Merge topic 'minor-cleanup'

b51b6e9 Export: Skip INTERFACE libraries when generating -config files.
cad5c79 cmTarget: Fix typo
08e72a3 Automoc: Fix style
2eda924 Genex: Use case-sensitive comparison in PLATFORM_ID.
9436353 Genex: Always return immediately on error.
20a06d0 Export: Clean up comment.
f4d9466 Genex: Accept arbitrary content in *_CASE and MAKE_C_IDENTIFIER.
d36b489 Genex: Allow single param expressions to accept arbirary input.
218ad35 Constify cmStrCmp.
4cb7d79 Help: Fix CMP0037 docs.
5187580 Help: Add missing period.

12 files changed, 56 insertions, 58 deletions

diff --git a/Help/policy/CMP0024.rst b/Help/policy/CMP0024.rst
index 4c8c714..abfcc75 100644
--- a/Help/policy/CMP0024.rst
+++ b/Help/policy/CMP0024.rst
@@ -11,7 +11,7 @@ until later at generate-time, such as the link language and complete
 list of link libraries.  Future refactoring will change the effect of
 the export() command to be executed at generate-time.  Use ALIAS
 targets instead in cases where the goal is to refer to targets by
-another name
+another name.
 
 The OLD behavior for this policy is to allow including the result of
 an export() command.  The NEW behavior for this policy is to not to
diff --git a/Help/policy/CMP0037.rst b/Help/policy/CMP0037.rst
index 059b2e6..f4d2f4e 100644
--- a/Help/policy/CMP0037.rst
+++ b/Help/policy/CMP0037.rst
@@ -11,7 +11,7 @@ diagnostics expect target names to match a restricted pattern.
 
 Target names may contain upper and lower case letters, numbers, the underscore
 character (_), dot(.), plus(+) and minus(-).  As a special case, ALIAS
-targets and INTERFACE library targets may contain two consequtive colons.
+targets and IMPORTED targets may contain two consequtive colons.
 
 Target names reserved by one or more CMake generators are not allowed.
 Among others these include "all", "help" and "test".
diff --git a/Source/cmExportBuildFileGenerator.cxx b/Source/cmExportBuildFileGenerator.cxx
index 0d0d05b..c10f86f 100644
--- a/Source/cmExportBuildFileGenerator.cxx
+++ b/Source/cmExportBuildFileGenerator.cxx
@@ -229,10 +229,8 @@ cmExportBuildFileGenerator::HandleMissingTarget(
   // Append it with the export namespace.
   link_libs += this->Namespace;
   link_libs += dependee->GetExportName();
-//   if generate time {}
 }
 
-
 //----------------------------------------------------------------------------
 std::vector<std::string>
 cmExportBuildFileGenerator
diff --git a/Source/cmExportInstallFileGenerator.cxx b/Source/cmExportInstallFileGenerator.cxx
index 79e78df..1025dc0 100644
--- a/Source/cmExportInstallFileGenerator.cxx
+++ b/Source/cmExportInstallFileGenerator.cxx
@@ -297,16 +297,14 @@ cmExportInstallFileGenerator
     {
     // Collect import properties for this target.
     cmTargetExport const* te = *tei;
-    ImportPropertyMap properties;
-    std::set<std::string> importedLocations;
-    if (!properties.empty()
-        && te->Target->GetType() == cmTarget::INTERFACE_LIBRARY)
+    if (te->Target->GetType() == cmTarget::INTERFACE_LIBRARY)
       {
-      this->GenerateImportPropertyCode(os, config, te->Target, properties);
-      this->GenerateImportedFileChecksCode(os, te->Target, properties,
-                                           importedLocations);
       continue;
       }
+
+    ImportPropertyMap properties;
+    std::set<std::string> importedLocations;
+
     this->SetImportLocationProperty(config, suffix, te->ArchiveGenerator,
                                     properties, importedLocations);
     this->SetImportLocationProperty(config, suffix, te->LibraryGenerator,
diff --git a/Source/cmGeneratorExpressionEvaluator.cxx b/Source/cmGeneratorExpressionEvaluator.cxx
index 0f8c4e3..c8010d0 100644
--- a/Source/cmGeneratorExpressionEvaluator.cxx
+++ b/Source/cmGeneratorExpressionEvaluator.cxx
@@ -82,7 +82,6 @@ static const struct ZeroNode : public cmGeneratorExpressionNode
                        const GeneratorExpressionContent *,
                        cmGeneratorExpressionDAGChecker *) const
   {
-    // Unreachable
     return std::string();
   }
 } zeroNode;
@@ -94,13 +93,12 @@ static const struct OneNode : public cmGeneratorExpressionNode
 
