substitution

make debug tool. You can use this tool to debug Makefile

$description = "The following test creates a makefile to ...";

$details = "";

open(MAKEFILE,"> $makefile");

# The Contents of the MAKEFILE ...

print MAKEFILE "foo := a.o b.o c.o\n"
              ."bar := \$(foo:.o=.c)\n"
	      ."bar2:= \$(foo:%.o=%.c)\n"
              ."bar3:= \$(patsubst %.c,%.o,x.c.c bar.c)\n"
              ."all:\n"
              ."\t\@echo \$(bar)\n"
              ."\t\@echo \$(bar2)\n"
              ."\t\@echo \$(bar3)\n";

# END of Contents of MAKEFILE

close(MAKEFILE);

&run_make_with_options($makefile,"",&get_logfile);

# Create the answer to what should be produced by this Makefile
$answer = "a.c b.c c.c\n"
         ."a.c b.c c.c\n"
         ."x.c.o bar.o\n";

&compare_output($answer,&get_logfile(1));

1;