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The CMake documentation starting with version 3.4 on the FindOpenSSL page says:

将OPENSSL_USE_STATIC_LIBS设置为TRUE，以查找静态库.

Set OPENSSL_USE_STATIC_LIBS to TRUE to look for static libraries.

(假设找到它们，将使用它们)

(Assuming if they are found they will be used)

示例:

cmake_minimum_required(VERSION 3.4)
project(Foo)

set(SOURCE_FILES main.cpp)

set(OPENSSL_USE_STATIC_LIBS TRUE)
find_package(OpenSSL REQUIRED)

add_executable(${PROJECT_NAME} ${SOURCE_FILES})
target_link_libraries(${PROJECT_NAME} OpenSSL::Crypto)