solc: 0.5.12 -> 0.5.15

Also removes patchset for shared library use, since usage of this
feature was rare and maintenance costly.
See https://github.com/NixOS/nixpkgs/pull/39852#issuecomment-568474864
for a discussion.

pkgs/development/compilers/solc/default.nix

@@ -7,26 +7,23 @@ assert z3Support -> z3 != null && stdenv.lib.versionAtLeast z3.version "4.6.0";
 assert cvc4Support -> cvc4 != null && cln != null && gmp != null;
 
 let
-  jsoncppURL = https://github.com/open-source-parsers/jsoncpp/archive/1.8.4.tar.gz;
+  jsoncppURL = https://github.com/open-source-parsers/jsoncpp/archive/1.9.2.tar.gz;
   jsoncpp = fetchzip {
     url = jsoncppURL;
-    sha256 = "1z0gj7a6jypkijmpknis04qybs1hkd04d1arr3gy89lnxmp6qzlm";
+    sha256 = "037d1b1qdmn3rksmn1j71j26bv4hkjv7sn7da261k853xb5899sg";
   };
-  buildSharedLibs = stdenv.hostPlatform.isLinux;
 in
 stdenv.mkDerivation rec {
 
   pname = "solc";
-  version = "0.5.12";
+  version = "0.5.15";
 
   # upstream suggests avoid using archive generated by github
   src = fetchzip {
     url = "https://github.com/ethereum/solidity/releases/download/v${version}/solidity_${version}.tar.gz";
-    sha256 = "0b9m9jhdz5lgrhrkngj1xnggxp1f6z8pzh29acsz3298l77kfk3z";
+    sha256 = "1nfvsaci5ja5ss603z04197wndwkvcq9nm5mdab1kpdr91djxh2y";
   };
 
-  patches = stdenv.lib.optionals buildSharedLibs [ ./patches/shared-libs-install.patch ];
-
   postPatch = ''
     substituteInPlace cmake/jsoncpp.cmake \
       --replace "${jsoncppURL}" ${jsoncpp}
@@ -34,8 +31,6 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [
     "-DBoost_USE_STATIC_LIBS=OFF"
-  ] ++ stdenv.lib.optionals buildSharedLibs [
-    "-DBUILD_SHARED_LIBS=ON"
   ] ++ stdenv.lib.optionals (!z3Support) [
     "-DUSE_Z3=OFF"
   ] ++ stdenv.lib.optionals (!cvc4Support) [
@@ -74,8 +69,6 @@ stdenv.mkDerivation rec {
     popd
   '';
 
-  outputs = [ "out" "dev" ];
-
   meta = with stdenv.lib; {
     description = "Compiler for Ethereum smart contract language Solidity";
     homepage = https://github.com/ethereum/solidity;