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[p5sagit/p5-mst-13.2.git] / jpl / JNI / Makefile.PL

#!/usr/bin/perl\r
use ExtUtils::MakeMaker;\r
use Getopt::Std;\r
use Config;\r
$ARCHNAME = $Config{archname};\r
use File::Basename;\r
\r
getopts('e'); # embedding?\r
\r
$CCFLAGS .= $ENV{CCFLAGS} if defined $ENV{CCFLAGS};\r
\r
# $USE_KAFFE is a boolean that tells us whether or not we should use Kaffe.\r
# Set by find_includes (it seemed as good a place as any).\r
\r
# Note that we don't check to see the version of Kaffe is one we support.\r
#  Currently, the only one we support is the one from CVS.\r
\r
my $USE_KAFFE = 0;\r
\r
#require "JNIConfig";\r
\r
if ($^O eq 'solaris') {\r
    $LIBPATH = " -R$Config{archlib}/CORE -L$Config{archlib}/CORE";\r
} elsif ($^O eq 'MSWin32') {\r
    $LIBPATH = " -L$Config{archlib}\\CORE";\r
    # MSR - added MS VC++ default library path\r
    # bjepson - fixed to support path names w/spaces in them.\r
    push(@WINLIBS, (split"\;",$ENV{LIB}));\r
    grep s/\\$//, @WINLIBS; # eliminate trailing \\r
    grep s/\/$//, @WINLIBS; # eliminate trailing /\r
    $LIBPATH .= join(" ", "", map { qq["-L$_" ] } @WINLIBS);\r
} else {\r
    $LIBPATH = " -L$Config{archlib}/CORE";\r
}\r
#$LIBS = " -lperl";\r
\r
# Figure out where Java might live\r
#\r
# MSR - added JDK 1.3\r
#\r
\r
my @JAVA_HOME_GUESSES = qw(/usr/local/java /usr/java /usr/local/jdk117_v3\r
                         C:\\JDK1.1.8 C:\\JDK1.2.1 C:\\JDK1.2.2 C:\\JDK1.3 );\r
\r
my @KAFFE_PREFIX_GUESSES = qw(/usr/local /usr);\r
\r
if (! defined $ENV{JAVA_HOME}) {\r
        print "You didn't define JAVA_HOME, so I'm trying a few guesses.\n";\r
        print "If this fails, you might want to try setting JAVA_HOME and\n";\r
        print "running me again.\n";\r
} else {\r
        @JAVA_HOME_GUESSES = ( $ENV{JAVA_HOME} );\r
}\r
\r
if (! defined $ENV{KAFFE_PREFIX}) {\r
        print "\nYou didn't define KAFFE_PREFIX, so I'm trying a few guesses.",\r
          "\nIf this fails, and you are using Kaffe, you might want to try\n",\r
          "setting KAFFE_PREFIX and running me again.\n",\r
          "If you want to ignore any possible Kaffe installation, set the\n",\r
          "KAFFE_PREFIX to and empty string.\n\n";\r
} else {\r
        @KAFFE_PREFIX_GUESSES = ($ENV{KAFFE_PREFIX} eq "") ? () :\r
                                                       ( $ENV{KAFFE_PREFIX} );\r
}\r
\r
my(@KAFFE_INCLUDE_GUESSES, @KAFFE_LIB_GUESSES);\r
foreach my $kaffePrefix (@KAFFE_PREFIX_GUESSES) {\r
     push(@KAFFE_INCLUDE_GUESSES, "$kaffePrefix/include/kaffe");\r
     push(@KAFFE_LIB_GUESSES, "$kaffePrefix/lib");\r
     push(@KAFFE_LIB_GUESSES, "$kaffePrefix/lib/kaffe");\r
}\r
    $guess .= "/include/kaffe";\r
\r
# Let's find out where jni.h lives\r
#\r
my @INCLUDE = find_includes();\r
\r
if ($^O eq 'MSWin32') {\r
  # MSR - added MS VC++ default include path\r
  push(@INCLUDE,(split"\;",$ENV{INCLUDE}));\r
  grep s/\\$//, @INCLUDE; # remove trailing \\r
  grep s/\/$//, @INCLUDE; # remove trailing \\r
  $INC = join("", map { qq["-I$_" ] } @INCLUDE);\r
