mirror of
https://github.com/esp8266/Arduino.git
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exceptions: optionally enforce c++ standards (#6333)
* exceptions: 3 choices: legacy, std::new never returns 0, or exceptions enabled * arduino_new (doc, example, array)
This commit is contained in:
david gauchard
GitHub
parent
0a031ce957
commit
85f1ea7c78
210
boards.txt
210
boards.txt
@ -48,8 +48,11 @@ generic.menu.vt.heap=Heap
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generic.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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generic.menu.vt.iram=IRAM
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generic.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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generic.menu.exception.disabled=Disabled
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generic.menu.exception.disabled.build.exception_flags=-fno-exceptions
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generic.menu.exception.legacy=Legacy (new can return nullptr)
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generic.menu.exception.legacy.build.exception_flags=-fno-exceptions
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generic.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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generic.menu.exception.disabled=Disabled (new can abort)
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generic.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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generic.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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generic.menu.exception.enabled=Enabled
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generic.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -510,8 +513,11 @@ esp8285.menu.vt.heap=Heap
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esp8285.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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esp8285.menu.vt.iram=IRAM
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esp8285.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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esp8285.menu.exception.disabled=Disabled
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esp8285.menu.exception.disabled.build.exception_flags=-fno-exceptions
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esp8285.menu.exception.legacy=Legacy (new can return nullptr)
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esp8285.menu.exception.legacy.build.exception_flags=-fno-exceptions
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esp8285.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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esp8285.menu.exception.disabled=Disabled (new can abort)
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esp8285.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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esp8285.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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esp8285.menu.exception.enabled=Enabled
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esp8285.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -791,8 +797,11 @@ espduino.menu.vt.heap=Heap
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espduino.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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espduino.menu.vt.iram=IRAM
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espduino.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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espduino.menu.exception.disabled=Disabled
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espduino.menu.exception.disabled.build.exception_flags=-fno-exceptions
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espduino.menu.exception.legacy=Legacy (new can return nullptr)
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espduino.menu.exception.legacy.build.exception_flags=-fno-exceptions
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espduino.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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espduino.menu.exception.disabled=Disabled (new can abort)
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espduino.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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espduino.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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espduino.menu.exception.enabled=Enabled
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espduino.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -978,8 +987,11 @@ huzzah.menu.vt.heap=Heap
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huzzah.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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huzzah.menu.vt.iram=IRAM
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huzzah.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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huzzah.menu.exception.disabled=Disabled
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huzzah.menu.exception.disabled.build.exception_flags=-fno-exceptions
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huzzah.menu.exception.legacy=Legacy (new can return nullptr)
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huzzah.menu.exception.legacy.build.exception_flags=-fno-exceptions
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huzzah.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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huzzah.menu.exception.disabled=Disabled (new can abort)
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huzzah.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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huzzah.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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huzzah.menu.exception.enabled=Enabled
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huzzah.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -1166,8 +1178,11 @@ inventone.menu.vt.heap=Heap
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inventone.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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inventone.menu.vt.iram=IRAM
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inventone.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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inventone.menu.exception.disabled=Disabled
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inventone.menu.exception.disabled.build.exception_flags=-fno-exceptions
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inventone.menu.exception.legacy=Legacy (new can return nullptr)
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inventone.menu.exception.legacy.build.exception_flags=-fno-exceptions
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inventone.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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inventone.menu.exception.disabled=Disabled (new can abort)
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inventone.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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inventone.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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inventone.menu.exception.enabled=Enabled
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inventone.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -1354,8 +1369,11 @@ cw01.menu.vt.heap=Heap
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cw01.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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cw01.menu.vt.iram=IRAM
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cw01.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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cw01.menu.exception.disabled=Disabled
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cw01.menu.exception.disabled.build.exception_flags=-fno-exceptions
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cw01.menu.exception.legacy=Legacy (new can return nullptr)
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cw01.menu.exception.legacy.build.exception_flags=-fno-exceptions
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cw01.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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cw01.menu.exception.disabled=Disabled (new can abort)
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cw01.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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cw01.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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cw01.menu.exception.enabled=Enabled
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cw01.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -1545,8 +1563,11 @@ espresso_lite_v1.menu.vt.heap=Heap
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espresso_lite_v1.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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espresso_lite_v1.menu.vt.iram=IRAM
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espresso_lite_v1.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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espresso_lite_v1.menu.exception.disabled=Disabled
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espresso_lite_v1.menu.exception.disabled.build.exception_flags=-fno-exceptions
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espresso_lite_v1.menu.exception.legacy=Legacy (new can return nullptr)
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espresso_lite_v1.menu.exception.legacy.build.exception_flags=-fno-exceptions
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espresso_lite_v1.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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espresso_lite_v1.menu.exception.disabled=Disabled (new can abort)
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espresso_lite_v1.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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espresso_lite_v1.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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espresso_lite_v1.menu.exception.enabled=Enabled
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espresso_lite_v1.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -1736,8 +1757,11 @@ espresso_lite_v2.menu.vt.heap=Heap
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espresso_lite_v2.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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espresso_lite_v2.menu.vt.iram=IRAM
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espresso_lite_v2.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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espresso_lite_v2.menu.exception.disabled=Disabled
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espresso_lite_v2.menu.exception.disabled.build.exception_flags=-fno-exceptions
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espresso_lite_v2.menu.exception.legacy=Legacy (new can return nullptr)
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espresso_lite_v2.menu.exception.legacy.build.exception_flags=-fno-exceptions
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espresso_lite_v2.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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espresso_lite_v2.menu.exception.disabled=Disabled (new can abort)
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espresso_lite_v2.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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espresso_lite_v2.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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espresso_lite_v2.menu.exception.enabled=Enabled
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espresso_lite_v2.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -1927,8 +1951,11 @@ phoenix_v1.menu.vt.heap=Heap
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phoenix_v1.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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phoenix_v1.menu.vt.iram=IRAM
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phoenix_v1.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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phoenix_v1.menu.exception.disabled=Disabled
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phoenix_v1.menu.exception.disabled.build.exception_flags=-fno-exceptions
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phoenix_v1.menu.exception.legacy=Legacy (new can return nullptr)
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phoenix_v1.menu.exception.legacy.build.exception_flags=-fno-exceptions
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phoenix_v1.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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phoenix_v1.menu.exception.disabled=Disabled (new can abort)
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phoenix_v1.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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phoenix_v1.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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phoenix_v1.menu.exception.enabled=Enabled
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phoenix_v1.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -2118,8 +2145,11 @@ phoenix_v2.menu.vt.heap=Heap
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phoenix_v2.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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phoenix_v2.menu.vt.iram=IRAM
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phoenix_v2.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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phoenix_v2.menu.exception.disabled=Disabled
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phoenix_v2.menu.exception.disabled.build.exception_flags=-fno-exceptions
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phoenix_v2.menu.exception.legacy=Legacy (new can return nullptr)
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phoenix_v2.menu.exception.legacy.build.exception_flags=-fno-exceptions
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phoenix_v2.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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phoenix_v2.menu.exception.disabled=Disabled (new can abort)
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phoenix_v2.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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phoenix_v2.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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phoenix_v2.menu.exception.enabled=Enabled
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phoenix_v2.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -2309,8 +2339,11 @@ nodemcu.menu.vt.heap=Heap
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nodemcu.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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nodemcu.menu.vt.iram=IRAM
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nodemcu.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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nodemcu.menu.exception.disabled=Disabled
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nodemcu.menu.exception.disabled.build.exception_flags=-fno-exceptions
