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https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=d36629661197b4255da2a1864ce7ec016b415d24
commit d36629661197b4255da2a1864ce7ec016b415d24
Merge: c30f9b1 f201c92
Author:     Brad King <brad.k...@kitware.com>
AuthorDate: Wed Jan 30 13:12:21 2019 +0000
Commit:     Kitware Robot <kwro...@kitware.com>
CommitDate: Wed Jan 30 08:12:27 2019 -0500

    Merge topic 'vendor-docs'
    
    f201c9257d DOCS: put Flang in alphabetical order
    
    Acked-by: Kitware Robot <kwro...@kitware.com>
    Merge-request: !2879


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=c30f9b1cdefc2fa26d89bc692001a4f1050f6038
commit c30f9b1cdefc2fa26d89bc692001a4f1050f6038
Merge: bcec7d0 8c92db8
Author:     Brad King <brad.k...@kitware.com>
AuthorDate: Wed Jan 30 13:10:19 2019 +0000
Commit:     Kitware Robot <kwro...@kitware.com>
CommitDate: Wed Jan 30 08:10:27 2019 -0500

    Merge topic 'functional-callbacks'
    
    8c92db829b MessageCallback: Remove unused bool& argument
    bcee24aecc Use `std::function` for callbacks
    
    Acked-by: Kitware Robot <kwro...@kitware.com>
    Acked-by: vvs31415 <vstakhov...@fastmail.com>
    Acked-by: Daniel Pfeifer <dan...@pfeifer-mail.de>
    Merge-request: !2872


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=bcec7d0778eb87ea58d720d9e20710dc2cdfdab6
commit bcec7d0778eb87ea58d720d9e20710dc2cdfdab6
Merge: 8ec1490 c31b6e6
Author:     Brad King <brad.k...@kitware.com>
AuthorDate: Wed Jan 30 13:08:53 2019 +0000
Commit:     Kitware Robot <kwro...@kitware.com>
CommitDate: Wed Jan 30 08:08:59 2019 -0500

    Merge topic 'copyfile-stdstring'
    
    c31b6e616d cmSystemTools: copy file member functions accept std::string 
params
    
    Acked-by: Kitware Robot <kwro...@kitware.com>
    Merge-request: !2877


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=8ec149003e756d4a40f86b9025acb15f7ff82136
commit 8ec149003e756d4a40f86b9025acb15f7ff82136
Merge: 340e8a9 95ef818
Author:     Brad King <brad.k...@kitware.com>
AuthorDate: Wed Jan 30 13:07:14 2019 +0000
Commit:     Kitware Robot <kwro...@kitware.com>
CommitDate: Wed Jan 30 08:07:22 2019 -0500

    Merge topic 'UseJava-if-cleanup'
    
    95ef818c7d UseJava: clean-up if() expressions
    
    Acked-by: Kitware Robot <kwro...@kitware.com>
    Merge-request: !2871


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=340e8a9c3db63cfe62382adc746e192d792fc9c6
commit 340e8a9c3db63cfe62382adc746e192d792fc9c6
Merge: d21769d a57fcfa
Author:     Brad King <brad.k...@kitware.com>
AuthorDate: Wed Jan 30 08:05:10 2019 -0500
Commit:     Brad King <brad.k...@kitware.com>
CommitDate: Wed Jan 30 08:05:10 2019 -0500

    Merge branch 'release-3.13'


https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=f201c9257d4516fc4ff3f1e0fee0515b43a111dd
commit f201c9257d4516fc4ff3f1e0fee0515b43a111dd
Author:     Michael Hirsch, Ph.D <scivis...@users.noreply.github.com>
AuthorDate: Tue Jan 29 13:30:55 2019 -0500
Commit:     Michael Hirsch, Ph.D <scivis...@users.noreply.github.com>
CommitDate: Tue Jan 29 13:30:55 2019 -0500

    DOCS: put Flang in alphabetical order

diff --git a/Help/variable/CMAKE_LANG_COMPILER_ID.rst 
b/Help/variable/CMAKE_LANG_COMPILER_ID.rst
index 033e81c..5323880 100644
--- a/Help/variable/CMAKE_LANG_COMPILER_ID.rst
+++ b/Help/variable/CMAKE_LANG_COMPILER_ID.rst
@@ -17,6 +17,7 @@ include:
   Clang = LLVM Clang (clang.llvm.org)
   Cray = Cray Compiler (cray.com)
   Embarcadero, Borland = Embarcadero (embarcadero.com)
+  Flang = Flang LLVM Fortran Compiler
   G95 = G95 Fortran (g95.org)
   GNU = GNU Compiler Collection (gcc.gnu.org)
   GHS = Green Hills Software (www.ghs.com)
@@ -28,7 +29,6 @@ include:
   NVIDIA = NVIDIA CUDA Compiler (nvidia.com)
   OpenWatcom = Open Watcom (openwatcom.org)
   PGI = The Portland Group (pgroup.com)
-  Flang = Flang Fortran Compiler
   PathScale = PathScale (pathscale.com)
   SDCC = Small Device C Compiler (sdcc.sourceforge.net)
   SunPro = Oracle Solaris Studio (oracle.com)

https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=8c92db829b41243790c7dcc5300227f591a727a8
commit 8c92db829b41243790c7dcc5300227f591a727a8
Author:     Regina Pfeifer <reg...@mailbox.org>
AuthorDate: Tue Jan 29 15:57:24 2019 +0100
Commit:     Regina Pfeifer <reg...@mailbox.org>
CommitDate: Tue Jan 29 16:35:53 2019 +0100

    MessageCallback: Remove unused bool& argument

diff --git a/Source/CTest/cmCTestBuildAndTestHandler.cxx 
b/Source/CTest/cmCTestBuildAndTestHandler.cxx
index d6f0d18..38aa1b3 100644
--- a/Source/CTest/cmCTestBuildAndTestHandler.cxx
+++ b/Source/CTest/cmCTestBuildAndTestHandler.cxx
@@ -118,7 +118,7 @@ public:
     : CM(cm)
   {
     cmSystemTools::SetMessageCallback(
-      [&s](const char* msg, const char* /*unused*/, bool& /*unused*/) {
+      [&s](const char* msg, const char* /*unused*/) {
         s += msg;
         s += "\n";
       });
diff --git a/Source/CursesDialog/ccmake.cxx b/Source/CursesDialog/ccmake.cxx
index 82295b7..f2982a6 100644
--- a/Source/CursesDialog/ccmake.cxx
+++ b/Source/CursesDialog/ccmake.cxx
@@ -150,7 +150,7 @@ int main(int argc, char const* const* argv)
   }
 
   cmSystemTools::SetMessageCallback(
-    [myform](const char* message, const char* title, bool& /*unused*/) {
+    [myform](const char* message, const char* title) {
       myform->AddError(message, title);
     });
 
diff --git a/Source/QtDialog/QCMake.cxx b/Source/QtDialog/QCMake.cxx
index 8c71cc0..065d610 100644
--- a/Source/QtDialog/QCMake.cxx
+++ b/Source/QtDialog/QCMake.cxx
@@ -25,8 +25,8 @@ QCMake::QCMake(QObject* p)
   cmSystemTools::SetRunCommandHideConsole(true);
 
   cmSystemTools::SetMessageCallback(
-    [this](const char* msg, const char* title, bool& cancel) {
-      this->messageCallback(msg, title, cancel);
+    [this](const char* msg, const char* title) {
+      this->messageCallback(msg, title);
     });
   cmSystemTools::SetStdoutCallback(
     [this](const char* msg, size_t len) { this->stdoutCallback(msg, len); });
@@ -359,8 +359,7 @@ void QCMake::progressCallback(const char* msg, float 
percent)
   QCoreApplication::processEvents();
 }
 
-void QCMake::messageCallback(const char* msg, const char* /*title*/,
-                             bool& /*stop*/)
+void QCMake::messageCallback(const char* msg, const char* /*title*/)
 {
   emit this->errorMessage(QString::fromLocal8Bit(msg));
   QCoreApplication::processEvents();
diff --git a/Source/QtDialog/QCMake.h b/Source/QtDialog/QCMake.h
index ad85630..4f22505 100644
--- a/Source/QtDialog/QCMake.h
+++ b/Source/QtDialog/QCMake.h
@@ -169,7 +169,7 @@ protected:
 
   bool interruptCallback();
   void progressCallback(const char* msg, float percent);
-  void messageCallback(const char* msg, const char* title, bool&);
+  void messageCallback(const char* msg, const char* title);
   void stdoutCallback(const char* msg, size_t len);
   void stderrCallback(const char* msg, size_t len);
 
diff --git a/Source/cmServer.cxx b/Source/cmServer.cxx
index 44826fa..e740c05 100644
--- a/Source/cmServer.cxx
+++ b/Source/cmServer.cxx
@@ -97,8 +97,8 @@ void cmServer::ProcessRequest(cmConnection* connection,
   }
 
   cmSystemTools::SetMessageCallback(
-    [&request](const char* msg, const char* title, bool& cancel) {
-      reportMessage(msg, title, cancel, request);
+    [&request](const char* msg, const char* title) {
+      reportMessage(msg, title, request);
     });
 
   if (this->Protocol) {
@@ -166,7 +166,7 @@ void cmServer::reportProgress(const char* msg, float 
progress,
 }
 
 void cmServer::reportMessage(const char* msg, const char* title,
-                             bool& /*cancel*/, const cmServerRequest& request)
+                             const cmServerRequest& request)
 {
   assert(msg);
   std::string titleString;
diff --git a/Source/cmServer.h b/Source/cmServer.h
index 10588a0..bedf97f 100644
--- a/Source/cmServer.h
+++ b/Source/cmServer.h
@@ -120,7 +120,7 @@ public:
 private:
   static void reportProgress(const char* msg, float progress,
                              const cmServerRequest& request);
-  static void reportMessage(const char* msg, const char* title, bool& cancel,
+  static void reportMessage(const char* msg, const char* title,
                             const cmServerRequest& request);
 
   // Handle requests:
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index f660b39..7f00ba6 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -329,7 +329,7 @@ void cmSystemTools::Message(const char* m1, const char* 
title)
     return;
   }
   if (s_MessageCallback) {
-    s_MessageCallback(m1, title, s_DisableMessages);
+    s_MessageCallback(m1, title);
     return;
   }
   std::cerr << m1 << std::endl << std::flush;
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index 754929d..bada4e3 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -56,12 +56,11 @@ public:
    */
   static std::string TrimWhitespace(const std::string& s);
 
-  using MessageCallback = std::function<void(const char*, const char*, bool&)>;
+  using MessageCallback = std::function<void(const char*, const char*)>;
   /**
    *  Set the function used by GUIs to display error messages
    *  Function gets passed: message as a const char*,
-   *  title as a const char*, and a reference to bool that when
-   *  set to false, will disable further messages (cancel).
+   *  title as a const char*.
    */
   static void SetMessageCallback(MessageCallback f);
 
diff --git a/Source/cmakemain.cxx b/Source/cmakemain.cxx
index f1a223b..890b74e 100644
--- a/Source/cmakemain.cxx
+++ b/Source/cmakemain.cxx
@@ -143,7 +143,7 @@ static std::string cmakemainGetStack(cmake* cm)
 }
 
 static void cmakemainMessageCallback(const char* m, const char* /*unused*/,
-                                     bool& /*unused*/, cmake* cm)
+                                     cmake* cm)
 {
   std::cerr << m << cmakemainGetStack(cm) << std::endl << std::flush;
 }
@@ -319,10 +319,9 @@ int do_cmake(int ac, char const* const* av)
   cmake cm(role, mode);
   cm.SetHomeDirectory("");
   cm.SetHomeOutputDirectory("");
-  cmSystemTools::SetMessageCallback(
-    [&cm](const char* msg, const char* title, bool& cancel) {
-      cmakemainMessageCallback(msg, title, cancel, &cm);
-    });
+  cmSystemTools::SetMessageCallback([&cm](const char* msg, const char* title) {
+    cmakemainMessageCallback(msg, title, &cm);
+  });
   cm.SetProgressCallback([&cm](const char* msg, float prog) {
     cmakemainProgressCallback(msg, prog, &cm);
   });
@@ -500,10 +499,9 @@ static int do_build(int ac, char const* const* av)
   }
 
   cmake cm(cmake::RoleInternal, cmState::Unknown);
-  cmSystemTools::SetMessageCallback(
-    [&cm](const char* msg, const char* title, bool& cancel) {
-      cmakemainMessageCallback(msg, title, cancel, &cm);
-    });
+  cmSystemTools::SetMessageCallback([&cm](const char* msg, const char* title) {
+    cmakemainMessageCallback(msg, title, &cm);
+  });
   cm.SetProgressCallback([&cm](const char* msg, float prog) {
     cmakemainProgressCallback(msg, prog, &cm);
   });
@@ -543,10 +541,9 @@ static int do_open(int ac, char const* const* av)
   }
 
   cmake cm(cmake::RoleInternal, cmState::Unknown);
-  cmSystemTools::SetMessageCallback(
-    [&cm](const char* msg, const char* title, bool& cancel) {
-      cmakemainMessageCallback(msg, title, cancel, &cm);
-    });
+  cmSystemTools::SetMessageCallback([&cm](const char* msg, const char* title) {
+    cmakemainMessageCallback(msg, title, &cm);
+  });
   cm.SetProgressCallback([&cm](const char* msg, float prog) {
     cmakemainProgressCallback(msg, prog, &cm);
   });

https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=c31b6e616d5c2d697696540ca2e8faf14160d2b0
commit c31b6e616d5c2d697696540ca2e8faf14160d2b0
Author:     Vitaly Stakhovsky <vvs31...@gitlab.org>
AuthorDate: Tue Jan 29 10:34:18 2019 -0500
Commit:     Vitaly Stakhovsky <vvs31...@gitlab.org>
CommitDate: Tue Jan 29 10:34:18 2019 -0500

    cmSystemTools: copy file member functions accept std::string params
    
    Cleaned up `c_str()`s.
    `cmSystemTools::CopyFileIfDifferent()` removed as redundant.

diff --git a/Source/CPack/IFW/cmCPackIFWInstaller.cxx 
b/Source/CPack/IFW/cmCPackIFWInstaller.cxx
index 8f492af..f12a452 100644
--- a/Source/CPack/IFW/cmCPackIFWInstaller.cxx
+++ b/Source/CPack/IFW/cmCPackIFWInstaller.cxx
@@ -288,8 +288,7 @@ protected:
       content = cmSystemTools::TrimWhitespace(content);
       std::string source = this->basePath + "/" + content;
       std::string destination = this->path + "/" + content;
-      if (!cmSystemTools::CopyFileIfDifferent(source.data(),
-                                              destination.data())) {
+      if (!cmSystemTools::CopyFileIfDifferent(source, destination)) {
         this->hasErrors = true;
       }
     }
diff --git a/Source/CPack/cmCPackDragNDropGenerator.cxx 
b/Source/CPack/cmCPackDragNDropGenerator.cxx
index be4a18e..c55b148 100644
--- a/Source/CPack/cmCPackDragNDropGenerator.cxx
+++ b/Source/CPack/cmCPackDragNDropGenerator.cxx
@@ -212,8 +212,7 @@ int cmCPackDragNDropGenerator::PackageFiles()
 bool cmCPackDragNDropGenerator::CopyFile(std::ostringstream& source,
                                          std::ostringstream& target)
 {
-  if (!cmSystemTools::CopyFileIfDifferent(source.str().c_str(),
-                                          target.str().c_str())) {
+  if (!cmSystemTools::CopyFileIfDifferent(source.str(), target.str())) {
     cmCPackLogger(cmCPackLog::LOG_ERROR,
                   "Error copying " << source.str() << " to " << target.str()
                                    << std::endl);
diff --git a/Source/CPack/cmCPackGenerator.cxx 
b/Source/CPack/cmCPackGenerator.cxx
index 4728f69..90d38fc 100644
--- a/Source/CPack/cmCPackGenerator.cxx
+++ b/Source/CPack/cmCPackGenerator.cxx
@@ -392,8 +392,7 @@ int cmCPackGenerator::InstallProjectViaInstalledDirectories(
                                       std::move(inFileRelative));
         }
         /* If it is not a symlink then do a plain copy */
-        else if (!(cmSystemTools::CopyFileIfDifferent(inFile.c_str(),
-                                                      filePath.c_str()) &&
+        else if (!(cmSystemTools::CopyFileIfDifferent(inFile, filePath) &&
                    cmSystemTools::CopyFileTime(inFile.c_str(),
                                                filePath.c_str()))) {
           cmCPackLogger(cmCPackLog::LOG_ERROR,
@@ -1077,8 +1076,7 @@ int cmCPackGenerator::DoPackage()
                     << (tempPackageFileName ? tempPackageFileName : "(NULL)")
                     << " to " << (packageFileName ? packageFileName : "(NULL)")
                     << std::endl);
-    if (!cmSystemTools::CopyFileIfDifferent(tempPackageFileName,
-                                            packageFileName)) {
+    if (!cmSystemTools::CopyFileIfDifferent(pkgFileName, tmpPF)) {
       cmCPackLogger(
         cmCPackLog::LOG_ERROR,
         "Problem copying the package: "
diff --git a/Source/cmFileCommand.cxx b/Source/cmFileCommand.cxx
index afb0b2a..76c5b9a 100644
--- a/Source/cmFileCommand.cxx
+++ b/Source/cmFileCommand.cxx
@@ -3759,8 +3759,7 @@ bool cmFileCommand::HandleCreateLinkCommand(
 
   // Check if copy-on-error is enabled in the arguments.
   if (!completed && copyOnErrorArg.IsEnabled()) {
-    completed =
-      cmSystemTools::cmCopyFile(fileName.c_str(), newFileName.c_str());
+    completed = cmSystemTools::cmCopyFile(fileName, newFileName);
     if (!completed) {
       result = "Copy failed: " + cmSystemTools::GetLastSystemError();
     }
diff --git a/Source/cmGlobalVisualStudioGenerator.cxx 
b/Source/cmGlobalVisualStudioGenerator.cxx
index e3dd2f9..77be592 100644
--- a/Source/cmGlobalVisualStudioGenerator.cxx
+++ b/Source/cmGlobalVisualStudioGenerator.cxx
@@ -262,9 +262,8 @@ void 
cmGlobalVisualStudioGenerator::ConfigureCMakeVisualStudioMacros()
     // purposes but newer versions distributed with CMake will replace
     // older versions in user directories.
     int res;
-    if (!cmSystemTools::FileTimeCompare(src.c_str(), dst.c_str(), &res) ||
-        res > 0) {
-      if (!cmSystemTools::CopyFileAlways(src.c_str(), dst.c_str())) {
+    if (!cmSystemTools::FileTimeCompare(src, dst, &res) || res > 0) {
+      if (!cmSystemTools::CopyFileAlways(src, dst)) {
         std::ostringstream oss;
         oss << "Could not copy from: " << src << std::endl;
         oss << "                 to: " << dst << std::endl;
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index 9bd3b01..6b58f86 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -3750,8 +3750,7 @@ int cmMakefile::ConfigureFile(const char* infile, const 
char* outfile,
   }
 
   if (copyonly) {
-    if (!cmSystemTools::CopyFileIfDifferent(sinfile.c_str(),
-                                            soutfile.c_str())) {
+    if (!cmSystemTools::CopyFileIfDifferent(sinfile, soutfile)) {
       return 0;
     }
   } else {
@@ -3802,8 +3801,7 @@ int cmMakefile::ConfigureFile(const char* infile, const 
char* outfile,
     // close the files before attempting to copy
     fin.close();
     fout.close();
-    if (!cmSystemTools::CopyFileIfDifferent(tempOutputFile.c_str(),
-                                            soutfile.c_str())) {
+    if (!cmSystemTools::CopyFileIfDifferent(tempOutputFile, soutfile)) {
       res = 0;
     } else {
       cmSystemTools::SetPermissions(soutfile, perm);
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index f7de3aa..9c4afec 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -940,17 +940,12 @@ std::string 
cmSystemTools::FileExistsInParentDirectories(const char* fname,
   return "";
 }
 
