commit:     3677ef1db84606d689bea66d9212ed2cd3346d62
Author:     Marek Szuba <marecki <AT> gentoo <DOT> org>
AuthorDate: Mon Nov 28 13:55:34 2016 +0000
Commit:     Marek Szuba <marecki <AT> gentoo <DOT> org>
CommitDate: Mon Nov 28 13:57:46 2016 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3677ef1d

dev-libs/beignet: fix detection of OCL ICD and installation of ICD files

In the past, Beignet CMake scripts would automatically enable its compatibility
with the OCL ICD Loader depending on whether dev-libs/ocl-icd was found in the
system or not. Patch the scripts so that ocl-icd is only searched for if an
appropriate option is set, and define a local use flag which controls the value
of this option (and of course the dependency on dev-libs/ocl-icd). Nb. the
patch has been submitted upstream.

Moreover, given we always install Beignet ICD files (they are needed by
eselect-opencl) do not install another copy when OCL ICD Loader has been
enabled.

Gentoo-Bug: https://bugs.gentoo.org/show_bug.cgi?id=599512

Package-Manager: portage-2.3.2

 dev-libs/beignet/beignet-1.2.1-r1.ebuild           | 103 +++++++++++++++++++++
 .../beignet-1.2.1-oclicd_optional_gentoo.patch     |  23 +++++
 dev-libs/beignet/metadata.xml                      |   4 +
 3 files changed, 130 insertions(+)

diff --git a/dev-libs/beignet/beignet-1.2.1-r1.ebuild 
b/dev-libs/beignet/beignet-1.2.1-r1.ebuild
new file mode 100644
index 00000000..3501b10
--- /dev/null
+++ b/dev-libs/beignet/beignet-1.2.1-r1.ebuild
@@ -0,0 +1,103 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+PYTHON_COMPAT=( python2_7 )
+CMAKE_BUILD_TYPE="Release"
+
+inherit python-any-r1 cmake-multilib flag-o-matic toolchain-funcs
+
+DESCRIPTION="OpenCL implementation for Intel GPUs"
+HOMEPAGE="https://01.org/beignet";
+
+LICENSE="LGPL-2.1+"
+SLOT="0"
+IUSE="ocl-icd"
+
+if [[ "${PV}" == "9999" ]]; then
+       inherit git-r3
+       EGIT_REPO_URI="git://anongit.freedesktop.org/beignet"
+       KEYWORDS=""
+else
+       KEYWORDS="~amd64"
+       SRC_URI="https://01.org/sites/default/files/${P}-source.tar.gz";
+       S=${WORKDIR}/Beignet-${PV}-Source
+fi
+
+COMMON="${PYTHON_DEPS}
+       media-libs/mesa
+       sys-devel/clang
+       >=sys-devel/llvm-3.5
+       >=x11-libs/libdrm-2.4.70[video_cards_intel]
+       x11-libs/libXext
+       x11-libs/libXfixes"
+RDEPEND="${COMMON}
+       app-eselect/eselect-opencl"
+DEPEND="${COMMON}
+       ${PYTHON_DEPS}
+       ocl-icd? ( dev-libs/ocl-icd )
+       virtual/pkgconfig"
+
+PATCHES=(
+       "${FILESDIR}"/no-debian-multiarch.patch
+       "${FILESDIR}"/${P}-oclicd_optional_gentoo.patch
+       "${FILESDIR}"/${PN}-1.2.0_no-hardcoded-cflags.patch
+       "${FILESDIR}"/llvm-terminfo.patch
+)
+
+DOCS=(
+       docs/.
+)
+
+pkg_pretend() {
+       if [[ ${MERGE_TYPE} != "binary" ]]; then
+               if tc-is-gcc; then
+                       if [[ $(gcc-major-version) -eq 4 ]] && [[ 
$(gcc-minor-version) -lt 6 ]]; then
+                               eerror "Compilation with gcc older than 4.6 is 
not supported"
+                               die "Too old gcc found."
+                       fi
+               fi
+       fi
+}
+
+pkg_setup() {
+       python_setup
+}
+
+src_prepare() {
+       # See Bug #593968
+       append-flags -fPIC
+
+       cmake-utils_src_prepare
+       # We cannot run tests because they require permissions to access
+       # the hardware, and building them is very time-consuming.
+       cmake_comment_add_subdirectory utests
+}
+
+multilib_src_configure() {
+       VENDOR_DIR="/usr/$(get_libdir)/OpenCL/vendors/${PN}"
+
+       local mycmakeargs=(
+               -DCMAKE_INSTALL_PREFIX="${VENDOR_DIR}"
+               -DOCLICD_COMPAT=$(usex ocl-icd)
+       )
+
+       cmake-utils_src_configure
+}
+
+multilib_src_install() {
+       VENDOR_DIR="/usr/$(get_libdir)/OpenCL/vendors/${PN}"
+
+       cmake-utils_src_install
+
+       insinto /etc/OpenCL/vendors/
+       echo "${VENDOR_DIR}/lib/${PN}/libcl.so" > "${PN}-${ABI}.icd" || die 
"Failed to generate ICD file"
+       doins "${PN}-${ABI}.icd"
+
+       dosym "lib/${PN}/libcl.so" "${VENDOR_DIR}"/libOpenCL.so.1
+       dosym "lib/${PN}/libcl.so" "${VENDOR_DIR}"/libOpenCL.so
+       dosym "lib/${PN}/libcl.so" "${VENDOR_DIR}"/libcl.so.1
+       dosym "lib/${PN}/libcl.so" "${VENDOR_DIR}"/libcl.so
+}

