Merge topic 'gitlab-ci-lint'

4318e8ed35 gitlab-ci: add iwyu job
0866b9253b gitlab-ci: add initial clang-tidy build
0a5bcf97b9 gitlab-ci: add scripts for use by CI
960158b90d ci: add scripts to download build tools
6af91c7c4d ci: add an image for Debian 10
68903ae238 ci: add a Docker container for building CMake
3ac24a8a6e cmFunctionBlocker: include missing header
b745b8fd36 IWYU: mark includes needed for assert statements as needed
...

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !4643

Source/CPack/IFW/cmCPackIFWCommon.cxx

@@ -2,7 +2,7 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmCPackIFWCommon.h"
 
-#include <cstddef>
+#include <cstddef> // IWYU pragma: keep
 #include <sstream>
 #include <utility>
 #include <vector>

Source/CTest/cmCTestMultiProcessHandler.cxx

@@ -6,7 +6,7 @@
 #include <cassert>
 #include <chrono>
 #include <cmath>
-#include <cstddef>
+#include <cstddef> // IWYU pragma: keep
 #include <cstdlib>
 #include <cstring>
 #include <iomanip>

Source/CTest/cmCTestRunTest.cxx

@@ -3,7 +3,7 @@
 #include "cmCTestRunTest.h"
 
 #include <chrono>
-#include <cstddef>
+#include <cstddef> // IWYU pragma: keep
 #include <cstdint>
 #include <cstdio>
 #include <cstring>

Source/CTest/cmCTestTestHandler.cxx

@@ -5,7 +5,7 @@
 #include <algorithm>
 #include <chrono>
 #include <cmath>
-#include <cstddef>
+#include <cstddef> // IWYU pragma: keep
 #include <cstdio>
 #include <cstdlib>
 #include <cstring>

Source/bindexplib.cxx

@@ -64,7 +64,7 @@
  */
 #include "bindexplib.h"
 
-#include <cstddef>
+#include <cstddef> // IWYU pragma: keep
 #include <sstream>
 #include <vector>
 

Source/cmArgumentParser.cxx

@@ -3,7 +3,6 @@
 #include "cmArgumentParser.h"
 
 #include <algorithm>
-#include <type_traits>
 
 namespace ArgumentParser {
 

Source/cmForEachCommand.cxx

@@ -4,7 +4,7 @@
 
 #include <algorithm>
 #include <cassert>
-#include <cstddef>
+#include <cstddef> // IWYU pragma: keep
 // NOTE The declaration of `std::abs` has moved to `cmath` since C++17
 // See https://en.cppreference.com/w/cpp/numeric/math/abs
 // ALERT But IWYU used to lint `#include`s do not "understand"

Source/cmFunctionBlocker.cxx

@@ -3,7 +3,9 @@
 #include "cmFunctionBlocker.h"
 
 #include <cassert>
+#include <memory> // IWYU pragma: keep
 #include <sstream>
+#include <string> // IWYU pragma: keep
 #include <utility>
 
 #include "cmExecutionStatus.h"

Source/cmGhsMultiTargetGenerator.cxx

@@ -14,7 +14,7 @@
 #include "cmGeneratedFileStream.h"
 #include "cmGeneratorTarget.h"
 #include "cmGlobalGhsMultiGenerator.h"
-#include "cmLinkLineComputer.h"
+#include "cmLinkLineComputer.h" // IWYU pragma: keep
 #include "cmLocalGenerator.h"
 #include "cmLocalGhsMultiGenerator.h"
 #include "cmMakefile.h"

Source/cmMakefileTargetGenerator.cxx

@@ -18,7 +18,7 @@
 #include "cmGeneratorExpression.h"
 #include "cmGeneratorTarget.h"
 #include "cmGlobalUnixMakefileGenerator3.h"
-#include "cmLinkLineComputer.h"
+#include "cmLinkLineComputer.h" // IWYU pragma: keep
 #include "cmLocalCommonGenerator.h"
 #include "cmLocalUnixMakefileGenerator3.h"
 #include "cmMakefile.h"

Source/cmStringAlgorithms.cxx

@@ -4,7 +4,7 @@
 
 #include <algorithm>
 #include <cerrno>
-#include <cstddef>
+#include <cstddef> // IWYU pragma: keep
 #include <cstdio>
 #include <cstdlib>
 

Source/cmUVProcessChain.h

@@ -4,7 +4,7 @@
 #define cmUVProcessChain_h
 
 #include <array>
-#include <cstddef>
+#include <cstddef> // IWYU pragma: keep
 #include <cstdint>
 #include <iosfwd>
 #include <memory>

Source/cmXMLWriter.h

@@ -6,7 +6,7 @@
 #include "cmConfigure.h" // IWYU pragma: keep
 
 #include <chrono>
-#include <cstddef>
+#include <cstddef> // IWYU pragma: keep
 #include <ctime>
 #include <ostream>
 #include <stack>