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cmake: reset __content variable if file doesn't exist

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Resolves CMake error after relaunch with updated source code:
Cannot find source file:
    modules/dnn/layers/layers_common.avx512_skx.cpp
This commit is contained in:
Alexander Alekhin 2018-02-12 17:30:53 +03:00
parent 17233c687e
commit 14032c6653
1 changed files with 2 additions and 0 deletions
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2
cmake/OpenCVCompilerOptimizations.cmake
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@ -760,6 +760,8 @@ macro(ocv_add_dispatched_file filename)
set(__file "${CMAKE_CURRENT_BINARY_DIR}/${filename}.${OPT_LOWER}.cpp")
if(EXISTS "${__file}")
file(READ "${__file}" __content)
else()
set(__content "")
endif()
if(__content STREQUAL __codestr)
#message(STATUS "${__file} contains up-to-date content")