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Added from_hex for OpenSSL version parsing (#26730)

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(cherry picked from commit 657970fb69)
This commit is contained in:
Trulsrock
2021-07-21 19:00:49 +01:00
committed by Shauren
parent 6cc8bebdd6
commit 65521a40d2
1 changed files with 30 additions and 0 deletions
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30
cmake/macros/FindOpenSSL.cmake
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@@ -439,6 +439,36 @@ else()
mark_as_advanced(OPENSSL_CRYPTO_LIBRARY OPENSSL_SSL_LIBRARY)
endif()
function(from_hex HEX DEC)
string(TOUPPER "${HEX}" HEX)
set(_res 0)
string(LENGTH "${HEX}" _strlen)
while (_strlen GREATER 0)
math(EXPR _res "${_res} * 16")
string(SUBSTRING "${HEX}" 0 1 NIBBLE)
string(SUBSTRING "${HEX}" 1 -1 HEX)
if (NIBBLE STREQUAL "A")
math(EXPR _res "${_res} + 10")
elseif (NIBBLE STREQUAL "B")
math(EXPR _res "${_res} + 11")
elseif (NIBBLE STREQUAL "C")
math(EXPR _res "${_res} + 12")
elseif (NIBBLE STREQUAL "D")
math(EXPR _res "${_res} + 13")
elseif (NIBBLE STREQUAL "E")
math(EXPR _res "${_res} + 14")
elseif (NIBBLE STREQUAL "F")
math(EXPR _res "${_res} + 15")
else()
math(EXPR _res "${_res} + ${NIBBLE}")
endif()
string(LENGTH "${HEX}" _strlen)
endwhile()
set(${DEC} ${_res} PARENT_SCOPE)
endfunction(from_hex)
set(OPENSSL_SSL_LIBRARIES ${OPENSSL_SSL_LIBRARY})
set(OPENSSL_CRYPTO_LIBRARIES ${OPENSSL_CRYPTO_LIBRARY})