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If SPIRV-Headers is in our tree, include it as subproject (#3299)

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This allows enclosing projects to use SPIRV-Headers_SOURCE_DIR
to set up in header includes.
This commit is contained in:
David Neto 2020-04-14 08:28:25 -07:00 committed by GitHub
parent e70d25f6fa
commit ca5751590e
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1 changed files with 10 additions and 0 deletions
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10
external/CMakeLists.txt vendored
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@ -25,7 +25,17 @@ else()
endif()
if (IS_DIRECTORY ${SPIRV_HEADER_DIR})
# TODO(dneto): We should not be modifying the parent scope.
set(SPIRV_HEADER_INCLUDE_DIR ${SPIRV_HEADER_DIR}/include PARENT_SCOPE)
# Add SPIRV-Headers as a sub-project if it isn't already defined.
# Do this so enclosing projects can use SPIRV-Headers_SOURCE_DIR to find
# headers to include.
if (NOT DEFINED SPIRV-Headers_SOURCE_DIR)
set(SPIRV_HEADERS_SKIP_INSTALL ON)
set(SPIRV_HEADERS_SKIP_EXAMPLES ON)
add_subdirectory(${SPIRV_HEADER_DIR})
endif()
else()
message(FATAL_ERROR
"SPIRV-Headers was not found - please checkout a copy under external/.")