Merge topic 'install-DESTINATION-genex'

f30022eb install: Allow generator expressions in TARGETS DESTINATION (#14317)
7607c3d1 cmInstallGenerator: Pass destination explicitly to AddInstallRule
ebd556ca cmInstallGenerator: Fix check for absolute install destinations
290ca8e2 cmInstallGenerator: Refactor computation of absolute install dest
f99991db cmInstallGenerator: Move GetDestination to subclasses that need it

20 files changed, 79 insertions, 26 deletions

diff --git a/Help/command/install.rst b/Help/command/install.rst
index 5dd5aaa..c99ed73 100644
--- a/Help/command/install.rst
+++ b/Help/command/install.rst
@@ -159,6 +159,10 @@ file itself, call ``install(EXPORT)``, documented below.
 Installing a target with the :prop_tgt:`EXCLUDE_FROM_ALL` target property
 set to ``TRUE`` has undefined behavior.
 
+The install destination given to the target install ``DESTINATION`` may
+use "generator expressions" with the syntax ``$<...>``.  See the
+:manual:`cmake-generator-expressions(7)` manual for available expressions.
+
 Installing Files
 ^^^^^^^^^^^^^^^^
 
diff --git a/Help/release/dev/install-DESTINATION-genex.rst b/Help/release/dev/install-DESTINATION-genex.rst
new file mode 100644
index 0000000..4c4bbed
--- /dev/null
+++ b/Help/release/dev/install-DESTINATION-genex.rst
@@ -0,0 +1,5 @@
+install-DESTINATION-genex
+-------------------------
+
+* The :command:`install(TARGETS)` command learned to support
+  generator expressions in the ``DESTINATION`` value.
diff --git a/Source/cmExportInstallFileGenerator.cxx b/Source/cmExportInstallFileGenerator.cxx
index a0d9013..ba1dde2 100644
--- a/Source/cmExportInstallFileGenerator.cxx
+++ b/Source/cmExportInstallFileGenerator.cxx
@@ -73,8 +73,8 @@ bool cmExportInstallFileGenerator::GenerateMainFile(std::ostream& os)
   // to reference if they are relative to the install prefix.
   std::string installPrefix =
     this->IEGen->GetMakefile()->GetSafeDefinition("CMAKE_INSTALL_PREFIX");
-  const char* installDest = this->IEGen->GetDestination();
-  if(cmSystemTools::FileIsFullPath(installDest))
+  std::string const& expDest = this->IEGen->GetDestination();
+  if(cmSystemTools::FileIsFullPath(expDest))
     {
     // The export file is being installed to an absolute path so the
     // package is not relocatable.  Use the configured install prefix.
@@ -87,7 +87,7 @@ bool cmExportInstallFileGenerator::GenerateMainFile(std::ostream& os)
     {
     // Add code to compute the installation prefix relative to the
     // import file location.
-    std::string absDest = installPrefix + "/" + installDest;
+    std::string absDest = installPrefix + "/" + expDest;
     std::string absDestS = absDest + "/";
     os << "# Compute the installation prefix relative to this file.\n"
        << "get_filename_component(_IMPORT_PREFIX"
@@ -109,7 +109,7 @@ bool cmExportInstallFileGenerator::GenerateMainFile(std::ostream& os)
         "unset(_realOrig)\n"
         "unset(_realCurr)\n";
       }
-    std::string dest = installDest;
+    std::string dest = expDest;
     while(!dest.empty())
       {
       os <<
@@ -398,7 +398,7 @@ cmExportInstallFileGenerator
   cmTarget* target = itgen->GetTarget();
 