   virtual bool AcceptsArbitraryContentParameter() const { return true; }
 
-  std::string Evaluate(const std::vector<std::string> &,
+  std::string Evaluate(const std::vector<std::string> &parameters,
                        cmGeneratorExpressionContext *,
                        const GeneratorExpressionContent *,
                        cmGeneratorExpressionDAGChecker *) const
   {
-    // Unreachable
-    return std::string();
+    return parameters.front();
   }
 } oneNode;
 
@@ -203,6 +201,8 @@ static const struct LowerCaseNode : public cmGeneratorExpressionNode
 {
   LowerCaseNode() {}
 
+  bool AcceptsArbitraryContentParameter() const { return true; }
+
   std::string Evaluate(const std::vector<std::string> &parameters,
                        cmGeneratorExpressionContext *,
                        const GeneratorExpressionContent *,
@@ -217,6 +217,8 @@ static const struct UpperCaseNode : public cmGeneratorExpressionNode
 {
   UpperCaseNode() {}
 
+  bool AcceptsArbitraryContentParameter() const { return true; }
+
   std::string Evaluate(const std::vector<std::string> &parameters,
                        cmGeneratorExpressionContext *,
                        const GeneratorExpressionContent *,
@@ -231,6 +233,8 @@ static const struct MakeCIdentifierNode : public cmGeneratorExpressionNode
 {
   MakeCIdentifierNode() {}
 
+  bool AcceptsArbitraryContentParameter() const { return true; }
+
   std::string Evaluate(const std::vector<std::string> &parameters,
                        cmGeneratorExpressionContext *,
                        const GeneratorExpressionContent *,
@@ -350,6 +354,7 @@ static const struct CCompilerIdNode : public CompilerIdNode
       reportError(context, content->GetOriginalExpression(),
           "$<C_COMPILER_ID> may only be used with targets.  It may not "
           "be used with add_custom_command.");
+      return std::string();
       }
     return this->EvaluateWithLanguage(parameters, context, content,
                                       dagChecker, "C");
@@ -377,6 +382,7 @@ static const struct CXXCompilerIdNode : public CompilerIdNode
       reportError(context, content->GetOriginalExpression(),
           "$<CXX_COMPILER_ID> may only be used with targets.  It may not "
           "be used with add_custom_command.");
+      return std::string();
       }
     return this->EvaluateWithLanguage(parameters, context, content,
                                       dagChecker, "CXX");
@@ -444,6 +450,7 @@ static const struct CCompilerVersionNode : public CompilerVersionNode
       reportError(context, content->GetOriginalExpression(),
           "$<C_COMPILER_VERSION> may only be used with targets.  It may not "
           "be used with add_custom_command.");
+      return std::string();
       }
     return this->EvaluateWithLanguage(parameters, context, content,
                                       dagChecker, "C");
@@ -472,6 +479,7 @@ static const struct CxxCompilerVersionNode : public CompilerVersionNode
       reportError(context, content->GetOriginalExpression(),
           "$<CXX_COMPILER_VERSION> may only be used with targets.  It may "
           "not be used with add_custom_command.");
+      return std::string();
       }
     return this->EvaluateWithLanguage(parameters, context, content,
                                       dagChecker, "CXX");
@@ -504,7 +512,7 @@ struct PlatformIdNode : public cmGeneratorExpressionNode
       return parameters.front().empty() ? "1" : "0";
       }
 
-    if (cmsysString_strcasecmp(parameters.begin()->c_str(), platformId) == 0)
+    if (strcmp(parameters.begin()->c_str(), platformId) == 0)
       {
       return "1";
       }
@@ -1634,14 +1642,6 @@ std::string GeneratorExpressionContent::Evaluate(
     return std::string();
     }
 