\r
} else {\r
  $INC = join(" -I", ("", @INCLUDE));\r
}\r
\r
# Let's find out the name of the Java shared library\r
#\r
my @JAVALIBS = find_libs();\r
\r
# Find out some defines based on the library we are linking to\r
#\r
foreach (@JAVALIBS) {\r
    if ( $^O eq 'MSWin32') { # We're on Win32\r
        $INC =~ s#/#\\#g;\r
        $INC =~ s#\\$##;\r
	  print $INC, "\n";\r
        $CCFLAGS .= " -DWIN32 -Z7 -D_DEBUG";\r
        $MYEXTLIB = "$libjava";\r
      }\r
}\r
\r
$CCFLAGS .= " -DKAFFE" if ($USE_KAFFE);\r
\r
# Let's find out the path of the library we need to link against.\r
#\r
foreach (@JAVALIBS) {\r
    if ($^O eq 'MSWin32') { # We're on Win32\r
        $_ =~ s#/#\\\\#g;\r
    }\r
    my ($libname, $libpath, $libsuffix) = fileparse($_, ("\.so", "\.lib"));\r
    $libname =~ s/^lib//;\r
    if ($^O eq 'solaris') {\r
        $LIBPATH .= " -R$libpath -L$libpath"\r
    } else {\r
        $LIBPATH .= " -L$libpath"\r
    }\r
    $LIBS .= " -l$libname";\r
}\r
\r
# Do we need -D_REENTRANT?\r
if ($LIBPATH =~ /native/) {\r
    print "Looks like native threads...\n";\r
    $CCFLAGS .= " -D_REENTRANT";\r
}\r
\r
if ($opt_e) {\r
    print "We're embedding Perl in Java via libPerlInterpreter.so.\n";\r
    eval `../setvars -perl`;\r
    $CCFLAGS .= " -DEMBEDDEDPERL";\r
    $LIBPATH .= " -R$ENV{JPL_HOME}/lib/$ARCHNAME -L$ENV{JPL_HOME}/lib/$ARCHNAME";\r
    $LIBS    .= " -lPerlInterpreter";\r
}\r
\r
# Needed for JNI.\r
if ($^O eq 'solaris') {\r
    $LIBS = " -lthread -lc $LIBS"; #-lthread must be first!!!\r
    $CCFLAGS .= " -D_REENTRANT";\r
}\r
\r
# MSR - clean up LIBS\r
$LIBS =~ s/-l$//;\r
\r
#\r
# Next, build JNI/Config.pm.  This is a superfluous thing for the SUN and\r
# Microsoft JDKs, but absolutely necessary for Kaffe.  I think at some\r
# point, the Microsoft and SUN implementations should use JNI::Config, too.\r
#\r
\r
if (! -d "JNI") {\r
    mkdir("JNI", 0755) || die "Unable to make JNI directory: $!";\r
}\r
open(JNICONFIG, ">JNI/Config.pm") || die "Unable to open JNI/Config.pm: $!";\r
\r
print JNICONFIG "# DO NOT EDIT!   Autogenerated by JNI/Makefile.PL\n\n",\r
                "package JNI::Config;\nuse strict;\nuse Carp;\n",\r
                "\nuse vars qw(\$KAFFE \$LIB_JAVA \$CLASS_HOME ",\r
                "\$LIB_HOME);\n\n",\r
                "\$KAFFE = $USE_KAFFE;\n\$LIB_JAVA = \"$JAVALIBS[0]\";\n";\r
if ($USE_KAFFE) {\r
  my $path = $JAVALIBS[0];\r
  $path =~ s%/(kaffe/)?libkaffevm.so$%%;\r
\r
  print JNICONFIG "\$LIB_HOME = \"$path/kaffe\";\n";\r
  $path =~ s%/lib%%;\r
  print JNICONFIG "\$CLASS_HOME = \"$path/share/kaffe\";\n";\r
}\r
print JNICONFIG "\n\n1;\n";\r
close JNICONFIG;\r
\r
\r
my %Makefile = (\r
    NAME        => 'JNI',\r
    VERSION_FROM => 'JNI.pm',\r
    DEFINE        => '',\r
    LINKTYPE => 'dynamic',\r
    INC        => $INC,\r
    CCFLAGS => "$Config{ccflags} $CCFLAGS", \r
    ($Config{archname} =~ /mswin32.*-object/i ? ('CAPI' => 'TRUE') : ()),\r
\r
    clean => {FILES => "JNI/* JNI"}\r
);\r
\r
$Makefile{LIBS} = ["$LIBPATH $LIBS"];\r
if ($MYEXTLIB) {\r
