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#! /usr/bin/env perl
# -*- mode: perl; -*-
# Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
# This is a collection of extra attributes to be used as input for creating
# shared libraries, currently on any Unix variant, including Unix like
# environments on Windows.
sub detect_gnu_ld {
my @lines =
`$config{CROSS_COMPILE}$config{CC} -Wl,-V /dev/null 2>&1`;
return grep /^GNU ld/, @lines;
}
sub detect_gnu_cc {
my @lines =
`$config{CROSS_COMPILE}$config{CC} -v 2>&1`;
return grep /gcc/, @lines;
}
my %shared_info;
%shared_info = (
'gnu-shared' => {
shared_ldflag => '-shared -Wl,-Bsymbolic',
shared_sonameflag => '-Wl,-soname=',
},
'linux-shared' => sub {
return {
%{$shared_info{'gnu-shared'}},
shared_defflag => '-Wl,--version-script=',
dso_ldflags =>
(grep /(?:^|\s)-fsanitize/,
@{$config{CFLAGS}}, @{$config{cflags}})
? ''
: '-Wl,-z,defs',
};
},
'bsd-gcc-shared' => sub { return $shared_info{'linux-shared'}; },
'darwin-shared' => {
module_ldflags => '-bundle',
shared_ldflag => '-dynamiclib -current_version $(SHLIB_VERSION_NUMBER) -compatibility_version $(SHLIB_VERSION_NUMBER)',
shared_sonameflag => '-install_name $(libdir)/',
},
'cygwin-shared' => {
shared_ldflag => '-shared -Wl,--enable-auto-image-base',
shared_impflag => '-Wl,--out-implib=',
},
'mingw-shared' => sub {
return {
%{$shared_info{'cygwin-shared'}},
# def_flag made to empty string so it still generates
# something
shared_defflag => '',
shared_argfileflag => '@',
};
},
'alpha-osf1-shared' => sub {
return $shared_info{'gnu-shared'} if detect_gnu_ld();
return {
module_ldflags => '-shared -Wl,-Bsymbolic',
shared_ldflag => '-shared -Wl,-Bsymbolic -set_version $(SHLIB_VERSION_NUMBER)',
};
},
'svr3-shared' => sub {
return $shared_info{'gnu-shared'} if detect_gnu_ld();
return {
shared_ldflag => '-G',
shared_sonameflag => '-h ',
};
},
'svr5-shared' => sub {
return $shared_info{'gnu-shared'} if detect_gnu_ld();
return {
shared_ldflag => detect_gnu_cc() ? '-shared' : '-G',
shared_sonameflag => '-h ',
};
},
'solaris-gcc-shared' => sub {
return $shared_info{'linux-shared'} if detect_gnu_ld();
return {
# Note: we should also have -shared here, but because some
# config targets define it with an added -static-libgcc
# following it, we don't want to change the order. This
# forces all solaris gcc config targets to define shared_ldflag
shared_ldflag => '-Wl,-Bsymbolic',
shared_defflag => "-Wl,-M,",
shared_sonameflag => "-Wl,-h,",
};
},
);
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