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Look for external SPIR-V Tools build, if not building in-tree

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This allows to build with optimizer enabled, if external SPIR-V tools
libraries are available in the system. It is quite common in *nix world
to package spirv-tools and glslang separately.

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
This commit is contained in:
Kacper Michajłow 2023-03-03 18:20:24 +01:00 • committed by arcady-lunarg
parent b70669a059
commit 3805888a57
1 changed files with 8 additions and 1 deletions
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9
CMakeLists.txt
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@ -264,8 +264,15 @@ if(BUILD_EXTERNAL AND IS_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/External)
add_subdirectory(External)
endif()
option(ALLOW_EXTERNAL_SPIRV_TOOLS "Allows to build against installed SPIRV-Tools-opt" OFF)
if(NOT TARGET SPIRV-Tools-opt)
set(ENABLE_OPT OFF)
if(ALLOW_EXTERNAL_SPIRV_TOOLS)
# Look for external SPIR-V Tools build, if not building in-tree
find_package(SPIRV-Tools-opt)
endif()
if(NOT TARGET SPIRV-Tools-opt)
set(ENABLE_OPT OFF)
endif()
endif()
if(ENABLE_OPT)