more patches

common/optional/x86-64-v3/patches/afdko/check-overlap-font-content.patch

@@ -0,0 +1,19 @@
+Subject: [PATCH] Compare font content in the overlap-removal regression
+
+PFA_SKIP ends with a separator, producing an empty prefix that matches every
+line. Remove the empty prefix for this test so glyph differences are checked,
+and assert that tx exits successfully before inspecting the output.
+
+--- a/tests/tx_test.py
++++ b/tests/tx_test.py
+@@ -1064,6 +1064,8 @@
+     output_path = get_temp_file_path()
+     args = [TOOL, '-t1', '+V', '-o', output_path, input_path]
+-    subprocess.call(args)
+-    assert differ([expected_path, output_path, '-s', PFA_SKIP[0]])
++    subprocess.check_call(args)
++    # An empty skip prefix matches every line and hides font differences.
++    skip_headers = SPLIT_MARKER.join(filter(None, PFA_SKIP[0].split(SPLIT_MARKER)))
++    assert differ([expected_path, output_path, '-s', skip_headers])
+ 
+ 

common/optional/x86-64-v3/patches/afdko/default.nix

@@ -0,0 +1,10 @@
+{ afdko }:
+afdko.overridePythonAttrs (old: {
+  # FMA changes overlap-removal coordinates by 0.01 units on x86-64-v3.
+  # Separate multiply/add rounding reproduces the reference Type 1 font exactly.
+  env = (old.env or { }) // {
+    NIX_CFLAGS_COMPILE = (old.env.NIX_CFLAGS_COMPILE or "") + " -ffp-contract=off";
+  };
+
+  patches = (old.patches or [ ]) ++ [ ./check-overlap-font-content.patch ];
+})

common/optional/x86-64-v3/patches/cuda/default.nix

@@ -0,0 +1,19 @@
+{ prev }:
+let
+  buildRedistHook = prev.runCommand "buildRedistHook.bash" { } ''
+    cp ${prev.path}/pkgs/development/cuda-modules/buildRedist/buildRedistHook.bash "$out"
+    chmod u+w "$out"
+    patch "$out" < ${./propagated-build-output-arrays.patch}
+  '';
+in
+prev.cudaPackages_12_9.overrideScope (
+  _cudaFinal: cudaPrev: {
+    buildRedist =
+      args:
+      (cudaPrev.buildRedist args).overrideAttrs (old: {
+        nativeBuildInputs = map (
+          input: if builtins.baseNameOf input == "buildRedistHook.bash" then buildRedistHook else input
+        ) old.nativeBuildInputs;
+      });
+  }
+)

common/optional/x86-64-v3/patches/cuda/propagated-build-output-arrays.patch

@@ -0,0 +1,44 @@
+Subject: [PATCH] Preserve structured CUDA output arrays
+
+The multiple-outputs hook now accepts arrays. The old compatibility export
+collapses include and lib into one array element, breaking indirect expansion.
+Keep the array and iterate over each output when propagating to out.
+
+--- a/buildRedistHook.bash
++++ b/buildRedistHook.bash
+@@ -23,9 +23,6 @@
+ 
+   postInstallCheckHooks+=(checkCudaNonEmptyOutputs)
+   nixLog "added checkCudaNonEmptyOutputs to postInstallCheckHooks"
+-
+-  preFixupHooks+=(fixupPropagatedBuildOutputsForMultipleOutputs)
+-  nixLog "added fixupPropagatedBuildOutputsForMultipleOutputs to preFixupHooks"
+ 
+   postFixupHooks+=(fixupCudaPropagatedBuildOutputsToOut)
+   nixLog "added fixupCudaPropagatedBuildOutputsToOut to postFixupHooks"
+@@ -193,16 +190,6 @@
+   return 0
+ }
+ 
+-# TODO(@connorbaker): https://github.com/NixOS/nixpkgs/issues/323126.
+-# _multioutPropagateDev() currently expects a space-separated string rather than an array.
+-# NOTE: Because _multioutPropagateDev is a postFixup hook, we correct it in preFixup.
+-fixupPropagatedBuildOutputsForMultipleOutputs() {
+-  nixLog "converting propagatedBuildOutputs to a space-separated string"
+-  # shellcheck disable=SC2124
+-  export propagatedBuildOutputs="${propagatedBuildOutputs[@]}"
+-  return 0
+-}
+-
+ # The multiple outputs setup hook only propagates build outputs to dev.
+ # We want to propagate them to out as well, in case the user interpolates
+ # the package into a string -- in such a case, the dev output is not selected
+@@ -217,7 +204,7 @@
+   mkdir -p "${out:?}/nix-support"
+ 
+   # NOTE: We must use printWords to ensure the output is a single line.
+-  for output in $propagatedBuildOutputs; do
++  for output in "${propagatedBuildOutputs[@]}"; do
+     # Propagate the other components to the out output
+     nixLog "adding ${!output:?} to propagatedBuildInputs of ${out:?}"
+     printWords "${!output:?}" >>"${out:?}/nix-support/propagated-build-inputs"

