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authorBrad King <brad.king@kitware.com>2009-03-18 15:01:02 (GMT)
committerBrad King <brad.king@kitware.com>2009-03-18 15:01:02 (GMT)
commit2cc46c12f8d1a9b37a24e0cdcb0f31b8a0a8d6ae (patch)
treeeae24e7fe267784667bebe9799a1cf66ab5d02f0 /Tests/ExternalProject/Step1Patch.cmake
parent6ae0ff626a67a2a81481bf127d07543d1f0cca16 (diff)
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ENH: Add patch step for add_external_project
The patch step runs parallel to the update step since it does not make sense to have both. Configuration of the step requires specification of a PATCH_COMMAND argument to add_external_project.
Diffstat (limited to 'Tests/ExternalProject/Step1Patch.cmake')
-rw-r--r--Tests/ExternalProject/Step1Patch.cmake21
1 files changed, 21 insertions, 0 deletions
diff --git a/Tests/ExternalProject/Step1Patch.cmake b/Tests/ExternalProject/Step1Patch.cmake
new file mode 100644
index 0000000..1a1920a
--- /dev/null
+++ b/Tests/ExternalProject/Step1Patch.cmake
@@ -0,0 +1,21 @@
+# 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)
+")
+message(STATUS "Patched ${CMAKE_CURRENT_SOURCE_DIR}/CMakeLists.txt")