libmicrohttpd: Modernize

pkgs/development/libraries/libmicrohttpd/default.nix

@@ -1,38 +1,65 @@
-{stdenv, fetchurl, curl, libgcrypt}:
+{ stdenv, fetchurl, pkgconfig
+, curl
 
+# Optional Dependencies
+, openssl ? null, zlib ? null, libgcrypt ? null, gnutls ? null
+}:
+
+let
+  mkFlag = trueStr: falseStr: cond: name: val:
+    if cond == null then null else
+      "--${if cond != false then trueStr else falseStr}${name}${if val != null && cond != false then "=${val}" else ""}";
+  mkEnable = mkFlag "enable-" "disable-";
+  mkWith = mkFlag "with-" "without-";
+  mkOther = mkFlag "" "" true;
+
+  shouldUsePkg = pkg: if pkg != null && stdenv.lib.any (x: x == stdenv.system) pkg.meta.platforms then pkg else null;
+
+  optOpenssl = shouldUsePkg openssl;
+  optZlib = shouldUsePkg zlib;
+  hasSpdy = optOpenssl != null && optZlib != null;
+
+  optLibgcrypt = shouldUsePkg libgcrypt;
+  optGnutls = shouldUsePkg gnutls;
+  hasHttps = optLibgcrypt != null && optGnutls != null;
+in
+with stdenv.lib;
 stdenv.mkDerivation rec {
-  name = "libmicrohttpd-0.9.38";
+  name = "libmicrohttpd-0.9.41";
 
   src = fetchurl {
     url = "mirror://gnu/libmicrohttpd/${name}.tar.gz";
-    sha256 = "08g7p4l0p2fsjj8ayl68zq1bqgrn0pck19bm8yd7k61whvfv9wld";
+    sha256 = "0z3s3aplgxj8cj947i4rxk9wzvg68b8hbn71fyipc7aagmivx64p";
   };
 
-  buildInputs = [ curl libgcrypt ];
+  nativeBuildInputs = [ pkgconfig ];
+  buildInputs = optional doCheck curl
+    ++ optionals hasSpdy [ optOpenssl optZlib ]
+    ++ optionals hasHttps [ optLibgcrypt optGnutls ];
 
-  preCheck =
-    # Since `localhost' can't be resolved in a chroot, work around it.
-    '' for i in "src/test"*"/"*.[ch]
-       do
-         sed -i "$i" -es/localhost/127.0.0.1/g
-       done
-    '';
+  configureFlags = [
+    (mkWith   true                 "threads"       "posix")
+    (mkEnable true                 "doc"           null)
+    (mkEnable false                "examples"      null)
+    (mkEnable true                 "epoll"         "auto")
+    (mkEnable doCheck              "curl"          null)
+    (mkEnable hasSpdy              "spdy"          null)
+    (mkEnable true                 "messages"      null)
+    (mkEnable true                 "postprocessor" null)
+    (mkWith   hasHttps             "gnutls"        null)
+    (mkEnable hasHttps             "https"         null)
+    (mkEnable true                 "bauth"         null)
+    (mkEnable true                 "dauth"         null)
+  ];
 
   # Disabled because the tests can time-out.
   doCheck = false;
 
   meta = {
     description = "Embeddable HTTP server library";
-
-    longDescription = ''
-      GNU libmicrohttpd is a small C library that is supposed to make
-      it easy to run an HTTP server as part of another application.
-    '';
-
-    license = stdenv.lib.licenses.lgpl2Plus;
-
     homepage = http://www.gnu.org/software/libmicrohttpd/;
-
-    maintainers = [ ];
+    license = licenses.lgpl2Plus;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ wkennington ];
   };
 }