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DBD-SQLite: added a code to look for a compiler from Module::Install::Can

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This commit is contained in:
Kenichi Ishigaki 2009-08-15 11:00:58 +00:00
parent e761e1af79
commit cf9c4c5498
1 changed files with 50 additions and 0 deletions
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50
Makefile.PL
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@ -58,6 +58,56 @@ if ( $@ or DBI->VERSION < $DBI_required ) {
exit(0);
}
# See if we have a C compiler
# The following code is adapted from Module::Install::Can
{
# Fix Cygwin bug on maybe_command();
if ( $^O eq 'cygwin' ) {
require ExtUtils::MM_Cygwin;
require ExtUtils::MM_Win32;
if ( ! defined(&ExtUtils::MM_Cygwin::maybe_command) ) {
*ExtUtils::MM_Cygwin::maybe_command = sub {
my ($self, $file) = @_;
if ($file =~ m{^/cygdrive/}i and ExtUtils::MM_Win32->can('maybe_command')) {
ExtUtils::MM_Win32->maybe_command($file);
} else {
ExtUtils::MM_Unix->maybe_command($file);
}
}
}
}
sub can_run {
my $cmd = shift;
my $_cmd = $cmd;
return $_cmd if (-x $_cmd or $_cmd = MM->maybe_command($_cmd));
for my $dir ((split /$Config::Config{path_sep}/, $ENV{PATH}), '.') {
next if $dir eq '';
my $abs = File::Spec->catfile($dir, $_[1]);
return $abs if (-x $abs or $abs = MM->maybe_command($abs));
}
return;
}
sub can_cc {
my @chunks = split(/ /, $Config::Config{cc}) or return;
# $Config{cc} may contain args; try to find out the program part
while (@chunks) {
return can_run("@chunks") || (pop(@chunks), next);
}
return;
}
unless (can_cc()) {
print "We can't locate a C compiler from your Config.pm.\n";
exit(0);
}
}
# Determine if we are going to use the provided SQLite code, or an already-
# installed copy. To this end, look for two command-line parameters:
#