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Old 01-25-2005, 09:41 AM   #1
linorg
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Registered: Nov 2003
Location: delhi
Distribution: redhat 8.0 ,fedora
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problem with make


hi
i'm trying to install the KHERPA simulator (a mobile robot sim)
but am having problems with it when i run the make file i get the following errors

[root@rhlinorg SIM]# make
gcc -L/usr/lib -lX11 -lm OBJ/sim.o OBJ/robot.o OBJ/world.o OBJ/graphics.o OBJ/khep_serial.o OBJ/user.o -o sim
/usr/bin/ld: cannot find -lX11
collect2: ld returned 1 exit status
make: *** [sim] Error 1

the make file is given below

File: Makefile for Khepera Simulator (example 0)
#Author: Olivier MICHEL <om@alto.unice.fr>
#Date: Tue Feb 13 11:29:50 MET 1996

# Copyright (c) 1995, 1996
# Olivier MICHEL
# MAGE team, i3S laboratory,
# CNRS, University of Nice - Sophia Antipolis

# Permission is hereby granted to copy all or any part of
# this program for free distribution. The author's name
# and this copyright notice must be included in any copy.
# Commercial use is forbidden.

VPATH=OBJ/:SRC/:USER/

CFLAGS = -I/usr/include \
-O3

LIBS = -L/usr/lib -lX11 -lm

cc = gcc $(CFLAGS) -c

CC = gcc $(LIBS)

sim: sim.o robot.o world.o graphics.o khep_serial.o user.o
$(CC) OBJ/sim.o OBJ/robot.o OBJ/world.o OBJ/graphics.o OBJ/khep_serial.o OBJ/user.o -o sim

sim.o: sim.c sim.h
$(cc) SRC/sim.c -o OBJ/sim.o
robot.o: robot.c robot.h
$(cc) SRC/robot.c -o OBJ/robot.o
world.o: world.c world.h
$(cc) SRC/world.c -o OBJ/world.o
graphics.o: graphics.c graphics.h
$(cc) SRC/graphics.c -o OBJ/graphics.o
khep_serial.o: khep_serial.c khep_serial.h gen_types.h
$(cc) SRC/khep_serial.c -o OBJ/khep_serial.o
user.o: user.c user.h user_info.h include.h
$(cc) USER/user.c -o OBJ/user.o
header.h: types.h graphics.h sim.h robot.h world.h
touch SRC/header.h

clean:
rm -f sim OBJ/*.o


can somebody plz help me out
thanks linorg
 
Old 01-25-2005, 09:57 AM   #2
jtshaw
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Registered: Nov 2000
Location: Seattle, WA USA
Distribution: Ubuntu @ Home, RHEL @ Work
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Your problem is right here:

LIBS = -L/usr/lib -lX11 -lm

You X11 library appears to not be in /usr/lib. Find it (libX11.so) and add the path this line. For instance, on my machine libX11.so is in /usr/X11R6/lib so I would change the line to LIBS = -L/usr/X11R6/lib -lX11 -L/usr/lib -lm

I hope that helps.
 
Old 01-25-2005, 10:06 AM   #3
linorg
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Registered: Nov 2003
Location: delhi
Distribution: redhat 8.0 ,fedora
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Original Poster
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thanks a lot this really soved the problem
 
Old 01-25-2005, 11:05 AM   #4
jonaskoelker
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Registered: Jul 2004
Location: Denmark
Distribution: Ubuntu, Debian
Posts: 1,524

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hint: when posting code (whitespace-sensitive code such as python and makefiles in particular), put it in code-tags; makes it a lot easier to read
 
  


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