# Maintainer: Adam Jensen <acjensen@gmail.com>
pkgname=bcc
pkgver=0.17.0
pkgrel=0
pkgdesc="A toolkit for creating efficient kernel tracing and manipulation programs"
url="https://github.com/iovisor/bcc/"
arch="all !s390x !mips !mips64" # build fails
license="Apache-2.0"
# bcc's test suite requires privileged access to run BPF programs
options="!check"
subpackages="$pkgname-static $pkgname-dev $pkgname-doc:_doc $pkgname-tools:_tools py3-$pkgname:_py:noarch"
_llvmver=10
makedepends="tar git llvm$_llvmver-dev llvm$_llvmver-static clang-dev clang-static cmake
	python3 flex-dev bison build-base iperf linux-headers elfutils-dev zlib-dev"
source="$pkgname-$pkgver.tar.gz::https://github.com/iovisor/bcc/releases/download/v$pkgver/bcc-src-with-submodule.tar.gz"
builddir="$srcdir/$pkgname"

case "$CARCH" in
	ppc64le) ;;
	*) makedepends="$makedepends luajit-dev"
	   subpackages="$subpackages $pkgname-lua:_lua"
	   ;;
esac

prepare() {
	rm -rf tests/* && touch tests/CMakeLists.txt
	rm -rf examples/* && touch examples/CMakeLists.txt

	default_prepare
}

build() {
	mkdir build && cd build
	cmake -DCMAKE_INSTALL_PREFIX:PATH=/usr \
		-DCMAKE_INSTALL_LIBDIR=/usr/lib \
		-DPYTHON_CMD=python3 \
		-DREVISION=$pkgver \
		..
	make
}

package() {
	cd "$builddir/build"
	make install DESTDIR="$pkgdir"
}

_doc() {
	pkgdesc="$pkgdesc (documentation)"

	mkdir -p "$subpkgdir"/usr/share/bcc/tools
	mv "$pkgdir"/usr/share/bcc/man "$subpkgdir"/usr/share/bcc
	mv "$pkgdir"/usr/share/bcc/tools/doc "$subpkgdir"/usr/share/bcc/tools
}

_tools() {
	depends="$pkgname py3-$pkgname"
	pkgdesc="$pkgdesc (tools)"

	mkdir -p "$subpkgdir"/usr/share/bcc
	mv "$pkgdir"/usr/share/bcc/tools "$subpkgdir"/usr/share/bcc
	mv "$pkgdir"/usr/share/bcc/introspection "$subpkgdir"/usr/share/bcc
	find "$subpkgdir"/usr/share/bcc/tools -type f -exec \
		sed -ie "s/^#!\/usr\/bin\/python$/#!\/usr\/bin\/python3/" \{\} \;
}

_py() {
	depends="$pkgname python3"
	pkgdesc="$pkgdesc (python3 bindings)"

	mkdir -p "$subpkgdir"/usr/lib
	mv "$pkgdir"/usr/lib/python3* "$subpkgdir"/usr/lib
}

_lua() {
	depends="$pkgname"
	pkgdesc="$pkgdesc (lua bindings)"

	mkdir -p "$subpkgdir"/usr/bin
	mv "$pkgdir"/usr/bin/bcc-lua "$subpkgdir"/usr/bin
}

sha512sums="5e10e8404f4d0615cd0d57077a2c095ff6837b157edf627e738f0229e2b59a1c3e0c8ea0226b4560929b2fed6532f3ff4037a805fd13c36394ac3166b7423ca0  bcc-0.17.0.tar.gz"