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|
# Makefile.PL for PDL::Primitive module.
# Use this as a template for the Makefile.PL for
# any external PDL module.
use ExtUtils::MakeMaker;
use File::Basename;
use Config;
require File::Spec;
$fs = 'File::Spec';
sub cdir { return $fs->catdir(@_)}
sub cfile { return $fs->catfile(@_)}
sub is_sys_func {
my ( $code, $libs ) = @_;
trylink( '', qq{#include "$dir/mconf.h"}, $code, $libs );
}
PDL::Core::Dev->import();
# Files for each routine (.c assumed)
%source = qw( acosh acosh
asinh asinh
atanh atanh
erf ndtr
erfc ndtr
j0 j0
j1 j1
jn jn
y0 j0
y1 j1
yn yn
erfi ndtri
ndtri ndtri
rint rint
nan quiet_nan
infinity infinity
polyroots cpoly
);
@keys = sort keys %source;
%included = ();
# test for library features
my (@sfuncs) = qw(nan infinity);
my (@ufuncs2) = qw(acosh asinh atanh erf erfc rint);
my (@besufuncs) = qw(j0 j1 y0 y1);
my (@besbifuncs) = qw(jn yn);
my ($libs) = $^O =~ /MSWin/ ? '' : $^O =~ /cygwin/ ? getcyglib('m') : '-lm';
if ($^O eq 'solaris' or $^O eq 'sunos') {
# try to guess where sunmath is
my @d = split /:+/, $ENV{LD_LIBRARY_PATH};
my $ok = 0;
for my $d (@d) {
if (-e "$d/libsunmath.so" or -e "$d/libsunmath.a" ) {
$libs = "-lsunmath $libs";
$ok = 1;
last;
}
}
if (!$ok) {
print "libsunmath not found in LD_LIBRARY_PATH: looking elsewhere\n";
# get root directory of compiler; may be off of there
my @dirs = ();
foreach my $p ( split(':', $ENV{'PATH'} ) )
{
next unless -e "$p/$Config{cc}";
push @dirs, dirname($p) . '/lib';
last;
}
push @dirs, '/opt/SUNWspro/lib'; # default location if all else fails
for my $d ( @dirs ) {
if (-e "$d/libsunmath.so") {
$libs = "-R$d -L$d -lsunmath $libs";
$ok = 1;
last;
}
if (-e "$d/libsunmath.a") {
$libs = "-L$d -lsunmath $libs";
$ok = 1;
last;
}
}
}
if (!$ok) {
print "Couldn't find sunmath library in standard places\n\n";
print "If you can find libsunmath.a or libsunmath.so\n";
print "please let us know at pdl-porters\@jach.hawaii.edu\n\n";
}
}
# Test for absence of unary functions
use Cwd;
$mmdir = $mdir = cdir 'Basic','Math';
$mmdir =~ s/\\/\\\\/g;
$dir = $fs->canonpath(cwd);
$dir = cdir $dir, $mdir unless $dir =~ /$mmdir$/;
my $tempd = $PDL::Config{TEMPDIR} ||
die "TEMPDIR not found in %PDL::Config";
foreach (@sfuncs) {
$source{$_} = 'system' if is_sys_func( "$_();", $libs );
}
foreach (@ufuncs2) {
$source{$_} = 'system' if is_sys_func( "$_(1.);", $libs );
}
# Test for absence of besfuncs
foreach (@besufuncs) {
if ( is_sys_func( "$_(1.);", $libs ) ) {
$source{$_} = 'system';
next if $_ ne 'y0';
# Need to test for buggy glibc
open (RES,"$te |");
my ($n) = <RES>;
close RES;
# print "Done y0 test, received $n\n";
$n /= 0.088257; # This _should_ be the answer
$n -= 1.;
if ($n*$n > 1e-3) {
delete $source{$_};
delete $source{'yn'};
$source{'fixy0'} = 'j0';
$source{'fixyn'} = 'yn';
@keys = sort keys %source;
}
}
}
foreach (@besbifuncs) {
next if ! exists $source{$_}; # May have been deleted in buggy case
$source{$_} = 'system' if is_sys_func( "$_(1,1.);", $libs );
}
print "Source of functions\nSystem: ";
foreach (@keys) {
print " $_" if $source{$_} eq 'system';
}
print "\nDistribution:";
foreach (@keys) {
print " $_" if $source{$_} ne 'system';
}
print "\n\n";
@pack = (["math.pd",Math,PDL::Math]);
%hash = pdlpp_stdargs_int(@::pack);
%seen = (); # Build object file list
foreach $func (@keys) {
$file = $source{$func};
next if $file eq 'system';
die "File for function $func not found\n" if $file eq '';
$hash{OBJECT} .= " $file\$(OBJ_EXT)" unless $seen{$file}++;
$hash{DEFINE} .= ' -DMY_'.uc($func);
}
# Add support routines
$hash{OBJECT} .= " const\$(OBJ_EXT) mtherr\$(OBJ_EXT) polevl\$(OBJ_EXT)";
$hash{LIBS}->[0] .= " $libs";
WriteMakefile(%hash);
sub MY::postamble {
pdlpp_postamble_int(@::pack);
} # Add genpp rule
|
