diff options
| -rw-r--r-- | Source/cmExportBuildFileGenerator.cxx | 45 | ||||
| -rw-r--r-- | Source/cmExportBuildFileGenerator.h | 7 | ||||
| -rw-r--r-- | Tests/RunCMake/export/DependOnDoubleExport-result.txt | 1 | ||||
| -rw-r--r-- | Tests/RunCMake/export/DependOnDoubleExport-stderr.txt | 13 | ||||
| -rw-r--r-- | Tests/RunCMake/export/DependOnDoubleExport.cmake | 7 | ||||
| -rw-r--r-- | Tests/RunCMake/export/DependOnNotExport-result.txt | 1 | ||||
| -rw-r--r-- | Tests/RunCMake/export/DependOnNotExport-stderr.txt | 6 | ||||
| -rw-r--r-- | Tests/RunCMake/export/DependOnNotExport.cmake | 4 | ||||
| -rw-r--r-- | Tests/RunCMake/export/RunCMakeTest.cmake | 2 |
9 files changed, 61 insertions, 25 deletions
diff --git a/Source/cmExportBuildFileGenerator.cxx b/Source/cmExportBuildFileGenerator.cxx index 3fe84a9..5800629 100644 --- a/Source/cmExportBuildFileGenerator.cxx +++ b/Source/cmExportBuildFileGenerator.cxx @@ -12,7 +12,6 @@ #include "cmMessageType.h" #include "cmPolicies.h" #include "cmStateTypes.h" -#include "cmSystemTools.h" #include "cmTarget.h" #include "cmTargetExport.h" #include "cmake.h" @@ -259,11 +258,11 @@ void cmExportBuildFileGenerator::HandleMissingTarget( const std::string name = dependee->GetName(); cmGlobalGenerator* gg = dependee->GetLocalGenerator()->GetGlobalGenerator(); - std::vector<std::string> namespaces = this->FindNamespaces(gg, name); + auto exportInfo = this->FindBuildExportInfo(gg, name); + std::vector<std::string> const& exportFiles = exportInfo.first; - int targetOccurrences = static_cast<int>(namespaces.size()); - if (targetOccurrences == 1) { - std::string missingTarget = namespaces[0]; + if (exportFiles.size() == 1) { + std::string missingTarget = exportInfo.second; missingTarget += dependee->GetExportName(); link_libs += missingTarget; @@ -272,7 +271,7 @@ void cmExportBuildFileGenerator::HandleMissingTarget( } // We are not appending, so all exported targets should be // known here. This is probably user-error. - this->ComplainAboutMissingTarget(depender, dependee, targetOccurrences); + this->ComplainAboutMissingTarget(depender, dependee, exportFiles); } // Assume the target will be exported by another command. // Append it with the export namespace. @@ -292,10 +291,12 @@ void cmExportBuildFileGenerator::GetTargets( targets = this->Targets; } -std::vector<std::string> cmExportBuildFileGenerator::FindNamespaces( - cmGlobalGenerator* gg, const std::string& name) +std::pair<std::vector<std::string>, std::string> +cmExportBuildFileGenerator::FindBuildExportInfo(cmGlobalGenerator* gg, + const std::string& name) { - std::vector<std::string> namespaces; + std::vector<std::string> exportFiles; + std::string ns; std::map<std::string, cmExportBuildFileGenerator*>& exportSets = gg->GetBuildExportSets(); @@ -305,31 +306,31 @@ std::vector<std::string> cmExportBuildFileGenerator::FindNamespaces( std::vector<std::string> targets; exportSet->GetTargets(targets); if (std::find(targets.begin(), targets.end(), name) != targets.end()) { - namespaces.push_back(exportSet->GetNamespace()); + exportFiles.push_back(exp.first); + ns = exportSet->GetNamespace(); } } - return namespaces; + return std::make_pair(exportFiles, ns); } void cmExportBuildFileGenerator::ComplainAboutMissingTarget( - cmGeneratorTarget* depender, cmGeneratorTarget* dependee, int occurrences) + cmGeneratorTarget* depender, cmGeneratorTarget* dependee, + std::vector<std::string> const& exportFiles) { - if (cmSystemTools::GetErrorOccuredFlag()) { - return; - } - std::ostringstream e; e << "export called with target \"" << depender->GetName() << "\" which requires target \"" << dependee->GetName() << "\" "; - if (occurrences == 0) { - e << "that is not in the export set.\n"; + if (exportFiles.empty()) { + e << "that is not in any export set."; } else { - e << "that is not in this export set, but " << occurrences - << " times in others.\n"; + e << "that is not in this export set, but in multiple other export sets: " + << cmJoin(exportFiles, ", ") << ".