링크 에러 같은데, 고수님덜 부탁합니다.

소켓 통신을 하는 프로그램을 만들었는데, 솔라리스에서 잘 돌아가는데
터보리눅스에서는 잘 안 돌아갑니다. 리눅스에서는 소켓 라이브러리를
따로 부르지 않아도 된다고 해서 소켓 라이브러리를 뺐습니다.
아래의 lsock, llog 제가 만든 라이브러리 입니다.
소스는 우선 솔라리스에서 컴파일 했으므로 문제는 없는것 같습니다.
아시는 분 리필 좀 달아 주세요.

Makefile 내용은 아래와 같습니다.
====================================================================
##########################################################
# define file path.
##########################################################
RM = rm
CC = gcc
MV = mv

##########################################################
# define object and source files by per target module.
##########################################################
OBJECTS = Server_Main.o Message_Receiver.o
HOME = /home/dragon/sl2ttslib-0.98/examples/Ums
INC = $(HOME)/inc
LIB = $(HOME)/lib
CFLAGS = -O2 -I$(INC)
GFLAGS = -L$(LIB) -lsock -llog -lpthread

##########################################################
# define library directory and library files
##########################################################
TARGET = Ctums
OBJECT = $(TARGET)

##########################################################
# create target object rule
##########################################################
$(TARGET) $(OBJECTS)
${CC} -o $(TARGET) $(OBJECTS) $(GFLAGS)

##########################################################
# clear objects
##########################################################
clean
$(RM) -f *.o core $(TARGET)

install
$(MV) $(TARGET) ./bin
====================================================================

근데 make를 하면 아래와 같은 에러가 납니다.
====================================================================
gcc -O2 -I/home/dragon/sl2ttslib-0.98/examples/Ums/inc -c -o
Server_Main.o Server_Main.c
gcc -O2 -I/home/dragon/sl2ttslib-0.98/examples/Ums/inc -c -o
Message_Receiver.o Message_Receiver.c
gcc -o Ctums Server_Main.o Message_Receiver.o -
L/home/dragon/sl2ttslib-0.98/examples/Ums/lib -lsock -llog -lpthread
collect2 ld terminated with signal 11 [Segmentation fault]
make *** [Ctums] Error 1
====================================================================