Various progress, add outputs for sqlite.so

src/sqlite.nix

@@ -0,0 +1,63 @@
+{
+  lib,
+
+  src,
+  version,
+  nameSuffix,
+
+  stdenv,
+
+  unzip,
+  zlib,
+  icu,
+
+  amalgamate,
+  features,
+  featureFlags,
+  enableInteractive ? false,
+
+  ...
+}:
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "sqlite${nameSuffix}";
+  inherit version src;
+
+  nativeBuildInputs = [
+    unzip
+  ];
+
+  buildInputs = [
+    zlib
+  ] ++ lib.optional features.ENABLE_ICU [
+    icu
+  ];
+
+  # required for aarch64 but applied for all arches for simplicity
+  preConfigure = ''
+    patchShebangs configure
+  '';
+
+  # sqlite relies on autosetup now; so many of the
+  # previously-understood flags are gone. They should instead be set
+  # on a per-output basis.
+  setOutputFlags = false;
+
+  configureFlags = [
+    "--bindir=/tmp"
+    "--includedir=${placeholder "out"}/include"
+    "--libdir=${placeholder "out"}/lib"
+
+    "--enable-shared"
+    "--disable-static"
+    "--${if amalgamate then "enable" else "disable"}-amalgamation"
+  ] ++ lib.optional features.ENABLE_ICU [
+    "--enable-icu-collations"
+    "--with-icu-config=${lib.getExe' icu.dev "icu-config"}"
+  ];
+
+  env.NIX_CFLAGS_COMPILE = lib.concatStringsSep " " featureFlags;
+  env.NIX_CFLAGS_LINK = lib.optionalString features.ENABLE_FTS5 "-lm";
+
+  makeTarget = "sqlite3.so";
+})