gdal: add ecw driver support

DEVELOPMENT.md

@@ -18,6 +18,11 @@ nix build \
   --impure \
   --expr "(builtins.getFlake (toString ./.)).packages.x86_64-linux.<PACKAGE>.override { <PARAMETER> = <VALUE>; }"
 
+# e.g. build GDAL with ECW support
+nix build \
+  --impure \
+  --expr "(builtins.getFlake (toString ./.); in f.packages.x86_64-linux.gdal.override { useECW = true; }"
+
 # e.g. build QGIS with rasterio
 nix build \
   --impure \

flake.nix

@@ -80,17 +80,21 @@
               # Core libs
               gdal = pkgs.callPackage ./pkgs/gdal {
                 inherit geos libgeotiff libspatialite proj tiledb;
+                ecw-sdk = ecw-sdk;
                 useJava = false;
               };
               gdal-minimal = pkgs.callPackage ./pkgs/gdal {
                 inherit geos libgeotiff libspatialite proj tiledb;
+                ecw-sdk = ecw-sdk;
                 useMinimalFeatures = true;
               };
               gdal-master = (pkgs.callPackage ./pkgs/gdal/master.nix {
                 inherit gdal;
               }).master;
               _gdal = gdal;
 
+              ecw-sdk = pkgs.callPackage ./pkgs/gdal/ecw.nix { };
+
               geos = pkgs.callPackage ./pkgs/geos { };
 
               libgeotiff = pkgs.callPackage ./pkgs/libgeotiff {
@@ -113,7 +117,6 @@
 
               proj = pkgs.callPackage ./pkgs/proj { };
 
-
               # Python packages
               python-packages = forAllPythonVersions (python:
                 let

pkgs/gdal/default.nix

@@ -15,6 +15,7 @@
 , useNetCDF ? (!useMinimalFeatures)
 , useArmadillo ? (!useMinimalFeatures)
 , useJava ? (!useMinimalFeatures)
+, useECW ? false
 
 , ant
 , bison
@@ -75,6 +76,8 @@
 , xercesc
 , zlib
 , zstd
+
+, ecw-sdk
 }:
 
 stdenv.mkDerivation (finalAttrs: {
@@ -117,6 +120,8 @@ stdenv.mkDerivation (finalAttrs: {
     # This is not strictly needed as the Java bindings wouldn't build anyway if
     # ant/jdk were not available.
     "-DBUILD_JAVA_BINDINGS=OFF"
+  ] ++ lib.optionals (useECW) [
+    "-DECW_ROOT=${ecw-sdk}"
   ];
 
   buildInputs =
@@ -144,6 +149,7 @@ stdenv.mkDerivation (finalAttrs: {
       ];
       netCdfDeps = lib.optionals useNetCDF [ netcdf ];
       armadilloDeps = lib.optionals useArmadillo [ armadillo ];
+      ecwDeps = lib.optionals useECW [ ecw-sdk ];
 
       darwinDeps = lib.optionals stdenv.isDarwin [ libiconv ];
       nonDarwinDeps = lib.optionals (!stdenv.isDarwin) ([
@@ -195,6 +201,7 @@ stdenv.mkDerivation (finalAttrs: {
     ++ hdfDeps
     ++ netCdfDeps
     ++ armadilloDeps
+    ++ ecwDeps
     ++ darwinDeps
     ++ nonDarwinDeps;
 
@@ -266,6 +273,14 @@ stdenv.mkDerivation (finalAttrs: {
     "test_ogr_parquet_write_crs_without_id_in_datum_ensemble_members"
   ] ++ lib.optionals (!usePoppler) [
     "test_pdf_jpx_compression"
+  ] ++ lib.optionals (useECW) [
+    # requires internet connection
+    "test_ecw_online_6"
+    # tests are failing
+    # see: https://github.com/OSGeo/gdal/issues/10526
+    "test_ecw_22"
+    "test_ecw_25"
+    "test_ecw_26"
   ];
   postCheck = ''
     popd # autotest

pkgs/gdal/ecw.nix

@@ -0,0 +1,81 @@
+{ lib
+, stdenv
+, requireFile
+, autoPatchelfHook
+
+, getent
+, unzip
+
+, libz
+}:
+
+let
+  downloadUrl = "https://supportsi.hexagon.com/help/s/article/ERDAS-ECW-JP2-SDK-Read-Only-Redistributable-download";
+  version = "5.5.0.2268-Update4";
+
+in
+stdenv.mkDerivation {
+  pname = "ecw-sdk";
+  version = version;
+
+  src = requireFile rec {
+    name = "ECWJP2SDKSetup_${version}-Linux.zip";
+    hash = "sha256-4Uarru1XTcL/Coomy4PwOPyOvCliiZa7Z+sww8lac5k=";
+
+    message = ''
+      In order to use ECW SDK, you need to comply with the Hexagon EULA and
+      download the installer file '${name}' from:
+
+      ${downloadUrl}
+
+      Once you have downloaded the file, please use the following command and
+      re-run the installation:
+
+      nix store prefetch-file file://\$PWD/${name}
+    '';
+  };
+
+  unpackPhase = ''
+    unzip $src
+  '';
+
+  patchPhase = ''
+    chmod +x *.bin
+    patchShebangs .
+  '';
+
+  dontBuild = true;
+  dontConfigure = true;
+  sourceRoot = ".";
+  preferLocalBuild = true;
+
+  nativeBuildInputs = [
+    autoPatchelfHook
+    getent
+    unzip
+  ];
+
+  buildInputs = [
+    libz
+  ];
+
+  runtimeDependencies = [
+  ];
+
+  installPhase = ''
+    HOME=$PWD
+    bash $PWD/ECWJP2SDKSetup*.bin --accept-eula=yes --install-type=1
+
+    mkdir $out
+    cp -a hexagon/ERDAS-ECW*/Desktop_Read-Only/* $out
+  '';
+
+  meta = with lib; {
+    description = "ECW Compression - shrink big data with Enhanced Compression Wavelet (ECW)";
+    homepage = "https://hexagon.com";
+    # license = licenses.unfree;  # FIXME: enable license
+    maintainers = with maintainers; teams.geospatial.members;
+    platforms = platforms.linux;
+    sourceProvenance = with sourceTypes; [ binaryNativeCode ];
+  };
+}