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#!/usr/bin/tcl
# #############################################################################
# BRLTTY - A background process providing access to the Linux console (when in
# text mode) for a blind person using a refreshable braille display.
#
# Copyright (C) 1995-2003 by The BRLTTY Team. All rights reserved.
#
# BRLTTY comes with ABSOLUTELY NO WARRANTY.
#
# This is free software, placed under the terms of the
# GNU General Public License, as published by the Free Software
# Foundation. Please see the file COPYING for details.
#
# Web Page: http://mielke.cc/brltty/
#
# This software is maintained by Dave Mielke <dave@mielke.cc>.
# #############################################################################
proc getProgramName {} {
global argv0
return [file tail $argv0]
}
proc writeProgramMessage {message} {
puts stderr "[getProgramName]: $message"
flush stderr
}
proc getBuildDirectories {{root ""}} {
set directories [list]
if {[clength $root] == 0} {
set root .
set setPath {
set path $name
}
} else {
set setPath {
set path [file join $root $name]
}
}
if {[file exists [file join $root Makefile.in]]} {
lappend directories $root
}
foreach name [readdir $root] {
eval $setPath
if {[file isdirectory $path]} {
lvarcat directories [getBuildDirectories $path]
}
}
return $directories
}
proc skipFile {path} {
if {[string match *.tab.c $path]} {
return 1
}
return 0
}
proc sourceFile {name} {
if {[regexp {^(.*)\.tab\.c$} $name x base]} {
return "$base.y"
}
return ""
}
proc dependencyExists {path} {
if {[file exists $path]} {
return 1
}
if {[file exists $path.in]} {
return 1
}
if {[clength [set source [sourceFile $path]]] > 0} {
if {[file exists $source]} {
return 1
}
}
return 0
}
proc getDependencies {file} {
upvar #0 dependencies($file) dependencies
if {![info exists dependencies]} {
lappend dependencies $file
if {[file exists $file] && ![skipFile $file]} {
global sourceContext
set includes [list]
set stream [open $file {RDONLY}]
scanfile $sourceContext $stream
close $stream; unset stream
set directory [file dirname $file]
foreach include $includes {
if {[cequal [file extension [file rootname $include]] .auto]} continue
if {[dependencyExists [set path [file join $directory $include]]]} {
set include $path
} elseif {![dependencyExists $include]} {
writeProgramMessage "missing dependency: $file includes $include"
continue
}
lvarcat dependencies [lindex [intersect3 $dependencies [getDependencies $include]] 2]
}
}
}
return $dependencies
}
set sourceExtensions {c cc y}
set sourceExtensionsGlob "{[join $sourceExtensions ,]}"
set sourceContext [scancontext create]
scanmatch $sourceContext {^ *# *include *"([^"]*)"} {
lappend includes $matchInfo(submatch0)
}
foreach buildDirectory [set buildDirectories [getBuildDirectories]] {
foreach sourceFile [glob -nocomplain [file join $buildDirectory "*.$sourceExtensionsGlob"]] {
regsub {^(\./)+} $sourceFile {} sourceFile
if {[skipFile $sourceFile]} continue
lappend sourceFiles($buildDirectory) $sourceFile
getDependencies $sourceFile
}
}
set absoluteStream [open absdeps.mk {WRONLY CREAT TRUNC}]
foreach buildDirectory [lsort $buildDirectories] {
set relativeStream [open [file join $buildDirectory reldeps.mk] {WRONLY CREAT TRUNC}]
if {[info exists sourceFiles($buildDirectory)]} {
foreach sourceFile [lsort $sourceFiles($buildDirectory)] {
switch -exact -- [file extension $sourceFile] {
".y" {
set objectExtension ".tab.c"
}
default {
set objectExtension ".\$O"
}
}
set objectFile "[file rootname $sourceFile]$objectExtension"
set objectName [file tail $objectFile]
puts $absoluteStream "# Dependencies for $objectFile:"
puts $relativeStream "# Dependencies for $objectName:"
foreach dependency $dependencies($sourceFile) {
if {[file exists "$dependency.in"] || ([clength [sourceFile $dependency]] > 0)} {
set tree BLD
} else {
set tree SRC
}
puts $absoluteStream "\$(BLD_TOP)$objectFile: \$(${tree}_TOP)$dependency"
puts -nonewline $relativeStream "$objectName: "
if {[cequal $buildDirectory [file dirname $dependency]]} {
puts $relativeStream "\$(${tree}_DIR)/[file tail $dependency]"
} else {
puts $relativeStream "\$(${tree}_TOP)$dependency"
}
}
puts $absoluteStream "\tcd \$(@D) && \$(MAKE) \$(@F)"
puts $absoluteStream ""
puts $relativeStream ""
}
}
close $relativeStream; unset relativeStream
}
close $absoluteStream; unset absoluteStream
exit 0
|
