mdfried: add pdf support

(cherry picked from commit 9b73ac2bfc)

pkgs/by-name/md/mdfried/package.nix

@@ -1,10 +1,18 @@
 {
   lib,
+  stdenv,
   rustPlatform,
   fetchFromGitHub,
   pkg-config,
   chafa,
+  fontconfig,
   glib,
+  gnumake,
+  gperf,
+  libiconv,
+  python3,
+  unzip,
+  writeShellScriptBin,
   nix-update-script,
 }:
 
@@ -21,15 +29,39 @@ rustPlatform.buildRustPackage (finalAttrs: {
 
   cargoHash = "sha256-jnByeBBL13DavExG2pVN7vNRr+UXGkxRY0a4MkwzRe0=";
 
+  buildFeatures = [ "pdf" ];
+
+  # Prevent updateAutotoolsGnuConfigScripts from modifying mupdf's vendored
+  # autotools files — doing so invalidates cargo's fingerprint for mupdf-sys
+  # and causes a rebuild that fails on read-only cargoArtifacts files.
+  updateAutotoolsGnuConfigScriptsPhase = "true";
+
   nativeBuildInputs = [
     pkg-config
+    rustPlatform.bindgenHook # for mupdf-sys bindgen
+    gperf # for mupdf vendored Makefile
+    python3 # for mupdf vendored Makefile
+    unzip # for mupdf vendored docx_template build
+    # mupdf-sys cp_r copies files from the read-only Nix store, preserving
+    # mode 444. make then fails to regenerate headers. Wrap make to chmod first.
+    (writeShellScriptBin "make" ''
+      chmod -R u+w . 2>/dev/null || true
+      exec ${lib.getExe gnumake} "$@"
+    '')
   ];
 
   buildInputs = [
     chafa
-    glib
+    fontconfig.dev # for font-kit (mupdf dep)
+    glib.dev # for glib-2.0.pc (mupdf needs glib.dev, chafa could do with just glib)
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isDarwin [
+    libiconv
   ];
 
+  CFLAGS_aarch64_apple_darwin = lib.optionalString stdenv.hostPlatform.isDarwin "-UTARGET_OS_MAC";
+  CXXFLAGS_aarch64_apple_darwin = lib.optionalString stdenv.hostPlatform.isDarwin "-UTARGET_OS_MAC";
+
   doCheck = true;
 
   passthru.updateScript = nix-update-script { };