Configure: pull 'which' back.

At earlier point 'which' was replaced with IPC::Cmd::can_run call.
Unfortunately on RPM-based systems it is a separate package and it's
not given that it's installed. Resurrected 'which' provides
poor-man fallback for IPC::Cmd::can_run.

Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Andy Polyakov 2016-05-20 21:31:11 +02:00
parent 02f603f297
commit 656bbdc68c
1 changed files with 23 additions and 3 deletions

View File

@ -14,7 +14,6 @@ use strict;
use File::Basename;
use File::Spec::Functions qw/:DEFAULT abs2rel rel2abs/;
use File::Path qw/mkpath/;
use IPC::Cmd qw/can_run/;
# see INSTALL for instructions.
@ -913,7 +912,7 @@ $config{cross_compile_prefix} = $ENV{'CROSS_COMPILE'}
$config{perl} = $ENV{'PERL'} || ($^O ne "VMS" ? $^X : "perl");
$target{cc} = $ENV{'CC'} || $target{cc} || "cc";
$target{ranlib} = $ENV{'RANLIB'} || $target{ranlib} ||
(scalar can_run("$config{cross_compile_prefix}ranlib") ?
(which("$config{cross_compile_prefix}ranlib") ?
"\$(CROSS_COMPILE)ranlib" : "true");
$target{ar} = $ENV{'AR'} || $target{ar} || "ar";
$target{nm} = $ENV{'NM'} || $target{nm} || "nm";
@ -1158,7 +1157,7 @@ if ($^O ne "VMS" && !$disabled{makedepend}) {
}
close(PIPE);
$config{makedepprog} = scalar can_run('makedepend') unless $config{makedepprog};
$config{makedepprog} = which('makedepend') unless $config{makedepprog};
$disabled{makedepend} = "unavailable" unless $config{makedepprog};
}
@ -2340,6 +2339,27 @@ sub run_dofile
rename("$out.new", $out) || die "Can't rename $out.new, $!";
}
sub which
{
my ($name)=@_;
if (eval { require IPC::Cmd; 1; }) {
IPC::Cmd->import();
return scalar IPC::Cmd::can_run($name);
} else {
# if there is $directories component in splitpath,
# then it's not something to test with $PATH...
return $name if (File::Spec->splitpath($name))[1];
foreach (File::Spec->path()) {
my $fullpath = catfile($_, "$name$target{exe_extension}");
if (-f $fullpath and -x $fullpath) {
return $fullpath;
}
}
}
}
# Configuration printer ##############################################
sub print_table_entry