-  if (node->NumExpectedParameters() == 1
-        && node->AcceptsArbitraryContentParameter())
-    {
-    return this->ProcessArbitraryContent(node, identifier, context,
-                                         dagChecker,
-                                         this->ParamChildren.begin());
-    }
-
   std::vector<std::string> parameters;
   this->EvaluateParameters(node, identifier, context, dagChecker, parameters);
   if (context->HadError)
@@ -1669,33 +1669,35 @@ std::string GeneratorExpressionContent::EvaluateParameters(
                                         pend = this->ParamChildren.end();
   const bool acceptsArbitraryContent
                                   = node->AcceptsArbitraryContentParameter();
-  for ( ; pit != pend; ++pit)
+  int counter = 1;
+  for ( ; pit != pend; ++pit, ++counter)
     {
-    std::string parameter;
-    std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
-                                                              pit->begin();
-    const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
-                                                              pit->end();
-    for ( ; it != end; ++it)
-      {
-      parameter += (*it)->Evaluate(context, dagChecker);
-      if (context->HadError)
-        {
-        return std::string();
-        }
-      }
-    parameters.push_back(parameter);
-    if (acceptsArbitraryContent
-        && parameters.size() == (unsigned int)numExpected - 1)
+    if (acceptsArbitraryContent && counter == numExpected)
       {
-      assert(pit != pend);
       std::string lastParam = this->ProcessArbitraryContent(node, identifier,
                                                             context,
                                                             dagChecker,
-                                                            pit + 1);
+                                                            pit);
       parameters.push_back(lastParam);
       return std::string();
       }
+    else
+      {
+      std::string parameter;
+      std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
+                                                                pit->begin();
+      const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
+                                                                pit->end();
+      for ( ; it != end; ++it)
+        {
+        parameter += (*it)->Evaluate(context, dagChecker);
+        if (context->HadError)
+          {
+          return std::string();
+          }
+        }
+      parameters.push_back(parameter);
+      }
     }
   }
 
diff --git a/Source/cmQtAutoGenerators.cxx b/Source/cmQtAutoGenerators.cxx
index 2b4bb8a..a561aab 100644
--- a/Source/cmQtAutoGenerators.cxx
+++ b/Source/cmQtAutoGenerators.cxx
@@ -1379,18 +1379,18 @@ bool cmQtAutoGenerators::RunAutogen(cmMakefile* makefile)
 
   if (this->RunMocFailed)
     {
-    std::cerr << "moc failed..."<< std::endl;
+    std::cerr << "moc failed..." << std::endl;
     return false;
     }
 
   if (this->RunUicFailed)
     {
-    std::cerr << "uic failed..."<< std::endl;
+    std::cerr << "uic failed..." << std::endl;
     return false;
     }
   if (this->RunRccFailed)
     {
-    std::cerr << "rcc failed..."<< std::endl;
+    std::cerr << "rcc failed..." << std::endl;
     return false;
     }
   outStream.flush();
diff --git a/Source/cmStandardIncludes.h b/Source/cmStandardIncludes.h
index 7369fe6..eb6e52f 100644
--- a/Source/cmStandardIncludes.h
+++ b/Source/cmStandardIncludes.h
@@ -423,19 +423,19 @@ struct cmStrCmp {
   cmStrCmp(const char *test) : m_test(test) {}
   cmStrCmp(std::string &test) : m_test(test.c_str()) {}
 
-  bool operator()(const char * input)
+  bool operator()(const char * input) const
   {
     return strcmp(input, m_test) == 0;
   }
 
   // For use with binary_search
-  bool operator()(const char *str1, const char *str2)
+  bool operator()(const char *str1, const char *str2) const
   {
     return strcmp(str1, str2) < 0;
   }
 
 private:
-  const char *m_test;
+  const char * const m_test;
 };
 
