diff --git a/Configure b/Configure index 20470a941a..37ace21dd2 100755 --- a/Configure +++ b/Configure @@ -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