the process.
   std::string msg;