ENH: Use builtin chrpath instead of relinking ELF targets

  - Add cmSystemTools::ChangeRPath method
  - Add undocumented file(CHRPATH) command
  - When installing use file(CHRPATH) to change the rpath
    instead of relinking
  - Remove CMAKE_CHRPATH lookup from CMakeFindBinUtils
  - Remove CMAKE_USE_CHRPATH option since this should
    always work

1 files changed, 5 insertions, 0 deletions

diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index e03c24cd2c..42282d3764 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -381,6 +381,11 @@ public:
   static bool GuessLibrarySOName(std::string const& fullPath,
                                  std::string& soname);
 
+  /** Try to set the RPATH in an ELF binary.  */
+  static bool ChangeRPath(std::string const& file,
+                          std::string const& newRPath,
+                          std::string* emsg = 0);
+
 private:
   static bool s_ForceUnixPaths;
   static bool s_RunCommandHideConsole;