[flang][nfc] Avoid generating external-hello-world by default

The current setting is not working.
When compiling `flang`, the `external-hello-world` is still compiled by default.

Reviewed By: luporl

Differential Revision: https://reviews.llvm.org/D145877

3 files changed, 10 insertions, 10 deletions

diff --git a/flang/examples/CMakeLists.txt b/flang/examples/CMakeLists.txt
index b0a78eeaa4ea..e1a309f1a7a9 100644
--- a/flang/examples/CMakeLists.txt
+++ b/flang/examples/CMakeLists.txt
@@ -1,15 +1,7 @@
 if(NOT FLANG_BUILD_EXAMPLES)
-  set(EXCLUDE_FROM_ALL ON)
+  set_property(DIRECTORY PROPERTY EXCLUDE_FROM_ALL ON)
 endif()
 
-# This test is not run by default as it requires input.
-add_executable(external-hello-world
-  external-hello.cpp
-)
-
-target_link_libraries(external-hello-world
-  FortranRuntime
-)
-
+add_subdirectory(ExternalHelloWorld)
 add_subdirectory(PrintFlangFunctionNames)
 add_subdirectory(FlangOmpReport)
diff --git a/flang/examples/ExternalHelloWorld/CMakeLists.txt b/flang/examples/ExternalHelloWorld/CMakeLists.txt
new file mode 100644
index 000000000000..3ca9feddf33e
--- /dev/null
+++ b/flang/examples/ExternalHelloWorld/CMakeLists.txt
@@ -0,0 +1,8 @@
+# This test is not run by default as it requires input.
+add_executable(external-hello-world
+  external-hello.cpp
+)
+
+target_link_libraries(external-hello-world
+  FortranRuntime
+)
diff --git a/flang/examples/external-hello.cpp b/flang/examples/ExternalHelloWorld/external-hello.cpp
index 4991bf9eba99..4991bf9eba99 100644
--- a/flang/examples/external-hello.cpp
+++ b/flang/examples/ExternalHelloWorld/external-hello.cpp