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nodemcu.menu.exception.legacy=Legacy (new can return nullptr)
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nodemcu.menu.exception.legacy.build.exception_flags=-fno-exceptions
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nodemcu.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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nodemcu.menu.exception.disabled=Disabled (new can abort)
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nodemcu.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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nodemcu.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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nodemcu.menu.exception.enabled=Enabled
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nodemcu.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -2497,8 +2530,11 @@ nodemcuv2.menu.vt.heap=Heap
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nodemcuv2.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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nodemcuv2.menu.vt.iram=IRAM
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nodemcuv2.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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nodemcuv2.menu.exception.disabled=Disabled
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nodemcuv2.menu.exception.disabled.build.exception_flags=-fno-exceptions
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nodemcuv2.menu.exception.legacy=Legacy (new can return nullptr)
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nodemcuv2.menu.exception.legacy.build.exception_flags=-fno-exceptions
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nodemcuv2.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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nodemcuv2.menu.exception.disabled=Disabled (new can abort)
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nodemcuv2.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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nodemcuv2.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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nodemcuv2.menu.exception.enabled=Enabled
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nodemcuv2.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -2685,8 +2721,11 @@ modwifi.menu.vt.heap=Heap
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modwifi.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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modwifi.menu.vt.iram=IRAM
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modwifi.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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modwifi.menu.exception.disabled=Disabled
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modwifi.menu.exception.disabled.build.exception_flags=-fno-exceptions
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modwifi.menu.exception.legacy=Legacy (new can return nullptr)
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modwifi.menu.exception.legacy.build.exception_flags=-fno-exceptions
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modwifi.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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modwifi.menu.exception.disabled=Disabled (new can abort)
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modwifi.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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modwifi.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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modwifi.menu.exception.enabled=Enabled
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modwifi.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -2893,8 +2932,11 @@ thing.menu.vt.heap=Heap
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thing.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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thing.menu.vt.iram=IRAM
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thing.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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thing.menu.exception.disabled=Disabled
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thing.menu.exception.disabled.build.exception_flags=-fno-exceptions
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thing.menu.exception.legacy=Legacy (new can return nullptr)
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thing.menu.exception.legacy.build.exception_flags=-fno-exceptions
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thing.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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thing.menu.exception.disabled=Disabled (new can abort)
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thing.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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thing.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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thing.menu.exception.enabled=Enabled
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thing.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -3081,8 +3123,11 @@ thingdev.menu.vt.heap=Heap
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thingdev.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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thingdev.menu.vt.iram=IRAM
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thingdev.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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thingdev.menu.exception.disabled=Disabled
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thingdev.menu.exception.disabled.build.exception_flags=-fno-exceptions
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thingdev.menu.exception.legacy=Legacy (new can return nullptr)
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thingdev.menu.exception.legacy.build.exception_flags=-fno-exceptions
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thingdev.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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thingdev.menu.exception.disabled=Disabled (new can abort)
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thingdev.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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thingdev.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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thingdev.menu.exception.enabled=Enabled
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thingdev.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -3269,8 +3314,11 @@ esp210.menu.vt.heap=Heap
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esp210.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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esp210.menu.vt.iram=IRAM
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esp210.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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esp210.menu.exception.disabled=Disabled
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esp210.menu.exception.disabled.build.exception_flags=-fno-exceptions
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esp210.menu.exception.legacy=Legacy (new can return nullptr)
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esp210.menu.exception.legacy.build.exception_flags=-fno-exceptions
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esp210.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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esp210.menu.exception.disabled=Disabled (new can abort)