common/optional/x86-64-v3/patches/default.nix

@@ -1,11 +1,16 @@
 _final: prev:
 (import ./abseil { inherit prev; })
 // {
+  cudaPackages_12_9 = import ./cuda { inherit prev; };
+  trunk = import ./trunk { inherit (prev) trunk jq; };
   gnutls = import ./gnutls { inherit (prev) gnutls; };
   prometheus = import ./prometheus { inherit (prev) prometheus; };
+  zopfli = import ./zopfli { inherit (prev) zopfli; };
 
   pythonPackagesExtensions = prev.pythonPackagesExtensions ++ [
     (_pythonFinal: pythonPrev: {
+      afdko = import ./afdko { inherit (pythonPrev) afdko; };
+      psutil = import ./psutil { inherit (pythonPrev) psutil; };
       pytest-xdist = import ./pytest-xdist { inherit (pythonPrev) pytest-xdist; };
       scipy = import ./scipy { inherit (pythonPrev) scipy; };
     })

common/optional/x86-64-v3/patches/psutil/default.nix

@@ -0,0 +1,4 @@
+{ psutil }:
+psutil.overridePythonAttrs (old: {
+  patches = (old.patches or [ ]) ++ [ ./heap-info-zero-mmap.patch ];
+})

common/optional/x86-64-v3/patches/psutil/heap-info-zero-mmap.patch

@@ -0,0 +1,17 @@
+Subject: [PATCH] Allow an empty mmap allocation total in heap_info
+
+The allocator may satisfy all live allocations from the heap. A zero
+mmap_used value is valid and depends on the worker allocation history.
+Keep the heap and platform checks without requiring an mmap allocation.
+
+--- a/tests/test_system.py
++++ b/tests/test_system.py
+@@ -267,6 +267,7 @@
+         if MACOS:
+             assert m.mmap_used == 0  # not supported
+         else:
+-            assert m.mmap_used > 0
++            # A process can have no live mmap-backed malloc allocations.
++            assert m.mmap_used >= 0
+         if WINDOWS:
+             assert m.heap_count >= 0

common/optional/x86-64-v3/patches/trunk/default.nix

@@ -0,0 +1,21 @@
+{ trunk, jq }:
+trunk.overrideAttrs (old: {
+  nativeBuildInputs = (old.nativeBuildInputs or [ ]) ++ [ jq ];
+
+  # Patch the bundled libdeflate before Cargo validates its vendor checksums.
+  postPatch = (old.postPatch or "") + ''
+    libdeflateVendors=( "$cargoDepsCopy"/source-*/libdeflate-sys-1.23.1 )
+    if [ "''${#libdeflateVendors[@]}" -ne 1 ] || [ ! -d "''${libdeflateVendors[0]}" ]; then
+      echo "Expected exactly one vendored libdeflate-sys 1.23.1" >&2
+      exit 1
+    fi
+    libdeflateVendor="''${libdeflateVendors[0]}"
+    patch -d "$libdeflateVendor/libdeflate" -p1 < ${./libdeflate-gcc16.patch}
+    libdeflateHeader=libdeflate/lib/x86/cpu_features.h
+    libdeflateChecksum=$(sha256sum "$libdeflateVendor/$libdeflateHeader" | cut -d ' ' -f 1)
+    jq --arg path "$libdeflateHeader" --arg hash "$libdeflateChecksum" \
+      '.files[$path] = $hash' "$libdeflateVendor/.cargo-checksum.json" \
+      > "$libdeflateVendor/.cargo-checksum.json.new"
+    mv "$libdeflateVendor/.cargo-checksum.json.new" "$libdeflateVendor/.cargo-checksum.json"
+  '';
+})