   // Construct the installed location of the target.
-  std::string dest = itgen->GetDestination();
+  std::string dest = itgen->GetDestination(config);
   std::string value;
   if(!cmSystemTools::FileIsFullPath(dest.c_str()))
     {
diff --git a/Source/cmInstallDirectoryGenerator.cxx b/Source/cmInstallDirectoryGenerator.cxx
index 8c13bab..7593380 100644
--- a/Source/cmInstallDirectoryGenerator.cxx
+++ b/Source/cmInstallDirectoryGenerator.cxx
@@ -44,7 +44,9 @@ cmInstallDirectoryGenerator::GenerateScriptActions(std::ostream& os,
 {
   // Write code to install the directories.
   const char* no_rename = 0;
-  this->AddInstallRule(os, cmInstallType_DIRECTORY,
+  this->AddInstallRule(os,
+                       this->Destination,
+                       cmInstallType_DIRECTORY,
                        this->Directories,
                        this->Optional,
                        this->FilePermissions.c_str(),
diff --git a/Source/cmInstallExportGenerator.cxx b/Source/cmInstallExportGenerator.cxx
index 4480cc6..38c80df 100644
--- a/Source/cmInstallExportGenerator.cxx
+++ b/Source/cmInstallExportGenerator.cxx
@@ -185,7 +185,8 @@ cmInstallExportGenerator::GenerateScriptConfigs(std::ostream& os,
     files.push_back(i->second);
     std::string config_test = this->CreateConfigTest(i->first);
     os << indent << "if(" << config_test << ")\n";
-    this->AddInstallRule(os, cmInstallType_FILES, files, false,
+    this->AddInstallRule(os, this->Destination,
+                         cmInstallType_FILES, files, false,
                          this->FilePermissions.c_str(), 0, 0, 0,
                          indent.Next());
     os << indent << "endif()\n";
@@ -199,7 +200,7 @@ void cmInstallExportGenerator::GenerateScriptActions(std::ostream& os,
 {
   // Remove old per-configuration export files if the main changes.
   std::string installedDir = "$ENV{DESTDIR}";
-  installedDir += this->GetInstallDestination();
+  installedDir += this->ConvertToAbsoluteDestination(this->Destination);
   installedDir += "/";
   std::string installedFile = installedDir;
   installedFile += this->FileName;
@@ -224,6 +225,7 @@ void cmInstallExportGenerator::GenerateScriptActions(std::ostream& os,
   // Install the main export file.
   std::vector<std::string> files;
   files.push_back(this->MainImportFile);
-  this->AddInstallRule(os, cmInstallType_FILES, files, false,
+  this->AddInstallRule(os, this->Destination,
+                       cmInstallType_FILES, files, false,
                        this->FilePermissions.c_str(), 0, 0, 0, indent);
 }
diff --git a/Source/cmInstallExportGenerator.h b/Source/cmInstallExportGenerator.h
index eb8c28b..3e078f2 100644
--- a/Source/cmInstallExportGenerator.h
+++ b/Source/cmInstallExportGenerator.h
@@ -41,6 +41,9 @@ public:
 
   const std::string& GetNamespace() const { return this->Namespace; }
 
+  std::string const& GetDestination() const
+    { return this->Destination; }
+
 protected:
   virtual void GenerateScript(std::ostream& os);
   virtual void GenerateScriptConfigs(std::ostream& os, Indent const& indent);
diff --git a/Source/cmInstallFilesGenerator.cxx b/Source/cmInstallFilesGenerator.cxx
index 91b102a..28c27c2 100644
--- a/Source/cmInstallFilesGenerator.cxx
+++ b/Source/cmInstallFilesGenerator.cxx
@@ -57,6 +57,7 @@ void cmInstallFilesGenerator::AddFilesInstallRule(
   // Write code to install the files.
   const char* no_dir_permissions = 0;
   this->AddInstallRule(os,
+                       this->Destination,
                        (this->Programs
                         ? cmInstallType_PROGRAMS
                         : cmInstallType_FILES),
diff --git a/Source/cmInstallGenerator.cxx b/Source/cmInstallGenerator.cxx
index b261cbf..2e1c5f0 100644
--- a/Source/cmInstallGenerator.cxx
+++ b/Source/cmInstallGenerator.cxx
@@ -37,6 +37,7 @@ cmInstallGenerator
 void cmInstallGenerator
 ::AddInstallRule(
                  std::ostream& os,
+                 std::string const& dest,
                  cmInstallType type,
                  std::vector<std::string> const& files,
                  bool optional /* = false */,
@@ -60,7 +61,6 @@ void cmInstallGenerator
     case cmInstallType_FILES:          stype = "FILE"; break;
     }
   os << indent;
-  std::string dest = this->GetInstallDestination();
   if (cmSystemTools::FileIsFullPath(dest.c_str()))
      {
      os << "list(APPEND CMAKE_ABSOLUTE_DESTINATION_FILES\n";
@@ -94,7 +94,8 @@ void cmInstallGenerator
         << "${CMAKE_ABSOLUTE_DESTINATION_FILES}\")\n";
      os << indent << "endif()\n";
      }
-  os << "file(INSTALL DESTINATION \"" << dest << "\" TYPE " << stype;
+  std::string absDest = this->ConvertToAbsoluteDestination(dest);
+  os << "file(INSTALL DESTINATION \"" << absDest << "\" TYPE " << stype;
   if(optional)
     {
     os << " OPTIONAL";
@@ -179,15 +180,16 @@ bool cmInstallGenerator::InstallsForConfig(const std::string& config)
 }
 