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esp210.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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esp210.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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esp210.menu.exception.enabled=Enabled
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esp210.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -3457,8 +3505,11 @@ d1_mini.menu.vt.heap=Heap
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d1_mini.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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d1_mini.menu.vt.iram=IRAM
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d1_mini.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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d1_mini.menu.exception.disabled=Disabled
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d1_mini.menu.exception.disabled.build.exception_flags=-fno-exceptions
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d1_mini.menu.exception.legacy=Legacy (new can return nullptr)
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d1_mini.menu.exception.legacy.build.exception_flags=-fno-exceptions
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d1_mini.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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d1_mini.menu.exception.disabled=Disabled (new can abort)
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d1_mini.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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d1_mini.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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d1_mini.menu.exception.enabled=Enabled
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d1_mini.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -3645,8 +3696,11 @@ d1_mini_pro.menu.vt.heap=Heap
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d1_mini_pro.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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d1_mini_pro.menu.vt.iram=IRAM
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d1_mini_pro.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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d1_mini_pro.menu.exception.disabled=Disabled
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d1_mini_pro.menu.exception.disabled.build.exception_flags=-fno-exceptions
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d1_mini_pro.menu.exception.legacy=Legacy (new can return nullptr)
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d1_mini_pro.menu.exception.legacy.build.exception_flags=-fno-exceptions
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d1_mini_pro.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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d1_mini_pro.menu.exception.disabled=Disabled (new can abort)
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d1_mini_pro.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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d1_mini_pro.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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d1_mini_pro.menu.exception.enabled=Enabled
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d1_mini_pro.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -3816,8 +3870,11 @@ d1_mini_lite.menu.vt.heap=Heap
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d1_mini_lite.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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d1_mini_lite.menu.vt.iram=IRAM
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d1_mini_lite.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
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d1_mini_lite.menu.exception.disabled=Disabled
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d1_mini_lite.menu.exception.disabled.build.exception_flags=-fno-exceptions
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d1_mini_lite.menu.exception.legacy=Legacy (new can return nullptr)
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d1_mini_lite.menu.exception.legacy.build.exception_flags=-fno-exceptions
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d1_mini_lite.menu.exception.legacy.build.stdcpp_lib=-lstdc++
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d1_mini_lite.menu.exception.disabled=Disabled (new can abort)
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d1_mini_lite.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
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d1_mini_lite.menu.exception.disabled.build.stdcpp_lib=-lstdc++
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d1_mini_lite.menu.exception.enabled=Enabled
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d1_mini_lite.menu.exception.enabled.build.exception_flags=-fexceptions
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@ -4044,8 +4101,11 @@ d1.menu.vt.heap=Heap
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d1.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
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d1.menu.vt.iram=IRAM
|
||||
d1.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
d1.menu.exception.disabled=Disabled
|
||||
d1.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
d1.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
d1.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
d1.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
d1.menu.exception.disabled=Disabled (new can abort)
|
||||
d1.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
d1.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
d1.menu.exception.enabled=Enabled
|
||||
d1.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -4232,8 +4292,11 @@ espino.menu.vt.heap=Heap
|
||||
espino.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
espino.menu.vt.iram=IRAM
|
||||
espino.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
espino.menu.exception.disabled=Disabled
|
||||
espino.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
espino.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
espino.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
espino.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
espino.menu.exception.disabled=Disabled (new can abort)
|
||||
espino.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
espino.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
espino.menu.exception.enabled=Enabled
|
||||
espino.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -4423,8 +4486,11 @@ espinotee.menu.vt.heap=Heap
|
||||
espinotee.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
espinotee.menu.vt.iram=IRAM
|
||||
espinotee.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
espinotee.menu.exception.disabled=Disabled
|
||||
espinotee.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
espinotee.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
espinotee.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
espinotee.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
espinotee.menu.exception.disabled=Disabled (new can abort)
|
||||
espinotee.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
espinotee.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
espinotee.menu.exception.enabled=Enabled
|
||||
espinotee.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -4628,8 +4694,11 @@ wifinfo.menu.vt.heap=Heap
|
||||
wifinfo.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
wifinfo.menu.vt.iram=IRAM
|
||||
wifinfo.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
wifinfo.menu.exception.disabled=Disabled
|
||||
wifinfo.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
wifinfo.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
wifinfo.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
wifinfo.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
wifinfo.menu.exception.disabled=Disabled (new can abort)
|
||||
wifinfo.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