    $Makefile{MYEXTLIB} = $MYEXTLIB;\r
}\r
\r
# See lib/ExtUtils/MakeMaker.pm for details of how to influence\r
# the contents of the Makefile that is written.\r
#\r
WriteMakefile(%Makefile);\r
\r
if ($USE_KAFFE) {\r
  my $path = $JAVALIBS[0];\r
  $path =~ s%/libkaffevm.so$%%;\r
  print "\n\n***NOTE: be sure to have:\n",\r
            "              LD_LIBRARY_PATH=$path\n",\r
            "         in your enviornment (or installed as a system dynamic\n",\r
            "         library location) when you compile and run this.\n";\r
}\r
\r
# subroutine to find a library\r
#\r
sub find_stuff {\r
\r
    my ($candidates, $locations) = @_;\r
    my $lib;\r
    $wanted = sub {\r
        foreach my $name (@$candidates) {\r
            if (/$name$/ and ! /green_threads/ and !/include-old/) {\r
                    $lib = $File::Find::name;\r
            }\r
        }\r
    };\r
    \r
    use File::Find;\r
    foreach my $guess (@$locations) {\r
        next unless -d $guess;\r
        find (\&$wanted, $guess);\r
    }\r
    if (! $lib) {\r
        print "Could not find @$candidates\n";\r
    } else {\r
        print "Found @$candidates as $lib\n\n";\r
    }\r
    return $lib;\r
}\r
\r
# Extra lib for Java 1.2\r
#\r
#  if we want KAFFE, check for it, otherwise search for Java\r
\r
sub find_libs {\r
  my($libjava, $libawt, $libjvm);\r
\r
  if ($USE_KAFFE) {\r
    $libjava = find_stuff(['libkaffevm.so'], \@KAFFE_LIB_GUESSES);\r
    $libawt = find_stuff(['libawt.so'], \@KAFFE_LIB_GUESSES);\r
  } else {\r
    $libjava = find_stuff(['libjava.so', 'javai.lib', 'jvm.lib'],\r
                             \@JAVA_HOME_GUESSES);\r
    $libjvm  = find_stuff(['libjvm.so'],  \@JAVA_HOME_GUESSES);\r
    $libawt  = find_stuff(['libawt.so'], \@JAVA_HOME_GUESSES);\r
    if (defined $libjvm) { # JDK 1.2\r
      my $libhpi  = find_stuff(['libhpi.so'], \@JAVA_HOME_GUESSES);\r
      return($libjava, $libjvm, $libhpi, $libawt);\r
    }\r
  }\r
  return($libjava, $libawt);\r
}\r
\r
# We need to find jni.h and jni_md.h\r
#\r
\r
# Always do find_includes as the first operation, as it has the side effect\r
# of deciding whether or not we are looking for Kaffe.  --bkuhn\r
\r
sub find_includes {\r
\r
  my @CANDIDATES = qw(jni.h jni_md.h);\r
  my @includes;\r
\r
  sub find_inc {\r
    foreach my $name (@CANDIDATES) {\r
      if (/$name$/) {\r
	my ($hname, $hpath, $hsuffix) = \r
	  fileparse($File::Find::name, ("\.h", "\.H"));\r
	unless ($hpath =~ /include-old/) {\r
	  print "Found $hname$hsuffix in $hpath\n";\r
	  push @includes, $hpath;\r
	} \r
      }\r
    }\r
  }\r
    \r
  use File::Find;\r
  foreach my $guess (@KAFFE_INCLUDE_GUESSES) {\r
    next unless -d $guess;\r
    find (\&find_inc, $guess);\r
  }\r
  # If we have found includes, then we are using Kaffe.\r
  if (@includes > 0) {\r
    $USE_KAFFE = 1;\r
  } else {\r
    foreach my $guess (@JAVA_HOME_GUESSES) {\r
      next unless -d $guess;\r
      find (\&find_inc, $guess);\r
    }\r
  }\r
  die "Could not find Java includes!" unless (@includes);\r
\r
  return @includes;\r
}\r
\r