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[vcpkg.cmake] Support toolchains that set CMAKE_FIND_ROOT_PATH_MODE_* variables to ONLY (#11753)

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Silvio Traversaro 2020-07-08 00:01:01 +02:00 committed by GitHub
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commit c916abaa0d
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scripts/buildsystems/vcpkg.cmake
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@ -230,6 +230,16 @@ else() #Release build: Put Release paths before Debug paths. Debug Paths are req
) )
endif() endif()
# If one CMAKE_FIND_ROOT_PATH_MODE_* variables is set to ONLY, to make sure that ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}
# and ${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug are searched, it is not sufficient to just add them to CMAKE_FIND_ROOT_PATH,
# as CMAKE_FIND_ROOT_PATH specify "one or more directories to be prepended to all other search directories", so to make sure that
# the libraries are searched as they are, it is necessary to add "/" to the CMAKE_PREFIX_PATH
if(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE STREQUAL "ONLY" OR
CMAKE_FIND_ROOT_PATH_MODE_LIBRARY STREQUAL "ONLY" OR
CMAKE_FIND_ROOT_PATH_MODE_PACKAGE STREQUAL "ONLY")
list(APPEND CMAKE_PREFIX_PATH "/")
endif()
set(VCPKG_CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH}) set(VCPKG_CMAKE_FIND_ROOT_PATH ${CMAKE_FIND_ROOT_PATH})
file(TO_CMAKE_PATH "$ENV{PROGRAMFILES}" _programfiles) file(TO_CMAKE_PATH "$ENV{PROGRAMFILES}" _programfiles)