diff options
Diffstat (limited to 'debian/gij-wrapper-BV')
-rw-r--r-- | debian/gij-wrapper-BV | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/debian/gij-wrapper-BV b/debian/gij-wrapper-BV new file mode 100644 index 0000000..114ec1b --- /dev/null +++ b/debian/gij-wrapper-BV @@ -0,0 +1,98 @@ +#!/usr/bin/perl -w +# +# Starts the GNU Java interpreter. +# +# Command-line arguments should be in the style of Sun's Java runtime; +# these will be converted to gij arguments before being passed to the +# gij itself. +# +# The Debian JNI module directory and any other specified JNI +# directories will be included on the JNI search path. +# +# Copyright (C) 2002-2003 by Ben Burton <bab@debian.org> +# Based on the original gij-wrapper-3.2 shell script. + +use strict; + +# The real Java runtime: +my $javaRuntime = '/usr/bin/gij-@BV@'; + +# The debian JNI module directory: +my $debianJNIDir = '/usr/lib/jni'; + +# The command-line arguments to pass to the real Java runtime: +my @commandLine; + +# The full JNI search path to use: +my $JNIPath = ''; + +# Build the command-line from the arguments given. +my $parsingOptions = 1; + +# Flag used to copy argument to -classpath or -cp. +my $copyNext = 0; +foreach my $arg (@ARGV) { + if (not $parsingOptions) { + # We're done parsing options; just copy all remaining arguments directly. + push @commandLine, $arg; + next; + } + if ($copyNext) { + push @commandLine, $arg; + $copyNext = 0; + next; + } + + # Try to interpret Sun-style options. + if ($arg eq '-version') { + push @commandLine, '--version'; + } elsif ($arg eq '-h' or $arg eq '-help') { + push @commandLine, '--help'; + } elsif ($arg eq '-cp' or $arg eq '--cp') { + push @commandLine, '-cp'; + $copyNext = 1; + } elsif ($arg eq '-classpath' or $arg eq '--classpath') { + push @commandLine, '-classpath'; + $copyNext = 1; + } elsif ($arg =~ /^-Djava.library.path=(.+)$/) { + # A component of the JNI search path has been given. + if ($JNIPath) { + $JNIPath = $JNIPath . ':' . $1; + } else { + $JNIPath = $1; + } + } elsif ($arg eq '-jar' or $arg =~ /^-D/) { + # Copy the argument directly. + push @commandLine, $arg; + } elsif ($arg =~ /^-/) { + # An unrecognised option has been passed - just drop it. + } else { + # Some non-option argument has been given. + # Stop parsing options at this point. + push @commandLine, $arg; + $parsingOptions = 0; + } +} + +# Add the debian JNI module directory to the JNI search path if it's not +# already there. +if ($JNIPath !~ /(^|:)$debianJNIDir($|:)/) { + if ($JNIPath) { + $JNIPath = $JNIPath . ':' . $debianJNIDir; + } else { + $JNIPath = $debianJNIDir; + } +} + +# Use environment variable $LTDL_LIBRARY_PATH to store the JNI path, +# since gij uses libltdl to dlopen JNI modules. +if ($ENV{LTDL_LIBRARY_PATH}) { + $ENV{LTDL_LIBRARY_PATH} = $ENV{LTDL_LIBRARY_PATH} . ':' . $JNIPath; +} else { + $ENV{LTDL_LIBRARY_PATH} = $JNIPath; +} + +# Call the real Java runtime. +my @fullCommandLine = ( $javaRuntime ); +push @fullCommandLine, @commandLine; +exec @fullCommandLine or exit(1); |