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https://issues.apache.org/jira/browse/MYNEWT-276?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Marko Kiiskila resolved MYNEWT-276.
-----------------------------------
Resolution: Fixed
This was fixed by typecasting isspace() argument to unsigned char. Warnings
were generated due to newlib implementation of isspace() together with our
default compiler warning.
> many builds fail with this error
> --------------------------------
>
> Key: MYNEWT-276
> URL: https://issues.apache.org/jira/browse/MYNEWT-276
> Project: Mynewt
> Issue Type: Bug
> Reporter: Paul Dietrich
> Assignee: Marko Kiiskila
> Fix For: 0.8.0
>
>
> Compiling config_line.c
> config_line.c: In function 'conf_line_parse':
> config_line.c:41:13: error: array subscript has type 'char'
> [-Werror=char-subscripts]
> if (!isspace(*cp)) {
> ^
> config_line.c:50:13: error: array subscript has type 'char'
> [-Werror=char-subscripts]
> } else if (isspace(*cp)) {
> ^
> config_line.c:55:13: error: array subscript has type 'char'
> [-Werror=char-subscripts]
> if (!isspace(*cp)) {
> ^
> config_line.c:61:13: error: array subscript has type 'char'
> [-Werror=char-subscripts]
> if (isspace(*cp)) {
> ^
> cc1: all warnings being treated as errors
> Error: exit status 1
> exit status 1
> targets/my_blinky_sim1
> app=@apache-mynewt-core/apps/blinky
> bsp=@apache-mynewt-core/hw/bsp/bmd300eval
> build_profile=debug
> targets/my_blinky_sim2
> app=@apache-mynewt-core/apps/blinky
> bsp=@apache-mynewt-core/hw/bsp/nrf52pdk
> build_profile=debug
> targets/my_blinky_sim3
> app=@apache-mynewt-core/apps/blinky
> bsp=@apache-mynewt-core/hw/bsp/olimex_stm32-e407_devboard
> build_profile=debug
> targets/my_blinky_sim4
> app=@apache-mynewt-core/apps/blinky
> bsp=@apache-mynewt-core/hw/bsp/nrf51dk
> build_profile=debug
> targets/my_blinky_sim5
> app=@apache-mynewt-core/apps/blinky
> bsp=@apache-mynewt-core/hw/bsp/nrf51dk-16kbram
> build_profile=debug
> targets/my_blinky_sim6
> app=@apache-mynewt-core/apps/blinky
> bsp=@mynewt_arduino_zero/hw/bsp/arduino_zero
> build_profile=debug
> features=arduino_zero
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