diff --git a/dev-libs/beignet/files/beignet-1.2.1-oclicd_optional_gentoo.patch 
b/dev-libs/beignet/files/beignet-1.2.1-oclicd_optional_gentoo.patch
new file mode 100644
index 00000000..89fed33
--- /dev/null
+++ b/dev-libs/beignet/files/beignet-1.2.1-oclicd_optional_gentoo.patch
@@ -0,0 +1,23 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -223,17 +223,15 @@
+ #  MESSAGE(STATUS "Looking for mesa source code - not found, 
cl_khr_gl_sharing will be disabled.")
+ #ENDIF(MESA_SOURCE_FOUND)
+ 
++OPTION(OCLICD_COMPAT "OCL ICD compatibility mode" ON)
++IF(OCLICD_COMPAT)
+ Find_Package(OCLIcd)
+ IF(OCLIcd_FOUND)
+   MESSAGE(STATUS "Looking for OCL ICD header file - found")
+-  configure_file (
+-    "intel-beignet.icd.in"
+-    "${ICD_FILE_NAME}"
+-  )
+-  install (FILES ${CMAKE_CURRENT_BINARY_DIR}/${ICD_FILE_NAME} DESTINATION 
/etc/OpenCL/vendors)
+ ELSE(OCLIcd_FOUND)
+   MESSAGE(STATUS "Looking for OCL ICD header file - not found")
+ ENDIF(OCLIcd_FOUND)
++ENDIF(OCLICD_COMPAT)
+ 
+ Find_Package(PythonInterp)
+ 

diff --git a/dev-libs/beignet/metadata.xml b/dev-libs/beignet/metadata.xml
index 3e5026e..27418e8 100644
--- a/dev-libs/beignet/metadata.xml
+++ b/dev-libs/beignet/metadata.xml
@@ -5,4 +5,8 @@
                <email>[email protected]</email>
                <name>Marek Szuba</name>
        </maintainer>
+       <use>
+               <flag name="ocl-icd">Enable compatibility with the
+               <pkg>dev-libs/ocl-icd</pkg> OpenCL ICD loader</flag>
+       </use>
 </pkgmetadata>

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