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|
#
# Makefile.PL
#
# See lib/ExtUtils/MakeMaker.pm for details of how to influence
# the contents of the Makefile that is written.
#
require 5.002;
$PACKAGE = 'BSD::Resource';
use Config;
use ExtUtils::MakeMaker;
use File::Basename;
sub try_compile_and_link {
my ($c, %opt) = @_;
my ($ok) = 0;
my ($tmp) = "tmp$$";
local(*TMPC);
unlink("$tmp.c", "$tmp.o");
if (open(TMPC, ">$tmp.c")) {
print TMPC $c;
close(TMPC);
my $cc = exists $ENV{CC} ? $ENV{CC} : $Config{'cc'};
$cc = basename($cc) unless -x $cc;
my $cccmd = "$cc -c -o $tmp.o $Config{'ccflags'} $tmp.c 2>/dev/null";
if (system($cccmd) == 0) {
$ok = -s "$tmp.o";
}
unlink("$tmp.c", "$tmp.o");
}
$ok;
}
# This is unused for now.
sub try_cpp_and_grep {
my ($c, %opt) = @_;
my @g;
my ($tmp) = "tmp$$";
local(*TMPC);
unlink("$tmp.c", "$tmp.o");
if (open(TMPC, ">$tmp.c")) {
print TMPC $c;
close(TMPC);
my $cc = $Config{'cc'};
$cc = basename($cc) unless -x $cc;
my $cccmd = "$cc -E $Config{'ccflags'} $tmp.c 2>/dev/null";
local(*TMPE);
if (open(TMPE, "$cccmd|")) {
while (<TMPE>) {
push @g, /$opt{re}/g;
}
close(TMPE);
}
unlink("$tmp.c");
}
@g;
}
sub has_resource_h () {
return 1 if
try_compile_and_link(<<EOM);
#include <sys/resource.h>
static int foo;
EOM
return 2 if
try_compile_and_link(<<EOM);
#include <sys/types.h>
#include <sys/time.h>
#include <sys/resource.h>
static int foo;
EOM
# Solaris 1 weirdo header
return 3 if
try_compile_and_link(<<EOM);
#include <sys/rusage.h>
static int foo;
EOM
return 0;
}
sub init {
die <<EOM unless has_resource_h();
Your operating system does not seem to have <sys/resource.h> or <sys/rusage.h>.
There is no way $PACKAGE is going to work.
I am awfully sorry but I cannot go further.
Aborting configuration of $PACKAGE.
EOM
$DEFINE = '';
# old Solarises had this oddity.
$DEFINE .= ' -DI_SYS_RUSAGE' if (-r '/usr/include/sys/rusage.h');
# ucb is poison for Solaris.
$LIBS = $Config{'osname'} eq 'solaris' ? [''] : ['-lucb -lbsd'];
}
sub find_Rlim_t {
my ($tmp) = "rlim$$";
my ($worrynot) = 0;
print "You seem ";
my $has = try_compile_and_link(<<EOM);
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#ifdef I_SYS_TYPES
#include <sys/types.h>
#endif
#include <sys/resource.h>
static rlim_t foo = 0;
EOM
if ($has) {
$DEFINE .= ' -DRlim_t=rlim_t';
} else {
print "not ";
$worrynot = 1;
}
print "to have rlim_t defined (";
print $worrynot ? "this is okay" : "which is nice";
print ").\n\n";
}
sub configure {
find_Rlim_t;
if ($^O eq 'solaris' &&
$Config{ccflags} =~ /-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64/ &&
$Config{use64bitall} ne 'define') {
if (open(PROCFS, "/usr/include/sys/procfs.h")) {
my $noprocfs;
while (<PROCFS>) {
if (/^#error.*Cannot use.*procfs.*large file.*/) {
$noprocfs = 1;
last;
}
}
close(PROCFS);
if ($noprocfs) {
$DEFINE .= ' -DSOLARIS_NO_PROCFS';
}
}
}
}
sub doMakefile {
print <<EOM if ($$LIBS[0] ne '');
Looking for libraries...
Note: it is ok if none of the libraries '@$LIBS' is found.
EOM
WriteMakefile(
'NAME' => $PACKAGE,
'VERSION_FROM' => 'Resource.pm',
'LIBS' => $LIBS,
'DEFINE' => $DEFINE,
# do not even think about 'INC' => '-I/usr/ucbinclude', Solaris will avenge.
'dist' => { 'COMPRESS' => 'gzip' },
);
}
sub main {
print <<EOM;
Configuring $PACKAGE...
EOM
init;
configure;
doMakefile;
print <<EOM;
Done configuring $PACKAGE.
Now you may issue 'make'. Do not forget also 'make test'.
EOM
}
&main;
# EOF
|