wifinfo.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
wifinfo.menu.exception.enabled=Enabled
|
||||
wifinfo.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -4871,8 +4940,11 @@ arduino-esp8266.menu.vt.heap=Heap
|
||||
arduino-esp8266.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
arduino-esp8266.menu.vt.iram=IRAM
|
||||
arduino-esp8266.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
arduino-esp8266.menu.exception.disabled=Disabled
|
||||
arduino-esp8266.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
arduino-esp8266.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
arduino-esp8266.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
arduino-esp8266.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
arduino-esp8266.menu.exception.disabled=Disabled (new can abort)
|
||||
arduino-esp8266.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
arduino-esp8266.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
arduino-esp8266.menu.exception.enabled=Enabled
|
||||
arduino-esp8266.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -5060,8 +5132,11 @@ gen4iod.menu.vt.heap=Heap
|
||||
gen4iod.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
gen4iod.menu.vt.iram=IRAM
|
||||
gen4iod.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
gen4iod.menu.exception.disabled=Disabled
|
||||
gen4iod.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
gen4iod.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
gen4iod.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
gen4iod.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
gen4iod.menu.exception.disabled=Disabled (new can abort)
|
||||
gen4iod.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
gen4iod.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
gen4iod.menu.exception.enabled=Enabled
|
||||
gen4iod.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -5249,8 +5324,11 @@ oak.menu.vt.heap=Heap
|
||||
oak.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
oak.menu.vt.iram=IRAM
|
||||
oak.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
oak.menu.exception.disabled=Disabled
|
||||
oak.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
oak.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
oak.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
oak.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
oak.menu.exception.disabled=Disabled (new can abort)
|
||||
oak.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
oak.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
oak.menu.exception.enabled=Enabled
|
||||
oak.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -5437,8 +5515,11 @@ wifiduino.menu.vt.heap=Heap
|
||||
wifiduino.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
wifiduino.menu.vt.iram=IRAM
|
||||
wifiduino.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
wifiduino.menu.exception.disabled=Disabled
|
||||
wifiduino.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
wifiduino.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
wifiduino.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
wifiduino.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
wifiduino.menu.exception.disabled=Disabled (new can abort)
|
||||
wifiduino.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
wifiduino.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
wifiduino.menu.exception.enabled=Enabled
|
||||
wifiduino.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -5625,8 +5706,11 @@ wifi_slot.menu.vt.heap=Heap
|
||||
wifi_slot.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
wifi_slot.menu.vt.iram=IRAM
|
||||
wifi_slot.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
wifi_slot.menu.exception.disabled=Disabled
|
||||
wifi_slot.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
wifi_slot.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
wifi_slot.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
wifi_slot.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
wifi_slot.menu.exception.disabled=Disabled (new can abort)
|
||||
wifi_slot.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
wifi_slot.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
wifi_slot.menu.exception.enabled=Enabled
|
||||
wifi_slot.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -5923,8 +6007,11 @@ wiolink.menu.vt.heap=Heap
|
||||
wiolink.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
wiolink.menu.vt.iram=IRAM
|
||||
wiolink.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
wiolink.menu.exception.disabled=Disabled
|
||||
wiolink.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
wiolink.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
wiolink.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
wiolink.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
wiolink.menu.exception.disabled=Disabled (new can abort)
|
||||
wiolink.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
wiolink.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
wiolink.menu.exception.enabled=Enabled
|
||||
wiolink.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
@ -6111,8 +6198,11 @@ espectro.menu.vt.heap=Heap
|
||||
espectro.menu.vt.heap.build.vtable_flags=-DVTABLES_IN_DRAM
|
||||
espectro.menu.vt.iram=IRAM
|
||||
espectro.menu.vt.iram.build.vtable_flags=-DVTABLES_IN_IRAM
|
||||
espectro.menu.exception.disabled=Disabled
|
||||
espectro.menu.exception.disabled.build.exception_flags=-fno-exceptions
|
||||
espectro.menu.exception.legacy=Legacy (new can return nullptr)
|
||||
espectro.menu.exception.legacy.build.exception_flags=-fno-exceptions
|
||||
espectro.menu.exception.legacy.build.stdcpp_lib=-lstdc++
|
||||
espectro.menu.exception.disabled=Disabled (new can abort)
|
||||
espectro.menu.exception.disabled.build.exception_flags=-fno-exceptions -DNEW_OOM_ABORT
|
||||
espectro.menu.exception.disabled.build.stdcpp_lib=-lstdc++
|
||||
espectro.menu.exception.enabled=Enabled
|
||||
espectro.menu.exception.enabled.build.exception_flags=-fexceptions
|
||||
|
||||
@ -32,7 +32,7 @@ extern "C" void __cxa_pure_virtual(void) __attribute__ ((__noreturn__));
|
||||
extern "C" void __cxa_deleted_virtual(void) __attribute__ ((__noreturn__));
|
||||
|
||||
|
||||
#ifndef __cpp_exceptions
|
||||
#if !defined(__cpp_exceptions) && !defined(NEW_OOM_ABORT)
|
||||
void *operator new(size_t size)
|
||||
{
|
||||
void *ret = malloc(size);
|
||||
@ -52,7 +52,7 @@ void *operator new[](size_t size)
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
#endif // arduino's std::new legacy
|
||||
|
||||
void __cxa_pure_virtual(void)
|
||||
{
|
||||
|
||||
@ -32,6 +32,37 @@
|
||||
|
||||
#define WIFI_HAS_EVENT_CALLBACK
|
||||
|
||||
#ifdef __cplusplus
|
||||
|
||||
#include <stdlib.h> // malloc()
|
||||
#include <stddef.h> // size_t
|
||||
|
||||
namespace arduino
|
||||
{
|
||||
extern "C++"
|
||||
template <typename T, typename ...TConstructorArgs>
|
||||
T* new0 (size_t n, TConstructorArgs... TconstructorArgs)
|
||||
{
|
||||
// n==0: single allocation, otherwise it is an array
|
||||
size_t offset = n? sizeof(size_t): 0;
|
||||
size_t arraysize = n? n: 1;
|
||||
T* ptr = (T*)malloc(offset + (arraysize * sizeof(T)));
|
||||
if (ptr)
|
||||
{
|
||||
if (n)
|
||||
*(size_t*)(ptr) = n;
|
||||
for (size_t i = 0; i < arraysize; i++)
|
||||
new (ptr + offset + i * sizeof(T)) T(TconstructorArgs...);
|
||||
return ptr + offset;
|
||||
}
|
||||
return nullptr;
|
||||
}
|
||||
}
|
||||
|
||||
#define arduino_new(Type, ...) arduino::new0<Type>(0, ##__VA_ARGS__)
|
||||
#define arduino_newarray(Type, n, ...) arduino::new0<Type>(n, ##__VA_ARGS__)
|
||||
|
||||
#endif // __cplusplus
|
||||
|
||||
#ifndef __STRINGIFY
|
||||
#define __STRINGIFY(a) #a
|
||||
@ -61,4 +92,4 @@ inline uint32_t esp_get_cycle_count() {
|
||||
}
|
||||
#endif // not CORE_MOCK
|
||||
|
||||
#endif
|
||||
#endif // CORE_ESP8266_FEATURES_H
|
||||
|
||||
@ -215,3 +215,75 @@ using FPSTR would become...
