[HOOK - conan-center.py] pre_export(): WARN: [FPIC OPTION (KB-H006)] This recipe does not include an 'fPIC' option. Make sure you are using the right casing mosquitto/2.0.3: WARN: Build folder is dirty, removing it: C:\J\w\cci_PR-3949\.conan\data\mosquitto\2.0.3\_\_\build\dd527d3ce1ee5d0137aafe4e1a15fbe799cd0f96 CMake Error at C:/Program Files/CMake/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:146 (message): Could NOT find OpenSSL, try to set the path to OpenSSL root folder in the system variable OPENSSL_ROOT_DIR (missing: OPENSSL_CRYPTO_LIBRARY OPENSSL_INCLUDE_DIR) Call Stack (most recent call first): C:/Program Files/CMake/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:393 (_FPHSA_FAILURE_MESSAGE) C:/Program Files/CMake/share/cmake-3.16/Modules/FindOpenSSL.cmake:447 (find_package_handle_standard_args) CMakeLists.txt:36 (find_package) mosquitto/2.0.3: ERROR: Package 'dd527d3ce1ee5d0137aafe4e1a15fbe799cd0f96' build failed mosquitto/2.0.3: WARN: Build folder C:\J\w\cci_PR-3949\.conan\data\mosquitto\2.0.3\_\_\build\dd527d3ce1ee5d0137aafe4e1a15fbe799cd0f96 ERROR: mosquitto/2.0.3: Error in build() method, line 85 cmake = self._configure_cmake() while calling '_configure_cmake', line 62 self._cmake.configure(source_folder=self._source_subfolder) ConanException: Error 1 while executing cd C:\J\w\cci_PR-3949\.conan\data\mosquitto\2.0.3\_\_\build\dd527d3ce1ee5d0137aafe4e1a15fbe799cd0f96 && cmake -G "Visual Studio 14 2015 Win64" -DCONAN_LINK_RUNTIME="/MT" -DCONAN_IN_LOCAL_CACHE="ON" -DCONAN_COMPILER="Visual Studio" -DCONAN_COMPILER_VERSION="14" -DCONAN_CXX_FLAGS="/MP1" -DCONAN_C_FLAGS="/MP1" -DBUILD_SHARED_LIBS="OFF" -DCMAKE_INSTALL_PREFIX="C:\J\w\cci_PR-3949\.conan\data\mosquitto\2.0.3\_\_\package\dd527d3ce1ee5d0137aafe4e1a15fbe799cd0f96" -DCMAKE_INSTALL_BINDIR="bin" -DCMAKE_INSTALL_SBINDIR="bin" -DCMAKE_INSTALL_LIBEXECDIR="bin" -DCMAKE_INSTALL_LIBDIR="lib" -DCMAKE_INSTALL_INCLUDEDIR="include" -DCMAKE_INSTALL_OLDINCLUDEDIR="include" -DCMAKE_INSTALL_DATAROOTDIR="share" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -DWITH_THREADING="False" -DWITH_PIC="False" -DWITH_STATIC_LIBRARIES="True" -DWITH_TLS="True" -DWITH_CLIENTS="False" -DWITH_BROKER="False" -DWITH_APPS="False" -DWITH_PLUGINS="False" -DDOCUMENTATION="False" -Wno-dev C:\J\w\cci_PR-3949\.conan\data\mosquitto\2.0.3\_\_\build\dd527d3ce1ee5d0137aafe4e1a15fbe799cd0f96\source_subfolder