push sheeet

pkgs/by-name/v4/v4l-utils/musl.patch

@@ -0,0 +1,103 @@
+From fa120ba1a02437c762fc6a37a60728cac380aa41 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Zsolt=20Vad=C3=A1sz?= <zsolt_vadasz@protonmail.com>
+Date: Sun, 11 May 2025 12:34:28 +0000
+Subject: [PATCH] v4l2-tracer: Allow building on systems using musl
+
+Signed-off-by: Zsolt Vadasz <zsolt_vadasz@protonmail.com>
+Message-ID: <4dgJekVdP7lLqOQ6JNW05sRHSkRmLLMMQnEn8NGUHPoHDn4SBkaGlHUW89vkJJu3IeFDAh3p6mlplTJJlWJx8V4rr62-hd83quCJ2sIuqoA=@protonmail.com>
+---
+ utils/v4l2-tracer/retrace.cpp | 24 ++++++++++++++++++++++++
+ 1 file changed, 24 insertions(+)
+
+diff --git a/utils/v4l2-tracer/retrace.cpp b/utils/v4l2-tracer/retrace.cpp
+index 010936c0..0acce10c 100644
+--- a/utils/v4l2-tracer/retrace.cpp
++++ b/utils/v4l2-tracer/retrace.cpp
+@@ -10,10 +10,14 @@ extern struct retrace_context ctx_retrace;
+ void retrace_mmap(json_object *mmap_obj, bool is_mmap64)
+ {
+ 	json_object *mmap_args_obj;
++#if defined(linux) && defined(__GLIBC__)
+ 	if (is_mmap64)
+ 		json_object_object_get_ex(mmap_obj, "mmap64", &mmap_args_obj);
+ 	else
+ 		json_object_object_get_ex(mmap_obj, "mmap", &mmap_args_obj);
++#else
++	json_object_object_get_ex(mmap_obj, "mmap", &mmap_args_obj);
++#endif
+ 
+ 	json_object *len_obj;
+ 	json_object_object_get_ex(mmap_args_obj, "len", &len_obj);
+@@ -46,16 +50,24 @@ void retrace_mmap(json_object *mmap_obj, bool is_mmap64)
+ 		return;
+ 
+ 	void *buf_address_retrace_pointer = nullptr;
++#if defined(linux) && defined(__GLIBC__)
+ 	if (is_mmap64)
+ 		buf_address_retrace_pointer = mmap64(0, len, prot, flags, fd_retrace, off);
+ 	else
+ 		buf_address_retrace_pointer = mmap(0, len, prot, flags, fd_retrace, off);
++#else
++	buf_address_retrace_pointer = mmap(0, len, prot, flags, fd_retrace, off);
++#endif
+ 
+ 	if (buf_address_retrace_pointer == MAP_FAILED) {
++#if defined(linux) && defined(__GLIBC__)
+ 		if (is_mmap64)
+ 			perror("mmap64");
+ 		else
+ 			perror("mmap");
++#else
++        perror("mmap");
++#endif
+ 		debug_line_info();
+ 		print_context();
+ 		exit(EXIT_FAILURE);
+@@ -116,10 +128,14 @@ void retrace_open(json_object *jobj, bool is_open64)
+ 	int fd_trace = json_object_get_int(fd_trace_obj);
+ 
+ 	json_object *open_args_obj;
++#if defined(linux) && defined(__GLIBC__)
+ 	if (is_open64)
+ 		json_object_object_get_ex(jobj, "open64", &open_args_obj);
+ 	else
+ 		json_object_object_get_ex(jobj, "open", &open_args_obj);
++#else
++	json_object_object_get_ex(jobj, "open", &open_args_obj);
++#endif
+ 
+ 	json_object *path_obj;
+ 	std::string path_trace;
+@@ -148,10 +164,14 @@ void retrace_open(json_object *jobj, bool is_open64)
+ 		mode = s2number(json_object_get_string(mode_obj));
+ 
+ 	int fd_retrace = 0;
++#if defined(linux) && defined(__GLIBC__)
+ 	if (is_open64)
+ 		fd_retrace = open64(path_retrace.c_str(), oflag, mode);
+ 	else
+ 		fd_retrace = open(path_retrace.c_str(), oflag, mode);
++#else
++	fd_retrace = open(path_retrace.c_str(), oflag, mode);
++#endif
+ 
+ 	if (fd_retrace <= 0) {
+ 		line_info("\n\tCan't open: %s", path_retrace.c_str());
+@@ -162,10 +182,14 @@ void retrace_open(json_object *jobj, bool is_open64)
+ 
+ 	if (is_verbose() || errno != 0) {
+ 		fprintf(stderr, "path: %s ", path_retrace.c_str());
++#if defined(linux) && defined(__GLIBC__)
+ 		if (is_open64)
+ 			perror("open64");
+ 		else
+ 			perror("open");
++#else
++		perror("open");
++#endif
+ 		debug_line_info();
+ 		print_context();
+ 	}
+-- 
+2.49.0
+

