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lower Vulkan requirement and fix shaderc includes #7902

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notimaginative merged 1 commit into from
Oct 18, 2026
+13 −1
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lower Vulkan requirement and fix shaderc includes #7902

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14 changes: 13 additions & 1 deletion lib/vulkan.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -161,7 +161,19 @@ endif()
# Note that we only rely on the headers and do NOT link against the Vulkan libs!

if(NOT USING_PREBUILT_VULKAN)
find_package(Vulkan 1.4.341 REQUIRED)
# oldest version that shouldn't require code changes to support
find_package(Vulkan 1.4.304 REQUIRED)

# shaderc ships separately from the Vulkan headers on most Linux distros
find_path(SHADERC_INCLUDE_DIR shaderc/shaderc.h)

if(NOT SHADERC_INCLUDE_DIR)
message(FATAL_ERROR
"shaderc headers not found. Install them (Debian/Ubuntu: libshaderc-dev) or "
"the Vulkan SDK, or configure with -DVULKAN_USE_PRECOMPILED=ON.")
endif()

target_include_directories(Vulkan::Headers SYSTEM INTERFACE "${SHADERC_INCLUDE_DIR}")
endif()

# prebuilt
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