\n"; + e << "An exported target cannot depend upon another target which is " + "exported multiple times. Consider consolidating the exports of the " + "\"" + << dependee->GetName() << "\" target to a single export."; } - e << "If the required target is not easy to reference in this call, " - << "consider using the APPEND option with multiple separate calls."; this->LG->GetGlobalGenerator()->GetCMakeInstance()->IssueMessage( MessageType::FATAL_ERROR, e.str(), diff --git a/Source/cmExportBuildFileGenerator.h b/Source/cmExportBuildFileGenerator.h index 0a1e755..e5b6597 100644 --- a/Source/cmExportBuildFileGenerator.h +++ b/Source/cmExportBuildFileGenerator.h @@ -11,6 +11,7 @@ #include <iosfwd> #include <string> +#include <utility> #include <vector> class cmExportSet; @@ -64,7 +65,7 @@ protected: void ComplainAboutMissingTarget(cmGeneratorTarget* depender, cmGeneratorTarget* dependee, - int occurrences); + std::vector<std::string> const& namespaces); /** Fill in properties indicating built file locations. */ void SetImportLocationProperty(const std::string& config, @@ -75,8 +76,8 @@ protected: std::string InstallNameDir(cmGeneratorTarget* target, const std::string& config) override; - std::vector<std::string> FindNamespaces(cmGlobalGenerator* gg, - const std::string& name); + std::pair<std::vector<std::string>, std::string> FindBuildExportInfo( + cmGlobalGenerator* gg, const std::string& name); std::vector<std::string> Targets; cmExportSet* ExportSet; diff --git a/Tests/RunCMake/export/DependOnDoubleExport-result.txt b/Tests/RunCMake/export/DependOnDoubleExport-result.txt new file mode 100644 index 0000000..d00491f --- /dev/null +++ b/Tests/RunCMake/export/DependOnDoubleExport-result.txt @@ -0,0 +1 @@ +1 diff --git a/Tests/RunCMake/export/DependOnDoubleExport-stderr.txt b/Tests/RunCMake/export/DependOnDoubleExport-stderr.txt new file mode 100644 index 0000000..b78c7e4 --- /dev/null +++ b/Tests/RunCMake/export/DependOnDoubleExport-stderr.txt @@ -0,0 +1,13 @@ +CMake Error in CMakeLists.txt: + export called with target "exported" which requires target "doubleexported" + that is not in this export set, but in multiple other export sets: + .*/Tests/RunCMake/export/DependOnDoubleExport-build/exportset.cmake, + .*/Tests/RunCMake/export/DependOnDoubleExport-build/manual.cmake. + + + An exported target cannot depend upon another target which is exported + multiple times. Consider consolidating the exports of the "doubleexported" + target to a single export. + + +CMake Generate step failed. Build files cannot be regenerated correctly. diff --git a/Tests/RunCMake/export/DependOnDoubleExport.cmake b/Tests/RunCMake/export/DependOnDoubleExport.cmake new file mode 100644 index 0000000..8d108d7 --- /dev/null +++ b/Tests/RunCMake/export/DependOnDoubleExport.cmake @@ -0,0 +1,7 @@ +add_library(doubleexported INTERFACE) +install(TARGETS doubleexported EXPORT exportset) +export(TARGETS doubleexported FILE "${CMAKE_CURRENT_BINARY_DIR}/manual.cmake") +export(EXPORT exportset FILE "${CMAKE_CURRENT_BINARY_DIR}/exportset.cmake") +add_library(exported INTERFACE) +target_link_libraries(exported INTERFACE doubleexported) +export(TARGETS exported FILE "${CMAKE_CURRENT_BINARY_DIR}/exports.cmake") diff --git a/Tests/RunCMake/export/DependOnNotExport-result.txt b/Tests/RunCMake/export/DependOnNotExport-result.txt new file mode 100644 index 0000000..d00491f --- /dev/null +++ b/Tests/RunCMake/export/DependOnNotExport-result.txt @@ -0,0 +1 @@ +1 diff --git a/Tests/RunCMake/export/DependOnNotExport-stderr.txt b/Tests/RunCMake/export/DependOnNotExport-stderr.txt new file mode 100644 index 0000000..80f5758 --- /dev/null +++ b/Tests/RunCMake/export/DependOnNotExport-stderr.txt @@ -0,0 +1,6 @@ +CMake Error in CMakeLists.txt: + export called with target "exported" which requires target "notexported" + that is not in any export set. + + +CMake Generate step failed. Build files cannot be regenerated correctly. diff --git a/Tests/RunCMake/export/DependOnNotExport.cmake b/Tests/RunCMake/export/DependOnNotExport.cmake new file mode 100644 index 0000000..06c1ad9 --- /dev/null +++ b/Tests/RunCMake/export/DependOnNotExport.cmake @@ -0,0 +1,4 @@ +add_library(notexported INTERFACE) +add_library(exported INTERFACE) +target_link_libraries(exported INTERFACE notexported) +export(TARGETS exported FILE "${CMAKE_CURRENT_BINARY_DIR}/exports.cmake") diff --git a/Tests/RunCMake/export/RunCMakeTest.cmake b/Tests/RunCMake/export/RunCMakeTest.cmake index 97a0ca6..4d2f217 100644 --- a/Tests/RunCMake/export/RunCMakeTest.cmake +++ b/Tests/RunCMake/export/RunCMakeTest.cmake @@ -10,3 +10,5 @@ run_cmake(ForbiddenToExportInterfaceProperties) run_cmake(ForbiddenToExportImportedProperties) run_cmake(ForbiddenToExportPropertyWithGenExp) run_cmake(ExportPropertiesUndefined) +run_cmake(DependOnNotExport) +run_cmake(DependOnDoubleExport) |