 //----------------------------------------------------------------------------
-std::string cmInstallGenerator::GetInstallDestination() const
+std::string
+cmInstallGenerator::ConvertToAbsoluteDestination(std::string const& dest) const
 {
   std::string result;
-  if(!this->Destination.empty() &&
-     !cmSystemTools::FileIsFullPath(this->Destination.c_str()))
+  if(!dest.empty() &&
+     !cmSystemTools::FileIsFullPath(dest.c_str()))
     {
     result = "${CMAKE_INSTALL_PREFIX}/";
     }
-  result += this->Destination;
+  result += dest;
   return result;
 }
 
diff --git a/Source/cmInstallGenerator.h b/Source/cmInstallGenerator.h
index 38aac91..c4191e4 100644
--- a/Source/cmInstallGenerator.h
+++ b/Source/cmInstallGenerator.h
@@ -40,7 +40,9 @@ public:
   virtual ~cmInstallGenerator();
 
   void AddInstallRule(
-    std::ostream& os, cmInstallType type,
+    std::ostream& os,
+    std::string const& dest,
+    cmInstallType type,
     std::vector<std::string> const& files,
     bool optional = false,
     const char* permissions_file = 0,
@@ -50,12 +52,9 @@ public:
     Indent const& indent = Indent()
     );
 
-  const char* GetDestination() const
-    { return this->Destination.c_str(); }
-
   /** Get the install destination as it should appear in the
       installation script.  */
-  std::string GetInstallDestination() const;
+  std::string ConvertToAbsoluteDestination(std::string const& dest) const;
 
   /** Test if this generator installs something for a given configuration.  */
   bool InstallsForConfig(const std::string& config);
diff --git a/Source/cmInstallTargetGenerator.cxx b/Source/cmInstallTargetGenerator.cxx
index 6d69f54..b035bad 100644
--- a/Source/cmInstallTargetGenerator.cxx
+++ b/Source/cmInstallTargetGenerator.cxx
@@ -12,6 +12,7 @@
 #include "cmInstallTargetGenerator.h"
 
 #include "cmComputeLinkInformation.h"
+#include "cmGeneratorExpression.h"
 #include "cmGlobalGenerator.h"
 #include "cmLocalGenerator.h"
 #include "cmMakefile.h"
@@ -77,7 +78,8 @@ void cmInstallTargetGenerator::GenerateScriptForConfig(std::ostream& os,
     fromDirConfig = this->Target->GetDirectory(config, this->ImportLibrary);
     fromDirConfig += "/";
     }
-  std::string toDir = this->GetInstallDestination();
+  std::string toDir =
+    this->ConvertToAbsoluteDestination(this->GetDestination(config));
   toDir += "/";
 
