# Makefile.PL for a package defined by PP code.
use ExtUtils::MakeMaker;
use Config;
# use PDL::Core::Dev; # needed for stand-alone version of package.
# Need to comment out
# for package included in PDL distro.
PDL::Core::Dev->import();
use vars qw /$plplotvers/; # version of plplot used
# Pick up development utilities
PDL::Core::Dev->import();
#
## Search for plplot library and include file
#
print "\nChecking PDL::Graphics::PLplot...\n";
unlink ("OPTIONS!"); # remove file uses to communicate with plplot.pd
# on OS-X the library is called libplplotd.dylib, so we
# use $Config{"so"} to get the extension name
#
my $libname = "libplplotd." . $Config{"so"};
my $incname = "plplot.h";
my $found_plplot =
(defined($PDL::Config{WITH_PLPLOT}) && (!$PDL::Config{WITH_PLPLOT}))
? 0 : 1;
print "found_plplot is $found_plplot\n";
unless ($found_plplot) {
buildDummy ("User requested no PLplot interface!");
return if (caller); exit;
}
foreach my $libdir (
'/usr/local/plplot/lib',
'/usr/local/lib',
'/opt/local/lib',
'/usr/lib',
'/opt/lib',
'/ops/tools/lib',
'/sw/lib/', # default FINK installation
$PDL::Config{WHERE_PLPLOT_LIBS},
# Add new library paths here!!
) {
if (-e "$libdir/$libname") {
$plplot_lib_path = $libdir;
$ENV{LD_LIBRARY_PATH} .= ":$libdir";
last;
} elsif (-e "$libdir/$libname.a") {
$plplot_lib_path = $libdir;
$ENV{LD_LIBRARY_PATH} .= ":$libdir";
$libname = $libname . ".a";
last;
}
}
unless (defined ($plplot_lib_path)) {
buildDummy ("Cannot find plplot library ($libname), skipping PDL::Graphics::PLplot\n");
return if (caller); exit;
}
foreach my $incdir (
'/usr/local/plplot/include',
'/usr/local/plplot/include/plplot',
'/usr/local/include/plplot',
'/usr/local/include',
'/opt/local/include',
'/usr/include',
'/usr/include/plplot',
'/opt/include',
'/ops/tools/include/plplot',
'/ops/tools/include',
'/sw/include/plplot/', # default FINK installation
$PDL::Config{WHERE_PLPLOT_INCLUDE},
# Add new header paths here!!
) {
if (-e "$incdir/$incname") {
$plplot_include_path = "-I$incdir";
if ($incdir =~ m|/plplot$|) {
$inc2 = $incdir;
$inc2 =~ s|/plplot$||;
$plplot_include_path .= " -I$inc2";
}
last;
}
}
unless (defined ($plplot_include_path)) {
buildDummy ("Cannot find plplot header file ($incname), skipping PDL::Graphics::PLplot\n");
return if (caller); exit;
}
# Test that PLplot was compiled --with-double (IE, a PLFLT is a double)
my $size = compileAndRun ("$plplot_include_path", 1, <<'EOC');
#include <plplot.h>
main () { printf ("%d", sizeof (PLFLT)); }
EOC
unless ($size == 8) {
print " Sizeof(PLFLT) must be 8. PLplot must be compiled --with-double (IE ./configure --with-double)\n";
$found_plplot = 0;
}
# Try linking with library. New if blocks should be added if necessary
my $libs;
