linux-tools: update to 5.4.42; fix build

Switch to current stable LTS kernel series 5.4 latest build 42.
Add libzstd support and fix binutils macro changes.

srcpkgs/linux-tools/patches/bfd_section_flags.patch

@@ -0,0 +1,26 @@
+Source: @pullmoll
+Upstream: no
+Reason: The binutils macros for bfd section access changed slightly.
+
+--- tools/perf/util/srcline.c	2020-05-20 08:20:41.000000000 +0200
++++ tools/perf/util/srcline.c	2020-05-27 13:48:11.606027082 +0200
+@@ -197,7 +197,7 @@
+ 	if (a2l->found)
+ 		return;
+ 
+-	if ((bfd_get_section_flags(abfd, section) & SEC_ALLOC) == 0)
++	if ((bfd_section_flags(section) & SEC_ALLOC) == 0)
+ 		return;
+ 
+ 	pc = a2l->addr;
+@@ -201,8 +201,8 @@
+ 		return;
+ 
+ 	pc = a2l->addr;
+-	vma = bfd_get_section_vma(abfd, section);
+-	size = bfd_get_section_size(section);
++	vma = bfd_section_vma(section);
++	size = bfd_section_size(section);
+ 
+ 	if (pc < vma || pc >= vma + size)
+ 		return;

srcpkgs/linux-tools/patches/python3.8.patch

@@ -1,15 +0,0 @@
---- tools/perf/Makefile.config.orig
-+++ tools/perf/Makefile.config
-@@ -225,10 +225,10 @@
- PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
- 
- ifdef PYTHON_CONFIG
--  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
-+  PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --embed --ldflags 2>/dev/null)
-   PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
-   PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
--  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --includes 2>/dev/null)
-+  PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --embed --includes 2>/dev/null)
-   FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
- endif
- 

srcpkgs/linux-tools/template

@@ -1,21 +1,21 @@
 # Template file for 'linux-tools'
 pkgname=linux-tools
-version=5.3.1
-revision=2
+version=5.4.42
+revision=1
 wrksrc="linux-${version}"
 build_style=meta
 hostmakedepends="asciidoc automake flex gettext libtool perl python3 xmlto"
 makedepends="babeltrace-devel binutils-devel eudev-libudev-devel
- liblzma-devel libressl-devel libsysfs-devel libunwind-devel
- ncurses-devel pciutils-devel python3-devel slang-devel"
+ libcap-devel liblzma-devel libressl-devel libsysfs-devel libunwind-devel
+ libzstd-devel ncurses-devel pciutils-devel python3-devel slang-devel"
 depends="cpupower-${version}_${revision} perf-${version}_${revision} usbip-${version}_${revision}"
 short_desc="Linux kernel tools meta-pkg"
 maintainer="Enno Boland <gottox@voidlinux.org>"
 license="GPL-2.0-only"
 homepage="https://www.kernel.org"
 distfiles="${KERNEL_SITE}/kernel/v5.x/linux-${version}.tar.xz"
-checksum=9890b5a909d316211d045a95f5f0680e39749f2319cb26d7cd067efaa692f858
-python_version=2 #unverified
+checksum=4e431b7c0266a07b76fdb77f8917ad681f0fa34ffba0eb8a172b67f7ef57bc31
+python_version=3
 
 subpackages="cpupower libcpupower libcpupower-devel libusbip libusbip-devel usbip perf freefall tmon"