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Configure: Add easy to use disabled deprecated functionality indicators 

In C, we have macros like OPENSSL_NO_DEPRECATED_3_0 to check if some
section of code should be disabled to simulate a removal of things
deprecated in the version.

In perl, we had to check $disabled{deprecated} and compare
$config{api} with the proper version code, which is doable but tedious
and error prone.

This change adds $disabled{'deprecated-x.y'} (x.y being a version
number) which directly corresponds to OPENSSL_NO_DEPRECATED_x_y, for
use in build.info conditions, test recipes and other perl stuff.

Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/11027)
This commit is contained in:
Richard Levitte 2020-02-06 11:26:22 +01:00
parent 09066cf2a1
commit b05d632732
1 changed files with 11 additions and 3 deletions
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Configure
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@ -561,8 +561,7 @@ my @disable_cascades = (
"cmp" => [ "crmf" ],
# Padlock engine uses low-level AES APIs which are deprecated
sub { $disabled{"deprecated"}
&& (!defined $config{"api"} || $config{"api"} >= 30000) }
sub { $disabled{"deprecated-3.0"} }
=> [ "padlockeng" ]
);
@ -1477,6 +1476,12 @@ die "Exactly one of SIXTY_FOUR_BIT|SIXTY_FOUR_BIT_LONG|THIRTY_TWO_BIT can be set
$config{api} = $config{major} * 10000 + $config{minor} * 100
unless $config{api};
foreach (keys %$apitable) {
$disabled{"deprecated-$_"} = "deprecation"
if $disabled{deprecated} && $config{api} >= $apitable->{$_};
}
disable(); # Run a cascade now
# Hack cflags for better warnings (dev option) #######################
@ -1488,7 +1493,7 @@ $config{cxxflags} = [ map { (my $x = $_) =~ s/([\\\"])/\\$1/g; $x }
@{$config{cxxflags}} ] if $config{CXX};
$config{openssl_api_defines} = [
"OPENSSL_CONFIGURED_API=".$config{api}
"OPENSSL_CONFIGURED_API=".$config{api},
];
my @strict_warnings_collection=();
@ -1647,6 +1652,9 @@ foreach my $what (sort keys %disabled) {
# There are deprecated disablables that translate to themselves.
# They cause disabling cascades, but should otherwise not regiter.
next if $deprecated_disablables{$what};
# The generated $disabled{"deprecated-x.y"} entries are special
# and treated properly elsewhere
next if $what =~ m|^deprecated-|;
$config{options} .= " no-$what";