Fix native Linux build and add a native Linux CI job

.github/workflows/linux.yml

@@ -47,3 +47,32 @@ jobs:
         with:
           name: SumatraPDF-linux-wine-debug
           path: out/dbg64-wine/SumatraPDF.exe
+
+  native:
+    name: Native build and unit tests
+    runs-on: ubuntu-latest
+    container: debian:trixie
+    steps:
+      - name: Check out source code
+        uses: actions/checkout@v7
+
+      - name: Install clang, OpenSSL headers and bun
+        run: |
+          apt-get update
+          apt-get install -y --no-install-recommends \
+            build-essential clang lld libssl-dev \
+            ca-certificates curl unzip git
+          curl -fsSL https://bun.sh/install | BUN_INSTALL=/usr/local bash
+
+      # builds all dependency libs, runs test_util's unit-test suite
+      # natively, and links test_engines
+      - name: Build dependencies and run native unit tests
+        run: bun cmd/build-linux.ts -debug
+
+      - name: Upload test tools
+        uses: actions/upload-artifact@v7
+        with:
+          name: sumatra-linux-native-tools
+          path: |
+            out/linux-dbg64/test_util
+            out/linux-dbg64/test_engines

cmd/build-linux.ts

@@ -30,6 +30,7 @@ import {
   spawnCmd,
 } from "./build-deps-common";
 import {
+  aGumbo,
   zlib,
   unrar,
   libwebp,
@@ -594,6 +595,7 @@ const DEP_LIBS_BASE = [
       },
     ],
   },
+  aGumbo,
   zlib,
   makeUnrar,
   makeLibdjvu,
@@ -623,7 +625,12 @@ const TEST_UTIL_SOURCES = [
   "src/Commands.cpp",
   "src/CrashHandlerNoOp.cpp",
   "src/DisplayMode.cpp",
+  "src/DocProperties.cpp",
   "src/Flags.cpp",
+  "src/PdfDarkModeImageClassifier_ut.cpp",
+  "src/PdfDarkModeImageRules.cpp",
+  "src/PdfDarkModeOklab.cpp",
+  "src/PdfDarkModeOklab_ut.cpp",
   "src/RefHoverDetect.cpp",
   "src/RefHoverTextDetect.cpp",
   "src/SimpleLog_ut.cpp",
@@ -663,6 +670,9 @@ const TEST_ENGINES_SOURCES = [
   "src/GumboHelpers.cpp",
   "src/MobiDoc.cpp",
   "src/PalmDbReader.cpp",
+  "src/PdfCadDetect.cpp",
+  "src/PdfCadEnhanceDevice.cpp",
+  "src/PdfDarkModeNoOp.cpp",
   "src/TreeModel.cpp",
   "src/tools/test_engines.cpp",
 ];
@@ -880,6 +890,7 @@ async function buildTestUtil(
     ...commonFlags,
     ...units.map((u) => u.obj),
     join(outDir, "lib", "libbase.a"),
+    "-lcrypto",
   ];
   const res = await spawnCmd(linkArgs);
   if (!res.ok) {
@@ -957,6 +968,7 @@ async function buildTestEngines(
     exePath,
     ...commonFlags,
     ...units.map((u) => u.obj),
+    "-Wl,--start-group",
     join(outDir, "lib", "libbase.a"),
     join(outDir, "lib", "libmupdf.a"),
     join(outDir, "lib", "libcmark-gfm.a"),
@@ -966,12 +978,15 @@ async function buildTestEngines(
     join(outDir, "lib", "libfreetype.a"),
     join(outDir, "lib", "libbrotli.a"),
     join(outDir, "lib", "liblcms2.a"),
-    join(outDir, "lib", "libopenjpeg.a"),
+    join(outDir, "lib", "liba-openjpeg.a"),
     join(outDir, "lib", "libjbig2dec.a"),
     join(outDir, "lib", "liblibjpeg-turbo.a"),
     join(outDir, "lib", "libdjvudec.a"),
     join(outDir, "lib", "liblibarchive.a"),
-    join(outDir, "lib", "libzlib.a"),
+    join(outDir, "lib", "liba-gumbo.a"),
+    join(outDir, "lib", "liba-zlib.a"),
+    "-Wl,--end-group",
+    "-lcrypto",
   ];
   const res = await spawnCmd(linkArgs);
   if (!res.ok) {

ext/a-openjpeg/opj_malloc.h

@@ -19,6 +19,12 @@ void * opj_realloc(void * m, size_t s);
 void opj_free(void * m);
 
 #if defined(__GNUC__) && !defined(OPJ_SKIP_POISON)
+/* clang (unlike gcc) enforces poison inside system headers, and mm_malloc.h
+   (pulled in by the SSE intrinsic headers) calls malloc/free. Include the
+   intrinsics before poisoning so later includes are no-ops via include guards. */
+#if defined(__x86_64__) || defined(__i386__)
+#include <immintrin.h>
+#endif
 #pragma GCC poison malloc calloc realloc free
 #endif