 #endif
diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index a44cda1..a0177fb 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -5614,7 +5614,7 @@ void cmTarget::ComputeLinkImplementation(const char* config,
         {
         e << "Target \"" << this->GetName() << "\" links to target \"" << item
           << "\" but the target was not found.  Perhaps a find_package() "
-          "call is missing for an IMPORTED target, or a ALIAS target is "
+          "call is missing for an IMPORTED target, or an ALIAS target is "
           "missing?";
         this->Makefile->GetCMakeInstance()->IssueMessage(messageType,
                                                       e.str(),
diff --git a/Tests/GeneratorExpression/CMakeLists.txt b/Tests/GeneratorExpression/CMakeLists.txt
index edadb87..892f80f 100644
--- a/Tests/GeneratorExpression/CMakeLists.txt
+++ b/Tests/GeneratorExpression/CMakeLists.txt
@@ -193,9 +193,9 @@ add_custom_target(check-part3 ALL
     -Dtest_platform_id_Linux=$<PLATFORM_ID:Linux>
     -Dtest_platform_id_Windows=$<PLATFORM_ID:Windows>
     -Dtest_platform_id_Darwin=$<PLATFORM_ID:Darwin>
-    -Dlower_case=$<LOWER_CASE:MiXeD>
-    -Dupper_case=$<UPPER_CASE:MiXeD>
-    -Dmake_c_identifier=$<MAKE_C_IDENTIFIER:4foo:+bar-$>
+    -Dlower_case=$<LOWER_CASE:Mi,XeD>
+    -Dupper_case=$<UPPER_CASE:MiX,eD>
+    -Dmake_c_identifier=$<MAKE_C_IDENTIFIER:4f,oo:+bar-$>
     -P ${CMAKE_CURRENT_SOURCE_DIR}/check-part3.cmake
   COMMAND ${CMAKE_COMMAND} -E echo "check done (part 3 of 3)"
   VERBATIM
diff --git a/Tests/GeneratorExpression/check-part3.cmake b/Tests/GeneratorExpression/check-part3.cmake
index a86db31..3361eeb 100644
--- a/Tests/GeneratorExpression/check-part3.cmake
+++ b/Tests/GeneratorExpression/check-part3.cmake
@@ -34,6 +34,6 @@ foreach(system Linux Windows Darwin)
     check(test_platform_id_${system} 0)
   endif()
 endforeach()
-check(lower_case "mixed")
-check(upper_case "MIXED")
-check(make_c_identifier "_4foo__bar__")
+check(lower_case "mi,xed")
+check(upper_case "MIX,ED")
+check(make_c_identifier "_4f_oo__bar__")
diff --git a/Tests/RunCMake/CMP0028/CMP0028-NEW-stderr.txt b/Tests/RunCMake/CMP0028/CMP0028-NEW-stderr.txt
index a7b0799..711ad0e 100644
--- a/Tests/RunCMake/CMP0028/CMP0028-NEW-stderr.txt
+++ b/Tests/RunCMake/CMP0028/CMP0028-NEW-stderr.txt
@@ -1,6 +1,6 @@
 CMake Error at CMP0028-NEW.cmake:4 \(add_library\):
   Target "foo" links to target "External::Library" but the target was not
   found.  Perhaps a find_package\(\) call is missing for an IMPORTED target, or
-  a ALIAS target is missing\?
+  an ALIAS target is missing\?
 Call Stack \(most recent call first\):
   CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/CMP0028/CMP0028-WARN-stderr.txt b/Tests/RunCMake/CMP0028/CMP0028-WARN-stderr.txt
index 2ff6927..41d7560 100644
--- a/Tests/RunCMake/CMP0028/CMP0028-WARN-stderr.txt
+++ b/Tests/RunCMake/CMP0028/CMP0028-WARN-stderr.txt
@@ -5,7 +5,7 @@ CMake Warning \(dev\) at CMP0028-WARN.cmake:2 \(add_library\):
 
   Target "foo" links to target "External::Library" but the target was not
   found.  Perhaps a find_package\(\) call is missing for an IMPORTED target, or
-  a ALIAS target is missing\?
+  an ALIAS target is missing\?
 Call Stack \(most recent call first\):
   CMakeLists.txt:3 \(include\)
 This warning is for project developers.  Use -Wno-dev to suppress it.