$description = "The following test tests that if you specify greater \n"              ."than one '-f makefilename' on the command line, \n"              ."that make concatenates them.  This test creates three \n"              ."makefiles and specifies all of them with the -f option \n"              ."on the command line.  To make sure they were concatenated, \n"              ."we then call make with the rules from the concatenated \n"              ."makefiles one at a time.  Finally, it calls all three \n"              ."rules in one call to make and checks that the output\n"              ."is in the correct order.";$makefile2 = &get_tmpfile;$makefile3 = &get_tmpfile;open(MAKEFILE,"> $makefile");# The Contents of the MAKEFILE ...print MAKEFILE "all: \n";print MAKEFILE "\t\@echo This is the output from the original makefile\n";# END of Contents of MAKEFILEclose(MAKEFILE);# Create a second makefileopen(MAKEFILE,"> $makefile2");print MAKEFILE "TWO: \n";print MAKEFILE "\t\@echo This is the output from makefile 2\n";close(MAKEFILE);# Create a third makefileopen(MAKEFILE,"> $makefile3");print MAKEFILE "THREE: \n";print MAKEFILE "\t\@echo This is the output from makefile 3\n";close(MAKEFILE);# Create the answer to what should be produced by this Makefile$answer = "This is the output from the original makefile\n";# Run make to catch the default rule&run_make_with_options($makefile,"-f $makefile2 -f $makefile3",&get_logfile,0);&compare_output($answer,&get_logfile(1));# Run Make again with the rule from the second makefile: TWO$answer = "This is the output from makefile 2\n";&run_make_with_options($makefile,"-f $makefile2 -f $makefile3 TWO",&get_logfile,0);&compare_output($answer,&get_logfile(1));     # Run Make again with the rule from the third makefile: THREE$answer = "This is the output from makefile 3\n";&run_make_with_options($makefile,                       "-f $makefile2 -f $makefile3 THREE",                       &get_logfile,                       0);&compare_output($answer,&get_logfile(1));# Run Make again with ALL three rules in the order 2 1 3 to make sure# that all rules are executed in the proper order$answer = "This is the output from makefile 2\n";$answer .= "This is the output from the original makefile\n";$answer .= "This is the output from makefile 3\n";&run_make_with_options($makefile,                       "-f $makefile2 -f $makefile3 TWO all THREE",		       &get_logfile,                       0);&compare_output($answer,&get_logfile(1));