|
||||
String response2;
|
||||
response2 += FPSTR(HTTP);
|
||||
}
|
||||
|
||||
C++
|
||||
----
|
||||
|
||||
- About C++ exceptions, ``operator new``, and Exceptions menu option
|
||||
|
||||
The C++ standard says the following about the ``new`` operator behavior when encountering heap shortage (memory full):
|
||||
|
||||
- has to throw a ``std::bad_alloc`` C++ exception when they are enabled
|
||||
|
||||
- will ``abort()`` otherwise
|
||||
|
||||
There are several reasons for the first point above, among which are:
|
||||
|
||||
- guarantee that the return of new is never a ``nullptr``
|
||||
|
||||
- guarantee full construction of the top level object plus all member subobjects
|
||||
|
||||
- guarantee that any subobjects partially constructed get destroyed, and in the correct order, if oom is encountered midway through construction
|
||||
|
||||
When C++ exceptions are disabled, or when using ``new(nothrow)``, the above guarantees can't be upheld, so the second point (``abort()``) above is the only ``std::c++`` viable solution.
|
||||
|
||||
Historically in Arduino environments, ``new`` is overloaded to simply return the equivalent ``malloc()`` which in turn can return ``nullptr``.
|
||||
|
||||
This behavior is not C++ standard, and there is good reason for that: there are hidden and very bad side effects. The *class and member constructors are always called, even when memory is full* (``this == nullptr``).
|
||||
In addition, the memory allocation for the top object could succeed, but allocation required for some member object could fail, leaving construction in an undefined state.
|
||||
So the historical behavior of Ardudino's ``new``, when faced with insufficient memory, will lead to bad crashes sooner or later, sometimes unexplainable, generally due to memory corruption even when the returned value is checked and managed.
|
||||
Luckily on esp8266, trying to update RAM near address 0 will immediately raise an hardware exception, unlike on other uC like avr on which that memory can be accessible.
|
||||
|
||||
As of core 2.6.0, there are 3 options: legacy (default) and two clear cases when ``new`` encounters oom:
|
||||
|
||||
- ``new`` returns ``nullptr``, with possible bad effects or immediate crash when constructors (called anyway) initialize members (exceptions are disabled in this case)
|
||||
|
||||
- C++ exceptions are disabled: ``new`` calls ``abort()`` and will "cleanly" crash, because there is no way to honor memory allocation or to recover gracefully.
|
||||
|
||||
- C++ exceptions are enabled: ``new`` throws a ``std::bad_alloc`` C++ exception, which can be caught and handled gracefully.
|
||||
This assures correct behavior, including handling of all subobjects, which guarantees stability.
|
||||
|
||||
History: `#6269 <https://github.com/esp8266/Arduino/issues/6269>`__ `#6309 <https://github.com/esp8266/Arduino/pull/6309>`__ `#6312 <https://github.com/esp8266/Arduino/pull/6312>`__
|
||||
|
||||
- New optional allocator ``arduino_new``
|
||||
|
||||
A new optional global allocator is introduced with a different semantic:
|
||||
|
||||
- never throws exceptions on oom
|
||||
|
||||
- never calls constructors on oom
|
||||
|
||||
- returns nullptr on oom
|
||||
|
||||
It is similar to arduino ``new`` semantic without side effects
|
||||
(except when parent constructors, or member constructors use ``new``).
