generic "add LLVM_COMPAT 20 everywhere", untested

dev-debug/bpftrace/bpftrace-0.22.1.ebuild

@@ -0,0 +1,103 @@
+# Copyright 2019-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LLVM_COMPAT=( 20 )
+
+inherit cmake linux-info llvm-r1
+
+DESCRIPTION="High-level tracing language for eBPF"
+HOMEPAGE="https://github.com/bpftrace/bpftrace"
+MY_PV="${PV//_/}"
+# the man page version may trail the release
+#MAN_V="0.22.0"
+SRC_URI="
+	https://github.com/bpftrace/${PN}/archive/v${MY_PV}.tar.gz -> ${P}.gh.tar.gz
+	https://github.com/bpftrace/${PN}/releases/download/v${MAN_V:-${PV}}/man.tar.xz -> ${PN}-${MAN_V:-${PV}}-man.gh.tar.xz
+"
+S="${WORKDIR}/${PN}-${MY_PV:-${PV}}"
+
+LICENSE="Apache-2.0"
+SLOT="0"
+
+KEYWORDS="~amd64 ~arm64 ~x86"
+IUSE="lldb pcap test systemd"
+
+# lots of fixing needed
+RESTRICT="test"
+
+RDEPEND="
+	>=dev-libs/libbpf-1.5:=
+	>=dev-util/bcc-0.25.0:=
+	$(llvm_gen_dep '
+		lldb? ( =llvm-core/lldb-${LLVM_SLOT}* )
+		llvm-core/clang:${LLVM_SLOT}=
+		llvm-core/llvm:${LLVM_SLOT}=[llvm_targets_BPF(+)]
+	')
+	sys-process/procps
+	sys-libs/binutils-libs:=
+	virtual/libelf:=
+	systemd? ( sys-apps/systemd:= )
+	pcap? ( net-libs/libpcap:= )
+"
+DEPEND="
+	${RDEPEND}
+	dev-libs/cereal:=
+	test? ( dev-cpp/gtest )
+"
+BDEPEND="
+	app-arch/xz-utils
+	app-alternatives/lex
+	app-alternatives/yacc
+	test? (
+		app-editors/vim-core
+		dev-util/pahole
+	)
+	virtual/pkgconfig
+"
+
+PATCHES=(
+	"${FILESDIR}/bpftrace-0.11.4-old-kernels.patch"
+	"${FILESDIR}/bpftrace-0.21.0-dont-compress-man.patch"
+	"${FILESDIR}/bpftrace-0.21.3-odr.patch"
+)
+
+pkg_pretend() {
+	local CONFIG_CHECK="
+		~BPF
+		~BPF_EVENTS
+		~BPF_JIT
+		~BPF_SYSCALL
+		~FTRACE_SYSCALLS
+		~HAVE_EBPF_JIT
+	"
+
+	check_extra_config
+}
+
+src_configure() {
+	local mycmakeargs=(
+		# prevent automagic lldb use
+		$(cmake_use_find_package lldb LLDB)
+		# DO NOT build the internal libs as shared
+		-DBUILD_SHARED_LIBS=OFF
+		# DO dynamically link the bpftrace executable
+		-DSTATIC_LINKING:BOOL=OFF
+		# bug 809362, 754648
+		-DBUILD_TESTING:BOOL=$(usex test)
+		-DBUILD_FUZZ:BOOL=OFF
+		-DENABLE_MAN:BOOL=OFF
+		-DENABLE_SYSTEMD:BOOL=$(usex systemd)
+		-DENABLE_SKB_OUTPUT:BOOL=$(usex pcap)
+	)
+
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+	doman man/man8/*.?
+	gunzip "${WORKDIR}/man/man8/bpftrace.8.gz" || die
+	doman "${WORKDIR}/man/man8/bpftrace.8"
+}