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set(__UNDOCUMENTED_CMAKE_FIND_PACKAGE_ROOT 1)
cmake_policy(SET CMP0057 NEW)
list(INSERT CMAKE_MODULE_PATH 0 ${CMAKE_CURRENT_SOURCE_DIR}/PackageRoot)
set(PackageRoot_BASE ${CMAKE_CURRENT_SOURCE_DIR}/PackageRoot)
function(PrintPath label path)
string(REPLACE "${PackageRoot_BASE}" "<base>" out "${path}")
message("${label}${out}")
endfunction()
macro(CleanUpPackageRootTest)
unset(Foo_ROOT)
unset(ENV{Foo_ROOT})
unset(FOO_TEST_FILE_FOO)
unset(FOO_TEST_FILE_ZOT)
unset(FOO_TEST_PATH_FOO)
unset(FOO_TEST_PATH_ZOT)
unset(FOO_TEST_PROG_FOO)
unset(FOO_TEST_FILE_FOO CACHE)
unset(FOO_TEST_FILE_ZOT CACHE)
unset(FOO_TEST_PATH_FOO CACHE)
unset(FOO_TEST_PATH_ZOT CACHE)
unset(FOO_TEST_PROG_FOO CACHE)
endmacro()
macro(RunPackageRootTest)
message("----------")
PrintPath("Foo_ROOT :" "${Foo_ROOT}")
PrintPath("ENV{Foo_ROOT} :" "$ENV{Foo_ROOT}")
message("")
find_package(Foo)
message("find_package(Foo)")
PrintPath("FOO_TEST_FILE_FOO :" "${FOO_TEST_FILE_FOO}")
PrintPath("FOO_TEST_FILE_ZOT :" "${FOO_TEST_FILE_ZOT}")
PrintPath("FOO_TEST_PATH_FOO :" "${FOO_TEST_PATH_FOO}")
PrintPath("FOO_TEST_PATH_ZOT :" "${FOO_TEST_PATH_ZOT}")
PrintPath("FOO_TEST_PROG_FOO :" "${FOO_TEST_PROG_FOO}")
CleanUpPackageRootTest()
message("")
endmacro()
RunPackageRootTest()
set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
RunPackageRootTest()
set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/env_root)
RunPackageRootTest()
set(Foo_ROOT ${PackageRoot_BASE}/foo/cmake_root)
set(ENV{Foo_ROOT} ${PackageRoot_BASE}/foo/env_root)
RunPackageRootTest()
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