|
||||
|
||||
Syntax is slightly different, the following shows the different usages:
|
||||
|
||||
.. code:: cpp
|
||||
|
||||
// with new:
|
||||
|
||||
SomeClass* sc = new SomeClass(arg1, arg2, ...);
|
||||
delete sc;
|
||||
|
||||
SomeClass* scs = new SomeClass[42];
|
||||
delete [] scs;
|
||||
|
||||
// with arduino_new:
|
||||
|
||||
SomeClass* sc = arduino_new(SomeClass, arg1, arg2, ...);
|
||||
delete sc;
|
||||
|
||||
SomeClass* scs = arduino_newarray(SomeClass, 42);
|
||||
delete [] scs;
|
||||
|
||||
159
libraries/esp8266/examples/arduino_new/arduino_new.ino
Normal file
159
libraries/esp8266/examples/arduino_new/arduino_new.ino
Normal file
@ -0,0 +1,159 @@
|
||||
|
||||
// show arduino_new benefits
|
||||
// released to public domain
|
||||
// result is below
|
||||
|
||||
class SomeClass {
|
||||
public:
|
||||
SomeClass(const String& s1 = emptyString, const String& s2 = emptyString) {
|
||||
Serial.printf("SomeClass@%p(%s)(%s)\n", this, s1.c_str(), s2.c_str());
|
||||
}
|
||||
|
||||
~SomeClass() {
|
||||
Serial.printf("~ SomeClass @%p\n", this);
|
||||
}
|
||||
};
|
||||
|
||||
class oom {
|
||||
private:
|
||||
char large [65000];
|
||||
public:
|
||||
oom() {
|
||||
Serial.printf("this constructor should not be called\n");
|
||||
}
|
||||
};
|
||||
|
||||
void setup() {
|
||||
|
||||
Serial.begin(115200);
|
||||
Serial.printf("\n\narduino_new benefits\n\n");
|
||||
delay(5000); // avoid too frequent bootloop
|
||||
|
||||
// arduino_new / arduino_newarray api
|
||||
|
||||
Serial.printf("\n----- arduino_new:\n");
|
||||
auto an = arduino_new(SomeClass);
|
||||
delete an;
|
||||
|
||||
Serial.printf("\n----- arduino_new with oom:\n");
|
||||
auto anoom = arduino_new(oom);
|
||||
Serial.printf("nullptr: %p\n", anoom);
|
||||
delete anoom;
|
||||
|
||||
Serial.printf("\n----- arduino_new with constructor parameters:\n");
|
||||
auto ancp = arduino_new(SomeClass, "param1", "param2");
|
||||
delete ancp;
|
||||
|
||||
Serial.printf("\n----- arduino_newarray[2]\n");
|
||||
auto ana2 = arduino_newarray(SomeClass, 2);
|
||||
Serial.printf("@:%p s=%zd s(2)=%zd\n", ana2, sizeof(SomeClass), sizeof(SomeClass[2]));
|
||||
Serial.printf("0: %p\n", &ana2[0]);
|
||||
Serial.printf("1: %p\n", &ana2[1]);
|
||||
delete [] ana2;
|
||||
|
||||
Serial.printf("\n----- arduino_newarray[2] (with constructor parameters)\n");
|
||||
auto ana2cp = arduino_newarray(SomeClass, 2, "param1");
|
||||
Serial.printf("@:%p s=%zd s(2)=%zd\n", ana2cp, sizeof(SomeClass), sizeof(SomeClass[2]));
|
||||
Serial.printf("0: %p\n", &ana2cp[0]);
|
||||
Serial.printf("1: %p\n", &ana2cp[1]);
|
||||
delete [] ana2cp;
|
||||
|
||||
Serial.printf("\n----- arduino_newarray[100000]\n");
|
||||
auto anaX = arduino_newarray(SomeClass, 100000);
|
||||
Serial.printf("@:%p\n", anaX);
|
||||
|
||||
// standard c++ api for new and new[]
|
||||
|
||||
Serial.printf("\n----- new\n");
|
||||
auto sn = new SomeClass;
|
||||
delete sn;
|
||||
|
||||
Serial.printf("\n----- new with oom: (abort() with option 'Exceptions: Disabled (new can abort)'\n");
|
||||
auto snoom = new oom;
|
||||
Serial.printf("nullptr: %p\n", snoom);
|
||||
delete snoom;
|
||||
|
||||
Serial.printf("\n----- new[2]\n");
|
||||
