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Merge pull request #26710 from Kumataro:fix26709

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core: validate OPENCV_ALGO_HINT_DEFAULT option
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Alexander Smorkalov 2025-01-09 15:44:19 +03:00 committed by GitHub
commit 0da8c760d3
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2 changed files with 8 additions and 1 deletions
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7
CMakeLists.txt
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@ -767,6 +767,13 @@ elseif(WIN32)
endif()
endif()
if(DEFINED OPENCV_ALGO_HINT_DEFAULT)
if(NOT OPENCV_ALGO_HINT_DEFAULT STREQUAL "ALGO_HINT_ACCURATE" AND
NOT OPENCV_ALGO_HINT_DEFAULT STREQUAL "ALGO_HINT_APPROX")
message(FATAL_ERROR "OPENCV_ALGO_HINT_DEFAULT should be one of ALGO_HINT_ACCURATE or ALGO_HINT_APPROX.")
endif()
endif()
include(cmake/OpenCVPCHSupport.cmake)
include(cmake/OpenCVModule.cmake)

2
doc/tutorials/introduction/config_reference/config_reference.markdown
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@ -217,7 +217,7 @@ Following options can be used to produce special builds with instrumentation or
| `ENABLE_BUILD_HARDENING` | GCC, Clang, MSVC | Enable compiler options which reduce possibility of code exploitation. |
| `ENABLE_LTO` | GCC, Clang, MSVC | Enable Link Time Optimization (LTO). |
| `ENABLE_THIN_LTO` | Clang | Enable thin LTO which incorporates intermediate bitcode to binaries allowing consumers optimize their applications later. |
| `OPENCV_ALGO_HINT_DEFAULT` | Any | Set default OpenCV implementation hint value: `ALGO_HINT_ACCURATE` or `ALGO_HINT_APROX`. Dangerous! The option changes behaviour globally and may affect accuracy of many algorithms. |
| `OPENCV_ALGO_HINT_DEFAULT` | Any | Set default OpenCV implementation hint value: `ALGO_HINT_ACCURATE` or `ALGO_HINT_APPROX`. Dangerous! The option changes behaviour globally and may affect accuracy of many algorithms. |
@see [GCC instrumentation](https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html)
@see [Build hardening](https://en.wikipedia.org/wiki/Hardening_(computing))