   // Compute the list of files to install for this target.
@@ -322,8 +324,8 @@ void cmInstallTargetGenerator::GenerateScriptForConfig(std::ostream& os,
   const char* no_dir_permissions = 0;
   const char* no_rename = 0;
   bool optional = this->Optional || this->ImportLibrary;
-  this->AddInstallRule(os, type, filesFrom,
-                       optional,
+  this->AddInstallRule(os, this->GetDestination(config),
+                       type, filesFrom, optional,
                        this->FilePermissions.c_str(), no_dir_permissions,
                        no_rename, literal_args.c_str(),
                        indent);
@@ -335,6 +337,15 @@ void cmInstallTargetGenerator::GenerateScriptForConfig(std::ostream& os,
 
 //----------------------------------------------------------------------------
 std::string
+cmInstallTargetGenerator::GetDestination(std::string const& config) const
+{
+  cmGeneratorExpression ge;
+  return ge.Parse(this->Destination)
+    ->Evaluate(this->Target->GetMakefile(), config);
+}
+
+//----------------------------------------------------------------------------
+std::string
 cmInstallTargetGenerator::GetInstallFilename(const std::string& config) const
 {
   NameType nameType = this->ImportLibrary? NameImplib : NameNormal;
diff --git a/Source/cmInstallTargetGenerator.h b/Source/cmInstallTargetGenerator.h
index 7e5cc71..075c8a4 100644
--- a/Source/cmInstallTargetGenerator.h
+++ b/Source/cmInstallTargetGenerator.h
@@ -60,6 +60,8 @@ public:
   cmTarget* GetTarget() const { return this->Target; }
   bool IsImportLibrary() const { return this->ImportLibrary; }
 
+  std::string GetDestination(std::string const& config) const;
+
 protected:
   virtual void GenerateScript(std::ostream& os);
   virtual void GenerateScriptForConfig(std::ostream& os,
diff --git a/Tests/ExportImport/Export/CMakeLists.txt b/Tests/ExportImport/Export/CMakeLists.txt
index e130eca..0df42d9 100644
--- a/Tests/ExportImport/Export/CMakeLists.txt
+++ b/Tests/ExportImport/Export/CMakeLists.txt
@@ -68,6 +68,11 @@ add_library(testLib5 SHARED testLib5.c)
 
 add_library(testLib6 STATIC testLib6.cxx testLib6c.c)
 
+add_library(testLibPerConfigDest STATIC testLibPerConfigDest.c)
+install(TARGETS testLibPerConfigDest EXPORT exp
+  DESTINATION lib/$<$<BOOL:$<CONFIG>>:$<CONFIG>>$<$<NOT:$<BOOL:$<CONFIG>>>:NoConfig>
+  )
+
 # Work-around: Visual Studio 6 does not support per-target object files.
 set(VS6)
 if("${CMAKE_GENERATOR}" MATCHES "Visual Studio 6")
@@ -446,9 +451,9 @@ install(
   cmp0022NEW cmp0022OLD
   systemlib
   EXPORT exp
-  RUNTIME DESTINATION bin
-  LIBRARY DESTINATION lib NAMELINK_SKIP
-  ARCHIVE DESTINATION lib
+  RUNTIME DESTINATION $<1:bin>
+  LIBRARY DESTINATION $<1:lib> NAMELINK_SKIP
+  ARCHIVE DESTINATION $<1:lib>
   FRAMEWORK DESTINATION Frameworks
   BUNDLE DESTINATION Applications
   )
@@ -503,6 +508,7 @@ export(TARGETS testExe1 testLib1 testLib2 testLib3
 export(TARGETS testExe2 testLib4 testLib5 testLib6 testExe3 testExe2lib
   testLib4lib testLib4libdbg testLib4libopt
   testLibCycleA testLibCycleB
+  testLibPerConfigDest
   NAMESPACE bld_
   APPEND FILE ExportBuildTree.cmake
   )
diff --git a/Tests/ExportImport/Export/testLibPerConfigDest.c b/Tests/ExportImport/Export/testLibPerConfigDest.c
new file mode 100644
index 0000000..c7113fc
--- /dev/null
+++ b/Tests/ExportImport/Export/testLibPerConfigDest.c
@@ -0,0 +1 @@
+int testLibPerConfigDest(void) { return 0; }
diff --git a/Tests/ExportImport/Import/A/CMakeLists.txt b/Tests/ExportImport/Import/A/CMakeLists.txt
index 358776b..ced7b03 100644
--- a/Tests/ExportImport/Import/A/CMakeLists.txt
+++ b/Tests/ExportImport/Import/A/CMakeLists.txt
@@ -34,6 +34,7 @@ target_link_libraries(imp_testExe1
   exp_testLib5
   exp_testLib6
   exp_testLibCycleA
+  exp_testLibPerConfigDest
   )
 
