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39 lines
1.4 KiB
Diff
39 lines
1.4 KiB
Diff
diff --git a/include/BoostRoot.cmake b/include/BoostRoot.cmake
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index f356666739..1843f528cd 100644
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--- a/include/BoostRoot.cmake
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+++ b/include/BoostRoot.cmake
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@@ -189,6 +189,7 @@ function(__boost_scan_dependencies lib var)
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set(result "")
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set(required_components "")
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+ set(optional_components "")
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if(EXISTS "${BOOST_SUPERPROJECT_SOURCE_DIR}/libs/${lib}/CMakeLists.txt")
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@@ -202,6 +203,12 @@ function(__boost_scan_dependencies lib var)
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string(REGEX REPLACE "^numeric_" "numeric/" dep ${CMAKE_MATCH_1})
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list(APPEND result ${dep})
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+ elseif(line MATCHES "^[ ]*\\$<TARGET_NAME_IF_EXISTS:Boost::([A-Za-z0-9_]+)>[ ]*$")
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+
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+ list(APPEND optional_components ${CMAKE_MATCH_1})
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+ string(REGEX REPLACE "^numeric_" "numeric/" dep ${CMAKE_MATCH_1})
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+ list(APPEND result ${dep})
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+
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endif()
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endforeach()
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@@ -209,9 +216,10 @@ function(__boost_scan_dependencies lib var)
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endif()
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list(REMOVE_DUPLICATES required_components)
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+ list(REMOVE_DUPLICATES optional_components)
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list(REMOVE_ITEM required_components boost ${lib}) # due to property_tree and python
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- if(required_components)
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+ if(required_components OR optional_components)
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- find_package(Boost COMPONENTS ${required_components} REQUIRED CONFIG)
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+ find_package(Boost COMPONENTS ${required_components} OPTIONAL_COMPONENTS ${optional_components} REQUIRED CONFIG)
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endif()
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set(${var} ${result} PARENT_SCOPE)
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