1 files changed, 58 insertions, 24 deletions

diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 39625ae..8978e18 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -505,6 +505,39 @@ void cmSystemTools::ParseUnixCommandLine(const char* command,
   argv.Store(args);
 }
 
+std::vector<std::string> cmSystemTools::HandleResponseFile(
+  std::vector<std::string>::const_iterator argBeg,
+  std::vector<std::string>::const_iterator argEnd)
+{
+  std::vector<std::string> arg_full;
+  for (std::vector<std::string>::const_iterator a = argBeg; a != argEnd; ++a) {
+    std::string const& arg = *a;
+    if (cmHasLiteralPrefix(arg, "@")) {
+      cmsys::ifstream responseFile(arg.substr(1).c_str(), std::ios::in);
+      if (!responseFile) {
+        std::string error = "failed to open for reading (";
+        error += cmSystemTools::GetLastSystemError();
+        error += "):\n  ";
+        error += arg.substr(1);
+        cmSystemTools::Error(error.c_str());
+      } else {
+        std::string line;
+        cmSystemTools::GetLineFromStream(responseFile, line);
+        std::vector<std::string> args2;
+#ifdef _WIN32
+        cmSystemTools::ParseWindowsCommandLine(line.c_str(), args2);
+#else
+        cmSystemTools::ParseUnixCommandLine(line.c_str(), args2);
+#endif
+        arg_full.insert(arg_full.end(), args2.begin(), args2.end());
+      }
+    } else {
+      arg_full.push_back(arg);
+    }
+  }
+  return arg_full;
+}
+
 std::vector<std::string> cmSystemTools::ParseArguments(const char* command)
 {
   std::vector<std::string> args;
@@ -1707,7 +1740,8 @@ int cmSystemTools::WaitForLine(cmsysProcess* process, std::string& line,
     for (; outiter != out.end(); ++outiter) {
       if ((*outiter == '\r') && ((outiter + 1) == out.end())) {
         break;
-      } else if (*outiter == '\n' || *outiter == '\0') {
+      }
+      if (*outiter == '\n' || *outiter == '\0') {
         std::vector<char>::size_type length = outiter - out.begin();
         if (length > 1 && *(outiter - 1) == '\r') {
           --length;
@@ -1724,7 +1758,8 @@ int cmSystemTools::WaitForLine(cmsysProcess* process, std::string& line,
     for (; erriter != err.end(); ++erriter) {
       if ((*erriter == '\r') && ((erriter + 1) == err.end())) {
         break;
-      } else if (*erriter == '\n' || *erriter == '\0') {
+      }
+      if (*erriter == '\n' || *erriter == '\0') {
         std::vector<char>::size_type length = erriter - err.begin();
         if (length > 1 && *(erriter - 1) == '\r') {
           --length;
@@ -2623,29 +2658,28 @@ bool cmSystemTools::RemoveRPath(std::string const& file, std::string* emsg,
         it = dentries.erase(it);
         entriesErased++;
         continue;
-      } else {
-        if (cmELF::TagMipsRldMapRel != 0 &&
-            it->first == cmELF::TagMipsRldMapRel) {
-          // Background: debuggers need to know the "linker map" which contains
-          // the addresses each dynamic object is loaded at. Most arches use
-          // the DT_DEBUG tag which the dynamic linker writes to (directly) and
-          // contain the location of the linker map, however on MIPS the
-          // .dynamic section is always read-only so this is not possible. MIPS
-          // objects instead contain a DT_MIPS_RLD_MAP tag which contains the
-          // address where the dyanmic linker will write to (an indirect
-          // version of DT_DEBUG). Since this doesn't work when using PIE, a
-          // relative equivalent was created - DT_MIPS_RLD_MAP_REL. Since this
-          // version contains a relative offset, moving it changes the
-          // calculated address. This may cause the dyanmic linker to write
-          // into memory it should not be changing.
-          //
-          // To fix this, we adjust the value of DT_MIPS_RLD_MAP_REL here. If
-          // we move it up by n bytes, we add n bytes to the value of this tag.
-          it->second += entriesErased * sizeof_dentry;
-        }
-
-        it++;
       }
+      if (cmELF::TagMipsRldMapRel != 0 &&
+          it->first == cmELF::TagMipsRldMapRel) {
+        // Background: debuggers need to know the "linker map" which contains
+        // the addresses each dynamic object is loaded at. Most arches use
+        // the DT_DEBUG tag which the dynamic linker writes to (directly) and
+        // contain the location of the linker map, however on MIPS the
+        // .dynamic section is always read-only so this is not possible. MIPS
+        // objects instead contain a DT_MIPS_RLD_MAP tag which contains the
+        // address where the dyanmic linker will write to (an indirect
+        // version of DT_DEBUG). Since this doesn't work when using PIE, a
+        // relative equivalent was created - DT_MIPS_RLD_MAP_REL. Since this
+        // version contains a relative offset, moving it changes the
+        // calculated address. This may cause the dyanmic linker to write
+        // into memory it should not be changing.
+        //
+        // To fix this, we adjust the value of DT_MIPS_RLD_MAP_REL here. If
+        // we move it up by n bytes, we add n bytes to the value of this tag.
+        it->second += entriesErased * sizeof_dentry;
+      }
+
+      it++;
     }
 
     // Encode new entries list