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|
require 5.003;
use lib ".";
use ExtUtils::MakeMaker;
BEGIN {
eval 'use blib "../ExtUtils";' # For KGB development
if -e "../ExtUtils";
}
use ExtUtils::F77; # This should work most of the time
# Examples of how to explicitly override default automatic choice
# of OS and compiler (currently commented out):
#use ExtUtils::F77 qw(solaris);
#use ExtUtils::F77 qw(generic g77);
use Config;
use IO::File;
use strict;
# use command line KEY=VALUE to override defaults. VALUES are comma
# separated lists
my %Arg = (
# X11 library directories
XDIR => '/usr/openwin/lib,/usr/X11/lib,/usr/X11R6/lib',
# X11 libraries
XLIB => 'X11',
# where cpgplot.h should be
IDIR => $ENV{PGPLOT_DIR} || '/usr/include,/usr/local/pgplot',
# where libpgplot.a should be
LDIR => $ENV{PGPLOT_DIR} || '/usr/lib',
# extra libraries and directories
EXLIB => 'png',
EXDIR => '/usr/local/lib',
);
my @NARGV;
while( $_ = shift @ARGV )
{
if ( /^([\S]+)=(.+)/ && exists $Arg{$1} )
{
$Arg{$1} = $2;
}
else
{
push @NARGV, $_;
}
}
@ARGV = @NARGV;
my $LIBDIRS = join(' ', map { "-L$_" }
map { split( ',', $_ ) }
@Arg{qw/ XDIR LDIR EXDIR /}
);
my $LIBS = join(' ', map { "-l$_" }
qw/ pgplot cpgplot /,
map { split( ',', $_ ) } @Arg{qw/ XLIB EXLIB /}
);
my $IDIRS = join( ' ', map { "-I$_" } split( ',', $Arg{IDIR} ) );
#
# Usage:
# $needed_libs = find_required_driver_libs($dir);
#
# Aim:
# Parse the drivers.list file to find out what extra libraries
# are needed by the module. The file is assumed to be in
# the directory $dir. If the file can not be read then
# "" is returned rather than exiting with an error.
#
# The return value is a string like "-lpng -laquaterm", which
# can be "".
#
# This is only used in the OS-X case. It is not currently guaranteed
# to be complete since I have not made a complete study of the
# drivers.
#
sub find_required_driver_libs ($) {
my $indir = shift;
my $infile = "${indir}/drivers.list";
my $retval = "";
my $fh = IO::File->new( "< $infile" )
or return $retval;
# known library requirements
#
my %libs = (
'PNDRIV' => 'png',
'AQDRIV' => 'aquaterm',
);
while (<$fh>) {
next if /^\s*$/ or /^!/; # /; (comment is to un-confuse emacs highlighting)
chomp;
my @words = split;
if ( exists $libs{$words[0]} ) {
$retval .= " -l" . $libs{$words[0]};
delete $libs{$words[0]}; # since the driver can appear multiple times in drivers.list
}
}
$fh->close;
return $retval;
} # sub: find_required_driver_libs()
# What os are we using?
#
my $is_vms = $^O eq "VMS";
my $is_osx = $^O eq "darwin";
my $is_win32 = $^O =~ /mswin32/i;
# Move the logic out of the WriteMakefile statement to make it a
# bit easier to follow. We use the %items hash to store key,value
# pairs that will be used in the WriteMakefile call. Note that
# some key settings are platform specific.
#
my %items;
$items{DEFINE} = "-DNO_TRAILING_USCORE"
unless ExtUtils::F77->trail_;
$items{DLEXT} = "xs.dll" if $is_win32;
if ( $is_vms ) {
$items{INC} = 'pgplot_dir:';
$items{LIBS} = 'pgplot_dir:cpgplot.olb';
} else {
$items{INC} = $IDIRS;
$items{OBJECT} = '$(BASEEXT)$(OBJ_EXT) pgplot_tmp/libcpgplot.a ' .
'pgplot_tmp/libpgplot.a'
if -d 'pgplot_tmp';
$items{LIBS} = [ join( ' ', $LIBDIRS, $LIBS, ExtUtils::F77->runtime ) ];
# This is not ideal since it assumes that:
# objc is required
# the logic in find_required_driver_libs() is correct
# the libraries are located either in a location pointed to by LDFLAGS
# or in /sw/lib
#
if ($is_osx) {
my $pgplot_dir = defined $ENV{PGPLOT_DIR} ? $ENV{PGPLOT_DIR} : "/usr/lib";
my $dir = -d 'pgplot_tmp' ? 'pgplot_tmp' : $pgplot_dir;
$items{LIBS}[0] .= " -lobjc " .
(defined $ENV{LDFLAGS} ? $ENV{LDFLAGS} : "-L/sw/lib") .
find_required_driver_libs($pgplot_dir);
}
# The following is needed for PGPLOT compiled on OS-X, at least
# for both the version used from FINK and a hand-compiled version.
#
$items{LDDLFLAGS} = "$Config{lddlflags} -Wl,-framework -Wl,Foundation"
if $is_osx;
}
WriteMakefile(
'NAME' => 'PGPLOT',
'PREREQ_PM' => { 'ExtUtils::F77' => 1.13 },
'VERSION_FROM' => 'PGPLOT.pm',
'dist' => { COMPRESS=>"gzip", SUFFIX=>"gz" },
'depend' => { '$(OBJECT)' => q[pgfun.c arrays.c PGPLOT.c]},
%items
);
|
