please help with the Makefile

This is a discussion on please help with the Makefile within the C Programming forums, part of the General Programming Boards category; Hi All I am a Ph.D student in Physics and a newbie in programing. I am running a code made ...

  1. #1
    Registered User
    Join Date
    Oct 2010
    Posts
    11

    please help with the Makefile

    Hi All

    I am a Ph.D student in Physics and a newbie in programing. I am running a code made by someone else and now I am stuck badly at a point.
    I have a set of C codes [A1.c, A2.c, A3.c, A4.c].
    A2.c, A3.c and A4.c have different tasks and A1.c is the main program which is calling the other 3 codes as and when required.
    To compile all of them togtether, I have a Makefile which is :

    Code:
    LIBS= -lm 
    CPATHS= -L /usr/local/lib
    ALL : prog
    prog :	A1.c
    	cc $(CPATHS) -O4 -Wall -o prog A1.c A2.c A3.c A4.c $(LIBS) 
    clean :
    	rm prog
    To compile and run, I do the following :

    alice@alice-laptop:~$ make clean
    alice@alice-laptop:~$ make
    alice@alice-laptop:~$ ./prog value1 value2

    But now I have identified some problem in A4.c and need to use a package, SUNDIALS package.
    To run a single code, say equations.c, INDEPENDENTLY (i.e. not being compiled simultaneously with other codes) in SUNDIALS, I have to run a command :

    alice@alice-laptop:~$ cc -I/usr/local/sundials/include equations.c -L/usr/local/sundials/lib -lsundials_cvode -lsundials_nvecserial -lm

    But now I have to run A4.c using SUNDIALS, along with the other codes (i.e. A1.c A2.c A3.c), as I was doing earlier.

    What modifications should I make in my Makefile so that A1.c A2.c A3.c A4.c are all compiled together, as it was being done earlier, but A4.c can also use the package SUNDIALS ??


    Please help.
    Regards
    Alice

  2. #2
    Captain Crash brewbuck's Avatar
    Join Date
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    Location
    Portland, OR
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    7,263
    Code:
    LIBS= -lm -L/usr/local/sundials/lib -lsundials_cvode -lsundials_nvecserial
    CPATHS= -L /usr/local/lib -I/usr/local/sundials/include
    ALL : prog
    prog :	A1.c
    	cc $(CPATHS) -O4 -Wall -o prog A1.c A2.c A3.c A4.c $(LIBS) 
    clean :
    	rm prog
    Ought to do it.
    Code:
    //try
    //{
    	if (a) do { f( b); } while(1);
    	else   do { f(!b); } while(1);
    //}

  3. #3
    Registered User
    Join Date
    Oct 2010
    Posts
    11

    Smile Solved: Makefile problem

    Thanx brewbuck,

    What u said has worked.

    Thanks a lot. This forum is great.

    Alice

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