diff options
author | Guido Günther <agx@sigxcpu.org> | 2013-05-08 12:52:58 +0200 |
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committer | Guido Günther <agx@sigxcpu.org> | 2013-05-08 12:52:58 +0200 |
commit | 9a8e56049ebf9f0878c7fe3efc0921df8aa6a0ba (patch) | |
tree | 7d61a00fa8d6ec4667663370cc42b04be03ec569 /javac.in |
Imported Upstream version 7u21-2.3.9upstream/7u21-2.3.9upstream
Diffstat (limited to 'javac.in')
-rw-r--r-- | javac.in | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/javac.in b/javac.in new file mode 100644 index 0000000..3e41b67 --- /dev/null +++ b/javac.in @@ -0,0 +1,81 @@ +#!/usr/bin/perl -w +use strict; +use constant NO_DUP_ARGS => qw(-source -target -d -encoding); +use constant STRIP_ARGS_1 => qw(-Werror -implicit:none); +use constant STRIP_ARGS_2 => qw(-Xmaxwarns); + +my ($ECJ_WARNINGS, $JAVAC_WARNINGS); + +if ("@ENABLE_WARNINGS@" eq "yes") +{ + $ECJ_WARNINGS="-warn:-deprecation,serial,unused,warningToken"; + $JAVAC_WARNINGS="-Xlint:unchecked,cast,divzero,empty,finally,overrides"; +} +else +{ + $ECJ_WARNINGS="-nowarn"; + $JAVAC_WARNINGS="-nowarn"; +} + +my @bcoption; +push @bcoption, '-bootclasspath', glob '@abs_top_builddir@/bootstrap/jdk1.6.0/jre/lib/rt.jar' + unless grep {$_ eq '-bootclasspath'} @ARGV; +my @ecj_parms = ($ECJ_WARNINGS, @bcoption); +my @javac_parms = ($JAVAC_WARNINGS, '-Xprefer:source', + '-XDignore.symbol.file=true', '-J-Xmx1024m'); + +# Work around ecj's inability to handle duplicate command-line +# options and unknown javac options. +sub gen_ecj_opts +{ + my @new_args = @{$_[0]}; + + for my $opt (NO_DUP_ARGS) + { + my @indices = reverse grep {$new_args[$_] eq $opt} 0..$#new_args; + if (@indices > 1) { + shift @indices; # keep last instance only + splice @new_args, $_, 2 for @indices; + } + } + + for my $opt (STRIP_ARGS_1) + { + my @indices = reverse grep {$new_args[$_] eq $opt} 0..$#new_args; + splice @new_args, $_, 1 for @indices; + } + + for my $opt (STRIP_ARGS_2) + { + my @indices = reverse grep {$new_args[$_] eq $opt} 0..$#new_args; + splice @new_args, $_, 2 for @indices; + } + + return @new_args; +} + +if ( -e "@abs_top_builddir@/native-ecj" ) +{ + my @ecj_args = gen_ecj_opts( \@ARGV ); + exec '@abs_top_builddir@/native-ecj', @ecj_parms, @ecj_args ; +} +elsif ( -e "@JAVAC@" ) +{ + if ("@USING_ECJ@" eq "yes") + { + my @ecj_args = gen_ecj_opts( \@ARGV ); + exec '@JAVAC@', @ecj_parms, @ecj_args ; + } + else + { + exec '@JAVAC@', @javac_parms, @ARGV ; + } +} +else +{ + my @ecj_args = gen_ecj_opts( \@ARGV ); + my @CLASSPATH = ('@ECJ_JAR@'); + push @CLASSPATH, split /:/, $ENV{"CLASSPATH"} if exists $ENV{"CLASSPATH"}; + $ENV{"CLASSPATH"} = join ':', @CLASSPATH; + exec '@JAVA@', 'org.eclipse.jdt.internal.compiler.batch.Main', @ecj_parms, @ecj_args; +} |