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78 lines
2.3 KiB
Nix
78 lines
2.3 KiB
Nix
{ stdenv, fetchurl
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# Optional Dependencies
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, zlib ? null
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# Crypto Dependencies
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, openssl ? null, libgcrypt ? null
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}:
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let
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mkFlag = trueStr: falseStr: cond: name: val:
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if cond == null then null else
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"--${if cond != false then trueStr else falseStr}${name}${if val != null && cond != false then "=${val}" else ""}";
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mkEnable = mkFlag "enable-" "disable-";
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mkWith = mkFlag "with-" "without-";
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mkOther = mkFlag "" "" true;
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shouldUsePkg = pkg: if pkg != null && stdenv.lib.any (x: x == stdenv.system) pkg.meta.platforms then pkg else null;
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# Prefer openssl
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cryptoStr = if shouldUsePkg openssl != null then "openssl"
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else if shouldUsePkg libgcrypt != null then "libgcrypt"
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else "none";
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crypto = {
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openssl = openssl;
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libgcrypt = libgcrypt;
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none = null;
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}.${cryptoStr};
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optZlib = shouldUsePkg zlib;
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in
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assert crypto != null;
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with stdenv.lib;
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stdenv.mkDerivation rec {
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name = "libssh2-1.5.0";
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src = fetchurl {
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url = "${meta.homepage}/download/${name}.tar.gz";
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sha256 = "1z6hfgak00yz0azx6lk6n688mywhdxx03j6sdf95p3w6ssnnn6c3";
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};
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buildInputs = [ crypto optZlib ];
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configureFlags = [
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(mkWith (cryptoStr == "openssl") "openssl" null)
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(mkWith (cryptoStr == "libgcrypt") "libgcrypt" null)
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(mkWith false "wicng" null)
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(mkWith optZlib "libz" null)
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(mkEnable false "crypt-none" null)
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(mkEnable false "mac-none" null)
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(mkEnable true "gex-new" null)
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(mkEnable false "debug" null)
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(mkEnable false "examples-build" null)
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];
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postInstall = optionalString (!stdenv.isDarwin) (''
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sed -i \
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'' + optionalString (optZlib != null) ''
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-e 's,\(-lz\),-L${optZlib}/lib \1,' \
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'' + optionalString (cryptoStr == "openssl") ''
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-e 's,\(-lssl\|-lcrypto\),-L${openssl}/lib \1,' \
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'' + optionalString (cryptoStr == "libgcrypt") ''
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-e 's,\(-lgcrypt\),-L${libgcrypt}/lib \1,' \
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'' + ''
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$out/lib/libssh2.la
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'');
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meta = {
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description = "A client-side C library implementing the SSH2 protocol";
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homepage = http://www.libssh2.org;
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license = licenses.gpl2;
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platforms = platforms.all;
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maintainers = with maintainers; [ urkud wkennington ];
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};
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}
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