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Top Forums Shell Programming and Scripting GNU make doesn't pick up changes Post 302524904 by ygemici on Wednesday 25th of May 2011 04:05:03 AM
Old 05-25-2011
you are built executable previously and objects and ex file are ready in current dir.maybe therefore make does not anything.
if you try `make clean` and then try again make will be process.

secondly touch command just change to modify/access times if the file is there and make command process only `module1.c` because of make detects that `module1.c` s timestamps are newer and rebuild executable with this object file.

regards
ygemici
 

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JMKMF(1)						      General Commands Manual							  JMKMF(1)

NAME
jmkmf - runs jmake with the correct options SYNOPSIS
jmkmf [ top-level dir [ current dir ] ] DESCRIPTION
Jmkmf is a wrapper which calls jmake with the correct options, defining the symbols TOPDIR (location of the top-level directory) and CURDIR (current directory). The generated Makefile.SH is then ran through /bin/sh to produce a Makefile. Jmkmf is useful when you generate a makefile for the first time. When ran without arguments, jmkmf will scan the directories upwards, looking for a .package file marking the top of your sources. It will then derive the top-level directory and the name of the current directory by itself. Once you have a Makefile.SH generated by jmake, and have run Configure already, you can use make Makefile.SH to build the Makefile.SH again and make Makefile to run the Makefile.SH through /bin/sh. To use the recursive commands, you have to append an 's' at the end of the name as in make Makefiles.SH and make Makefiles. AUTHOR
Raphael Manfredi <ram@hptnos02.grenoble.hp.com> FILES
Jmakefile High level description of makefile The file marking the top of your package tree SEE ALSO
jmake(1), packinit(1). ram JMKMF(1)
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