578d95f87d
Disable the feature added by commit v3.9.0-rc1~71^2~2 (find_*: Add a new PackageRoot search path group, 2017-05-03) and remove documentation added by commit v3.9.0-rc1~71^2 (find_*: Add docs for PackageRoot search path group, 2017-05-03). Unfortunately the name `<pkg>_ROOT` may already be set by projects for their own incompatible purposes. Disable the behavior change for now to fix the regression for CMake 3.9. We can restore it later with a policy. In order to keep the implementation and tests working, add an undocumented variable we can use in the tests to enable the behavior before the policy is introduced. Fixes: #17144
137 lines
4.3 KiB
CMake
137 lines
4.3 KiB
CMake
set(__UNDOCUMENTED_CMAKE_FIND_PACKAGE_ROOT 1)
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cmake_policy(SET CMP0057 NEW)
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list(INSERT CMAKE_MODULE_PATH 0 ${CMAKE_CURRENT_SOURCE_DIR}/PackageRoot)
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set(PackageRoot_BASE ${CMAKE_CURRENT_SOURCE_DIR}/PackageRoot)
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macro(CleanUpPackageRootTest)
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unset(Foo_ROOT)
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unset(ENV{Foo_ROOT})
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unset(Bar_DIR)
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unset(BAR_CMAKE_FILE)
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unset(Bar_ROOT)
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unset(ENV{Bar_ROOT})
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unset(FOO_TEST_FILE_FOO)
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unset(FOO_TEST_FILE_ZOT)
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unset(FOO_TEST_PATH_FOO)
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unset(FOO_TEST_PATH_ZOT)
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unset(FOO_TEST_PROG_FOO)
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unset(BAR_TEST_FILE_FOO)
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unset(BAR_TEST_FILE_BAR)
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unset(BAR_TEST_FILE_ZOT)
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unset(BAR_TEST_PATH_FOO)
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unset(BAR_TEST_PATH_BAR)
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unset(BAR_TEST_PATH_ZOT)
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unset(BAR_TEST_PROG_FOO)
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unset(BAR_TEST_PROG_BAR)
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unset(Bar_DIR CACHE)
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unset(BAR_CMAKE_FILE CACHE)
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unset(FOO_TEST_FILE_FOO CACHE)
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unset(FOO_TEST_FILE_ZOT CACHE)
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unset(FOO_TEST_PATH_FOO CACHE)
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unset(FOO_TEST_PATH_ZOT CACHE)
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unset(FOO_TEST_PROG_FOO CACHE)
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unset(BAR_TEST_FILE_FOO CACHE)
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unset(BAR_TEST_FILE_BAR CACHE)
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unset(BAR_TEST_FILE_ZOT CACHE)
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unset(BAR_TEST_PATH_FOO CACHE)
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unset(BAR_TEST_PATH_BAR CACHE)
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unset(BAR_TEST_PATH_ZOT CACHE)
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unset(BAR_TEST_PROG_FOO CACHE)
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unset(BAR_TEST_PROG_BAR CACHE)
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endmacro()
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macro(RunPackageRootTest)
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message("----------")
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message("Foo_ROOT :${Foo_ROOT}")
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message("ENV{Foo_ROOT} :$ENV{Foo_ROOT}")
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message("Bar_DIR :${Bar_DIR}")
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message("Bar_ROOT :${Bar_ROOT}")
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message("ENV{Bar_ROOT} :$ENV{Bar_ROOT}")
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message("")
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find_package(Foo COMPONENTS BarModule)
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message("find_package(Foo COMPONENTS BarModule)")
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message("FOO_TEST_FILE_FOO :${FOO_TEST_FILE_FOO}")
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message("FOO_TEST_FILE_ZOT :${FOO_TEST_FILE_ZOT}")
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message("FOO_TEST_PATH_FOO :${FOO_TEST_PATH_FOO}")
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message("FOO_TEST_PATH_ZOT :${FOO_TEST_PATH_ZOT}")
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message("FOO_TEST_PROG_FOO :${FOO_TEST_PROG_FOO}")
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message("BAR_CMAKE_FILE :${BAR_CMAKE_FILE}")
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message("BAR_TEST_FILE_FOO :${BAR_TEST_FILE_FOO}")
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message("BAR_TEST_FILE_BAR :${BAR_TEST_FILE_BAR}")
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message("BAR_TEST_FILE_ZOT :${BAR_TEST_FILE_ZOT}")
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message("BAR_TEST_PATH_FOO :${BAR_TEST_PATH_FOO}")
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message("BAR_TEST_PATH_BAR :${BAR_TEST_PATH_BAR}")
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message("BAR_TEST_PATH_ZOT :${BAR_TEST_PATH_ZOT}")
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message("BAR_TEST_PROG_FOO :${BAR_TEST_PROG_FOO}")
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message("BAR_TEST_PROG_BAR :${BAR_TEST_PROG_BAR}")
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CleanUpPackageRootTest()
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message("")
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endmacro()
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#
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RunPackageRootTest()
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#
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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RunPackageRootTest()
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(Bar_ROOT ${PackageRoot_BASE}/bar/cmake_root)
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RunPackageRootTest()
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Bar_ROOT} ${PackageRoot_BASE}/bar/env_root)
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RunPackageRootTest()
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(Bar_ROOT ${PackageRoot_BASE}/bar/cmake_root)
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set(ENV{Bar_ROOT} ${PackageRoot_BASE}/bar/env_root)
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RunPackageRootTest()
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#
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/cmake_root)
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RunPackageRootTest()
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/cmake_root)
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set(Bar_ROOT ${PackageRoot_BASE}/bar/cmake_root)
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RunPackageRootTest()
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Bar_ROOT} ${PackageRoot_BASE}/bar/env_root)
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RunPackageRootTest()
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/cmake_root)
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set(Bar_ROOT ${PackageRoot_BASE}/bar/cmake_root)
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set(ENV{Bar_ROOT} ${PackageRoot_BASE}/bar/env_root)
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RunPackageRootTest()
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#
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/cmake_root)
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RunPackageRootTest()
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/cmake_root)
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set(Bar_ROOT ${PackageRoot_BASE}/bar/cmake_root)
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RunPackageRootTest()
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Bar_ROOT} ${PackageRoot_BASE}/bar/env_root)
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RunPackageRootTest()
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set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
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set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/cmake_root)
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set(Bar_ROOT ${PackageRoot_BASE}/bar/cmake_root)
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set(ENV{Bar_ROOT} ${PackageRoot_BASE}/bar/env_root)
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RunPackageRootTest()
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