-bool cmSystemTools::cmCopyFile(const char* source, const char* destination)
+bool cmSystemTools::cmCopyFile(const std::string& source,
+                               const std::string& destination)
 {
   return Superclass::CopyFileAlways(source, destination);
 }
 
-bool cmSystemTools::CopyFileIfDifferent(const char* source,
-                                        const char* destination)
-{
-  return Superclass::CopyFileIfDifferent(source, destination);
-}
-
 #ifdef _WIN32
 cmSystemTools::WindowsFileRetry cmSystemTools::GetWindowsFileRetry()
 {
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index b1d5751..98ada60 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -179,8 +179,8 @@ public:
                          std::vector<std::string>& files, int type = 0);
 
   ///! Copy a file.
-  static bool cmCopyFile(const char* source, const char* destination);
-  static bool CopyFileIfDifferent(const char* source, const char* destination);
+  static bool cmCopyFile(const std::string& source,
+                         const std::string& destination);
 
   /** Rename a file or directory within a single disk volume (atomic
       if possible).  */
diff --git a/Source/cmUseMangledMesaCommand.cxx 
b/Source/cmUseMangledMesaCommand.cxx
index 01ef5cb..9648b21 100644
--- a/Source/cmUseMangledMesaCommand.cxx
+++ b/Source/cmUseMangledMesaCommand.cxx
@@ -100,6 +100,6 @@ void 
cmUseMangledMesaCommand::CopyAndFullPathMesaHeader(const char* source,
   // close the files before attempting to copy
   fin.close();
   fout.close();
-  cmSystemTools::CopyFileIfDifferent(tempOutputFile.c_str(), outFile.c_str());
+  cmSystemTools::CopyFileIfDifferent(tempOutputFile, outFile);
   cmSystemTools::RemoveFile(tempOutputFile);
 }
diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 70316f1..b03ffdb 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -2358,7 +2358,7 @@ int cmake::GetSystemInformation(std::vector<std::string>& 
args)
   outFile += "/CMakeLists.txt";
 
   // Copy file
-  if (!cmSystemTools::cmCopyFile(inFile.c_str(), outFile.c_str())) {
+  if (!cmSystemTools::cmCopyFile(inFile, outFile)) {
     std::cerr << "Error copying file \"" << inFile << "\" to \"" << outFile
               << "\".\n";
     return 1;
diff --git a/Source/cmcmd.cxx b/Source/cmcmd.cxx
index 2a3aedd..d20c5d2 100644
--- a/Source/cmcmd.cxx
+++ b/Source/cmcmd.cxx
@@ -482,8 +482,7 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string>& 
args)
       // If error occurs we want to continue copying next files.
       bool return_value = false;
       for (std::string::size_type cc = 2; cc < args.size() - 1; cc++) {
-        if (!cmSystemTools::cmCopyFile(args[cc].c_str(),
-                                       args.back().c_str())) {
+        if (!cmSystemTools::cmCopyFile(args[cc], args.back())) {
           std::cerr << "Error copying file \"" << args[cc] << "\" to \""
                     << args.back() << "\".\n";
           return_value = true;
@@ -505,8 +504,7 @@ int cmcmd::ExecuteCMakeCommand(std::vector<std::string>& 
args)
       // If error occurs we want to continue copying next files.
       bool return_value = false;
       for (std::string::size_type cc = 2; cc < args.size() - 1; cc++) {
-        if (!cmSystemTools::CopyFileIfDifferent(args[cc].c_str(),
-                                                args.back().c_str())) {
+        if (!cmSystemTools::CopyFileIfDifferent(args[cc], args.back())) {
           std::cerr << "Error copying file (if different) from \"" << args[cc]
                     << "\" to \"" << args.back() << "\".\n";
           return_value = true;
@@ -1304,7 +1302,7 @@ bool cmcmd::SymlinkInternal(std::string const& file, 
std::string const& link)
     cmSystemTools::RemoveFile(link);
   }
 #if defined(_WIN32) && !defined(__CYGWIN__)
-  return cmSystemTools::CopyFileAlways(file.c_str(), link.c_str());
+  return cmSystemTools::CopyFileAlways(file, link);
 #else
   std::string linktext = cmSystemTools::GetFilenameName(file);
   return cmSystemTools::CreateSymlink(linktext, link);

https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=bcee24aecc1eaf6615eac9f24ae06acdf38845d3
commit bcee24aecc1eaf6615eac9f24ae06acdf38845d3
Author:     Regina Pfeifer <reg...@mailbox.org>
AuthorDate: Fri Jan 25 21:31:33 2019 +0100
Commit:     Regina Pfeifer <reg...@mailbox.org>
CommitDate: Tue Jan 29 16:32:52 2019 +0100

    Use `std::function` for callbacks

diff --git a/Source/CPack/cmCPackGenerator.cxx 
b/Source/CPack/cmCPackGenerator.cxx
index 4728f69..3309e1b 100644
--- a/Source/CPack/cmCPackGenerator.cxx
+++ b/Source/CPack/cmCPackGenerator.cxx
@@ -43,12 +43,6 @@ cmCPackGenerator::~cmCPackGenerator()
   this->MakefileMap = nullptr;
 }
 
-void cmCPackGeneratorProgress(const char* msg, float prog, void* ptr)
-{
-  cmCPackGenerator* self = static_cast<cmCPackGenerator*>(ptr);
-  self->DisplayVerboseOutput(msg, prog);
-}
-
 void cmCPackGenerator::DisplayVerboseOutput(const char* msg, float progress)
 {
   (void)progress;
@@ -696,7 +690,9 @@ int cmCPackGenerator::InstallCMakeProject(
   cm.SetHomeOutputDirectory("");
   cm.GetCurrentSnapshot().SetDefaultDefinitions();
   cm.AddCMakePaths();
-  cm.SetProgressCallback(cmCPackGeneratorProgress, this);
+  cm.SetProgressCallback([this](const char* msg, float prog) {
+    this->DisplayVerboseOutput(msg, prog);
+  });
   cm.SetTrace(this->Trace);
   cm.SetTraceExpand(this->TraceExpand);
   cmGlobalGenerator gg(&cm);
diff --git a/Source/CPack/cpack.cxx b/Source/CPack/cpack.cxx
index d4c867b..0413422 100644
--- a/Source/CPack/cpack.cxx
+++ b/Source/CPack/cpack.cxx
@@ -90,12 +90,8 @@ int cpackDefinitionArgument(const char* argument, const 
char* cValue,
   return 1;
 }
 
-static void cpackProgressCallback(const char* message, float progress,
-                                  void* clientdata)
+static void cpackProgressCallback(const char* message, float /*unused*/)
 {
-  (void)progress;
-  (void)clientdata;
-
   std::cout << "-- " << message << std::endl;
 }
 
@@ -212,7 +208,7 @@ int main(int argc, char const* const* argv)
   cmake cminst(cmake::RoleScript, cmState::CPack);
   cminst.SetHomeDirectory("");
   cminst.SetHomeOutputDirectory("");
-  cminst.SetProgressCallback(cpackProgressCallback, nullptr);
+  cminst.SetProgressCallback(cpackProgressCallback);
   cminst.GetCurrentSnapshot().SetDefaultDefinitions();
   cmGlobalGenerator cmgg(&cminst);
   cmMakefile globalMF(&cmgg, cminst.GetCurrentSnapshot());
diff --git a/Source/CTest/cmCTestBuildAndTestHandler.cxx 
b/Source/CTest/cmCTestBuildAndTestHandler.cxx
index 312d126..d6f0d18 100644
--- a/Source/CTest/cmCTestBuildAndTestHandler.cxx
+++ b/Source/CTest/cmCTestBuildAndTestHandler.cxx
@@ -109,27 +109,6 @@ int cmCTestBuildAndTestHandler::RunCMake(std::string* 
outstring,
   return 0;
 }
 
