vasilito
cb424d7448
verify-patch-sanity.py validates every active recipe .patch has internally- consistent hunk line counts — catching the 'malformed patch at line N' failure at commit/CI/preflight time instead of hours into a cook. This cycle hit that class three times (qtwaylandscanner, sddm, xwayland), each only discovered when cookbook tried to apply the patch. Running it across the repo found 29 latent malformed patches (validated against GNU patch: e.g. relibc/P3-sysv-ipc reproduces 'malformed patch at line 22'). They were harmless only because they sit in vendored recipes (baked, not re- applied) — but would fail on any version-bump re-derivation. --fix recounts the hunk headers (body untouched) and repaired all 29. Wired into build-preflight.sh (Phase 1.0D) and redbear-ci.yml, with a unit test (test-patch-sanity.sh). Skips archived/legacy trees and unvalidatable formats (empty placeholders, bare-@@ git hunks).
101 lines
3.2 KiB
CMake
101 lines
3.2 KiB
CMake
# A collection of helper CMake functions to detect hardware capabilities. At
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# the moment these are used when configuring MLIR integration tests.
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# Checks whether the specified hardware capability is supported by the host
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# Linux system. This is implemented by checking auxiliary vector feature
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# provided by the Linux kernel.
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#
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# check_hwcap(
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# hwcap_spec
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# output_var
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# )
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#
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# hwcap_spec - HWCAP value to check - these are defined in hwcap.h in the Linux
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# kernel.
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#
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# output_var - Output variable to use to save the results (TRUE for supported,
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# FALSE for not supported).
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#
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# EXAMPLES:
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#
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# check_hwcap("HWCAP2_SME" SME_EMULATOR_REQUIRED)
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#
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function(check_hwcap hwcap_spec output)
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set(hwcap_test_src
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[====[
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#include <asm/hwcap.h>
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#include <sys/auxv.h>
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int main(void)
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{
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long hwcaps = getauxval(AT_<HWCAP_VEC>);
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return (hwcaps & <HWCAP_SPEC>) != 0;
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}
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]====]
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)
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# Extract from $hwcap_spec whether this is AT_HWCAP or AT_HWCAP2
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string(FIND ${hwcap_spec} "_" wsloc)
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string(SUBSTRING ${hwcap_spec} 0 ${wsloc} hwcap_vec)
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string(REPLACE "<HWCAP_VEC>" ${hwcap_vec} hwcap_test_src "${hwcap_test_src}")
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string(REPLACE "<HWCAP_SPEC>" ${hwcap_spec} hwcap_test_src "${hwcap_test_src}")
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set(hwcap_test_file ${CMAKE_BINARY_DIR}/temp/hwcap_check.c)
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file(WRITE ${hwcap_test_file} "${hwcap_test_src}")
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# Compile _and_ run
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try_run(
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test_run_result test_compile_result
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"${CMAKE_BINARY_DIR}"
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"${hwcap_test_file}"
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)
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# Compilation will fail if hwcap_spec is not defined - this usually means
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# that your Linux kernel is too old.
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if(${test_compile_result} AND (DEFINED test_run_result))
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message(STATUS "Checking whether ${hwcap_spec} is supported by the host system: ${test_run_result}")
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set(${output} ${test_run_result} PARENT_SCOPE)
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else()
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message(STATUS "Checking whether ${hwcap_spec} is supported by the host system: FALSE")
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endif()
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endfunction(check_hwcap)
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# For the given group of e2e tests (defined by the `mlir_e2e_tests` flag),
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# checks whether an emulator is required. If yes, verifies that the
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# corresponding CMake var pointing to an emulator (`emulator_exec`) has been
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# set.
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#
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# check_emulator(
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# mlir_e2e_tests
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# hwcap_spec
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# emulator_exec
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# )
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#
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# mlir_e2e_tests - MLIR CMake variables corresponding to the group of e2e tests
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# to check
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# hwcap_spec - HWCAP value to check. This should correspond to the hardware
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# capabilities required by the tests to be checked. Possible
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# values are defined in hwcap.h in the Linux kernel.
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# emulator_exec - variable the defines the emulator (ought to be set if
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# required, can be empty otherwise).
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#
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# EXAMPLES:
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#
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# check_emulator(MLIR_RUN_ARM_SVE_TESTS "HWCAP_SVE" ARM_EMULATOR_EXECUTABLE)
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#
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function(check_emulator mlir_e2e_tests hwcap_spec emulator_exec)
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if (NOT ${mlir_e2e_tests})
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return()
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endif()
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check_hwcap(${hwcap_spec} emulator_not_required)
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if (${emulator_not_required})
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return()
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endif()
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if (${emulator_exec} STREQUAL "")
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message(FATAL_ERROR "${mlir_e2e_tests} requires an emulator, but ${emulator_exec} is not set")
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endif()
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endfunction()
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