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Add option to test CMake itself against its hosting CMake

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This commit is contained in:
Brad King
2019-08-23 11:12:07 -04:00
parent 19612dffd2
commit 4b8a864d52
1 changed files with 4 additions and 0 deletions
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CMakeLists.txt
+4
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@@ -18,6 +18,10 @@ if(CMAKE_BOOTSTRAP)
unset(CMAKE_BOOTSTRAP CACHE)
endif()
if(CMake_TEST_HOST_CMAKE)
get_filename_component(CMake_TEST_EXTERNAL_CMAKE "${CMAKE_COMMAND}" DIRECTORY)
endif()
if(NOT CMake_TEST_EXTERNAL_CMAKE)
if(CMAKE_SYSTEM_NAME STREQUAL "HP-UX")
message(FATAL_ERROR