-void CMakeMessageCallback(const char* m, const char* /*unused*/,
-                          bool& /*unused*/, void* s)
-{
-  std::string* out = static_cast<std::string*>(s);
-  *out += m;
-  *out += "\n";
-}
-
-void CMakeProgressCallback(const char* msg, float /*unused*/, void* s)
-{
-  std::string* out = static_cast<std::string*>(s);
-  *out += msg;
-  *out += "\n";
-}
-
-void CMakeOutputCallback(const char* m, size_t len, void* s)
-{
-  std::string* out = static_cast<std::string*>(s);
-  out->append(m, len);
-}
-
 class cmCTestBuildAndTestCaptureRAII
 {
   cmake& CM;
@@ -138,17 +117,30 @@ public:
   cmCTestBuildAndTestCaptureRAII(cmake& cm, std::string& s)
     : CM(cm)
   {
-    cmSystemTools::SetMessageCallback(CMakeMessageCallback, &s);
-    cmSystemTools::SetStdoutCallback(CMakeOutputCallback, &s);
-    cmSystemTools::SetStderrCallback(CMakeOutputCallback, &s);
-    this->CM.SetProgressCallback(CMakeProgressCallback, &s);
+    cmSystemTools::SetMessageCallback(
+      [&s](const char* msg, const char* /*unused*/, bool& /*unused*/) {
+        s += msg;
+        s += "\n";
+      });
+
+    cmSystemTools::SetStdoutCallback(
+      [&s](const char* m, size_t len) { s.append(m, len); });
+
+    cmSystemTools::SetStderrCallback(
+      [&s](const char* m, size_t len) { s.append(m, len); });
+
+    this->CM.SetProgressCallback([&s](const char* msg, float /*unused*/) {
+      s += msg;
+      s += "\n";
+    });
   }
+
   ~cmCTestBuildAndTestCaptureRAII()
   {
-    this->CM.SetProgressCallback(nullptr, nullptr);
-    cmSystemTools::SetStderrCallback(nullptr, nullptr);
-    cmSystemTools::SetStdoutCallback(nullptr, nullptr);
-    cmSystemTools::SetMessageCallback(nullptr, nullptr);
+    this->CM.SetProgressCallback(nullptr);
+    cmSystemTools::SetStderrCallback(nullptr);
+    cmSystemTools::SetStdoutCallback(nullptr);
+    cmSystemTools::SetMessageCallback(nullptr);
   }
 };
 
diff --git a/Source/CTest/cmCTestScriptHandler.cxx 
b/Source/CTest/cmCTestScriptHandler.cxx
index b949023..efc335a 100644
--- a/Source/CTest/cmCTestScriptHandler.cxx
+++ b/Source/CTest/cmCTestScriptHandler.cxx
@@ -265,15 +265,6 @@ int cmCTestScriptHandler::ExecuteScript(const std::string& 
total_script_arg)
   return retVal;
 }
 
-static void ctestScriptProgressCallback(const char* m, float /*unused*/,
-                                        void* cd)
-{
-  cmCTest* ctest = static_cast<cmCTest*>(cd);
-  if (m && *m) {
-    cmCTestLog(ctest, HANDLER_OUTPUT, "-- " << m << std::endl);
-  }
-}
-
 void cmCTestScriptHandler::CreateCMake()
 {
   // create a cmake instance to read the configuration script
@@ -299,7 +290,11 @@ void cmCTestScriptHandler::CreateCMake()
       this->ParentMakefile->GetRecursionDepth());
   }
 
-  this->CMake->SetProgressCallback(ctestScriptProgressCallback, this->CTest);
+  this->CMake->SetProgressCallback([this](const char* m, float /*unused*/) {
+    if (m && *m) {
+      cmCTestLog(this->CTest, HANDLER_OUTPUT, "-- " << m << std::endl);
+    }
+  });
 
   this->AddCTestCommand("ctest_build", new cmCTestBuildCommand);
   this->AddCTestCommand("ctest_configure", new cmCTestConfigureCommand);
diff --git a/Source/CursesDialog/ccmake.cxx b/Source/CursesDialog/ccmake.cxx
index dbf4a28..82295b7 100644
--- a/Source/CursesDialog/ccmake.cxx
+++ b/Source/CursesDialog/ccmake.cxx
@@ -65,13 +65,6 @@ void onsig(int /*unused*/)
 }
 }
 
-void CMakeMessageHandler(const char* message, const char* title,
-                         bool& /*unused*/, void* clientData)
-{
-  cmCursesForm* self = static_cast<cmCursesForm*>(clientData);
-  self->AddError(message, title);
-}
-
 int main(int argc, char const* const* argv)
 {
   cmsys::Encoding::CommandLineArguments encoding_args =
@@ -156,7 +149,10 @@ int main(int argc, char const* const* argv)
     return 1;
   }
 
-  cmSystemTools::SetMessageCallback(CMakeMessageHandler, myform);
+  cmSystemTools::SetMessageCallback(
+    [myform](const char* message, const char* title, bool& /*unused*/) {
+      myform->AddError(message, title);
+    });
 
   cmCursesForm::CurrentForm = myform;
 
diff --git a/Source/CursesDialog/cmCursesMainForm.cxx 
b/Source/CursesDialog/cmCursesMainForm.cxx
index 188ad69..8ca7802 100644
--- a/Source/CursesDialog/cmCursesMainForm.cxx
+++ b/Source/CursesDialog/cmCursesMainForm.cxx
@@ -506,12 +506,8 @@ void cmCursesMainForm::UpdateStatusBar(const char* message)
   pos_form_cursor(this->Form);
 }
 
-void cmCursesMainForm::UpdateProgress(const char* msg, float prog, void* vp)
+void cmCursesMainForm::UpdateProgress(const char* msg, float prog)
 {
-  cmCursesMainForm* cm = static_cast<cmCursesMainForm*>(vp);
-  if (!cm) {
-    return;
-  }
   char tmp[1024];
   const char* cmsg = tmp;
   if (prog >= 0) {
@@ -519,8 +515,8 @@ void cmCursesMainForm::UpdateProgress(const char* msg, 
float prog, void* vp)
   } else {
     cmsg = msg;
   }
-  cm->UpdateStatusBar(cmsg);
-  cm->PrintKeys(1);
+  this->UpdateStatusBar(cmsg);
+  this->PrintKeys(1);
   curses_move(1, 1);
   touchwin(stdscr);
   refresh();
@@ -536,8 +532,8 @@ int cmCursesMainForm::Configure(int noconfigure)
   this->PrintKeys(1);
   touchwin(stdscr);
   refresh();
-  this->CMakeInstance->SetProgressCallback(cmCursesMainForm::UpdateProgress,
-                                           this);
+  this->CMakeInstance->SetProgressCallback(
+    [this](const char* msg, float prog) { this->UpdateProgress(msg, prog); });
 
   // always save the current gui values to disk
   this->FillCacheManagerFromUI();
@@ -560,7 +556,7 @@ int cmCursesMainForm::Configure(int noconfigure)
   } else {
     retVal = this->CMakeInstance->Configure();
   }
-  this->CMakeInstance->SetProgressCallback(nullptr, nullptr);
+  this->CMakeInstance->SetProgressCallback(nullptr);
 
   keypad(stdscr, true); /* Use key symbols as KEY_DOWN */
 
@@ -606,8 +602,8 @@ int cmCursesMainForm::Generate()
   this->PrintKeys(1);
   touchwin(stdscr);
   refresh();
-  this->CMakeInstance->SetProgressCallback(cmCursesMainForm::UpdateProgress,
-                                           this);
+  this->CMakeInstance->SetProgressCallback(
+    [this](const char* msg, float prog) { this->UpdateProgress(msg, prog); });
 
   // Get rid of previous errors
   this->Errors = std::vector<std::string>();
@@ -615,7 +611,7 @@ int cmCursesMainForm::Generate()
   // run the generate process
   int retVal = this->CMakeInstance->Generate();
 
-  this->CMakeInstance->SetProgressCallback(nullptr, nullptr);
+  this->CMakeInstance->SetProgressCallback(nullptr);
   keypad(stdscr, true); /* Use key symbols as KEY_DOWN */
 
   if (retVal != 0 || !this->Errors.empty()) {
diff --git a/Source/CursesDialog/cmCursesMainForm.h 
b/Source/CursesDialog/cmCursesMainForm.h
index 824025b..88864bc 100644
--- a/Source/CursesDialog/cmCursesMainForm.h
+++ b/Source/CursesDialog/cmCursesMainForm.h
@@ -101,8 +101,7 @@ public:
   /**
    * Progress callback
    */
-  static void UpdateProgressOld(const char* msg, float prog, void*);
-  static void UpdateProgress(const char* msg, float prog, void*);
+  void UpdateProgress(const char* msg, float prog);
 
 protected:
   // Copy the cache values from the user interface to the actual
diff --git a/Source/QtDialog/QCMake.cxx b/Source/QtDialog/QCMake.cxx
index 2eecce6..8c71cc0 100644
--- a/Source/QtDialog/QCMake.cxx
+++ b/Source/QtDialog/QCMake.cxx
@@ -23,16 +23,26 @@ QCMake::QCMake(QObject* p)
 
   cmSystemTools::DisableRunCommandOutput();
   cmSystemTools::SetRunCommandHideConsole(true);
-  cmSystemTools::SetMessageCallback(QCMake::messageCallback, this);
-  cmSystemTools::SetStdoutCallback(QCMake::stdoutCallback, this);
-  cmSystemTools::SetStderrCallback(QCMake::stderrCallback, this);
+
+  cmSystemTools::SetMessageCallback(
+    [this](const char* msg, const char* title, bool& cancel) {
+      this->messageCallback(msg, title, cancel);
+    });
+  cmSystemTools::SetStdoutCallback(
+    [this](const char* msg, size_t len) { this->stdoutCallback(msg, len); });
+  cmSystemTools::SetStderrCallback(
+    [this](const char* msg, size_t len) { this->stderrCallback(msg, len); });
 
   this->CMakeInstance = new cmake(cmake::RoleProject, cmState::Project);
   this->CMakeInstance->SetCMakeEditCommand(
     cmSystemTools::GetCMakeGUICommand());
-  this->CMakeInstance->SetProgressCallback(QCMake::progressCallback, this);
+  this->CMakeInstance->SetProgressCallback(
+    [this](const char* msg, float percent) {
+      this->progressCallback(msg, percent);
+    });
 
-  cmSystemTools::SetInterruptCallback(QCMake::interruptCallback, this);
+  cmSystemTools::SetInterruptCallback(
+    [this] { return this->interruptCallback(); });
 
   std::vector<cmake::GeneratorInfo> generators;
   this->CMakeInstance->GetRegisteredGenerators(
@@ -330,46 +340,41 @@ void QCMake::interrupt()
   this->InterruptFlag.ref();
 }
 
-bool QCMake::interruptCallback(void* cd)
+bool QCMake::interruptCallback()
 {
-  QCMake* self = reinterpret_cast<QCMake*>(cd);
 #if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
-  return self->InterruptFlag;
+  return this->InterruptFlag;
 #else
-  return self->InterruptFlag.load();
+  return this->InterruptFlag.load();
 #endif
 }
 
-void QCMake::progressCallback(const char* msg, float percent, void* cd)
+void QCMake::progressCallback(const char* msg, float percent)
 {
-  QCMake* self = reinterpret_cast<QCMake*>(cd);
   if (percent >= 0) {
-    emit self->progressChanged(QString::fromLocal8Bit(msg), percent);
+    emit this->progressChanged(QString::fromLocal8Bit(msg), percent);
   } else {
-    emit self->outputMessage(QString::fromLocal8Bit(msg));
+    emit this->outputMessage(QString::fromLocal8Bit(msg));
   }
   QCoreApplication::processEvents();
 }
 
 void QCMake::messageCallback(const char* msg, const char* /*title*/,
-                             bool& /*stop*/, void* cd)
+                             bool& /*stop*/)
 {
-  QCMake* self = reinterpret_cast<QCMake*>(cd);
-  emit self->errorMessage(QString::fromLocal8Bit(msg));
+  emit this->errorMessage(QString::fromLocal8Bit(msg));
   QCoreApplication::processEvents();
 }
 
-void QCMake::stdoutCallback(const char* msg, size_t len, void* cd)
+void QCMake::stdoutCallback(const char* msg, size_t len)
 {
-  QCMake* self = reinterpret_cast<QCMake*>(cd);
-  emit self->outputMessage(QString::fromLocal8Bit(msg, int(len)));
+  emit this->outputMessage(QString::fromLocal8Bit(msg, int(len)));
   QCoreApplication::processEvents();
 }
 
-void QCMake::stderrCallback(const char* msg, size_t len, void* cd)
+void QCMake::stderrCallback(const char* msg, size_t len)
 {
-  QCMake* self = reinterpret_cast<QCMake*>(cd);
-  emit self->outputMessage(QString::fromLocal8Bit(msg, int(len)));
+  emit this->outputMessage(QString::fromLocal8Bit(msg, int(len)));
   QCoreApplication::processEvents();
 }
 
diff --git a/Source/QtDialog/QCMake.h b/Source/QtDialog/QCMake.h
index c84da58..ad85630 100644
--- a/Source/QtDialog/QCMake.h
+++ b/Source/QtDialog/QCMake.h
@@ -167,12 +167,12 @@ signals:
 protected:
   cmake* CMakeInstance;
 
-  static bool interruptCallback(void*);
-  static void progressCallback(const char* msg, float percent, void* cd);
-  static void messageCallback(const char* msg, const char* title, bool&,
-                              void* cd);
-  static void stdoutCallback(const char* msg, size_t len, void* cd);
-  static void stderrCallback(const char* msg, size_t len, void* cd);
+  bool interruptCallback();
+  void progressCallback(const char* msg, float percent);
+  void messageCallback(const char* msg, const char* title, bool&);
+  void stdoutCallback(const char* msg, size_t len);
+  void stderrCallback(const char* msg, size_t len);
+
   bool WarnUninitializedMode;
   bool WarnUnusedMode;
   bool WarnUnusedAllMode;
diff --git a/Source/cmServer.cxx b/Source/cmServer.cxx
index f7d3879..44826fa 100644
--- a/Source/cmServer.cxx
+++ b/Source/cmServer.cxx
@@ -96,11 +96,16 @@ void cmServer::ProcessRequest(cmConnection* connection,
     return;
   }
 
-  cmSystemTools::SetMessageCallback(reportMessage,
-                                    const_cast<cmServerRequest*>(&request));
+  cmSystemTools::SetMessageCallback(
+    [&request](const char* msg, const char* title, bool& cancel) {
+      reportMessage(msg, title, cancel, request);
+    });
+
   if (this->Protocol) {
     this->Protocol->CMakeInstance()->SetProgressCallback(
-      reportProgress, const_cast<cmServerRequest*>(&request));
+      [&request](const char* msg, float prog) {
+        reportProgress(msg, prog, request);
+      });
     this->WriteResponse(connection, this->Protocol->Process(request),
                         debug.get());
   } else {
@@ -150,28 +155,25 @@ void cmServer::PrintHello(cmConnection* connection) const
   this->WriteJsonObject(connection, hello, nullptr);
 }
 
-void cmServer::reportProgress(const char* msg, float progress, void* data)
+void cmServer::reportProgress(const char* msg, float progress,
+                              const cmServerRequest& request)
 {
-  const cmServerRequest* request = static_cast<const cmServerRequest*>(data);
-  assert(request);
   if (progress < 0.0f || progress > 1.0f) {
-    request->ReportMessage(msg, "");
+    request.ReportMessage(msg, "");
   } else {
-    request->ReportProgress(0, static_cast<int>(progress * 1000), 1000, msg);
+    request.ReportProgress(0, static_cast<int>(progress * 1000), 1000, msg);
   }
 }
 
 void cmServer::reportMessage(const char* msg, const char* title,
-                             bool& /* cancel */, void* data)
+                             bool& /*cancel*/, const cmServerRequest& request)
 {
-  const cmServerRequest* request = static_cast<const cmServerRequest*>(data);
-  assert(request);
   assert(msg);
   std::string titleString;
   if (title) {
     titleString = title;
   }
-  request->ReportMessage(std::string(msg), titleString);
+  request.ReportMessage(std::string(msg), titleString);
 }
 
 cmServerResponse cmServer::SetProtocolVersion(const cmServerRequest& request)
diff --git a/Source/cmServer.h b/Source/cmServer.h
index ca37ce2..10588a0 100644
--- a/Source/cmServer.h
+++ b/Source/cmServer.h
@@ -118,9 +118,10 @@ public:
   void OnConnected(cmConnection* connection) override;
 
 private:
-  static void reportProgress(const char* msg, float progress, void* data);
+  static void reportProgress(const char* msg, float progress,
+                             const cmServerRequest& request);
   static void reportMessage(const char* msg, const char* title, bool& cancel,
-                            void* data);
+                            const cmServerRequest& request);
 
   // Handle requests:
   cmServerResponse SetProtocolVersion(const cmServerRequest& request);
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index f7de3aa..f660b39 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -76,6 +76,15 @@
 #  include <malloc.h> /* for malloc/free on QNX */
 #endif
 
+namespace {
+
+cmSystemTools::InterruptCallback s_InterruptCallback;
+cmSystemTools::MessageCallback s_MessageCallback;
+cmSystemTools::OutputCallback s_StderrCallback;
+cmSystemTools::OutputCallback s_StdoutCallback;
+
+} // namespace
+
 static bool cm_isspace(char c)
 {
   return ((c & 0x80) == 0) && isspace(c);
@@ -161,15 +170,6 @@ bool cmSystemTools::s_FatalErrorOccured = false;
 bool cmSystemTools::s_DisableMessages = false;
 bool cmSystemTools::s_ForceUnixPaths = false;
 
-cmSystemTools::MessageCallback cmSystemTools::s_MessageCallback;
-cmSystemTools::OutputCallback cmSystemTools::s_StdoutCallback;
-cmSystemTools::OutputCallback cmSystemTools::s_StderrCallback;
-cmSystemTools::InterruptCallback cmSystemTools::s_InterruptCallback;
-void* cmSystemTools::s_MessageCallbackClientData;
-void* cmSystemTools::s_StdoutCallbackClientData;
-void* cmSystemTools::s_StderrCallbackClientData;
-void* cmSystemTools::s_InterruptCallbackClientData;
-
 // replace replace with with as many times as it shows up in source.
 // write the result into source.
 #if defined(_WIN32) && !defined(__CYGWIN__)
@@ -277,42 +277,38 @@ void cmSystemTools::Error(const std::string& m)
   cmSystemTools::Message(message, "Error");
 }
 
-void cmSystemTools::SetInterruptCallback(InterruptCallback f, void* clientData)
+void cmSystemTools::SetInterruptCallback(InterruptCallback f)
 {
-  s_InterruptCallback = f;
-  s_InterruptCallbackClientData = clientData;
+  s_InterruptCallback = std::move(f);
 }
 
 bool cmSystemTools::GetInterruptFlag()
 {
   if (s_InterruptCallback) {
-    return (*s_InterruptCallback)(s_InterruptCallbackClientData);
+    return s_InterruptCallback();
   }
   return false;
 }
 
-void cmSystemTools::SetMessageCallback(MessageCallback f, void* clientData)
+void cmSystemTools::SetMessageCallback(MessageCallback f)
 {
-  s_MessageCallback = f;
-  s_MessageCallbackClientData = clientData;
+  s_MessageCallback = std::move(f);
 }
 
-void cmSystemTools::SetStdoutCallback(OutputCallback f, void* clientData)
+void cmSystemTools::SetStdoutCallback(OutputCallback f)
 {
-  s_StdoutCallback = f;
-  s_StdoutCallbackClientData = clientData;
+  s_StdoutCallback = std::move(f);
 }
 
-void cmSystemTools::SetStderrCallback(OutputCallback f, void* clientData)
+void cmSystemTools::SetStderrCallback(OutputCallback f)
 {
-  s_StderrCallback = f;
-  s_StderrCallbackClientData = clientData;
+  s_StderrCallback = std::move(f);
 }
 
 void cmSystemTools::Stderr(const std::string& s)
 {
   if (s_StderrCallback) {
-    (*s_StderrCallback)(s.c_str(), s.length(), s_StderrCallbackClientData);
+    s_StderrCallback(s.c_str(), s.length());
   } else {
     std::cerr << s << std::flush;
   }
@@ -321,7 +317,7 @@ void cmSystemTools::Stderr(const std::string& s)
 void cmSystemTools::Stdout(const std::string& s)
 {
   if (s_StdoutCallback) {
-    (*s_StdoutCallback)(s.c_str(), s.length(), s_StdoutCallbackClientData);
+    s_StdoutCallback(s.c_str(), s.length());
   } else {
     std::cout << s << std::flush;
   }
@@ -333,8 +329,7 @@ void cmSystemTools::Message(const char* m1, const char* 
title)
     return;
   }
   if (s_MessageCallback) {
-    (*s_MessageCallback)(m1, title, s_DisableMessages,
-                         s_MessageCallbackClientData);
+    s_MessageCallback(m1, title, s_DisableMessages);
     return;
   }
   std::cerr << m1 << std::endl << std::flush;
diff --git a/Source/cmSystemTools.h b/Source/cmSystemTools.h
index b1d5751..754929d 100644
--- a/Source/cmSystemTools.h
+++ b/Source/cmSystemTools.h
@@ -10,6 +10,7 @@
 #include "cmProcessOutput.h"
 #include "cmsys/Process.h"
 #include "cmsys/SystemTools.hxx" // IWYU pragma: export
+#include <functional>
 #include <stddef.h>
 #include <string>
 #include <vector>
@@ -55,15 +56,14 @@ public:
    */
   static std::string TrimWhitespace(const std::string& s);
 
-  typedef void (*MessageCallback)(const char*, const char*, bool&, void*);
+  using MessageCallback = std::function<void(const char*, const char*, bool&)>;
   /**
    *  Set the function used by GUIs to display error messages
    *  Function gets passed: message as a const char*,
    *  title as a const char*, and a reference to bool that when
    *  set to false, will disable further messages (cancel).
    */
-  static void SetMessageCallback(MessageCallback f,
-                                 void* clientData = nullptr);
+  static void SetMessageCallback(MessageCallback f);
 
   /**
    * Display an error message.
@@ -81,19 +81,18 @@ public:
     Message(m.c_str(), title);
   }
 
-  typedef void (*OutputCallback)(const char*, size_t length, void*);
+  using OutputCallback = std::function<void(const char*, size_t)>;
 
   ///! Send a string to stdout
   static void Stdout(const std::string& s);
-  static void SetStdoutCallback(OutputCallback, void* clientData = nullptr);
+  static void SetStdoutCallback(OutputCallback f);
 
   ///! Send a string to stderr
   static void Stderr(const std::string& s);
-  static void SetStderrCallback(OutputCallback, void* clientData = nullptr);
+  static void SetStderrCallback(OutputCallback f);
 
-  typedef bool (*InterruptCallback)(void*);
-  static void SetInterruptCallback(InterruptCallback f,
-                                   void* clientData = nullptr);
+  using InterruptCallback = std::function<bool()>;
+  static void SetInterruptCallback(InterruptCallback f);
   static bool GetInterruptFlag();
 
   ///! Return true if there was an error at any point.
@@ -548,14 +547,6 @@ private:
   static bool s_FatalErrorOccured;
   static bool s_DisableMessages;
   static bool s_DisableRunCommandOutput;
-  static MessageCallback s_MessageCallback;
-  static OutputCallback s_StdoutCallback;
-  static OutputCallback s_StderrCallback;
-  static InterruptCallback s_InterruptCallback;
-  static void* s_MessageCallbackClientData;
-  static void* s_StdoutCallbackClientData;
-  static void* s_StderrCallbackClientData;
-  static void* s_InterruptCallbackClientData;
 };
 
 #endif
diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 70316f1..787e769 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -157,8 +157,6 @@ cmake::cmake(Role role, cmState::Mode mode)
 #endif
 
   this->GlobalGenerator = nullptr;
-  this->ProgressCallback = nullptr;
-  this->ProgressCallbackClientData = nullptr;
   this->CurrentWorkingMode = NORMAL_MODE;
 
 #ifdef CMAKE_BUILD_WITH_CMAKE
@@ -1922,17 +1920,15 @@ bool cmake::DeleteCache(const std::string& path)
   return this->State->DeleteCache(path);
 }
 
-void cmake::SetProgressCallback(ProgressCallbackType f, void* cd)
+void cmake::SetProgressCallback(ProgressCallbackType f)
 {
-  this->ProgressCallback = f;
-  this->ProgressCallbackClientData = cd;
+  this->ProgressCallback = std::move(f);
 }
 
 void cmake::UpdateProgress(const char* msg, float prog)
 {
   if (this->ProgressCallback && !this->State->GetIsInTryCompile()) {
-    (*this->ProgressCallback)(msg, prog, this->ProgressCallbackClientData);
-    return;
+    this->ProgressCallback(msg, prog);
   }
 }
 
diff --git a/Source/cmake.h b/Source/cmake.h
index c60fc33..afd4117 100644
--- a/Source/cmake.h
+++ b/Source/cmake.h
@@ -5,6 +5,7 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
+#include <functional>
 #include <map>
 #include <memory> // IWYU pragma: keep
 #include <set>
@@ -271,7 +272,7 @@ public:
   ///! Parse command line arguments that might set cache values
   bool SetCacheArgs(const std::vector<std::string>&);
 
-  typedef void (*ProgressCallbackType)(const char* msg, float progress, void*);
+  using ProgressCallbackType = std::function<void(const char*, float)>;
   /**
    *  Set the function used by GUIs to receive progress updates
    *  Function gets passed: message as a const char*, a progress
@@ -279,7 +280,7 @@ public:
    *  number provided may be negative in cases where a message is
    *  to be displayed without any progress percentage.
    */
-  void SetProgressCallback(ProgressCallbackType f, void* clientData = nullptr);
+  void SetProgressCallback(ProgressCallbackType f);
 
   ///! this is called by generators to update the progress
   void UpdateProgress(const char* msg, float prog);
@@ -485,7 +486,6 @@ protected:
 
 private:
   ProgressCallbackType ProgressCallback;
-  void* ProgressCallbackClientData;
   bool InTryCompile;
   WorkingMode CurrentWorkingMode;
   bool DebugOutput;
diff --git a/Source/cmakemain.cxx b/Source/cmakemain.cxx
index 0ec2552..f1a223b 100644
--- a/Source/cmakemain.cxx
+++ b/Source/cmakemain.cxx
@@ -117,9 +117,8 @@ int do_cmake(int ac, char const* const* av);
 static int do_build(int ac, char const* const* av);
 static int do_open(int ac, char const* const* av);
 
-static cmMakefile* cmakemainGetMakefile(void* clientdata)
+static cmMakefile* cmakemainGetMakefile(cmake* cm)
 {
-  cmake* cm = static_cast<cmake*>(clientdata);
   if (cm && cm->GetDebugOutput()) {
     cmGlobalGenerator* gg = cm->GetGlobalGenerator();
     if (gg) {
@@ -129,10 +128,10 @@ static cmMakefile* cmakemainGetMakefile(void* clientdata)
   return nullptr;
 }
 
-static std::string cmakemainGetStack(void* clientdata)
+static std::string cmakemainGetStack(cmake* cm)
 {
   std::string msg;
-  cmMakefile* mf = cmakemainGetMakefile(clientdata);
+  cmMakefile* mf = cmakemainGetMakefile(cm);
   if (mf) {
     msg = mf->FormatListFileStack();
     if (!msg.empty()) {
@@ -144,15 +143,14 @@ static std::string cmakemainGetStack(void* clientdata)
 }
 
 static void cmakemainMessageCallback(const char* m, const char* /*unused*/,
-                                     bool& /*unused*/, void* clientdata)
+                                     bool& /*unused*/, cmake* cm)
 {
-  std::cerr << m << cmakemainGetStack(clientdata) << std::endl << std::flush;
+  std::cerr << m << cmakemainGetStack(cm) << std::endl << std::flush;
 }
 
-static void cmakemainProgressCallback(const char* m, float prog,
-                                      void* clientdata)
+static void cmakemainProgressCallback(const char* m, float prog, cmake* cm)
 {
-  cmMakefile* mf = cmakemainGetMakefile(clientdata);
+  cmMakefile* mf = cmakemainGetMakefile(cm);
   std::string dir;
   if ((mf) && (strstr(m, "Configuring") == m) && (prog < 0)) {
     dir = " ";
@@ -163,8 +161,7 @@ static void cmakemainProgressCallback(const char* m, float 
prog,
   }
 
   if ((prog < 0) || (!dir.empty())) {
-    std::cout << "-- " << m << dir << cmakemainGetStack(clientdata)
-              << std::endl;
+    std::cout << "-- " << m << dir << cmakemainGetStack(cm) << std::endl;
   }
 
   std::cout.flush();
@@ -322,8 +319,13 @@ int do_cmake(int ac, char const* const* av)
   cmake cm(role, mode);
   cm.SetHomeDirectory("");
   cm.SetHomeOutputDirectory("");
-  cmSystemTools::SetMessageCallback(cmakemainMessageCallback, &cm);
-  cm.SetProgressCallback(cmakemainProgressCallback, &cm);
+  cmSystemTools::SetMessageCallback(
+    [&cm](const char* msg, const char* title, bool& cancel) {
+      cmakemainMessageCallback(msg, title, cancel, &cm);
+    });
+  cm.SetProgressCallback([&cm](const char* msg, float prog) {
+    cmakemainProgressCallback(msg, prog, &cm);
+  });
   cm.SetWorkingMode(workingMode);
 
