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POinvoking make from a script
 

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  1. POinvoking make from a script
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    <p>I have a situation where I have to compile a .cc file after changing variables frequently. My script changes the variables in the .cc file</p> <p>Then i try to compile it first changing into the directory in the shell script by saying cd </p> <p>and then followed by make. All my shell instructions are saved in a .sh file.</p> <p>however when i run this i get the error</p> <pre><code>make: *** No targets specified and no makefile found. Stop. </code></pre> <p>but when i manually go to the directory and type make it works.</p> <p>Why can't the shell script get the make to work?</p> <p>EDIT I added the script</p> <pre><code>#! /bin/sh # simDir=/home/amm/ns-projects/EURANE/Release simtime=21 high_users=5 low_users=3 rm user_throughput.txt qos_throughput.txt echo "Iteration,Users, Low, High,Low average,High average, Average cell througput" &gt;&gt; qos_throughput.txt for(( husers = 1; husers &lt;= $high_users; husers++ )) ### Outer for loop ### do for(( lusers = 1 ; lusers &lt;= $low_users; lusers++ )) ### Inner for loop ### do total_users=0 let total_users=$husers+$lusers echo "$total_users $husers $lusers" #Configure the sh file num_users=0 cd /home/chanditha/EURANE_multi_cells_itpp/simulation_scripts printf -v num_users "NUM_USERS=\"%d\"" $total_users rm hsdpa_ftp_4cells.sh perl -pe "s/.*/$num_users/ if $. == 5" hsdpa_ftp_4cells_old.sh &gt; hsdpa_ftp_4cells.sh chmod u+x hsdpa_ftp_4cells.sh #Configure the awk file cd /home/chanditha/EURANE_multi_cells_itpp/simulation_scripts/scripts awkline=0 printf -v awkline "class_cuttoff=max_flow-%d;" $husers rm tcp_performance_4cells.awk perl -pe "s/.*/$awkline/ if $. == 137" tcp_performance_4cells_old.awk &gt; tcp_performance_4cells.awk #Change the directory and go to the .cc file cd /home/chanditha/ns-allinone-2.30/ns-2.30/umts printf -v cut_off "int cut_off = flow_max_-%d;" $husers; rm hsdpalink.cc perl -pe "s/.*/$cut_off/ if $. == 2109" hsdpalink_old.cc &gt; hsdpalink.cc #Make it make clean &amp;&amp; make done cd /home/chanditha/EURANE_multi_cells_itpp/simulation_scripts ./hsdpa_ftp_4cells_run_all.sh done </code></pre>
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    1. PTQuestion
    1. USHeisenbug
    1. USCKCK
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      1. POinvoking make from a script
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      1. VTDownMod
    2. VO
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    1. COYou should include the shell script; otherwise all we can do is wild guesses.
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      1. USgeekosaur
    2. CO'changing into the directory in the shell script by saying cd' - verify your path `pwd`.
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      1. USPrince John Wesley
    3. COyou said make works in the shell.. in which directory?
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      1. USKaroly Horvath
 

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