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cmake: add DEBUG_PRE/DEBUG_POST commands handling

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Useful for debug purposes:
    cmake -DDEBUG_POST="ocv_cmake_dump_vars(CUDA)" .
    cmake -DCMAKE_PRE="ocv_cmake_dump_vars(\"OPENCL|opencl\")" .
This commit is contained in:
Alexander Alekhin
2016-01-15 14:03:48 +03:00
committed by Alexander Alekhin
parent 36d7712c2c
commit 5ac15f09ed
2 changed files with 13 additions and 0 deletions
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cmake/OpenCVUtils.cmake
+10
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@@ -42,6 +42,16 @@ function(ocv_cmake_dump_vars)
endif()
endfunction()
function(ocv_cmake_eval var_name)
if(DEFINED ${var_name})
file(WRITE "${CMAKE_BINARY_DIR}/CMakeCommand-${var_name}.cmake" ${${var_name}})
include("${CMAKE_BINARY_DIR}/CMakeCommand-${var_name}.cmake")
endif()
if(";${ARGN};" MATCHES ";ONCE;")
unset(${var_name} CACHE)
endif()
endfunction()
# assert macro
# Note: it doesn't support lists in arguments
# Usage samples: