make clean && BOARD=NRF52840DK_CUSTOM RELEASE=1 make
grep: /etc/os-release: No such file or directory
/bin/sh: grealpath: command not found
make: nproc: Command not found
make: the `-j' option requires a positive integral argument
Cleaning targets
/bin/sh: grealpath: command not found
make: nproc: Command not found
make: the `-j' option requires a positive integral argument
================================== Generating platform configs
================================== Generating pin info
CC obj/src/jslex.o
CC obj/src/jsflags.o
CC obj/src/jsvar.o
src/jsvar.c: In function 'jsvIsUTF8String':
src/jsvar.c:137:67: warning: unused variable 'f' [-Wunused-variable]
  137 | bool jsvIsUTF8String(const JsVar *v) { if (!v) return false; char f = v->flags&JSV_VARTYPEMASK; return JSV_IS_UNICODE_STRING(f); } ///< Just )
      |                                                                   ^
CC obj/src/jsvariterator.o
CC obj/src/jsutils.o
CC obj/src/jsnative.o
CC obj/src/jsparse.o
================================== Generating JS wrappers
WRAPPERSOURCES = src/jswrap_array.c src/jswrap_arraybuffer.c src/jswrap_dataview.c src/jswrap_date.c src/jswrap_error.c src/jswrap_functions.c src/jsc
DEFINES = -DGIT_COMMIT=09b42f3 -DNO_ASSERT -DRELEASE -DNRF52840DK_CUSTOM -DCONFIG_GPIO_AS_PINRESET -DBOARD_PCA10056 -DNRF_USB=1 -DUSB -DNEOPIXEL_SCK_D
CC obj/gen/jswrapper.o
CC obj/src/jsflash.o
src/jsflash.c:1438:13: warning: 'jsfResetStorage_progress' defined but not used [-Wunused-function]
 1438 | static void jsfResetStorage_progress(unsigned char *buf, uint32_t addr, uint32_t len) {
      |             ^~~~~~~~~~~~~~~~~~~~~~~~
CC obj/src/jspin.o
CC obj/src/jsinteractive.o
src/jsinteractive.c: In function 'jsiConsolePrintf':
src/jsinteractive.c:258:13: warning: cast between incompatible function types from 'void (*)(const char *)' to 'void (*)(const char *, void *)' [-Wca]
  258 |   vcbprintf((vcbprintf_callback)jsiConsolePrint,0, fmt, argp);
      |             ^
CC obj/src/jsdevices.o
CC obj/src/jstimer.o
CC obj/src/jsi2c.o
CC obj/src/jsserial.o
CC obj/src/jsspi.o
CC obj/src/jshardware_common.o
CC obj/libs/compression/heatshrink/heatshrink_encoder.o
CC obj/libs/compression/heatshrink/heatshrink_decoder.o
CC obj/libs/compression/compress_heatshrink.o
libs/compression/compress_heatshrink.c: In function 'heatshrink_decode_cb':
libs/compression/compress_heatshrink.c:139:19: warning: comparison between 'HSD_poll_res' and 'enum <anonymous>' [-Wenum-compare]
  139 |     } while (pres == HSER_POLL_MORE);
      |                   ^~
CC obj/libs/graphics/bitmap_font_4x6.o
CC obj/libs/graphics/bitmap_font_6x8.o
CC obj/libs/graphics/vector_font.o
CC obj/libs/graphics/pbf_font.o
CC obj/libs/graphics/graphics.o
libs/graphics/graphics.c:449:13: warning: 'graphicsSetPixelDeviceBlended' defined but not used [-Wunused-function]
  449 | static void graphicsSetPixelDeviceBlended(JsGraphics *gfx, int x, int y, int amt) {
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CC obj/libs/graphics/lcd_arraybuffer.o
CC obj/libs/graphics/lcd_js.o
CC obj/libs/network/network.o
CC obj/libs/network/socketserver.o
CC obj/libs/network/socketerrors.o
CC obj/libs/network/js/network_js.o
CC obj/src/jsjit.o
src/jsjit.c: In function 'jsjFactorIDAndUnLock':
src/jsjit.c:248:49: warning: passing argument 2 of 'jsjcLiteral32' makes integer from pointer without a cast [-Wint-conversion]
  248 |         jsjcLiteral32(0, builtin->varData.native.ptr);
      |                          ~~~~~~~~~~~~~~~~~~~~~~~^~~~
      |                                                 |
      |                                                 void (*)(void)
In file included from src/jsjit.c:18:
src/jsjitc.h:123:38: note: expected 'uint32_t' {aka 'long unsigned int'} but argument is of type 'void (*)(void)'
  123 | void jsjcLiteral32(int reg, uint32_t data);
      |                             ~~~~~~~~~^~~~
CC obj/src/jsjitc.o
src/jsjitc.c: In function 'jsjcDebugPrintf':
src/jsjitc.c:63:15: warning: cast between incompatible function types from 'void (*)(const char *)' to 'void (*)(const char *, void *)' [-Wcast-funct]
   63 |     vcbprintf((vcbprintf_callback)jsiConsolePrint,0, fmt, argp);
      |               ^
CC obj/targets/nrf5x/main.o
CC obj/targets/nrf5x/jshardware.o
targets/nrf5x/jshardware.c: In function 'jshInit':
targets/nrf5x/jshardware.c:987:3: error: implicit declaration of function 'softdevice_sys_evt_handler_set' [-Werror=implicit-function-declaration]
  987 |   softdevice_sys_evt_handler_set(jsh_sys_evt_handler);
      |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
targets/nrf5x/jshardware.c:1005:5: error: 'ret' undeclared (first use in this function)
 1005 |     ret = app_usbd_power_events_enable();
      |     ^~~
targets/nrf5x/jshardware.c:1005:5: note: each undeclared identifier is reported only once for each function it appears in
targets/nrf5x/jshardware.c: In function 'jshI2CSetup':
targets/nrf5x/jshardware.c:2289:28: warning: implicit conversion from 'enum <anonymous>' to 'nrf_drv_twi_frequency_t' [-Wenum-conversion]
 2289 |     p_twi_config.frequency =
      |                            ^
targets/nrf5x/jshardware.c: In function 'jshFlashGetFree':
targets/nrf5x/jshardware.c:2380:12: warning: unused variable 'firmwareStart' [-Wunused-variable]
 2380 |   uint32_t firmwareStart = (uint32_t)& __isr_vector;
      |            ^~~~~~~~~~~~~
targets/nrf5x/jshardware.c: At top level:
targets/nrf5x/jshardware.c:248:13: warning: 'usbd_user_ev_handler' defined but not used [-Wunused-function]
  248 | static void usbd_user_ev_handler(app_usbd_event_type_t event) {
      |             ^~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
make: *** [obj/targets/nrf5x/jshardware.o] Error 1