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# Copyright 1999-2018 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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EAPI="6"
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inherit toolchain-funcs flag-o-matic linux-info
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MY_PN="blktrace"
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MY_P="${MY_PN}-${PV}"
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DESCRIPTION="show detailed info about what is happening on a block device io queue"
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HOMEPAGE="http://git.kernel.dk/cgit/blktrace/"
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SRC_URI="http://brick.kernel.dk/snaps/${MY_P}.tar.bz2"
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LICENSE="GPL-2"
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SLOT="0"
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KEYWORDS="amd64 ~arm ppc x86"
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IUSE="doc"
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RDEPEND="dev-libs/libaio"
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# This is a Linux specific app!
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DEPEND="${RDEPEND}
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sys-kernel/linux-headers
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doc? (
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virtual/latex-base
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>=app-text/texlive-core-2014
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)
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"
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S="${WORKDIR}/${MY_P}"
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CONFIG_CHECK="~BLK_DEV_IO_TRACE"
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WARNING_BLK_DEV_IO_TRACE="you need to enable BLK_DEV_IO_TRACE kernel option if you want to gather traces from this machine"
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PATCHES=(
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"${FILESDIR}"/${P}-overlapping-io-stats.patch
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"${FILESDIR}"/${PN}-1.2.0-ldflags.patch #335741
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"${FILESDIR}"/${PN}-1.2.0-parallel-build.patch #335741
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)
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src_compile() {
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append-cppflags -DLVM_REMAP_WORKAROUND -W -I"${S}"
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emake CC="$(tc-getCC)" CFLAGS="${CFLAGS} ${CPPFLAGS}"
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if use doc; then
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export VARTEXFONTS="${T}/fonts"
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emake docs
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fi
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}
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src_install() {
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emake install DESTDIR="${ED}" prefix="/usr" mandir="/usr/share/man"
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einstalldocs
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use doc && dodoc doc/blktrace.pdf btt/doc/btt.pdf
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}
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