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error in Makefile

Hi everyone
Iam doing something wrong with my Makefile. I have 2 executables server and client, 1 header network.h and network.c. When i write $make all it doesn't find network.c the but it works when i write $ gcc -o server server.c network.c -lpthread.
What are i doing wrong in TARGETS ??:( HEADER can i deleted ??

Code:

CFLAGS = -Wall -g

CC = gcc

TARGETS = server client network.o

LDLIBS = -lpthread 

HEADER = network.h





all:        $(TARGETS) 

        $(CC) -o $@ $^ $(LDLIBS) $(CFLAGS)

        @echo Server && Client OK        





server:        server.c

        $(CC) -o $@ $^ $(LDLIBS) $(CFLAGS)





client:        client.c

        $(CC) -o $@ $^ $(LDLIBS) $(CFLAGS)





network.o:        network.c network.h

        gcc -c network.c





clean:

        @echo Cleaning 

        rm -f $(TARGETS) *.o *.~ *.out *.c~

        @echo OK.



.PHONY:        clean

What is the exact error message you're getting?

Code:

all:        $(TARGETS) 

        $(CC) -o $@ $^ $(LDLIBS) $(CFLAGS)

        @echo Server && Client OK

$@ expands to the name of the target, so the second line causes gcc to make an executable called "all". I don't think you need this line at all.

&& is a shell operator, so the last line echo's "Server", then tries to execute a command called Client, you should write

Code:

@echo "Server && Client OK" 

  or

@echo Server and Client OK