   int res = cm.Run(args, view_only);
@@ -498,8 +500,13 @@ static int do_build(int ac, char const* const* av)
   }
 
   cmake cm(cmake::RoleInternal, cmState::Unknown);
-  cmSystemTools::SetMessageCallback(cmakemainMessageCallback, &cm);
-  cm.SetProgressCallback(cmakemainProgressCallback, &cm);
+  cmSystemTools::SetMessageCallback(
+    [&cm](const char* msg, const char* title, bool& cancel) {
+      cmakemainMessageCallback(msg, title, cancel, &cm);
+    });
+  cm.SetProgressCallback([&cm](const char* msg, float prog) {
+    cmakemainProgressCallback(msg, prog, &cm);
+  });
   return cm.Build(jobs, dir, target, config, nativeOptions, clean, verbose);
 #endif
 }
@@ -536,8 +543,13 @@ static int do_open(int ac, char const* const* av)
   }
 
   cmake cm(cmake::RoleInternal, cmState::Unknown);
-  cmSystemTools::SetMessageCallback(cmakemainMessageCallback, &cm);
-  cm.SetProgressCallback(cmakemainProgressCallback, &cm);
+  cmSystemTools::SetMessageCallback(
+    [&cm](const char* msg, const char* title, bool& cancel) {
+      cmakemainMessageCallback(msg, title, cancel, &cm);
+    });
+  cm.SetProgressCallback([&cm](const char* msg, float prog) {
+    cmakemainProgressCallback(msg, prog, &cm);
+  });
   return cm.Open(dir, false) ? 0 : 1;
 #endif
 }

https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=95ef818c7df5f8f92130f11cad0e9b72d470dcdc
commit 95ef818c7df5f8f92130f11cad0e9b72d470dcdc
Author:     Marc Chevrier <marc.chevr...@gmail.com>
AuthorDate: Mon Jan 28 18:43:50 2019 +0100
Commit:     Marc Chevrier <marc.chevr...@gmail.com>
CommitDate: Mon Jan 28 18:43:50 2019 +0100

    UseJava: clean-up if() expressions
    
    Fixes: #18836

diff --git a/Modules/UseJava.cmake b/Modules/UseJava.cmake
index 2bcd28e..5600b4c 100644
--- a/Modules/UseJava.cmake
+++ b/Modules/UseJava.cmake
@@ -446,7 +446,7 @@ function (__java_copy_file src dest comment)
 endfunction ()
 
 function(__java_lcat VAR)
-    foreach(_line ${ARGN})
+    foreach(_line IN LISTS ARGN)
         string(APPEND ${VAR} "${_line}\n")
     endforeach()
 
@@ -568,7 +568,7 @@ function(add_jar _TARGET_NAME)
         set(CMAKE_JAVA_INCLUDE_FLAG_SEP ":")
     endif()
 
-    foreach (JAVA_INCLUDE_DIR ${CMAKE_JAVA_INCLUDE_PATH})
+    foreach (JAVA_INCLUDE_DIR IN LISTS CMAKE_JAVA_INCLUDE_PATH)
        string(APPEND CMAKE_JAVA_INCLUDE_PATH_FINAL 
"${CMAKE_JAVA_INCLUDE_FLAG_SEP}${JAVA_INCLUDE_DIR}")
     endforeach()
 
@@ -592,7 +592,7 @@ function(add_jar _TARGET_NAME)
     set(_JAVA_COMPILE_DEPENDS)
     set(_JAVA_RESOURCE_FILES)
     set(_JAVA_RESOURCE_FILES_RELATIVE)
-    foreach(_JAVA_SOURCE_FILE ${_JAVA_SOURCE_FILES})
+    foreach(_JAVA_SOURCE_FILE IN LISTS _JAVA_SOURCE_FILES)
         get_filename_component(_JAVA_EXT ${_JAVA_SOURCE_FILE} EXT)
         get_filename_component(_JAVA_FILE ${_JAVA_SOURCE_FILE} NAME_WE)
         get_filename_component(_JAVA_PATH ${_JAVA_SOURCE_FILE} PATH)
@@ -607,7 +607,7 @@ function(add_jar _TARGET_NAME)
             file(RELATIVE_PATH _JAVA_REL_SOURCE_PATH 
${CMAKE_CURRENT_SOURCE_DIR} ${_JAVA_FULL})
             string(LENGTH ${_JAVA_REL_BINARY_PATH} _BIN_LEN)
             string(LENGTH ${_JAVA_REL_SOURCE_PATH} _SRC_LEN)
-            if (${_BIN_LEN} LESS ${_SRC_LEN})
+            if (_BIN_LEN LESS _SRC_LEN)
                 set(_JAVA_REL_PATH ${_JAVA_REL_BINARY_PATH})
             else ()
                 set(_JAVA_REL_PATH ${_JAVA_REL_SOURCE_PATH})
@@ -637,7 +637,7 @@ function(add_jar _TARGET_NAME)
         endif ()
     endforeach()
 
-    foreach(_JAVA_INCLUDE_JAR ${_add_jar_INCLUDE_JARS})
+    foreach(_JAVA_INCLUDE_JAR IN LISTS _add_jar_INCLUDE_JARS)
         if (TARGET ${_JAVA_INCLUDE_JAR})
             get_target_property(_JAVA_JAR_PATH ${_JAVA_INCLUDE_JAR} JAR_FILE)
             if (_JAVA_JAR_PATH)
@@ -705,7 +705,7 @@ function(add_jar _TARGET_NAME)
 
     # create the jar file
     set(_JAVA_JAR_OUTPUT_PATH
-      ${_add_jar_OUTPUT_DIR}/${_JAVA_TARGET_OUTPUT_NAME})
+      "${_add_jar_OUTPUT_DIR}/${_JAVA_TARGET_OUTPUT_NAME}")
     if (CMAKE_JNI_TARGET)
         add_custom_command(
             OUTPUT ${_JAVA_JAR_OUTPUT_PATH}
@@ -903,15 +903,15 @@ function (find_jar VARIABLE)
 
     set(_state "name")
 
-    foreach (arg ${ARGN})
-        if (${_state} STREQUAL "name")
-            if (${arg} STREQUAL "VERSIONS")
+    foreach (arg IN LISTS ARGN)
+        if (_state STREQUAL "name")
+            if (arg STREQUAL "VERSIONS")
                 set(_state "versions")
-            elseif (${arg} STREQUAL "NAMES")
+            elseif (arg STREQUAL "NAMES")
                 set(_state "names")
-            elseif (${arg} STREQUAL "PATHS")
+            elseif (arg STREQUAL "PATHS")
                 set(_state "paths")
-            elseif (${arg} STREQUAL "DOC")
+            elseif (arg STREQUAL "DOC")
                 set(_state "doc")
             else ()
                 set(_jar_names ${arg})
@@ -919,22 +919,22 @@ function (find_jar VARIABLE)
                     set(_jar_doc "Finding ${arg} jar")
                 endif ()
             endif ()
-        elseif (${_state} STREQUAL "versions")
-            if (${arg} STREQUAL "NAMES")
+        elseif (_state STREQUAL "versions")
+            if (arg STREQUAL "NAMES")
                 set(_state "names")
-            elseif (${arg} STREQUAL "PATHS")
+            elseif (arg STREQUAL "PATHS")
                 set(_state "paths")
-            elseif (${arg} STREQUAL "DOC")
+            elseif (arg STREQUAL "DOC")
                 set(_state "doc")
             else ()
                 set(_jar_versions ${_jar_versions} ${arg})
             endif ()
-        elseif (${_state} STREQUAL "names")
-            if (${arg} STREQUAL "VERSIONS")
+        elseif (_state STREQUAL "names")
+            if (arg STREQUAL "VERSIONS")
                 set(_state "versions")
-            elseif (${arg} STREQUAL "PATHS")
+            elseif (arg STREQUAL "PATHS")
                 set(_state "paths")
-            elseif (${arg} STREQUAL "DOC")
+            elseif (arg STREQUAL "DOC")
                 set(_state "doc")
             else ()
                 set(_jar_names ${_jar_names} ${arg})
@@ -942,22 +942,22 @@ function (find_jar VARIABLE)
                     set(_jar_doc "Finding ${arg} jar")
                 endif ()
             endif ()
-        elseif (${_state} STREQUAL "paths")
-            if (${arg} STREQUAL "VERSIONS")
+        elseif (_state STREQUAL "paths")
+            if (arg STREQUAL "VERSIONS")
                 set(_state "versions")
-            elseif (${arg} STREQUAL "NAMES")
+            elseif (arg STREQUAL "NAMES")
                 set(_state "names")
-            elseif (${arg} STREQUAL "DOC")
+            elseif (arg STREQUAL "DOC")
                 set(_state "doc")
             else ()
                 set(_jar_paths ${_jar_paths} ${arg})
             endif ()
-        elseif (${_state} STREQUAL "doc")
-            if (${arg} STREQUAL "VERSIONS")
+        elseif (_state STREQUAL "doc")
+            if (arg STREQUAL "VERSIONS")
                 set(_state "versions")
-            elseif (${arg} STREQUAL "NAMES")
+            elseif (arg STREQUAL "NAMES")
                 set(_state "names")
-            elseif (${arg} STREQUAL "PATHS")
+            elseif (arg STREQUAL "PATHS")
                 set(_state "paths")
             else ()
                 set(_jar_doc ${arg})
@@ -969,8 +969,8 @@ function (find_jar VARIABLE)
         message(FATAL_ERROR "find_jar: No name to search for given")
     endif ()
 
