create changeInstallName function

src/Dependency.cpp

@@ -210,55 +210,24 @@ void Dependency::copyYourself()
 void Dependency::fixFileThatDependsOnMe(std::string file_to_fix)
 {
     // for main lib file
-    std::string command = std::string("install_name_tool -change ") +
+    changeInstallName(file_to_fix, getOriginalPath(), getInnerPath());
-    getOriginalPath() + " " + getInnerPath() + " " + file_to_fix;
-    
-    if( systemp( command ) != 0 )
-    {
-        std::cerr << "\n\nError : An error occured while trying to fix dependencies of " << file_to_fix << std::endl;
-        exit(1);
-    }
-    
     // for symlinks
     const int symamount = symlinks.size();
     for(int n=0; n<symamount; n++)
     {
-        command = std::string("install_name_tool -change ") +
+        changeInstallName(file_to_fix, symlinks[n], getInnerPath());
-        symlinks[n] + " " + getInnerPath() + " " + file_to_fix;
-        
-        if( systemp( command ) != 0 )
-        {
-            std::cerr << "\n\nError : An error occured while trying to fix dependencies of " << file_to_fix << std::endl;
-            exit(1);
     }
-    }
-    
     
     // FIXME - hackish
     if(missing_prefixes)
     {
         // for main lib file
-        command = std::string("install_name_tool -change ") +
+        changeInstallName(file_to_fix, filename, getInnerPath());
-        filename + " " + getInnerPath() + " " + file_to_fix;
-        
-        if( systemp( command ) != 0 )
-        {
-            std::cerr << "\n\nError : An error occured while trying to fix dependencies of " << file_to_fix << std::endl;
-            exit(1);
-        }
-        
         // for symlinks
         const int symamount = symlinks.size();
         for(int n=0; n<symamount; n++)
         {
-            command = std::string("install_name_tool -change ") +
+            changeInstallName(file_to_fix, symlinks[n], getInnerPath());
-            symlinks[n] + " " + getInnerPath() + " " + file_to_fix;
+        }
-            
-            if( systemp( command ) != 0 )
-            {
-                std::cerr << "\n\nError : An error occured while trying to fix dependencies of " << file_to_fix << std::endl;
-                exit(1);
     }
-        }//next
-    }// end if(missing_prefixes)
 }

src/Utils.cpp

@@ -167,6 +167,16 @@ int systemp(std::string& cmd)
     return system(cmd.c_str());
 }
 
+void changeInstallName(const std::string& binary_file, const std::string& old_name, const std::string& new_name)
+{
+    std::string command = std::string("install_name_tool -change ") + old_name + " " + new_name + " " + binary_file;
+    if( systemp( command ) != 0 )
+    {
+        std::cerr << "\n\nError: An error occured while trying to fix dependencies of " << binary_file << std::endl;
+        exit(1);
+    }
+}
+
 std::string getUserInputDirForFile(const std::string& filename)
 {
     const int searchPathAmount = Settings::searchPathAmount();

src/Utils.h

@@ -41,6 +41,7 @@ std::string system_get_output(std::string cmd);
 
 // like 'system', runs a command on the system shell, but also prints the command to stdout.
 int systemp(std::string& cmd);
+void changeInstallName(const std::string& binary_file, const std::string& old_name, const std::string& new_name);
 std::string getUserInputDirForFile(const std::string& filename);
 
 #endif