Thread: LD error - Multiple definition of 'UT_BITS_ADDRESS' / Previous Definition here

main.c

Code:

#include "ServerModbus.h"

void* ThreadEntrada(void *arg);
void* ThreadSaida(void *arg);

int main(int lArgc, char *pcArgv[])
{
	SocketModbusStart();

ServerModbus.h

Code:

#ifndef SERVERMODBUS_H_
#define SERVERMODBUS_H_

#include "ModbusOptions.h"

int SocketModbusStart();

#endif /* SERVERMODBUS_H_ */

ServerModbus.c

Code:

#ifndef SERVERMODBUS_H_
#define SERVERMODBUS_H_

#include "ModbusOptions.h"

int SocketModbusStart();

#endif /* SERVERMODBUS_H_ */

ModbusOptions.h

Code:

#ifndef MODBUSOPTIONS_H_
#define MODBUSOPTIONS_H_

	/* Constants defined by configure.ac */
	#define HAVE_INTTYPES_H @HAVE_INTTYPES_H@
	#define HAVE_STDINT_H @HAVE_STDINT_H@

	#ifdef HAVE_INTTYPES_H
		#include <inttypes.h>
	#endif

	#ifdef HAVE_STDINT_H
		# ifndef _MSC_VER
			# include <stdint.h>
		# else
			# include "stdint.h"
		# endif
	#endif

	#define SERVER_ID         17
	#define INVALID_SERVER_ID 18

	const uint16_t UT_BITS_ADDRESS = 0x130;
	const uint16_t UT_BITS_NB = 0x25;
	const uint8_t UT_BITS_TAB[] = { 0xCD, 0x6B, 0xB2, 0x0E, 0x1B };

	const uint16_t UT_INPUT_BITS_ADDRESS = 0x1C4;
	const uint16_t UT_INPUT_BITS_NB = 0x16;
	const uint8_t UT_INPUT_BITS_TAB[] = { 0xAC, 0xDB, 0x35 };

Error Output

Code:

15:18:19 **** Incremental Build of configuration Debug for project AngstromGPIO ****
make all 
Building file: ../src/ServerModbus.c
Invoking: Cross GCC Compiler
arm-angstrom-linux-gcc -O0 -g3 -Wall -c -fmessage-length=0 -mfloat-abi=hard -mfpu=neon --sysroot=/usr/local/oecore-x86_64/sysroots/armv7at2hf-neon-angstrom-linux-gnueabi -pthread -lpthread -MMD -MP -MF"src/ServerModbus.d" -MT"src/ServerModbus.o" -o "src/ServerModbus.o" "../src/ServerModbus.c"
Finished building: ../src/ServerModbus.c
 
Building target: AngstromGPIO
Invoking: Cross GCC Linker
arm-angstrom-linux-gcc -mfloat-abi=hard -mfpu=neon --sysroot=/usr/local/oecore-x86_64/sysroots/armv7at2hf-neon-angstrom-linux-gnueabi -pthread -lpthread -lmodbus -o "AngstromGPIO"  ./src/AngstromGPIO.o ./src/ServerModbus.o ./src/apiSysClass.o   
/usr/local/oecore-x86_64/sysroots/x86_64-angstromsdk-linux/usr/libexec/arm-angstrom-linux-gnueabi/gcc/arm-angstrom-linux-gnueabi/6.2.1/real-ld: error: ./src/ServerModbus.o: multiple definition of 'UT_BITS_ADDRESS'
/usr/local/oecore-x86_64/sysroots/x86_64-angstromsdk-linux/usr/libexec/arm-angstrom-linux-gnueabi/gcc/arm-angstrom-linux-gnueabi/6.2.1/real-ld: ./src/AngstromGPIO.o: previous definition here