common/optional/x86-64-v3/patches/trunk/libdeflate-gcc16.patch

@@ -0,0 +1,33 @@
+From 2a3762cf736aff9aa5dda329fdec3c08a816eb9b Mon Sep 17 00:00:00 2001
+From: Sergei Trofimovich <slyich@gmail.com>
+Date: Tue, 20 May 2025 21:18:28 +0100
+Subject: [PATCH] lib/x86/cpu_features.h: drop evex512 on gcc-16
+
+gcc-16 `master` branch dropped support for `evex512` as:
+    https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=c052a6f4a1c803cb92147ff98fb91cf3511e0856
+
+As a result libdeflate build started failing as:
+
+    In file included from /build/source/lib/adler32.c:28:
+    /build/source/lib/x86/adler32_template.h:135:12: error: attribute 'target' argument 'no-evex512' is unknown
+      135 | ADD_SUFFIX(reduce_to_32bits)(vec_t v_s1, vec_t v_s2, u32 *s1_p, u32 *s2_p)
+          |            ^~~~~~~~~~~~~~~~
+
+The change adds upper build to `evex512` for `gcc`.
+---
+ lib/x86/cpu_features.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/x86/cpu_features.h b/lib/x86/cpu_features.h
+index fbfdb0eb..f9d69d72 100644
+--- a/lib/x86/cpu_features.h
++++ b/lib/x86/cpu_features.h
+@@ -165,7 +165,7 @@ static inline u32 get_x86_cpu_features(void) { return 0; }
+ #  define HAVE_AVXVNNI(features)	((features) & X86_CPU_FEATURE_AVXVNNI)
+ #endif
+ 
+-#if (GCC_PREREQ(14, 0) || CLANG_PREREQ(18, 0, 18000000)) \
++#if ((GCC_PREREQ(14, 0) && !(GCC_PREREQ(16, 0))) || CLANG_PREREQ(18, 0, 18000000)) \
+ 	&& !defined(__EVEX512__) /* avoid subtracting the evex512 feature */
+ #  define EVEX512	",evex512"	/* needed to override potential -mno-evex512 */
+ #  define NO_EVEX512	",no-evex512"

common/optional/x86-64-v3/patches/zopfli/default.nix

@@ -0,0 +1,4 @@
+{ zopfli }:
+zopfli.overrideAttrs (old: {
+  patches = (old.patches or [ ]) ++ [ ./unaligned-match-loads.patch ];
+})

common/optional/x86-64-v3/patches/zopfli/unaligned-match-loads.patch

@@ -0,0 +1,32 @@
+Subject: [PATCH] Read unaligned match buffers with memcpy
+
+Byte buffers need not satisfy integer alignment or aliasing requirements.
+GCC 16 with x86-64-v3 vectorizes the cast loads using aligned AVX reads,
+causing a segmentation fault. Copy into local integers instead.
+
+--- a/src/zopfli/lz77.c
++++ b/src/zopfli/lz77.c
+@@ -302,13 +302,20 @@
+   if (sizeof(size_t) == 8) {
+     /* 8 checks at once per array bounds check (size_t is 64-bit). */
+-    while (scan < safe_end && *((size_t*)scan) == *((size_t*)match)) {
++    while (scan < safe_end) {
++      size_t scan_word, match_word;
++      memcpy(&scan_word, scan, sizeof(scan_word));
++      memcpy(&match_word, match, sizeof(match_word));
++      if (scan_word != match_word) break;
+       scan += 8;
+       match += 8;
+     }
+   } else if (sizeof(unsigned int) == 4) {
+     /* 4 checks at once per array bounds check (unsigned int is 32-bit). */
+-    while (scan < safe_end
+-        && *((unsigned int*)scan) == *((unsigned int*)match)) {
++    while (scan < safe_end) {
++      unsigned int scan_word, match_word;
++      memcpy(&scan_word, scan, sizeof(scan_word));
++      memcpy(&match_word, match, sizeof(match_word));
++      if (scan_word != match_word) break;
+       scan += 4;
+       match += 4;
+     }