jdk8-mips64-public: make/scripts/fixpath.pl@c12e759ac4e8 (annotated)

make/scripts/fixpath.pl@c12e759ac4e8 (annotated)

make/scripts/fixpath.pl

Tue, 23 Oct 2012 10:10:49 -0700

author: tbell
date: Tue, 23 Oct 2012 10:10:49 -0700
changeset 487: c12e759ac4e8
permissions: -rw-r--r--

7152336: Enable builds on Windows with MinGW/MSYS
Summary: Minimal makefile changes to enable building OpenJDK using MSYS on Windows7
Reviewed-by: ohair, tbell
Contributed-by: volker.simonis@gmail.com

 #!/bin/perl
 #
 # Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License version 2 only, as
 # published by the Free Software Foundation.  Oracle designates this
 # particular file as subject to the "Classpath" exception as provided
 # by Oracle in the LICENSE file that accompanied this code.
 #
 # This code is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 # version 2 for more details (a copy is included in the LICENSE file that
 # accompanied this code).
 #
 # You should have received a copy of the GNU General Public License version
 # 2 along with this work; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 #
 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 # or visit www.oracle.com if you need additional information or have any
 # questions.
 #
 # Crunch down the input(s) to Windows short (mangled) form.
 # Any elements not actually found in the filesystem will be dropped.
 #
 # This script needs three modes:
 #   1) DOS mode with drive letter followed by : and ; path separator
 #   2) Cygwin mode with /cygdrive/<drive letter>/ and : path separator
 #   3) MinGW/MSYS mode with /<drive letter>/ and : path separator
 use strict;
 use warnings;
 use Getopt::Std;
 sub Usage() {
     print ("Usage:\n $0 -d | -c | -m \<PATH\>\n");
     print ("            -d DOS style (drive letter, :, and ; path separator)\n");
     print ("            -c Cywgin style (/cygdrive/drive/ and : path separator)\n");
     print ("            -m MinGW style (/drive/ and : path separator)\n");
     exit 1;
 }
 # Process command line options:
 my %opts;
 getopts('dcm', \%opts) || Usage();
 if (scalar(@ARGV) != 1) {Usage()};
 # Translate drive letters such as C:/
 #   if MSDOS, Win32::GetShortPathName() does the work (see below).
 #   if Cygwin, use the /cygdrive/c/ form.
 #   if MinGW, use the /c/ form.
 my $path0;
 my $sep2;
 if (defined ($opts{'d'})) {
     #MSDOS
     $path0 = '';
     $sep2 = ';';
 } elsif (defined ($opts{'c'})) {
     #Cygwin
     $path0 = '/cygdrive';
     $sep2 = ':';
 } elsif (defined ($opts{'m'})) {
     #MinGW/MSYS
     $path0 = '';
     $sep2 = ':';
 } else {
     Usage();
 }
 my $input = $ARGV[0];
 my $sep1;
 # Is the input ';' separated, or ':' separated, or a simple string?
 if (($input =~ tr/;/;/) > 0) {
     # One or more ';' implies Windows style path.
     $sep1 = ';';
 } elsif (($input =~ tr/:/:/) > 1) {
     # Two or more ':' implies Cygwin or MinGW/MSYS style path.
     $sep1 = ':';
 } else {
     # Otherwise, this is not a path - take up to the end of string in
     # one piece.
     $sep1 = '/$/';
 }
 # Split the input on $sep1 PATH separator and process the pieces.
 my @pieces;
 for (split($sep1, $input)) {
     my $try = $_;
     if (($try =~ /^\/cygdrive\/(.)\/(.*)$/) || ($try =~ /^\/(.)\/(.*)$/)) {
         # Special case #1: This is a Cygwin /cygrive/<drive letter/ path.
         # Special case #2: This is a MinGW/MSYS /<drive letter/ path.
         $try = $1.':/'.$2;
     } elsif ($try =~ /^\/(.*)$/) {
         # Special case #3: check for a Cygwin or MinGW/MSYS form with a
         # leading '/' for example '/usr/bin/bash'.
         # Look up where this is mounted and rebuild the
         # $try string with that information
         my $cmd = "df --portability --all --human-readable $try";
         my $line = qx ($cmd);
         my $status = $?;
         if ($status == 0) {
             my @lines = split ('\n', $line);
             my ($device, $junk, $mountpoint);
             # $lines[0] is the df header.
             # Example string for split - we want the first and last elements:
             # C:\jprt\products\P1\MinGW\msys\1.0  200G   78G  123G  39% /usr
             ($device, $junk, $junk, $junk, $junk, $mountpoint) = split (/\s+/, $lines[1]);
             # Replace $mountpoint with $device/ in the original string
             $try =~ s|$mountpoint|$device/|;
         } else {
             printf ("Error %d from command %s\n%s\n", $status, $cmd, $line);
         }
     }
     my $str = Win32::GetShortPathName($try);
     if (!defined($str)){
         # Special case #4: If the lookup did not work, loop through
         # adding extensions listed in PATHEXT, looking for the first
         # match.
         for (split(';', $ENV{'PATHEXT'})) {
             $str = Win32::GetShortPathName($try.$_);
             if (defined($str)) {
                 last;
             }
         }
     }
     if (defined($str)){
         if (!defined($opts{'d'})) {
             # If not MSDOS, change C: to [/cygdrive]/c/
             if ($str =~ /^(\S):(.*)$/) {
                 my $path1 = $1;
                 my $path2 = $2;
                 $str = $path0 . '/' . $path1 . '/' . $path2;
             }
         }
         push (@pieces, $str);
     }
 }
 # If input was a PATH, join the pieces back together with $sep2 path
 # separator.
 my $result;
 if (scalar(@pieces > 1)) {
     $result = join ($sep2, @pieces);
 } else {
     $result = $pieces[0];
 }
 if (defined ($result)) {
     # Change all '\' to '/'
     $result =~ s/\\/\//g;
     # Remove duplicate '/'
     $result =~ s/\/\//\//g;
     # Map to lower case
     $result =~ tr/A-Z/a-z/;
     print ("$result\n");
 }

Mercurial > jdk8-mips64-public / annotate

make/scripts/fixpath.pl@c12e759ac4e8 (annotated)

make/scripts/fixpath.pl