uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/os-specific/linux/bcc/absolute-ausyscall.patch

@@ -0,0 +1,43 @@
+From 01e793163231c5085afced37471df32b94a313f5 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?J=C3=B6rg=20Thalheim?= <joerg@thalheim.io>
+Date: Thu, 30 Dec 2021 06:34:41 +0100
+Subject: [PATCH] absolute ausyscall
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: Jörg Thalheim <joerg@thalheim.io>
+---
+ libbpf-tools/syscall_helpers.c | 2 +-
+ src/python/bcc/syscall.py      | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/libbpf-tools/syscall_helpers.c b/libbpf-tools/syscall_helpers.c
+index e114a08f..62adea78 100644
+--- a/libbpf-tools/syscall_helpers.c
++++ b/libbpf-tools/syscall_helpers.c
+@@ -47,7 +47,7 @@ void init_syscall_names(void)
+ 	int err;
+ 	FILE *f;
+ 
+-	f = popen("ausyscall --dump 2>/dev/null", "r");
++	f = popen("@ausyscall@ --dump 2>/dev/null", "r");
+ 	if (!f) {
+ 		warn("popen: ausyscall --dump: %s\n", strerror(errno));
+ 		return;
+diff --git a/src/python/bcc/syscall.py b/src/python/bcc/syscall.py
+index 1346b4e8..e7e29a11 100644
+--- a/src/python/bcc/syscall.py
++++ b/src/python/bcc/syscall.py
+@@ -376,7 +376,7 @@ def _parse_syscall(line):
+ try:
+     # Skip the first line, which is a header. The rest of the lines are simply
+     # SYSCALL_NUM\tSYSCALL_NAME pairs.
+-    out = subprocess.check_output(['ausyscall', '--dump'], stderr=subprocess.STDOUT)
++    out = subprocess.check_output(['@ausyscall@', '--dump'], stderr=subprocess.STDOUT)
+     # remove the first line of expected output
+     out = out.split(b'\n',1)[1]
+     syscalls = dict(map(_parse_syscall, out.strip().split(b'\n')))
+-- 
+2.34.0
+

pkgs/os-specific/linux/bcc/default.nix

@@ -0,0 +1,90 @@
+{ lib, stdenv, fetchFromGitHub
+, makeWrapper, cmake, llvmPackages
+, flex, bison, elfutils, python, luajit, netperf, iperf, libelf
+, bash, libbpf, nixosTests
+, audit
+}:
+
+python.pkgs.buildPythonApplication rec {
+  pname = "bcc";
+  version = "0.24.0";
+
+  disabled = !stdenv.isLinux;
+
+  src = fetchFromGitHub {
+    owner = "iovisor";
+    repo = "bcc";
+    rev = "v${version}";
+    sha256 = "sha256-5Nq6LmphiyiiIyru/P2rCCmA25cwJIWn08oK1+eM3cQ=";
+  };
+  format = "other";
+
+  buildInputs = with llvmPackages; [
+    llvm llvm.dev libclang
+    elfutils luajit netperf iperf
+    flex bash libbpf
+  ];
+
+  patches = [
+    # This is needed until we fix
+    # https://github.com/NixOS/nixpkgs/issues/40427
+    ./fix-deadlock-detector-import.patch
+  ];
+
+  propagatedBuildInputs = [ python.pkgs.netaddr ];
+  nativeBuildInputs = [ makeWrapper cmake flex bison llvmPackages.llvm.dev ];
+
+  cmakeFlags = [
+    "-DBCC_KERNEL_MODULES_DIR=/run/booted-system/kernel-modules/lib/modules"
+    "-DREVISION=${version}"
+    "-DENABLE_USDT=ON"
+    "-DENABLE_CPP_API=ON"
+    "-DCMAKE_USE_LIBBPF_PACKAGE=ON"
+  ];
+
+  # to replace this executable path:
+  # https://github.com/iovisor/bcc/blob/master/src/python/bcc/syscall.py#L384
+  ausyscall = "${audit}/bin/ausyscall";
+
+  postPatch = ''
+    substituteAll ${./libbcc-path.patch} ./libbcc-path.patch
+    patch -p1 < libbcc-path.patch
+
+    substituteAll ${./absolute-ausyscall.patch} ./absolute-ausyscall.patch
+    patch -p1 < absolute-ausyscall.patch
+  '';
+
+  postInstall = ''
+    mkdir -p $out/bin $out/share
+    rm -r $out/share/bcc/tools/old
+    mv $out/share/bcc/tools/doc $out/share
+    mv $out/share/bcc/man $out/share/
+
+    find $out/share/bcc/tools -type f -executable -print0 | \
+    while IFS= read -r -d ''$'\0' f; do
+      bin=$out/bin/$(basename $f)
+      if [ ! -e $bin ]; then
+        ln -s $f $bin
+      fi
+      substituteInPlace "$f" \
+        --replace '$(dirname $0)/lib' "$out/share/bcc/tools/lib"
+    done
+
+    sed -i -e "s!lib=.*!lib=$out/bin!" $out/bin/{java,ruby,node,python}gc
+  '';
+
+  postFixup = ''
+    wrapPythonProgramsIn "$out/share/bcc/tools" "$out $pythonPath"
+  '';
+
+  passthru.tests = {
+    bpf = nixosTests.bpf;
+  };
+
+  meta = with lib; {
+    description = "Dynamic Tracing Tools for Linux";
+    homepage    = "https://iovisor.github.io/bcc/";
+    license     = licenses.asl20;
+    maintainers = with maintainers; [ ragge mic92 thoughtpolice martinetd ];
+  };
+}

pkgs/os-specific/linux/bcc/fix-deadlock-detector-import.patch

@@ -0,0 +1,14 @@
+--- source.org/tools/deadlock.py	1980-01-02 00:00:00.000000000 +0000
++++ source/tools/deadlock.py	2018-05-29 13:57:11.807126673 +0100
+@@ -44,9 +44,8 @@
+ #
+ # 01-Feb-2017   Kenny Yu   Created this.
+ 
+-from __future__ import (
+-    absolute_import, division, unicode_literals, print_function
+-)
++from __future__ import absolute_import, division, unicode_literals, print_function
++
+ from bcc import BPF
+ from collections import defaultdict
+ import argparse

pkgs/os-specific/linux/bcc/libbcc-path.patch

@@ -0,0 +1,11 @@
+--- source.org/src/python/bcc/libbcc.py	2018-05-13 08:35:06.850522883 +0100
++++ source/src/python/bcc/libbcc.py	2018-05-13 08:36:24.602733151 +0100
+@@ -14,7 +14,7 @@
+ 
+ import ctypes as ct
+ 
+-lib = ct.CDLL("libbcc.so.0", use_errno=True)
++lib = ct.CDLL("@out@/lib/libbcc.so.0", use_errno=True)
+ 
+ # keep in sync with bpf_common.h
+ lib.bpf_module_create_b.restype = ct.c_void_p