Known Issues in ThingWorx C SDK 3.1.0

Release Notes for ThingWorx C SDK > ThingWorx C SDK 3.1.0 > Known Issues in ThingWorx C SDK 3.1.0

The following known issue is present in the ThingWorx C SDK 3.1.0 release:

Known Issue	Solution
Unable to build C SCM 1.0.2.783 on Windows with C SDK 3.1.0.	Workaround: In the twCSdk.cmake file, replace if("${CMAKE_GENERATOR}" MATCHES "Win64" OR "${CMAKE_GENERATOR_PLATFORM}" STREQUAL "x64") set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk. dll" "${thingworxLibsDir}/libcrypto-l_l-x64.dll" "${thingworxLibsDir}/libssl-l_l-x64.dll") else() set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-l_l.dll" "${thingworxLibsDir}/libssl-l_l.dll" ) endif() with if("${CMAKE_GENERATOR}" MATCHES "Win64" OR "${CMAKE_GENERATOR_PLATFORM}" STREQUAL "x64") if(EXISTS "${thingworxLibsDir}/libcrypto-1_1-x64.dll") set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-1_1-x64.dll" "${thingworxLibsDir}/libssl-1_1-x64.dll") else() set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-3-x64.dll" "${thingworxLibsDir}/libssl-3-x64.dll") endif() else() if(EXISTS "${thingworxLibsDir}/libcrypto-1_1.dll") set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-1_1.dll" "${thingworxLibsDir}/libssl-1_1.dll") else() set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-3.dll" "${thingworxLibsDir}/libssl-3.dll") endif() endif()
The SCM Extension builds fail on Windows due to the missing openssl directory.	Workaround—A code change has to be made in SCM because the name of the OpenSSL, libcrypto, and libssl libraries have changed. This change involves copying these files from where they are installed into the SCM example directory. In the twCSdk.cmake file, replace set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-1_1-x64.dll" "${thingworxLibsDir}/libssl-1_1-x64.dll") else() set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-1_1.dll" "${thingworxLibsDir}/libssl-1_1.dll") with if(EXISTS "${thingworxLibsDir}/libcrypto-1_1-x64.dll") set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-1_1-x64.dll" "${thingworxLibsDir}/libssl-1_1-x64.dll") else() set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-3-x64.dll" "${thingworxLibsDir}/libssl-3-x64.dll") endif() else() if(EXISTS "${thingworxLibsDir}/libcrypto-1_1.dll") set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-1_1.dll" "${thingworxLibsDir}/libssl-1_1.dll") else() set(twcsdk_runtime_libs_windows "${thingworxLibsDir}/twCSdk.dll" "${thingworxLibsDir}/libcrypto-3.dll" "${thingworxLibsDir}/libssl-3.dll") endif()

Known Issue

Solution

Unable to build C SCM 1.0.2.783 on Windows with C SDK 3.1.0.

Workaround: In the twCSdk.cmake file, replace

if("${CMAKE_GENERATOR}" MATCHES "Win64" OR "${CMAKE_GENERATOR_PLATFORM}" STREQUAL "x64")
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk. dll"
"${thingworxLibsDir}/libcrypto-l_l-x64.dll"
"${thingworxLibsDir}/libssl-l_l-x64.dll")
else()
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-l_l.dll"
"${thingworxLibsDir}/libssl-l_l.dll" )
endif()

with

if("${CMAKE_GENERATOR}" MATCHES "Win64" OR "${CMAKE_GENERATOR_PLATFORM}" STREQUAL "x64")
if(EXISTS "${thingworxLibsDir}/libcrypto-1_1-x64.dll")
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-1_1-x64.dll"
"${thingworxLibsDir}/libssl-1_1-x64.dll")
else()
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-3-x64.dll"
"${thingworxLibsDir}/libssl-3-x64.dll")
endif()
else()
if(EXISTS "${thingworxLibsDir}/libcrypto-1_1.dll")
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-1_1.dll"
"${thingworxLibsDir}/libssl-1_1.dll")
else()
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-3.dll"
"${thingworxLibsDir}/libssl-3.dll")
endif()
endif()

The SCM Extension builds fail on Windows due to the missing openssl directory.

Workaround—A code change has to be made in SCM because the name of the OpenSSL, libcrypto, and libssl libraries have changed. This change involves copying these files from where they are installed into the SCM example directory.

In the twCSdk.cmake file, replace

set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-1_1-x64.dll"
"${thingworxLibsDir}/libssl-1_1-x64.dll")
else()
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-1_1.dll"
"${thingworxLibsDir}/libssl-1_1.dll")

with

if(EXISTS "${thingworxLibsDir}/libcrypto-1_1-x64.dll")
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-1_1-x64.dll"
"${thingworxLibsDir}/libssl-1_1-x64.dll")
else()
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-3-x64.dll"
"${thingworxLibsDir}/libssl-3-x64.dll")
endif()
else()
if(EXISTS "${thingworxLibsDir}/libcrypto-1_1.dll")
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-1_1.dll"
"${thingworxLibsDir}/libssl-1_1.dll")
else()
set(twcsdk_runtime_libs_windows
"${thingworxLibsDir}/twCSdk.dll"
"${thingworxLibsDir}/libcrypto-3.dll"
"${thingworxLibsDir}/libssl-3.dll")
endif()

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