pkgs/by-name/v4/v4l-utils/package.nix

@@ -0,0 +1,146 @@
+{
+  stdenv,
+  lib,
+  fetchurl,
+  glibc,
+  clang,
+  doxygen,
+  meson,
+  ninja,
+  pkg-config,
+  perl,
+  argp-standalone,
+  libjpeg,
+  json_c,
+  libbpf,
+  libelf,
+  udev,
+  udevCheckHook,
+  withUtils ? true,
+  withGUI ? true,
+  alsa-lib,
+  libGLU,
+  qt6Packages,
+  linuxHeaders,
+  buildPackages,
+}:
+
+# See libv4l in all-packages.nix for the libs only (overrides alsa, QT)
+
+let
+  withQt = withUtils && withGUI;
+
+in
+# we need to use stdenv.mkDerivation in order not to pollute the libv4l’s closure with Qt
+stdenv.mkDerivation (finalAttrs: {
+  pname = "v4l-utils";
+  version = "1.30.1";
+
+  src = fetchurl {
+    url = "https://linuxtv.org/downloads/v4l-utils/v4l-utils-${finalAttrs.version}.tar.xz";
+    hash = "sha256-wc9UnC7DzznrXse/FXMTSeYbJqIbXpY5IttCIzO64Zc=";
+  };
+
+  patches = [
+    # Has been submitted upstream, but can't fetchurl/fetchpatch
+    # because patch doesn't know how to decode quoted-printable.
+    # https://lore.kernel.org/all/4dgJekVdP7lLqOQ6JNW05sRHSkRmLLMMQnEn8NGUHPoHDn4SBkaGlHUW89vkJJu3IeFDAh3p6mlplTJJlWJx8V4rr62-hd83quCJ2sIuqoA=@protonmail.com/
+    ./musl.patch
+  ];
+
+  outputs = [
+    "out"
+  ]
+  ++ lib.optional withUtils "lib"
+  ++ [
+    "doc"
+    "dev"
+  ];
+
+  mesonFlags = [
+    (lib.mesonBool "v4l-utils" withUtils)
+    (lib.mesonEnable "gconv" stdenv.hostPlatform.isGnu)
+    (lib.mesonEnable "qv4l2" withQt)
+    (lib.mesonEnable "qvidcap" withQt)
+    (lib.mesonOption "udevdir" "${placeholder "out"}/lib/udev")
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isGnu [
+    (lib.mesonOption "gconvsysdir" "${glibc.out}/lib/gconv")
+  ]
+  ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform) [
+    # BPF support fail to cross compile, unable to find `linux/lirc.h`
+    (lib.mesonOption "bpf" "disabled")
+  ];
+
+  postFixup = ''
+    # Create symlink for V4l1 compatibility
+    ln -s "$dev/include/libv4l1-videodev.h" "$dev/include/videodev.h"
+  '';
+
+  nativeBuildInputs = [
+    clang
+    doxygen
+    meson
+    ninja
+    pkg-config
+    perl
+    udevCheckHook
+  ]
+  ++ lib.optional withQt qt6Packages.wrapQtAppsHook;
+
+  buildInputs = [
+    json_c
+    libbpf
+    libelf
+    udev
+  ]
+  ++ lib.optional (!stdenv.hostPlatform.isGnu) argp-standalone
+  ++ lib.optionals withQt [
+    alsa-lib
+    qt6Packages.qt5compat
+    qt6Packages.qtbase
+    libGLU
+  ];
+
+  hardeningDisable = [ "zerocallusedregs" ];
+
+  propagatedBuildInputs = [ libjpeg ];
+
+  # these two `substituteInPlace` have been sent upstream as patches
+  # https://lore.kernel.org/linux-media/867c4d2e-7871-4280-8c89-d4b654597f32@public-files.de/T/
+  # they might fail and have to be removed once the patches get accepted
+  postPatch = ''
+    patchShebangs utils/
+    substituteInPlace \
+      lib/libdvbv5/meson.build \
+      --replace-fail "install_dir: 'include/libdvbv5'" "install_dir: get_option('includedir') / 'libdvbv5'"
+    substituteInPlace \
+      meson.build \
+      --replace-fail "get_option('datadir') / 'locale'" "get_option('localedir')"
+  '';
+
+  # Meson unable to find moc/uic/rcc in case of cross-compilation
+  # https://github.com/mesonbuild/meson/issues/13018
+  preConfigure = lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
+    export PATH=${buildPackages.qt6Packages.qtbase}/libexec:$PATH
+  '';
+
+  enableParallelBuilding = true;
+
+  doInstallCheck = true;
+
+  meta = with lib; {
+    description = "V4L utils and libv4l, provide common image formats regardless of the v4l device";
+    homepage = "https://linuxtv.org/projects.php";
+    changelog = "https://git.linuxtv.org/v4l-utils.git/plain/ChangeLog?h=v4l-utils-${finalAttrs.version}";
+    license = with licenses; [
+      lgpl21Plus
+      gpl2Plus
+    ];
+    maintainers = with maintainers; [
+      codyopel
+      yarny
+    ];
+    platforms = platforms.linux;
+  };
+})