 # Try building a plugin to an executable imported from the install tree.
@@ -66,6 +67,7 @@ target_link_libraries(imp_testExe1b
   bld_testLib5
   bld_testLib6
   bld_testLibCycleA
+  bld_testLibPerConfigDest
   )
 
 add_custom_target(check_testLib1_genex ALL
diff --git a/Tests/ExportImport/Import/A/imp_testExe1.c b/Tests/ExportImport/Import/A/imp_testExe1.c
index 451998a..150fcef 100644
--- a/Tests/ExportImport/Import/A/imp_testExe1.c
+++ b/Tests/ExportImport/Import/A/imp_testExe1.c
@@ -7,6 +7,7 @@ extern int testLib4lib();
 extern int testLib5();
 extern int testLib6();
 extern int testLibCycleA1();
+extern int testLibPerConfigDest();
 
 /* Switch a symbol between debug and optimized builds to make sure the
    proper library is found from the testLib4 link interface.  */
@@ -21,5 +22,6 @@ int main()
 {
   return (testLib2() + generated_by_testExe1() + testLib3() + testLib4()
           + testLib5() + testLib6() + testLibCycleA1()
+          + testLibPerConfigDest()
           + generated_by_testExe3() + testLib4lib() + testLib4libcfg());
 }
diff --git a/Tests/RunCMake/install/RunCMakeTest.cmake b/Tests/RunCMake/install/RunCMakeTest.cmake
index 53b91f3..7149603 100644
--- a/Tests/RunCMake/install/RunCMakeTest.cmake
+++ b/Tests/RunCMake/install/RunCMakeTest.cmake
@@ -6,3 +6,4 @@ run_cmake(DIRECTORY-message-lazy)
 run_cmake(SkipInstallRulesWarning)
 run_cmake(SkipInstallRulesNoWarning1)
 run_cmake(SkipInstallRulesNoWarning2)
+run_cmake(TARGETS-DESTINATION-bad)
diff --git a/Tests/RunCMake/install/TARGETS-DESTINATION-bad-result.txt b/Tests/RunCMake/install/TARGETS-DESTINATION-bad-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/install/TARGETS-DESTINATION-bad-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/install/TARGETS-DESTINATION-bad-stderr.txt b/Tests/RunCMake/install/TARGETS-DESTINATION-bad-stderr.txt
new file mode 100644
index 0000000..9844158
--- /dev/null
+++ b/Tests/RunCMake/install/TARGETS-DESTINATION-bad-stderr.txt
@@ -0,0 +1,6 @@
+CMake Error:
+  Error evaluating generator expression:
+
+    \$<NOTAGENEX>
+
+  Expression did not evaluate to a known generator expression
diff --git a/Tests/RunCMake/install/TARGETS-DESTINATION-bad.cmake b/Tests/RunCMake/install/TARGETS-DESTINATION-bad.cmake
new file mode 100644
index 0000000..feff52df
--- /dev/null
+++ b/Tests/RunCMake/install/TARGETS-DESTINATION-bad.cmake
@@ -0,0 +1,3 @@
+enable_language(C)
+add_library(empty empty.c)
+install(TARGETS empty DESTINATION $<NOTAGENEX>)
diff --git a/Tests/RunCMake/install/empty.c b/Tests/RunCMake/install/empty.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/Tests/RunCMake/install/empty.c