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Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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This commit is contained in:
Alexander Alekhin
2021-02-21 20:14:09 +00:00
parent 1d0334fc07 98c2ccfaa3
commit 0a6f216f83
28 changed files with 104 additions and 36 deletions
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cmake/OpenCVFindLibsGrfmt.cmake
+9 -1
View File
@@ -7,9 +7,17 @@ if(BUILD_ZLIB)
ocv_clear_vars(ZLIB_FOUND)
else()
ocv_clear_internal_cache_vars(ZLIB_LIBRARY ZLIB_INCLUDE_DIR)
if(ANDROID)
set(_zlib_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
set(CMAKE_FIND_LIBRARY_SUFFIXES .so)
endif()
find_package(ZLIB "${MIN_VER_ZLIB}")
if(ANDROID)
set(CMAKE_FIND_LIBRARY_SUFFIXES ${_zlib_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
unset(_zlib_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES)
endif()
if(ZLIB_FOUND AND ANDROID)
if(ZLIB_LIBRARIES MATCHES "/usr/(lib|lib32|lib64)/libz.so$")
if(ZLIB_LIBRARIES MATCHES "/usr/lib.*/libz.so$")
set(ZLIB_LIBRARIES z)
endif()
endif()
cmake/OpenCVUtils.cmake
+5 -1
View File
@@ -564,7 +564,11 @@ macro(ocv_check_flag_support lang flag varname base_options)
elseif("_${lang}_" MATCHES "_C_")
set(_lang C)
elseif("_${lang}_" MATCHES "_OBJCXX_")
set(_lang OBJCXX)
if(DEFINED CMAKE_OBJCXX_COMPILER) # CMake 3.16+ and enable_language(OBJCXX) call are required
set(_lang OBJCXX)
else()
set(_lang CXX)
endif()
else()
set(_lang ${lang})
endif()