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FindBoost: Remove obsolete diagnostic message about Boost_ROOT

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CMake 3.12 introduced <package>_ROOT CMake and environment variables to
be valid hints to find_package(<package>). Defining Boost_ROOT is no
longer wrong if CMP0074 is set to NEW.

Fixes #18810
This commit is contained in:
Dennis Klein
2019-05-14 20:10:22 +02:00
parent 66efdbd21a
commit e1e3935f5d
1 changed files with 5 additions and 1 deletions
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6
Modules/FindBoost.cmake
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@@ -1265,7 +1265,11 @@ if(WIN32)
INTERFACE_COMPILE_DEFINITIONS "BOOST_ALL_NO_LIB")
endif()
_Boost_CHECK_SPELLING(Boost_ROOT)
cmake_policy(GET CMP0074 _Boost_CMP0074)
if(NOT "x${_Boost_CMP0074}x" STREQUAL "xNEWx")
_Boost_CHECK_SPELLING(Boost_ROOT)
endif()
unset(_Boost_CMP0074)
_Boost_CHECK_SPELLING(Boost_LIBRARYDIR)
_Boost_CHECK_SPELLING(Boost_INCLUDEDIR)