Merge branch 'imported-target-dependencies' into custom-command-refactor

Source/cmTarget.cxx

@@ -1357,8 +1357,8 @@ bool cmTargetTraceDependencies::IsUtility(std::string const& dep)
     util = cmSystemTools::GetFilenameWithoutLastExtension(util);
     }
 
-  // Check for a non-imported target with this name.
-  if(cmTarget* t = this->GlobalGenerator->FindTarget(0, util.c_str()))
+  // Check for a target with this name.
+  if(cmTarget* t = this->Makefile->FindTargetToUse(util.c_str()))
     {
     // If we find the target and the dep was given as a full path,
     // then make sure it was not a full path to something else, and
@@ -1406,8 +1406,8 @@ cmTargetTraceDependencies
       cit != cc.GetCommandLines().end(); ++cit)
     {
     std::string const& command = *cit->begin();
-    // Look for a non-imported target with this name.
-    if(cmTarget* t = this->GlobalGenerator->FindTarget(0, command.c_str()))
+    // Check for a target with this name.
+    if(cmTarget* t = this->Makefile->FindTargetToUse(command.c_str()))
       {
       if(t->GetType() == cmTarget::EXECUTABLE)
         {

Tests/ExportImport/Import/A/CMakeLists.txt

@@ -75,24 +75,64 @@ foreach(c DEBUG RELWITHDEBINFO)
   set_property(TARGET imp_testExe1b PROPERTY COMPILE_DEFINITIONS_${c} EXE_DBG)
 endforeach(c)
 
+#-----------------------------------------------------------------------------
 # Create a custom target to generate a header for the libraries below.
-include_directories(${CMAKE_CURRENT_BINARY_DIR})
+# Drive the header generation through an indirect chain of imported
+# target dependencies.
+
+# testLib2tmp1.h
 add_custom_command(
-  OUTPUT testLib2.h
+  OUTPUT testLib2tmp1.h
   VERBATIM COMMAND
-  ${CMAKE_COMMAND} -E echo "extern int testLib2(void);" > testLib2.h
+    ${CMAKE_COMMAND} -E echo "extern int testLib2(void);" > testLib2tmp1.h
+  )
+
+# hdr_testLib2tmp1 needs testLib2tmp1.h
+add_custom_target(hdr_testLib2tmp1 DEPENDS testLib2tmp1.h)
+
+# exp_testExe2 needs hdr_testLib2tmp1
+add_dependencies(exp_testExe2 hdr_testLib2tmp1)
+
+# testLib2tmp.h needs exp_testExe2
+add_custom_command(
+  OUTPUT testLib2tmp.h
+  VERBATIM COMMAND exp_testExe2
+  COMMAND ${CMAKE_COMMAND} -E copy testLib2tmp1.h testLib2tmp.h
   )
+
+# hdr_testLib2tmp needs testLib2tmp.h
+add_custom_target(hdr_testLib2tmp DEPENDS testLib2tmp.h)
+
+add_library(dep_testLib2tmp UNKNOWN IMPORTED)
+set_property(TARGET dep_testLib2tmp PROPERTY
+  IMPORTED_LOCATION ${CMAKE_CURRENT_BINARY_DIR}/testLib2tmp.h)
+
+# dep_testLib2tmp needs hdr_testLib2tmp
+add_dependencies(dep_testLib2tmp hdr_testLib2tmp)
+
+# testLib2.h needs dep_testLib2tmp
+add_custom_command(
+  OUTPUT testLib2.h
+  VERBATIM COMMAND ${CMAKE_COMMAND} -E copy testLib2tmp.h testLib2.h
+  DEPENDS dep_testLib2tmp
+  )
+
+# hdr_testLib2 needs testLib2.h
 add_custom_target(hdr_testLib2 DEPENDS testLib2.h)
 
-# Drive the header generation through an indirect chain of imported
-# target dependencies.
 add_library(dep_testLib2 UNKNOWN IMPORTED)
+
+# dep_testLib2 needs hdr_testLib2
 add_dependencies(dep_testLib2 hdr_testLib2)
+
+# exp_testLib2 and bld_testLib2 both need dep_testLib2
 add_dependencies(bld_testLib2 dep_testLib2)
 add_dependencies(exp_testLib2 dep_testLib2)
 
+#-----------------------------------------------------------------------------
 # Create a library to be linked by another directory in this project
 # to test transitive linking to otherwise invisible imported targets.
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
 add_library(imp_lib1 STATIC imp_lib1.c)
 target_link_libraries(imp_lib1 exp_testLib2)
 add_library(imp_lib1b STATIC imp_lib1.c)