diff options
Diffstat (limited to 'mcon/pl/order.pl')
| -rw-r--r-- | mcon/pl/order.pl | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mcon/pl/order.pl b/mcon/pl/order.pl new file mode 100644 index 0000000..e6ef35a --- /dev/null +++ b/mcon/pl/order.pl @@ -0,0 +1,42 @@ +;# $Id$ +;# +;# Copyright (c) 1991-1997, 2004-2006, Raphael Manfredi +;# +;# You may redistribute only under the terms of the Artistic Licence, +;# as specified in the README file that comes with the distribution. +;# You may reuse parts of this distribution only within the terms of +;# that same Artistic Licence; a copy of which may be found at the root +;# of the source tree for dist 4.0. +;# +;# $Log: order.pl,v $ +;# Revision 3.0 1993/08/18 12:10:28 ram +;# Baseline for dist 3.0 netwide release. +;# +;# +;# The @cmdwanted array records the output of the makefile (pick commands only). +;# The shell commands are executed right away. +;# @cmdwanted records the output of the make process (solving dependencies) +# Solve dependencies by saving the 'pick' command in @cmdwanted +sub solve_dependencies { + local(%unitseen); # Record already picked units (avoid duplicates) + print "Determining the correct order for the units...\n" unless $opt_s; + chdir('.MT') || die "Can't chdir to .MT: $!.\n"; + open(MAKE, "make -n |") || die "Can't run make"; + while (<MAKE>) { + s|^\s+||; # Some make print tabs before command + print "\t$_" if $opt_v; + if (/^pick/) { + ($pick,$cmd,$symbol,$unit) = split(' '); + push(@cmdwanted,"$cmd $symbol $unit") + unless $unitseen{"$cmd:$unit"}++; + } elsif (/^cond/) { + # Ignore conditional symbol request + } else { + chop; + system; + } + } + chdir($WD) || die "Can't chdir to $WD: $!.\n"; + close MAKE; +} + |