I2C testcase linking error

[punit vara]

I was testing I2C test case for BBB. When I hit compile I have got
following linking error. Any clue what may be error ?

arm-rtems4.12-gcc -B../../../../../beagleboneblack/lib/ -specs bsp_specs
-qrtems -mcpu=cortex-a8 -O2 -g -ffunction-sections -fdata-sections -Wall
-Wmissing-prototypes -Wimplicit-function-declaration -Wstrict-prototypes
-Wnested-externs  -Wl,--gc-sections  -mcpu=cortex-a8   -o i2c0.exe init.o
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `_Thread_Get_executing':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../cpukit/../../../beagleboneblack/lib/include/rtems/score/percpu.h:704:
multiple definition of `__getreent'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../beagleboneblack/lib/include/rtems/score/percpu.h:704:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of
`_Linker_set__Sysinit__RTEMS_tasks_Initialize_user_tasks_body'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `Configuration'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `rtems_minimum_stack_size'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `Configuration_POSIX_API'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `Configuration_RTEMS_API'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `_Thread_Control_add_on_count'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `_Thread_Control_add_ons'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `_Thread_Control_size'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of
`_Linker_set__Sysinit__User_extensions_Handler_initialization'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `_IO_Number_of_drivers'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `_IO_Driver_address_table'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
/root/development/rtems/4.12/lib/gcc/arm-rtems4.12/6.1.1/../../../../arm-rtems4.12/bin/ld:
Warning: size of symbol `_IO_Driver_address_table' changed from 24 in
init.o to 384 in
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o)
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `Initialization_tasks'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `rtems_malloc_dirty_helper'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `rtems_malloc_extend_handler'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `RTEMS_Malloc_Heap'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `_Scheduler_Table'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `rtems_filesystem_root_configuration'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `rtems_filesystem_table'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `rtems_telnetd_maximum_ptys'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):
In function `Init':
/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/cpukit/libmisc/../../../../../../../../NEW/c/src/../../cpukit/libmisc/dummy/default-configuration.c:23:
multiple definition of `rtems_libio_number_iops'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
../../../../../beagleboneblack/lib/librtemscpu.a(default-configuration.o):(.rtemsroset._Sysinit.content.0.0x00040180+0x0):
multiple definition of `_Linker_set__Sysinit_rtems_filesystem_initialize'
init.o:/root/development/rtems/b-NEW/arm-rtems4.12/c/beagleboneblack/testsuites/samples/i2c0/../../../../../../../../../NEW/c/src/../../testsuites/samples/i2c0/init.c:34:
first defined here
collect2: error: ld returned 1 exit status


Here is my test case

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <fcntl.h>
#include <unistd.h>
#include <rtems/printer.h>
#include <rtems/test.h>

#include <bsp.h> /* for device driver prototypes */

#include <stdio.h>
#include <stdlib.h>
#include <bsp/i2c.h>
#include <dev/i2c/i2c.h>

/* forward declarations to avoid warnings */
rtems_task Init(rtems_task_argument argument);

const char rtems_test_name[] = "GSOC 2016 I2C TESTING";
rtems_printer rtems_test_printer;

rtems_task Init(
  rtems_task_argument ignored
)
{
  rtems_print_printer_printf(&rtems_test_printer);
  rtems_test_begin();
  int fd,r;

  r = bbb_register_i2c_0();
  fd = open(BBB_I2C_0_BUS_PATH,O_RDWR);
  printf("value of fd is %d \n",fd);
  close(fd);
  rtems_test_end();
  exit( 0 );
}

/* NOTICE: the clock driver is explicitly disabled */
#define CONFIGURE_APPLICATION_DOES_NOT_NEED_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER

#define CONFIGURE_MAXIMUM_TASKS            1
#define CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM

#define CONFIGURE_RTEMS_INIT_TASKS_TABLE

#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION

#define CONFIGURE_INIT
#include <rtems/confdefs.h>


Thanks,
Punit Vara
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