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drahnr opened this issue Aug 21, 2017 · 3 comments
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C++ usage #1205

drahnr opened this issue Aug 21, 2017 · 3 comments
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area: C++ Enhancement Changes/Updates/Additions to existing features

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@drahnr
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drahnr commented Aug 21, 2017 •
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In file included from /home/bernhard/Projects/nello_firmware_ng/src/main.cpp:4:0:
/home/bernhard/Projects/zephyr/include/sensor.h: In function 'int sensor_attr_set(device*, sensor_channel, sensor_attribute, const sensor_value*)':
/home/bernhard/Projects/zephyr/include/sensor.h:271:45: error: invalid conversion from 'const void*' to 'const sensor_driver_api*' [-fpermissive]
  const struct sensor_driver_api *api = dev->driver_api;
                                        ~~~~~^~~~~~~~~~
/home/bernhard/Projects/zephyr/include/sensor.h: In function 'int sensor_trigger_set(device*, sensor_trigger*, sensor_trigger_handler_t)':
/home/bernhard/Projects/zephyr/include/sensor.h:299:45: error: invalid conversion from 'const void*' to 'const sensor_driver_api*' [-fpermissive]
  const struct sensor_driver_api *api = dev->driver_api;

my config includes the CONFIG_CPLUSPLUS=y the target is the nrf52 dk dev boad.

How do I get around this? Specifiying -fpermissive does not solve my issue. I tried to include all C includes in extern "C" but no success.

CONFIG_COMPILER_OPT="-fpermissive" does not help either
@drahnr
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drahnr commented Aug 21, 2017 •
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This happens with 1.8.0 and the latest git of today

@drahnr
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drahnr commented Aug 21, 2017

CXXFLAGS=-fpermissive make works though, but specifying it inside the makefile does not:

#required since pgio.h and snesors.h of zephyr otherwise fail to build
CXXFLAGS="-fpermissive"


BOARD ?= nrf52_pca10040
CONF_FILE = prj.conf

include ${ZEPHYR_BASE}/Makefile.inc

nagineni pushed a commit to nagineni/zephyr that referenced this issue Nov 20, 2017
@grgustaf
[fs] Fixed invalid FSstat object when file is deleted (zephyrproject-…
05fd89e 
…rtos#1464)

We are not currently checking if the file exists when
calling FS.statSync() to create the Stats object, in which
case if the file doesn't exists, we should return a undefined
value, and the unit tests should also check if the value
is undefined.  Added a ToDo to properly fix this with adding
a FS.exist() api that can be used to check if the file exists,
and then return a valid FSStat object when the file is invalid
according the NodeJS spec.

Also updated tests and API doc to reflect new change.

Fixes zephyrproject-rtos#1205

Signed-off-by: Jimmy Huang <[email protected]>
@pfalcon pfalcon mentioned this issue Jan 16, 2018
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@nashif nashif added the Enhancement Changes/Updates/Additions to existing features label Jan 30, 2018
@szundi
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szundi commented May 30, 2019

This is an issue for me too, i have to use -fpermissive, with that it works, but... it's permissive :)

@pabigot pabigot mentioned this issue Aug 21, 2019
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@brooksprumo brooksprumo mentioned this issue Dec 12, 2019
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