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|
#!/usr/bin/perl -w
#
# This Makefile.PL is an interface to ./configure intended to be used
# by automatic CPAN builds. It just checks that some needed environment
# variables are set and eventually tries to guess their value...
#
# You should use it instead of the ./configure program ;
# it accepts the same options.
#
use strict;
my $libname = "libtqt-mt.so";
my @prefix = ('/usr', '/usr/local');
my $res="";
my %p;
my @alt;
exec "./configure --help" if grep /^-?-h(elp)?$/, @ARGV;
unless ($ENV{'TQTDIR'} or grep /--with-qt-dir/, @ARGV)
{
print "\n!!!!!!!!!!!! WARNING !!!!!!!!!!!!\n".
" Your TQTDIR environment variable is not set and you\n".
"did not use the '--with-qt-dir=' commandline option.\n".
"!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n\n";
print "Nevermind, I'll try to guess TQt's location.\n";
sleep(6);
for(@prefix)
{
my $stdpath = $_."/lib/qt3/lib";
if(-s $stdpath."/$libname")
{
push @alt, glob($stdpath."/$libname*");
print "Found what looks like a TQt-3 tree in $_/lib/qt3\n";
sleep(1);
}
}
unless (@alt)
{
@alt=`locate $libname 2>/dev/null`;
if(!check_exit_status($?) || !@alt)
{
print "mmh... locate did not help. We'll try a find then.\n";
sleep(2);
print "Scanning local file system (ctrl-c to abort)...\n";
@alt=`find / -name "$libname*" 2>/dev/null`;
}
}
if(!check_exit_status($?) || !@alt)
{
print "Still no luck... I'll give up and let ./configure work it out\n";
}
elsif(@alt>1)
{
print "We have several answers. I'll try to discriminate a bit...\n";
sleep(3);
for(@alt) { /(.*)\/lib\// and $p{$1}++ }
if(keys %p == 1)
{
$res = each %p;
}
else
{
my ($ver,$tmp)=(0,0);
for(@alt)
{
/$libname(?:\.(\d+))?(?:\.(\d+))?(?:\.(\d+))?$/o;
$tmp = (($1?$1:0)*100)+(($2?$2:0)*10)+($3?$3:0);
if($tmp>=$ver)
{
$ver = $tmp;
$res = (/(.*)\/lib\//)[0]
}
}
$res = each %p if keys %p ==1;
}
print $res?"OK. We can try --with-qt-dir=$res.\n":"No, that's too fuzzy. I'll give up and let ./configure decide.\n";
}
else
{
($res=$alt[0])=~s|(.*)/lib/.*|$1|;
print "Fine. We'll try with --with-qt-dir=$res.\n";
}
sleep(3);
}
unshift(@ARGV, "--with-qt-dir=$res") if $res;
unless ($ENV{'TDEDIR'} or grep /--prefix/, @ARGV)
{
print "\n!!!!!!!!!!!! WARNING !!!!!!!!!!!!\n".
" Your TDEDIR environment variable is not set and you\n".
"did not use the '--prefix=' commandline option.\n";
print "TDE isn't required at all. However, if it's installed on your system,\n".
"it is much better to specify it's location since PerlTQt uses (or build, if\n".
"it can't find it) a TDE library named smoketqt.\n";
print "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n\n";
sleep(5);
}
print "\nNow starting ./configure ...\n\n";
exec join " ", "./configure", @ARGV;
#--------------------------------------------------------------#
sub check_exit_status
{
my $a = 0xFFFF & shift;
if( !$a )
{
return 1;
}
elsif( $a == 0xFF00 )
{
#die "\nSystem call failed: $!\n";
}
elsif( $a > 0x80 )
{
# non-zero status.
}
else
{
if( $a & 0x80 )
{
#die "\nProgram coredumped with signal ". ($a & ~0x80);
}
die "\nProgram interrupted by signal $a\n";
}
return 0;
}
|
