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			82 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
			
		
		
	
	
			82 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			Perl
		
	
	
	
	
	
#! /usr/bin/env perl
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# -*- mode: perl; -*-
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# Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (the "License").  You may not use
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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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        `$config{CROSS_COMPILE}$config{CC} -Wl,-V /dev/null 2>&1`;
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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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        `$config{CROSS_COMPILE}$config{CC} -v 2>&1`;
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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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        };
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    },
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    'bsd-gcc-shared' => sub { return $shared_info{'linux-shared'}; },
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    'bsd-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     => '-shared -nostdlib',
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        };
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    },
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    'darwin-shared' => {
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        module_ldflags        => '-bundle',
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        shared_ldflag         => '-dynamiclib -current_version $(SHLIB_VERSION_NUMBER) -compatibility_version $(SHLIB_VERSION_NUMBER)',
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        shared_sonameflag     => '-install_name $(INSTALLTOP)/$(LIBDIR)/',
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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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            # def_flag made to empty string so  it still generates
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            # something
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            shared_defflag    => '',
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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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            module_ldflags    => '-shared -Wl,-Bsymbolic',
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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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);
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