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Don't treat Paho warnings as errors on GCC/Clang #27

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Merged
Unsttopabull merged 1 commit into from
Nov 9, 2026
Merged

Don't treat Paho warnings as errors on GCC/Clang #27

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51 changes: 28 additions & 23 deletions external/paho_mqtt_c/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -23,31 +23,36 @@ opendaq_dependency(
if (paho_mqtt_c_FETCHED)


# Apply WIN32_LEAN_AND_MEAN to the Paho MQTT C library as well
if(WIN32)
# Add global compile definition to prevent inclusion of winsock.h and force winsock2.h
foreach(tgt
paho-mqtt3a
paho-mqtt3a-static
paho-mqtt3c
paho-mqtt3c-static
paho-mqtt3as
paho-mqtt3as-static
common_obj
common_ssl_obj
common_obj_static
common_ssl_obj_static
)
if(TARGET ${tgt})
foreach(tgt
paho-mqtt3a
paho-mqtt3a-static
paho-mqtt3c
paho-mqtt3c-static
paho-mqtt3as
paho-mqtt3as-static
common_obj
common_ssl_obj
common_obj_static
common_ssl_obj_static
)
if(TARGET ${tgt})
# Apply WIN32_LEAN_AND_MEAN to the Paho MQTT C library as well
if(WIN32)
# Add global compile definition to prevent inclusion of winsock.h and force winsock2.h
target_compile_definitions("${tgt}" PRIVATE _WINSOCKAPI_ NOMINMAX WIN32_LEAN_AND_MEAN)
if(MSVC)
target_compile_options(${tgt} PRIVATE /WX- /W0)
endif()
endif()
endforeach()
if(MSVC)
target_compile_options(Base64Test PRIVATE /WX- /W0)
target_compile_options(Sha1Test PRIVATE /WX- /W0)

# Don't let warnings in third-party Paho code fail the build (e.g. GCC 15 with
# glibc 2.43 reports discarded-qualifiers on strrchr() in MQTTProtocolOut.c)
if(MSVC)
target_compile_options(${tgt} PRIVATE /WX- /W0)
else()
target_compile_options(${tgt} PRIVATE -Wno-error)
endif()
endif()
endforeach()
if(MSVC)
target_compile_options(Base64Test PRIVATE /WX- /W0)
target_compile_options(Sha1Test PRIVATE /WX- /W0)
endif()
endif()
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