Add support for IMPORTED GLOBAL targets to be aliased

Issue: #15569
Issue: #17197

5 files changed, 99 insertions, 6 deletions

diff --git a/Tests/RunCMake/alias_targets/RunCMakeTest.cmake b/Tests/RunCMake/alias_targets/RunCMakeTest.cmake
index 9a5eaaf..dded248 100644
--- a/Tests/RunCMake/alias_targets/RunCMakeTest.cmake
+++ b/Tests/RunCMake/alias_targets/RunCMakeTest.cmake
@@ -6,6 +6,7 @@ run_cmake(exclude-from-all)
 run_cmake(imported)
 run_cmake(invalid-name)
 run_cmake(invalid-target)
+run_cmake(imported-global-target)
 run_cmake(imported-target)
 run_cmake(alias-target)
 run_cmake(set_property)
diff --git a/Tests/RunCMake/alias_targets/imported-global-target-stderr.txt b/Tests/RunCMake/alias_targets/imported-global-target-stderr.txt
new file mode 100644
index 0000000..8259c80
--- /dev/null
+++ b/Tests/RunCMake/alias_targets/imported-global-target-stderr.txt
@@ -0,0 +1,2 @@
+^'alias-test-exe' is an alias for 'test-exe' and its name-property contains 'test-exe'.
+'alias-test-lib' is an alias for 'test-lib' and its name-property contains 'test-lib'.$
diff --git a/Tests/RunCMake/alias_targets/imported-global-target.cmake b/Tests/RunCMake/alias_targets/imported-global-target.cmake
new file mode 100644
index 0000000..12c4e0a
--- /dev/null
+++ b/Tests/RunCMake/alias_targets/imported-global-target.cmake
@@ -0,0 +1,46 @@
+
+enable_language(CXX)
+
+
+add_executable(test-exe IMPORTED GLOBAL)
+add_executable(alias-test-exe ALIAS test-exe)
+
+if(TARGET alias-test-exe)
+  get_target_property(aliased-target alias-test-exe ALIASED_TARGET)
+  if("${aliased-target}" STREQUAL "test-exe")
+    get_target_property(aliased-name alias-test-exe NAME)
+    if("${aliased-name}" STREQUAL "test-exe")
+      message("'alias-test-exe' is an alias for '${aliased-target}'"
+              " and its name-property contains '${aliased-name}'.")
+    else()
+      message("'alias-test-exe' is an alias for '${aliased-target}'"
+              " but its name-property contains '${aliased-name}'!?")
+    endif()
+  else()
+    message("'alias-test-exe' is something but not a real target!?")
+  endif()
+else()
+    message("'alias-test-exe' does not exist!?")
+endif()
+
+
+add_library(test-lib SHARED IMPORTED GLOBAL)
+add_library(alias-test-lib ALIAS test-lib)
+
+if(TARGET alias-test-lib)
+  get_target_property(aliased-target alias-test-lib ALIASED_TARGET)
+  if("${aliased-target}" STREQUAL "test-lib")
+    get_target_property(aliased-name alias-test-lib NAME)
+    if("${aliased-name}" STREQUAL "test-lib")
+      message("'alias-test-lib' is an alias for '${aliased-target}'"
+              " and its name-property contains '${aliased-name}'.")
+    else()
+      message("'alias-test-lib' is an alias for '${aliased-target}'"
+              " but its name-property contains '${aliased-name}'!?")
+    endif()
+  else()
+    message("'alias-test-lib' is something but not a real target!?")
+  endif()
+else()
+    message("'alias-test-lib' does not exist!?")
+endif()
diff --git a/Tests/RunCMake/alias_targets/imported-target-stderr.txt b/Tests/RunCMake/alias_targets/imported-target-stderr.txt
index bbff29a..12ffbc2 100644
--- a/Tests/RunCMake/alias_targets/imported-target-stderr.txt
+++ b/Tests/RunCMake/alias_targets/imported-target-stderr.txt
@@ -1,5 +1,9 @@
-CMake Error at imported-target.cmake:6 \(add_library\):
-  add_library cannot create ALIAS target "alias" because target "foo" is
-  IMPORTED.
+^CMake Error at imported-target.cmake:[0-9]+ \(add_executable\):
+  add_executable cannot create ALIAS target \"alias-test-exe\" because target
+  \"test-exe\" is imported but not globally visible.
 Call Stack \(most recent call first\):
-  CMakeLists.txt:3 \(include\)
+  CMakeLists.txt:[0-9]+ \(include\)
+
+
+'alias-test-exe' does not exist![?]
+'alias-test-lib' does not exist![?]$
diff --git a/Tests/RunCMake/alias_targets/imported-target.cmake b/Tests/RunCMake/alias_targets/imported-target.cmake
index 7259ab0..bb682fe 100644
--- a/Tests/RunCMake/alias_targets/imported-target.cmake
+++ b/Tests/RunCMake/alias_targets/imported-target.cmake
@@ -1,6 +1,46 @@
 
 enable_language(CXX)
 
-add_library(foo SHARED IMPORTED)
 
-add_library(alias ALIAS foo)
+add_executable(test-exe IMPORTED)
+add_executable(alias-test-exe ALIAS test-exe)
+
+if(TARGET alias-test-exe)
+  get_target_property(aliased-target alias-test-exe ALIASED_TARGET)
+  if("${aliased-target}" STREQUAL "test-exe")
+    get_target_property(aliased-name alias-test-exe NAME)
+    if("${aliased-name}" STREQUAL "test-exe")
+      message("'alias-test-exe' is an alias for '${aliased-target}'"
+              " and its name-property contains '${aliased-name}'.")
+    else()
+      message("'alias-test-exe' is an alias for '${aliased-target}'"
+              " but its name-property contains '${aliased-name}'!?")
+    endif()
+  else()
+    message("'alias-test-exe' is something but not a real target!?")
+  endif()
+else()
+    message("'alias-test-exe' does not exist!?")
+endif()
+
+
+add_library(test-lib SHARED IMPORTED)
+add_library(alias-test-lib ALIAS test-lib)
+
+if(TARGET alias-test-lib)
+  get_target_property(aliased-target alias-test-lib ALIASED_TARGET)
+  if("${aliased-target}" STREQUAL "test-lib")
+    get_target_property(aliased-name alias-test-lib NAME)
+    if("${aliased-name}" STREQUAL "test-lib")
+      message("'alias-test-lib' is an alias for '${aliased-target}'"
+              " and its name-property contains '${aliased-name}'.")
+    else()
+      message("'alias-test-lib' is an alias for '${aliased-target}'"
+              " but its name-property contains '${aliased-name}'!?")
+    endif()
+  else()
+    message("'alias-test-lib' is something but not a real target!?")
+  endif()
+else()
+    message("'alias-test-lib' does not exist!?")
+endif()