auto sna2 = new SomeClass[2];
|
||||
Serial.printf("@:%p s=%zd s(2)=%zd\n", sna2, sizeof(SomeClass), sizeof(SomeClass[2]));
|
||||
Serial.printf("0: %p\n", &sna2[0]);
|
||||
Serial.printf("1: %p\n", &sna2[1]);
|
||||
delete [] sna2;
|
||||
|
||||
Serial.printf("\n----- new[10000] (badly fails with 'Exceptions: Legacy' or '...Disabled'\n");
|
||||
auto snaX = new SomeClass[100000];
|
||||
Serial.printf("@:%p\n", snaX);
|
||||
}
|
||||
|
||||
void loop() {
|
||||
}
|
||||
|
||||
//////////////////////////////
|
||||
/*
|
||||
|
||||
Result with:
|
||||
Exceptions: Legacy(new can return nullptr)
|
||||
|
||||
//////////////////////////////
|
||||
|
||||
arduino_new benefits
|
||||
|
||||
----- arduino_new:
|
||||
SomeClass@0x3fff1864()()
|
||||
~ SomeClass @0x3fff1864
|
||||
|
||||
----- arduino_new with oom:
|
||||
nullptr: 0
|
||||
|
||||
----- arduino_new with constructor parameters:
|
||||
SomeClass@0x3fff1864(param1)(param2)
|
||||
~ SomeClass @0x3fff1864
|
||||
|
||||
----- arduino_newarray[2]
|
||||
SomeClass@0x3fff1868()()
|
||||
SomeClass@0x3fff1869()()
|
||||
@: 0x3fff1868 s = 1 s(2) = 2
|
||||
0: 0x3fff1868
|
||||
1: 0x3fff1869
|
||||
~ SomeClass @0x3fff1869
|
||||
~ SomeClass @0x3fff1868
|
||||
|
||||
----- arduino_newarray[2](with constructor parameters)
|
||||
SomeClass@0x3fff1868(param1)()
|
||||
SomeClass@0x3fff1869(param1)()
|
||||
@: 0x3fff1868 s = 1 s(2) = 2
|
||||
0: 0x3fff1868
|
||||
1: 0x3fff1869
|
||||
~ SomeClass @0x3fff1869
|
||||
~ SomeClass @0x3fff1868
|
||||
|
||||
----- arduino_newarray[100000]
|
||||
@: 0
|
||||
|
||||
----- new
|
||||
SomeClass@0x3fff1864()()
|
||||
~ SomeClass @0x3fff1864
|
||||
|
||||
----- new with oom: (abort() with option 'Exceptions: Disabled (new can abort)'
|
||||
this constructor should not be called
|
||||
nullptr: 0
|
||||
|
||||
----- new[2]
|
||||
SomeClass@0x3fff1868()()
|
||||
SomeClass@0x3fff1869()()
|
||||
@:0x3fff1868 s = 1 s(2) = 2
|
||||
0: 0x3fff1868
|
||||
1: 0x3fff1869
|
||||
~ SomeClass @0x3fff1869
|
||||
~ SomeClass @0x3fff1868
|
||||
|
||||
----- new[10000](badly fails with 'Exceptions: Legacy' or '...Disabled'
|
||||
|
||||
Exception(29):
|
||||
epc1 = 0x402013de epc2 = 0x00000000 epc3 = 0x00000000 excvaddr = 0x00000000 depc = 0x00000000
|
||||
|
||||
>>> stack >>>
|
||||
...
|
||||
|
||||
*/
|
||||
/////////////////////////////
|
||||
@ -883,8 +883,11 @@ macros = {
|
||||
]),
|
||||
|
||||
'exception_menu': collections.OrderedDict([
|
||||
( '.menu.exception.disabled', 'Disabled' ),
|
||||
( '.menu.exception.disabled.build.exception_flags', '-fno-exceptions' ),
|
||||
( '.menu.exception.legacy', 'Legacy (new can return nullptr)' ),
|
||||
( '.menu.exception.legacy.build.exception_flags', '-fno-exceptions' ),
|
||||
( '.menu.exception.legacy.build.stdcpp_lib', '-lstdc++' ),
|
||||
( '.menu.exception.disabled', 'Disabled (new can abort)' ),
|
||||
( '.menu.exception.disabled.build.exception_flags', '-fno-exceptions -DNEW_OOM_ABORT' ),
|
||||
( '.menu.exception.disabled.build.stdcpp_lib', '-lstdc++' ),
|
||||
( '.menu.exception.enabled', 'Enabled' ),
|
||||
( '.menu.exception.enabled.build.exception_flags', '-fexceptions' ),
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user