-    foreach (jar_name ${_jar_names})
-        foreach (version ${_jar_versions})
+    foreach (jar_name IN LISTS _jar_names)
+        foreach (version IN LISTS _jar_versions)
             set(_jar_files ${_jar_files} ${jar_name}-${version}.jar)
         endforeach ()
         set(_jar_files ${_jar_files} ${jar_name}.jar)
@@ -997,252 +997,252 @@ function(create_javadoc _target)
 
     set(_state "package")
 
-    foreach (arg ${ARGN})
-        if (${_state} STREQUAL "package")
-            if (${arg} STREQUAL "PACKAGES")
+    foreach (arg IN LISTS ARGN)
+        if (_state STREQUAL "package")
+            if (arg STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "FILES")
+            elseif (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "CLASSPATH")
+            elseif (arg STREQUAL "CLASSPATH")
                 set(_state "classpath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 set(_javadoc_packages ${arg})
                 set(_state "packages")
             endif ()
-        elseif (${_state} STREQUAL "packages")
-            if (${arg} STREQUAL "FILES")
+        elseif (_state STREQUAL "packages")
+            if (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "CLASSPATH")
+            elseif (arg STREQUAL "CLASSPATH")
                 set(_state "classpath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 list(APPEND _javadoc_packages ${arg})
             endif ()
-        elseif (${_state} STREQUAL "files")
-            if (${arg} STREQUAL "PACKAGES")
+        elseif (_state STREQUAL "files")
+            if (arg STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "CLASSPATH")
+            elseif (arg STREQUAL "CLASSPATH")
                 set(_state "classpath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 list(APPEND _javadoc_files ${arg})
             endif ()
-        elseif (${_state} STREQUAL "sourcepath")
-            if (${arg} STREQUAL "PACKAGES")
+        elseif (_state STREQUAL "sourcepath")
+            if (arg STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "FILES")
+            elseif (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "CLASSPATH")
+            elseif (arg STREQUAL "CLASSPATH")
                 set(_state "classpath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 list(APPEND _javadoc_sourcepath ${arg})
             endif ()
-        elseif (${_state} STREQUAL "classpath")
-            if (${arg} STREQUAL "PACKAGES")
+        elseif (_state STREQUAL "classpath")
+            if (arg STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "FILES")
+            elseif (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 list(APPEND _javadoc_classpath ${arg})
             endif ()
-        elseif (${_state} STREQUAL "installpath")
-            if (${arg} STREQUAL "PACKAGES")
+        elseif (_state STREQUAL "installpath")
+            if (arg STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "FILES")
+            elseif (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 set(_javadoc_installpath ${arg})
             endif ()
-        elseif (${_state} STREQUAL "doctitle")
+        elseif (_state STREQUAL "doctitle")
             if (${arg} STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "FILES")
+            elseif (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "CLASSPATH")
+            elseif (arg STREQUAL "CLASSPATH")
                 set(_state "classpath")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 set(_javadoc_doctitle ${arg})
             endif ()
-        elseif (${_state} STREQUAL "windowtitle")
+        elseif (_state STREQUAL "windowtitle")
             if (${arg} STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "FILES")
+            elseif (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "CLASSPATH")
+            elseif (arg STREQUAL "CLASSPATH")
                 set(_state "classpath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 set(_javadoc_windowtitle ${arg})
             endif ()
-        elseif (${_state} STREQUAL "author")
-            if (${arg} STREQUAL "PACKAGES")
+        elseif (_state STREQUAL "author")
+            if (arg STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "FILES")
+            elseif (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "CLASSPATH")
+            elseif (arg STREQUAL "CLASSPATH")
                 set(_state "classpath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 set(_javadoc_author ${arg})
             endif ()
-        elseif (${_state} STREQUAL "use")
-            if (${arg} STREQUAL "PACKAGES")
+        elseif (_state STREQUAL "use")
+            if (arg STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "FILES")
+            elseif (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "CLASSPATH")
+            elseif (arg STREQUAL "CLASSPATH")
                 set(_state "classpath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 set(_javadoc_use ${arg})
             endif ()
-        elseif (${_state} STREQUAL "version")
-            if (${arg} STREQUAL "PACKAGES")
+        elseif (_state STREQUAL "version")
+            if (arg STREQUAL "PACKAGES")
                 set(_state "packages")
-            elseif (${arg} STREQUAL "FILES")
+            elseif (arg STREQUAL "FILES")
                 set(_state "files")
-            elseif (${arg} STREQUAL "SOURCEPATH")
+            elseif (arg STREQUAL "SOURCEPATH")
                 set(_state "sourcepath")
-            elseif (${arg} STREQUAL "CLASSPATH")
+            elseif (arg STREQUAL "CLASSPATH")
                 set(_state "classpath")
-            elseif (${arg} STREQUAL "INSTALLPATH")
+            elseif (arg STREQUAL "INSTALLPATH")
                 set(_state "installpath")
-            elseif (${arg} STREQUAL "DOCTITLE")
+            elseif (arg STREQUAL "DOCTITLE")
                 set(_state "doctitle")
-            elseif (${arg} STREQUAL "WINDOWTITLE")
+            elseif (arg STREQUAL "WINDOWTITLE")
                 set(_state "windowtitle")
-            elseif (${arg} STREQUAL "AUTHOR")
+            elseif (arg STREQUAL "AUTHOR")
                 set(_state "author")
-            elseif (${arg} STREQUAL "USE")
+            elseif (arg STREQUAL "USE")
                 set(_state "use")
-            elseif (${arg} STREQUAL "VERSION")
+            elseif (arg STREQUAL "VERSION")
                 set(_state "version")
             else ()
                 set(_javadoc_version ${arg})
@@ -1255,7 +1255,7 @@ function(create_javadoc _target)
 
     if (_javadoc_sourcepath)
         set(_start TRUE)
-        foreach(_path ${_javadoc_sourcepath})
+        foreach(_path IN LISTS _javadoc_sourcepath)
             if (_start)
                 set(_sourcepath ${_path})
                 set(_start FALSE)
@@ -1268,7 +1268,7 @@ function(create_javadoc _target)
 
     if (_javadoc_classpath)
         set(_start TRUE)
-        foreach(_path ${_javadoc_classpath})
+        foreach(_path IN LISTS _javadoc_classpath)
             if (_start)
                 set(_classpath ${_path})
                 set(_start FALSE)
@@ -1435,7 +1435,7 @@ function(export_jars)
     # Set content of generated exports file
     string(REPLACE ";" " " __targets__ "${_export_jars_TARGETS}")
     set(__targetdefs__ "")
-    foreach(_target ${_export_jars_TARGETS})
+    foreach(_target IN LISTS _export_jars_TARGETS)
         get_target_property(_jarpath ${_target} JAR_FILE)
         get_filename_component(_jarpath ${_jarpath} PATH)
         __java_export_jar(__targetdefs__ ${_target} "${_jarpath}")
@@ -1473,7 +1473,7 @@ function(install_jar_exports)
     endif()
 
     # Determine relative path from installed export file to install prefix
-    if(IS_ABSOLUTE ${_install_jar_exports_DESTINATION})
+    if(IS_ABSOLUTE "${_install_jar_exports_DESTINATION}")
       file(RELATIVE_PATH _relpath
         ${_install_jar_exports_DESTINATION}
         ${CMAKE_INSTALL_PREFIX}
@@ -1492,7 +1492,7 @@ function(install_jar_exports)
     # Set content of generated exports file
     string(REPLACE ";" " " __targets__ "${_install_jar_exports_TARGETS}")
     set(__targetdefs__ "set(_prefix 
\${CMAKE_CURRENT_LIST_DIR}/${_relpath})\n\n")
-    foreach(_target ${_install_jar_exports_TARGETS})
+    foreach(_target IN LISTS _install_jar_exports_TARGETS)
         get_target_property(_dir ${_target} INSTALL_DESTINATION)
         __java_export_jar(__targetdefs__ ${_target} "\${_prefix}/${_dir}")
     endforeach()

-----------------------------------------------------------------------

Summary of changes:
 Help/variable/CMAKE_LANG_COMPILER_ID.rst    |   2 +-
 Modules/UseJava.cmake                       | 294 ++++++++++++++--------------
 Source/CPack/IFW/cmCPackIFWInstaller.cxx    |   3 +-
 Source/CPack/cmCPackDragNDropGenerator.cxx  |   3 +-
 Source/CPack/cmCPackGenerator.cxx           |  16 +-
 Source/CPack/cpack.cxx                      |   8 +-
 Source/CTest/cmCTestBuildAndTestHandler.cxx |  50 ++---
 Source/CTest/cmCTestScriptHandler.cxx       |  15 +-
 Source/CursesDialog/ccmake.cxx              |  12 +-
 Source/CursesDialog/cmCursesMainForm.cxx    |  22 +--
 Source/CursesDialog/cmCursesMainForm.h      |   3 +-
 Source/QtDialog/QCMake.cxx                  |  50 ++---
 Source/QtDialog/QCMake.h                    |  12 +-
 Source/cmFileCommand.cxx                    |   3 +-
 Source/cmGlobalVisualStudioGenerator.cxx    |   5 +-
 Source/cmMakefile.cxx                       |   6 +-
 Source/cmServer.cxx                         |  26 +--
 Source/cmServer.h                           |   7 +-
 Source/cmSystemTools.cxx                    |  56 +++---
 Source/cmSystemTools.h                      |  32 ++-
 Source/cmUseMangledMesaCommand.cxx          |   2 +-
 Source/cmake.cxx                            |  12 +-
 Source/cmake.h                              |   6 +-
 Source/cmakemain.cxx                        |  43 ++--
 Source/cmcmd.cxx                            |   8 +-
 25 files changed, 324 insertions(+), 372 deletions(-)


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