foreach my $l (
"-L$plplot_lib_path -lplplotd -lX11",
"-L$plplot_lib_path -lplplotd",
# New lib combinations should be added here!
) {
if (trylink( '', '#include <plplot.h>', 'plinit();', "$l $plplot_include_path")) {
$libs = $l;
print "\tSucceeded linking PLplot with $libs\n";
last;
}
}
unless (defined($libs)) {
buildDummy ("Cannot find good set of libraries for linking PLplot, try fiddling perldl.conf\n");
return if (caller); exit;
}
# Test if PLplot has plsmem, for in memory plotting
eval { compileAndRun ("$plplot_include_path -L$plplot_lib_path -lplplotd", 0, <<'EOC');
#include <plplot.h>
main () { plsmem (0, 0, NULL); }
EOC
};
if ($@) {
print "\tplsmem function not available, no in-memory plotting available!\n";
open (OPT, ">>OPTIONS!");
print OPT "NOMEM!\n";
close OPT;
} else {
print "\tplsmem function found, in-memory plotting available!\n";
}
# Test if PLplot has plsvect, for in vector plotting
eval { compileAndRun ("$plplot_include_path -L$plplot_lib_path -lplplotd", 0, <<'EOC');
#include <plplot.h>
main () { plsvect (NULL, NULL, 0, 0); }
EOC
};
if ($@) {
print "\tplsvect function not found, no vector plotting available!\n";
open (OPT, ">>OPTIONS!");
print OPT "NOVECT!\n";
close OPT;
} else {
print "\tplsvect function found, vector plotting available!\n";
}
# Test if PLplot has 5 argument plpoly3 (5.1.1 and earlier) or 6 argument (5.2.0 and later)
eval { compileAndRun ("$plplot_include_path -L$plplot_lib_path -lplplotd", 0, <<'EOC');
#include <plplot.h>
main () { plpoly3 (0, NULL, NULL, NULL, NULL); }
EOC
};
if ($@) {
print "\tplpoly3 needs 6 arguments => version 5.2.0 or later!\n";
open (OPT, ">>OPTIONS!");
print OPT "PLPOLY3 = 6\n";
close OPT;
} else {
print "\tplpoly3 needs 5 arguments => version 5.1.1 or earlier!\n";
open (OPT, ">>OPTIONS!");
print OPT "PLPOLY3 = 5\n";
close OPT;
}
$PDL::Config{WITH_PLPLOT} = 1;
#
## new way to get writemakefile args...
#
@pack = (["plplot.pd",PLplot,PDL::Graphics::PLplot]);
%hash = pdlpp_stdargs_int(@::pack);
$hash{'OPTIMIZE'} = '-g'; # If you want to debug, uncomment this.
$hash{'VERSION'} = '0.21';
$hash{'LIBS'} = [$libs];
$hash{'INC'} .= " $plplot_include_path";
$hash{'clean'} = {'FILES' =>
'PLplot.pm PLplot.xs PLplot.o PLplot.c PLplot.bs *.xfig temp* OPTIONS! Makefile.old'};
WriteMakefile(%hash);
# Add genpp rule
sub MY::postamble {
pdlpp_postamble_int(@::pack);
}
### $package = ["plplot.pd",PLplot,PDL::Graphics::PLplot];
### WriteMakefile(
### 'NAME' => 'PDL::Graphics::PLplot',
### 'CCFLAGS' => "-g",
### 'VERSION_FROM' => 'Makefile.PL',
### 'TYPEMAPS' => [&PDL_TYPEMAP()],
### 'OBJECT' => 'PLplot.o ',
### 'PM' => { 'PLplot.pm' => '$(INST_LIBDIR)/PLplot.pm' },
### 'INC' => &PDL_INCLUDE()." $plplot_include_path",
### 'LIBS' => [$libs],
### 'clean' => {'FILES' =>
### 'PLplot.pm PLplot.xs PLplot.o PLplot.c PLplot.bs *.xfig temp* OPTIONS! Makefile.old'},
### );
###
### sub MY::postamble { pdlpp_postamble($package); }
sub compileAndRun {
my $flags = shift;
my $run = shift;
my $code = shift;
open (OUT, ">temp.c");
print OUT $code;
close OUT;
unlink './temp'; # since we work out whether the compile succeeds by presence of this
unlink './temp.exe'; # since we work out whether the compile succeeds by presence of this
my $cc = $Config{cc};
my $ccflags = $Config{ccflags};
# print "Trying: $cc $ccflags $flags temp.c -o temp\n";
system "$cc $ccflags $flags temp.c $flags -o temp > /dev/null 2>&1";
unlink('./temp.c');
die "Cannot compile test program: $code" unless (-e 'temp' or -e 'temp.exe');
return unless ($run);
my $res = `./temp`;
unlink ('./temp');
return $res;
}
sub buildDummy {
my $msg = shift;
$msg .= "\n Not building PDL::Graphics::PLplot\n";
warn $msg . "\n";
$msg =~ s/\n//g;
write_dummy_make( $msg );
$PDL::Config{WITH_PLPLOT} = 0;
}