From ae04e432802ec32e6d759582ce04116630fb92fe Mon Sep 17 00:00:00 2001
From: Patrick McLean <patrick.mclean@sony.com>
Date: Mon, 11 Mar 2019 17:25:43 -0700
Subject: dev-libs/libbpf: New package

Copyright: Sony Interactive Entertainment Inc.
Package-Manager: Portage-2.3.62, Repoman-2.3.12
Signed-off-by: Patrick McLean <chutzpah@gentoo.org>
---
 dev-libs/libbpf/Manifest                    |  1 +
 dev-libs/libbpf/files/libbpf-makefile.patch | 24 +++++++++++
 dev-libs/libbpf/libbpf-0.20190311.ebuild    | 67 +++++++++++++++++++++++++++++
 dev-libs/libbpf/metadata.xml                | 10 +++++
 4 files changed, 102 insertions(+)
 create mode 100644 dev-libs/libbpf/Manifest
 create mode 100644 dev-libs/libbpf/files/libbpf-makefile.patch
 create mode 100644 dev-libs/libbpf/libbpf-0.20190311.ebuild
 create mode 100644 dev-libs/libbpf/metadata.xml

diff --git a/dev-libs/libbpf/Manifest b/dev-libs/libbpf/Manifest
new file mode 100644
index 000000000000..27e7e9bf4c98
--- /dev/null
+++ b/dev-libs/libbpf/Manifest
@@ -0,0 +1 @@
+DIST libbpf-0.20190311.tar.gz 110782 BLAKE2B b660b2677abd3068aa37f390e817c755ee06cf683e357cad6a9537d8e509d53f24ac66e472148f5b66cbcdca7849db10fc34ff8e6f85bd54a0570a52846ff933 SHA512 dbac8efce3b4c6d4faf40b22de6f71bee630fc8b71aa96e13692ffff0474ed7aa5f66a3c1f5871ec1c27dc71b87bec3ce5138096590fb9238d4d696a722f358d
diff --git a/dev-libs/libbpf/files/libbpf-makefile.patch b/dev-libs/libbpf/files/libbpf-makefile.patch
new file mode 100644
index 000000000000..a98cbb8762b2
--- /dev/null
+++ b/dev-libs/libbpf/files/libbpf-makefile.patch
@@ -0,0 +1,24 @@
+diff --git a/Makefile b/Makefile
+index 7ea1ff1..75ca998 100644
+--- a/Makefile
++++ b/Makefile
+@@ -22,7 +22,9 @@ OBJDIR ?= .
+ OBJS := $(addprefix $(OBJDIR)/,bpf.o btf.o libbpf.o libbpf_errno.o netlink.o \
+ 	nlattr.o str_error.o libbpf_probes.o bpf_prog_linfo.o xsk.o)
+ 
+-LIBS := $(OBJDIR)/libbpf.a
++ifdef BUILD_STATIC
++	LIBS := $(OBJDIR)/libbpf.a
++endif
+ ifdef BUILD_SHARED
+ 	LIBS += $(OBJDIR)/libbpf.so
+ endif
+@@ -52,7 +54,7 @@ $(OBJDIR)/libbpf.a: $(OBJS)
+ 	$(AR) rcs $@ $^
+ 
+ $(OBJDIR)/libbpf.so: $(OBJS)
+-	$(CC) -shared $(LDFLAGS) $^ -o $@
++	$(CC) -shared $(LDFLAGS) $^ -Wl,-soname,libbpf.so -o $@
+ 
+ $(OBJDIR)/%.o: %.c
+ 	$(CC) $(ALL_CFLAGS) -c $< -o $@
diff --git a/dev-libs/libbpf/libbpf-0.20190311.ebuild b/dev-libs/libbpf/libbpf-0.20190311.ebuild
new file mode 100644
index 000000000000..fdbc1a516456
--- /dev/null
+++ b/dev-libs/libbpf/libbpf-0.20190311.ebuild
@@ -0,0 +1,67 @@
+# Copyright 2019 Sony Interactive Entertainment Inc.
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit toolchain-funcs
+
+EGIT_COMMIT="cb658e9724e3c34973eee913b1ff0cb9c50b8e53"
+
+HOMEPAGE="https://github.com/libbpf/libbpf"
+DESCRIPTION="Stand-alone build of libbpf from the Linux kernel"
+SRC_URI="https://github.com/${PN}/${PN}/archive/${EGIT_COMMIT}.tar.gz -> ${P}.tar.gz"
+
+LICENSE="GPL-2 LGPL-2.1 BSD-2"
+SLOT="0/${PV}"
+KEYWORDS="~amd64 ~x86"
+IUSE="static-libs"
+
+COMMON_DEPEND="virtual/libelf"
+DEPEND="${COMMON_DEPEND}
+	sys-kernel/linux-headers"
+RDEPEND="${COMMON_DEPEND}"
+
+S="${WORKDIR}/${PN}-${EGIT_COMMIT}/src"
+
+PATCHES=(
+	"${FILESDIR}/libbpf-makefile.patch"
+)
+
+src_prepare() {
+	# upstream doesn't provide a pkgconfig file, so
+	# let's make one
+	printf 'prefix=/usr\nexec_prefix=${prefix}\nlibdir=%s\n' \
+			"/usr/$(get_libdir)" \
+		> ${PN}.pc
+	printf 'includedir=${prefix}/include\n\n' \
+		>> ${PN}.pc
+
+	printf 'Name: %s\nDescription: %s\nVersion: %s\nLibs: -lbpf %s\n' \
+			"${PN}" \
+			"${DESCRIPTION}" \
+			"${PV}" \
+			"$($(tc-getPKG_CONFIG) --libs libelf)" \
+		>> ${PN}.pc
+
+	default
+}
+
+src_compile() {
+	emake \
+		BUILD_SHARED=y \
+		LIBSUBDIR="$(get_libdir)" \
+		$(usex static-libs 'BUILD_STATIC=y' '' '' '') \
+		CC="$(tc-getCC)"
+}
+
+src_install() {
+	emake \
+		BUILD_SHARED=y \
+		LIBSUBDIR="$(get_libdir)" \
+		DESTDIR="${D}" \
+		$(usex static-libs 'BUILD_STATIC=y' '' '' '') \
+		install
+
+	insinto /usr/$(get_libdir)/pkgconfig
+	doins ${PN}.pc
+}
diff --git a/dev-libs/libbpf/metadata.xml b/dev-libs/libbpf/metadata.xml
new file mode 100644
index 000000000000..401d77a76ee2
--- /dev/null
+++ b/dev-libs/libbpf/metadata.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>chutzpah@gentoo.org</email>
+  </maintainer>
+  <upstream>
+    <remote-id type="github">libbpf/libbpf</remote-id>
+  </upstream>
+</pkgmetadata>
-- 
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