2017-12-01 22:40:43 +08:00
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#! /usr/bin/env perl
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# -*- mode: perl; -*-
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2023-09-07 16:59:15 +08:00
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# Copyright 2016-2023 The OpenSSL Project Authors. All Rights Reserved.
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2017-12-01 22:40:43 +08:00
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#
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2018-12-06 21:08:43 +08:00
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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2017-12-01 22:40:43 +08:00
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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# This is a collection of extra attributes to be used as input for creating
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# shared libraries, currently on any Unix variant, including Unix like
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# environments on Windows.
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sub detect_gnu_ld {
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my @lines =
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Make "make variables" config attributes for overridable flags
With the support of "make variables" comes the possibility for the
user to override them. However, we need to make a difference between
defaults that we use (and that should be overridable by the user) and
flags that are crucial for building OpenSSL (should not be
overridable).
Typically, overridable flags are those setting optimization levels,
warnings levels, that kind of thing, while non-overridable flags are,
for example, macros that indicate aspects of how the config target
should be treated, such as L_ENDIAN and B_ENDIAN.
We do that differentiation by allowing upper case attributes in the
config targets, named exactly like the "make variables" we support,
and reserving the lower case attributes for non-overridable project
flags.
Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5534)
2018-03-07 03:35:30 +08:00
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`$config{CROSS_COMPILE}$config{CC} -Wl,-V /dev/null 2>&1`;
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2017-12-01 22:40:43 +08:00
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return grep /^GNU ld/, @lines;
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}
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sub detect_gnu_cc {
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my @lines =
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Make "make variables" config attributes for overridable flags
With the support of "make variables" comes the possibility for the
user to override them. However, we need to make a difference between
defaults that we use (and that should be overridable by the user) and
flags that are crucial for building OpenSSL (should not be
overridable).
Typically, overridable flags are those setting optimization levels,
warnings levels, that kind of thing, while non-overridable flags are,
for example, macros that indicate aspects of how the config target
should be treated, such as L_ENDIAN and B_ENDIAN.
We do that differentiation by allowing upper case attributes in the
config targets, named exactly like the "make variables" we support,
and reserving the lower case attributes for non-overridable project
flags.
Reviewed-by: Andy Polyakov <appro@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5534)
2018-03-07 03:35:30 +08:00
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`$config{CROSS_COMPILE}$config{CC} -v 2>&1`;
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2017-12-01 22:40:43 +08:00
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return grep /gcc/, @lines;
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}
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my %shared_info;
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%shared_info = (
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'gnu-shared' => {
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shared_ldflag => '-shared -Wl,-Bsymbolic',
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shared_sonameflag => '-Wl,-soname=',
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},
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'linux-shared' => sub {
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return {
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%{$shared_info{'gnu-shared'}},
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shared_defflag => '-Wl,--version-script=',
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2019-04-15 16:40:18 +08:00
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dso_ldflags =>
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2019-05-21 19:43:41 +08:00
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(grep /(?:^|\s)-fsanitize/,
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@{$config{CFLAGS}}, @{$config{cflags}})
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2019-05-07 16:48:30 +08:00
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? ''
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2020-05-14 01:32:47 +08:00
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: '-Wl,-z,defs',
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2017-12-01 22:40:43 +08:00
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};
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},
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'bsd-gcc-shared' => sub { return $shared_info{'linux-shared'}; },
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2020-12-19 19:07:09 +08:00
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'bsd-gcc-nodef-shared' => sub {
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return {
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%{$shared_info{'gnu-shared'}},
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shared_defflags => '-Wl,--version-script=',
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};
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},
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2017-12-01 22:40:43 +08:00
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'darwin-shared' => {
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2018-03-08 03:31:15 +08:00
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module_ldflags => '-bundle',
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2017-12-01 22:40:43 +08:00
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shared_ldflag => '-dynamiclib -current_version $(SHLIB_VERSION_NUMBER) -compatibility_version $(SHLIB_VERSION_NUMBER)',
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2021-08-18 15:57:26 +08:00
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shared_sonameflag => '-install_name $(libdir)/',
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2017-12-01 22:40:43 +08:00
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},
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'cygwin-shared' => {
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shared_ldflag => '-shared -Wl,--enable-auto-image-base',
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shared_impflag => '-Wl,--out-implib=',
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},
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'mingw-shared' => sub {
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return {
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%{$shared_info{'cygwin-shared'}},
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2018-09-30 20:44:59 +08:00
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# def_flag made to empty string so it still generates
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2017-12-01 22:40:43 +08:00
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# something
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shared_defflag => '',
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2020-09-23 18:54:56 +08:00
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shared_argfileflag => '@',
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2017-12-01 22:40:43 +08:00
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};
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},
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'alpha-osf1-shared' => sub {
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return $shared_info{'gnu-shared'} if detect_gnu_ld();
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return {
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2018-03-08 03:31:15 +08:00
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module_ldflags => '-shared -Wl,-Bsymbolic',
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2017-12-01 22:40:43 +08:00
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shared_ldflag => '-shared -Wl,-Bsymbolic -set_version $(SHLIB_VERSION_NUMBER)',
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};
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},
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'svr3-shared' => sub {
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return $shared_info{'gnu-shared'} if detect_gnu_ld();
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return {
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shared_ldflag => '-G',
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shared_sonameflag => '-h ',
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};
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},
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'svr5-shared' => sub {
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return $shared_info{'gnu-shared'} if detect_gnu_ld();
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return {
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shared_ldflag => detect_gnu_cc() ? '-shared' : '-G',
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shared_sonameflag => '-h ',
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};
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},
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2019-03-21 14:51:43 +08:00
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'solaris-gcc-shared' => sub {
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return $shared_info{'linux-shared'} if detect_gnu_ld();
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return {
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# Note: we should also have -shared here, but because some
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# config targets define it with an added -static-libgcc
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# following it, we don't want to change the order. This
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# forces all solaris gcc config targets to define shared_ldflag
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shared_ldflag => '-Wl,-Bsymbolic',
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shared_defflag => "-Wl,-M,",
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shared_sonameflag => "-Wl,-h,",
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};
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},
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2017-12-01 22:40:43 +08:00
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);
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