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$description = "The following test creates a makefile to test the \n"
."vpath directive which allows you to specify a search \n"
."path for a particular class of filenames, those that\n"
."match a particular pattern.";
$details = "This tests the vpath directive by specifying search directories\n"
."for one class of filenames with the form: vpath pattern directories"
."\nIn this test, we specify the working directory for all files\n"
."that end in c or h. We also test the variables $@ (which gives\n"
."target name) and $^ (which is a list of all dependencies \n"
."including the directories in which they were found). It also\n"
."uses the function firstword used to extract just the first\n"
."dependency from the entire list.";
open(MAKEFILE,"> $makefile");
# The Contents of the MAKEFILE ...
print MAKEFILE "vpath %.c foo\n";
print MAKEFILE "vpath %.c $workdir\n";
print MAKEFILE "vpath %.h $workdir\n";
print MAKEFILE "objects = main.o kbd.o commands.o display.o insert.o\n";
print MAKEFILE "edit: \$(objects)\n";
print MAKEFILE "\t\@echo cc -o \$@ \$^\n";
print MAKEFILE "main.o : main.c defs.h\n";
print MAKEFILE "\t\@echo cc -c \$(firstword \$^)\n";
print MAKEFILE "kbd.o : kbd.c defs.h command.h\n";
print MAKEFILE "\t\@echo cc -c kbd.c\n";
print MAKEFILE "commands.o : command.c defs.h command.h\n";
print MAKEFILE "\t\@echo cc -c commands.c\n";
print MAKEFILE "display.o : display.c defs.h buffer.h\n";
print MAKEFILE "\t\@echo cc -c display.c\n";
print MAKEFILE "insert.o : insert.c defs.h buffer.h\n";
print MAKEFILE "\t\@echo cc -c insert.c\n";
# END of Contents of MAKEFILE
close(MAKEFILE);
@files_to_touch = ("$workdir${pathsep}main.c","$workdir${pathsep}defs.h",
"$workdir${pathsep}kbd.c","$workdir${pathsep}command.h",
"$workdir${pathsep}commands.c","$workdir${pathsep}display.c",
"$workdir${pathsep}buffer.h","$workdir${pathsep}insert.c",
"$workdir${pathsep}command.c");
&touch(@files_to_touch);
# kmk: this requires -j1 because of ordering.
&run_make_with_options($makefile,"-j1",&get_logfile);
# Create the answer to what should be produced by this Makefile
$answer = "cc -c $workdir${pathsep}main.c\ncc -c kbd.c\ncc -c commands.c\n"
."cc -c display.c\n"
."cc -c insert.c\ncc -o edit main.o kbd.o commands.o display.o "
."insert.o\n";
if (&compare_output($answer,&get_logfile(1)))
{
unlink @files_to_touch;
}
1;
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