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fix(cmake): Correct macOS KEXT build using absolute SDK paths #992

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Merged
opcm merged 2 commits into from
Dec 6, 2025
+16 −2
Merged

fix(cmake): Correct macOS KEXT build using absolute SDK paths #992

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4677646
fix(cmake): Correct macOS KEXT build using absolute SDK paths
darren Dec 6, 2025
4c122ae
add error handling in CMakeLists.txt
opcm Dec 6, 2025
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18 changes: 16 additions & 2 deletions src/MacMSRDriver/PcmMsr/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -11,10 +11,24 @@ add_executable(

set_target_properties(PcmMsrDriver PROPERTIES BUNDLE_EXTENSION kext MACOSX_BUNDLE_INFO_PLIST ${CMAKE_CURRENT_SOURCE_DIR}/PcmMsr-Info.plist)

# For KEXT compilation on macOS, we must explicitly point to the Kernel frameworks within the SDK.
if(APPLE)
# Find the active macOS SDK path
execute_process(
COMMAND xcrun --sdk macosx --show-sdk-path
OUTPUT_VARIABLE MACOSX_SDK_PATH
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE XCRUN_RESULT
)
if(NOT XCRUN_RESULT EQUAL 0 OR NOT MACOSX_SDK_PATH)
message(FATAL_ERROR "Failed to find macOS SDK path using xcrun")
endif()
message(STATUS "Using SDK for KEXT: ${MACOSX_SDK_PATH}")
endif()

target_include_directories(PcmMsrDriver PRIVATE
${CMAKE_OSX_SYSROOT}/System/Library/Frameworks/Kernel.framework/PrivateHeaders
${CMAKE_OSX_SYSROOT}/System/Library/Frameworks/Kernel.framework/Headers
"${MACOSX_SDK_PATH}/System/Library/Frameworks/Kernel.framework/PrivateHeaders"
"${MACOSX_SDK_PATH}/System/Library/Frameworks/Kernel.framework/Headers"
)
target_compile_definitions(PcmMsrDriver PRIVATE
-DKERNEL
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