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-rw-r--r--Tests/ExternalProjectLocal/Step1Patch.cmake25
1 files changed, 25 insertions, 0 deletions
diff --git a/Tests/ExternalProjectLocal/Step1Patch.cmake b/Tests/ExternalProjectLocal/Step1Patch.cmake
new file mode 100644
index 0000000000..35e09d948d
--- /dev/null
+++ b/Tests/ExternalProjectLocal/Step1Patch.cmake
@@ -0,0 +1,25 @@
+# Verify the current working directory.
+if(NOT EXISTS CMakeLists.txt)
+ message(FATAL_ERROR "File does not exist:\n ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt")
+endif()
+if(NOT EXISTS tutorial.cxx)
+ message(FATAL_ERROR "File does not exist:\n ${CMAKE_CURRENT_SOURCE_DIR}/tutorial.cxx")
+endif()
+
+# Check if the patch is already applied.
+file(STRINGS CMakeLists.txt prop_line REGEX "^set_property")
+if(prop_line)
+ message(STATUS "Patch already applied!")
+ return()
+endif()
+
+# Apply the patch.
+file(APPEND CMakeLists.txt "
+# Patch by ExternalProject test:
+set_property(TARGET Tutorial PROPERTY OUTPUT_NAME EP-Tutorial)
+list(LENGTH TEST_LIST len)
+if(NOT len EQUAL 3)
+ message(FATAL_ERROR \"TEST_LIST length is \${len}, not 3\")
+endif()
+")
+message(STATUS "Patched ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt")