From d8e0412b28f4b7cc54b11809a5528e6d9c8e69a8 Mon Sep 17 00:00:00 2001
From: Josip Kelecic <josip.kelecic@sartura.hr>
Date: Thu, 2 Apr 2020 10:50:22 +0200
Subject: dev-libs/libbpf: add live ebuild

Signed-off-by: Josip Kelecic <josip.kelecic@sartura.hr>
Closes: https://github.com/gentoo/gentoo/pull/15207
Signed-off-by: Patrick McLean <chutzpah@gentoo.org>
Closes: https://bugs.gentoo.org/711496
Signed-off-by: Patrick McLean <chutzpah@gentoo.org>
---
 dev-libs/libbpf/files/libbpf-9999-paths.patch | 38 ++++++++++++++++++++
 dev-libs/libbpf/libbpf-9999.ebuild            | 52 +++++++++++++++++++++++++++
 2 files changed, 90 insertions(+)
 create mode 100644 dev-libs/libbpf/files/libbpf-9999-paths.patch
 create mode 100644 dev-libs/libbpf/libbpf-9999.ebuild

diff --git a/dev-libs/libbpf/files/libbpf-9999-paths.patch b/dev-libs/libbpf/files/libbpf-9999-paths.patch
new file mode 100644
index 000000000000..cbc267b64a38
--- /dev/null
+++ b/dev-libs/libbpf/files/libbpf-9999-paths.patch
@@ -0,0 +1,38 @@
+diff --git a/Makefile b/Makefile
+index bc25aba..e1db3d6 100644
+--- a/Makefile
++++ b/Makefile
+@@ -66,7 +66,7 @@ endif
+ PREFIX ?= /usr
+ LIBDIR ?= $(PREFIX)/$(LIBSUBDIR)
+ INCLUDEDIR ?= $(PREFIX)/include
+-UAPIDIR ?= $(PREFIX)/include
++UAPIDIR ?= $(PREFIX)/include/bpf/uapi
+ 
+ TAGS_PROG := $(if $(shell which etags 2>/dev/null),etags,ctags)
+ 
+@@ -89,6 +89,7 @@ $(OBJDIR)/libbpf.so.$(LIBBPF_VERSION): $(SHARED_OBJS)
+ $(OBJDIR)/libbpf.pc:
+ 	sed -e "s|@PREFIX@|$(PREFIX)|" \
+ 		-e "s|@LIBDIR@|$(LIBDIR)|" \
++		-e "s|@UAPIDIR@|$(UAPIDIR)|" \
+ 		-e "s|@VERSION@|$(LIBBPF_VERSION)|" \
+ 		< libbpf.pc.template > $@
+ 
+diff --git a/libbpf.pc.template b/libbpf.pc.template
+index b45ed53..5ec63c2 100644
+--- a/libbpf.pc.template
++++ b/libbpf.pc.template
+@@ -3,10 +3,11 @@
+ prefix=@PREFIX@
+ libdir=@LIBDIR@
+ includedir=${prefix}/include
++uapidir=@UAPIDIR@
+ 
+ Name: libbpf
+ Description: BPF library
+ Version: @VERSION@
+ Libs: -L${libdir} -lbpf
+ Requires.private: libelf zlib
+-Cflags: -I${includedir}
++Cflags: -I${includedir} -I${uapidir}
diff --git a/dev-libs/libbpf/libbpf-9999.ebuild b/dev-libs/libbpf/libbpf-9999.ebuild
new file mode 100644
index 000000000000..08e5746d4bf0
--- /dev/null
+++ b/dev-libs/libbpf/libbpf-9999.ebuild
@@ -0,0 +1,52 @@
+# Copyright 2019 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit toolchain-funcs
+if [[ ${PV} =~ [9]{4,} ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/libbpf/libbpf.git"
+else
+	SRC_URI="https://github.com/${PN}/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm64 ~x86"
+fi
+
+HOMEPAGE="https://www.kernel.org/doc/html/latest/bpf/bpf_devel_QA.html"
+DESCRIPTION="Stand-alone build of libbpf from the Linux kernel"
+
+LICENSE="GPL-2 LGPL-2.1 BSD-2"
+SLOT="0/${PV}"
+IUSE="+static-libs"
+
+COMMON_DEPEND="virtual/libelf
+	!<=dev-util/bcc-0.7.0"
+DEPEND="${COMMON_DEPEND}
+	sys-kernel/linux-headers"
+RDEPEND="${COMMON_DEPEND}"
+
+S="${WORKDIR}/${P}/src"
+
+PATCHES=(
+	"${FILESDIR}/libbpf-9999-paths.patch"
+)
+
+src_compile() {
+	emake \
+		BUILD_SHARED=y \
+		LIBSUBDIR="$(get_libdir)" \
+		$(usex static-libs 'BUILD_STATIC=y' '' '' '') \
+		CC="$(tc-getCC)"
+}
+
+src_install() {
+	emake \
+		BUILD_SHARED=y \
+		LIBSUBDIR="$(get_libdir)" \
+		DESTDIR="${D}" \
+		$(usex static-libs 'BUILD_STATIC=y' '' '' '') \
+		install install_uapi_headers
+
+	insinto /usr/$(get_libdir)/pkgconfig
+	doins ${PN}.pc
+}
-- 
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