Configure: give config targets the possibility to enable or disable features

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3745)
This commit is contained in:
Richard Levitte 2017-06-22 00:47:49 +02:00
parent 410e8c9356
commit 906eb3d031
3 changed files with 49 additions and 19 deletions

View file

@ -42,6 +42,10 @@
BASE_common => {
template => 1,
enable => [],
disable => [],
defines =>
sub {
my @defs = ();

View file

@ -34,6 +34,13 @@ In each table entry, the following keys are significant:
sys_id => System identity for systems where that
is difficult to determine automatically.
enable => Enable specific configuration features.
This MUST be an array of words.
disable => Disable specific configuration features.
This MUST be an array of words.
Note: if the same feature is both enabled
and disabled, disable wins.
cc => The C compiler command, usually one of "cc",
"gcc" or "clang". This command is normally
also used to link object files and

View file

@ -857,6 +857,44 @@ if ($target =~ m/^CygWin32(-.*)$/) {
$target = "Cygwin".$1;
}
# Support for legacy targets having a name starting with 'debug-'
my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
if ($d) {
$config{build_type} = "debug";
# If we do not find debug-foo in the table, the target is set to foo.
if (!$table{$target}) {
$target = $t;
}
}
$config{target} = $target;
my %target = resolve_config($target);
&usage if (!%target || $target{template});
my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}});
$config{conf_files} = [ sort keys %conf_files ];
%target = ( %{$table{DEFAULTS}}, %target );
foreach my $feature (@{$target{disable}}) {
if (exists $deprecated_disablables{$feature}) {
warn "***** config $target disables deprecated feature $feature\n";
} elsif (!grep { $feature eq $_ } @disablables) {
die "***** config $target disables unknown feature $feature\n";
}
$disabled{$feature} = 'config';
}
foreach my $feature (@{$target{enable}}) {
if ("default" eq ($disabled{$_} // "")) {
if (exists $deprecated_disablables{$feature}) {
warn "***** config $target enables deprecated feature $feature\n";
} elsif (!grep { $feature eq $_ } @disablables) {
die "***** config $target enables unknown feature $feature\n";
}
delete $disabled{$_};
}
}
foreach (sort (keys %disabled))
{
$config{options} .= " no-$_";
@ -921,25 +959,6 @@ foreach (sort (keys %disabled))
print "\n";
}
# Support for legacy targets having a name starting with 'debug-'
my ($d, $t) = $target =~ m/^(debug-)?(.*)$/;
if ($d) {
$config{build_type} = "debug";
# If we do not find debug-foo in the table, the target is set to foo.
if (!$table{$target}) {
$target = $t;
}
}
$config{target} = $target;
my %target = resolve_config($target);
&usage if (!%target || $target{template});
my %conf_files = map { $_ => 1 } (@{$target{_conf_fname_int}});
$config{conf_files} = [ sort keys %conf_files ];
%target = ( %{$table{DEFAULTS}}, %target );
$target{cxxflags}=$target{cflags} unless defined $target{cxxflags};
$target{exe_extension}="";
$target{exe_extension}=".exe" if ($config{target} eq "DJGPP"