sword: enable Windows building

Modify build techniques for SWORD so that it compiles on Windows and we
can remove the platforms tag

pkgs/by-name/sw/sword/package.nix

···
   pkg-config,
   icu,
   clucene_core,
+
+  autoreconfHook,
+  bzip2,
   curl,
+  xz,
 }:
 
-stdenv.mkDerivation (finalAttrs: {
-  pname = "sword";
-  version = "1.9.0";
+stdenv.mkDerivation (
+  finalAttrs:
+  let
+    # Used on Windows, where libpsl doesn't compile, yet
+    curlDep = curl.override { pslSupport = false; };
+  in
+  {
+    pname = "sword";
+    version = "1.9.0";
 
-  src = fetchurl {
-    url = "https://www.crosswire.org/ftpmirror/pub/sword/source/v${lib.versions.majorMinor finalAttrs.version}/sword-${finalAttrs.version}.tar.gz";
-    hash = "sha256-QkCc894vrxEIUj4sWsB0XSH57SpceO2HjuncwwNCa4o=";
-  };
+    src = fetchurl {
+      url = "https://www.crosswire.org/ftpmirror/pub/sword/source/v${lib.versions.majorMinor finalAttrs.version}/sword-${finalAttrs.version}.tar.gz";
+      hash = "sha256-QkCc894vrxEIUj4sWsB0XSH57SpceO2HjuncwwNCa4o=";
+    };
 
-  nativeBuildInputs = [ pkg-config ];
-  buildInputs = [
-    icu
-    clucene_core
-    curl
-  ];
-
-  outputs = [
-    "out"
-    "dev"
-  ];
+    nativeBuildInputs =
+      [
+        pkg-config
+      ]
+      ++ (lib.optionals stdenv.hostPlatform.isWindows [
+        autoreconfHook # The Windows patch modifies autotools files
+      ]);
 
-  prePatch = ''
-    patchShebangs .;
-  '';
+    buildInputs =
+      [
+        icu
+      ]
+      ++ (lib.optionals stdenv.hostPlatform.isUnix [
+        clucene_core
+        curl
+      ])
+      ++ (lib.optionals stdenv.hostPlatform.isWindows [
+        bzip2
+        curlDep
+        xz
+      ]);
 
-  configureFlags = [
-    "--without-conf"
-    "--enable-tests=no"
-  ];
+    outputs = [
+      "out"
+      "dev"
+    ];
 
-  CXXFLAGS = [
-    "-Wno-unused-but-set-variable"
-    "-Wno-unknown-warning-option"
-    # compat with icu61+ https://github.com/unicode-org/icu/blob/release-64-2/icu4c/readme.html#L554
-    "-DU_USING_ICU_NAMESPACE=1"
-  ];
+    prePatch = ''
+      patchShebangs .;
+    '';
 
-  meta = {
-    description = "Software framework that allows research manipulation of Biblical texts";
-    homepage = "https://www.crosswire.org/sword/";
-    longDescription = ''
-      The SWORD Project is the CrossWire Bible Society's free Bible software
-      project. Its purpose is to create cross-platform open-source tools --
-      covered by the GNU General Public License -- that allow programmers and
-      Bible societies to write new Bible software more quickly and easily. We
-      also create Bible study software for all readers, students, scholars, and
-      translators of the Bible, and have a growing collection of many hundred
-      texts in around 100 languages.
+    preConfigure = lib.optionalString stdenv.hostPlatform.isWindows ''
+      substituteInPlace configure --replace-fail "-no-undefined" "-Wl,-no-undefined"
     '';
-    license = lib.licenses.gpl2;
-    maintainers = with lib.maintainers; [ AndersonTorres greg ];
-    platforms = lib.platforms.unix;
-  };
-})
+
+    patches = lib.optional stdenv.hostPlatform.isWindows ./sword-1.9.0-diatheke-includes.patch;
+
+    configureFlags =
+      [
+        "--without-conf"
+        "--enable-tests=no"
+      ]
+      ++ (lib.optionals stdenv.hostPlatform.isWindows [
+        "--with-xz"
+        "--with-bzip2"
+        "--with-icuregex"
+      ]);
+
+    makeFlags = lib.optionals stdenv.hostPlatform.isWindows [
+      "LDFLAGS=-no-undefined"
+    ];
+
+    env = {
+      # When placed in nativeBuildInputs, icu.dev is finding the native ICU libs, but setting it
+      # explicitly here has it finding the platform appropriate version
+      ICU_CONFIG = lib.optionalString stdenv.hostPlatform.isWindows "${icu.dev}/bin/icu-config --noverify";
+      CURL_CONFIG = lib.optionalString stdenv.hostPlatform.isWindows "${lib.getDev curlDep}/bin/curl-config";
+
+      CXXFLAGS = (
+        builtins.concatStringsSep " " (
+          [
+            "-Wno-unused-but-set-variable"
+            "-Wno-unknown-warning-option"
+            # compat with icu61+ https://github.com/unicode-org/icu/blob/release-64-2/icu4c/readme.html#L554
+            "-DU_USING_ICU_NAMESPACE=1"
+          ]
+          ++ (lib.optionals stdenv.hostPlatform.isWindows [
+            "-Wint-to-pointer-cast"
+            "-fpermissive"
+            "-D_ICUSWORD_"
+            "-DCURL_STATICLIB"
+          ])
+        )
+      );
+    };
+
+    meta = {
+      description = "Software framework that allows research manipulation of Biblical texts";
+      homepage = "https://www.crosswire.org/sword/";
+      longDescription = ''
+        The SWORD Project is the CrossWire Bible Society's free Bible software
+        project. Its purpose is to create cross-platform open-source tools --
+        covered by the GNU General Public License -- that allow programmers and
+        Bible societies to write new Bible software more quickly and easily. We
+        also create Bible study software for all readers, students, scholars, and
+        translators of the Bible, and have a growing collection of many hundred
+        texts in around 100 languages.
+      '';
+      license = lib.licenses.gpl2;
+      maintainers = with lib.maintainers; [
+        AndersonTorres
+        greg
+      ];
+      platforms = lib.platforms.all;
+    };
+  }
+)

pkgs/by-name/sw/sword/sword-1.9.0-diatheke-includes.patch

···
+diff --git a/utilities/diatheke/Makefile.am b/utilities/diatheke/Makefile.am
+index 8ba34e5..545af2c 100644
+--- a/utilities/diatheke/Makefile.am
++++ b/utilities/diatheke/Makefile.am
+@@ -1,5 +1,8 @@
+ AUTOMAKE_OPTIONS = 1.6
+ 
++if USE_INTERNAL_REGEX
++AM_CPPFLAGS = -I$(top_srcdir)/include/internal/regex
++endif
+ LDADD = $(top_builddir)/lib/libsword.la
+ 
+ bin_PROGRAMS = diatheke