gistfile1.txt

# Contributor: Vojtech Kral <vojtech_kral^hk>

pkgname='libopencl'
pkgver=2.0
pkgrel=3
_appsdk_ver='3.0.0'

pkgdesc='AMD OpenCL library and ICD loader'
arch=('i686' 'x86_64')
url="http://developer.amd.com/tools-and-sdks/opencl-zone/amd-accelerated-parallel-processing-app-sdk/"
license=("custom")
install='install'

makedepends=('wget')
provides=('libcl')
conflicts=('libcl' 'nvidia-utils')

_agr_url='http://developer.amd.com/amd-license-agreement-appsdk/'

# Architecture resolution

_arch="${CARCH/i6/x}"
_bits="${_arch/x86/32}"
_bits="${_bits/32_/}"

_file="AMD-APP-SDKInstaller-v3.0.130.136-GA-linux${_bits}.tar.bz2"
[ "$CARCH" = 'x86_64' ] && _hash='0aa436acd334b686820bd3caab9f09014608741b92e3996d3642d0b148ede0f7' \
                        || _hash='181fb9815e735c90ca5713acc27a6f9ed7f85135d2f2a085bed7b4c7ed157b94'

_tarball="AMD-APP-SDK-${_appsdk_ver}-${CARCH}.tar.bz2"
_sfx="AMD-APP-SDK-v3.0.130.136-GA-linux${_bits}.sh"
_offset=9484
_inner='inner.tar.bz2'

_wget()
{
	wget -c -t 3 --waitretry=3 -O - $@
}

prepare()
{
	local fbase nonce1 post_id nonce2 postdata1 postdata2

	echo 'To download AMD APP SDK you need to accept AMD APP SDK license agreement. (To view the license, visit AMD APP SDK website.)'   # IANAL
	read -p "Accept? [y/n] " -n 1 -r
	echo
	if [[ $REPLY =~ ^[Yy]$ ]]
	then
		msg 'Downloading AMD APP SDK...'

		fbase=$(echo -n $_file | base64)

		echo -n '[tarball] '
		_wget http://cs.wisc.edu/~riccardo/assets/AMD-APP-SDKInstaller-v3.0.130.136-GA-linux64.tar.bz2 -O "${_tarball}"

		msg "Validating ${_tarball} files with sha256sum ..."
		echo "${_hash} ${_tarball}" | sha256sum -c || exit 1

		msg "Extracting ${_tarball} ..."
		bsdtar -jxOf "${_tarball}" \
		| dd ibs="${_offset}" skip=1 of="${_inner}" 2> /dev/null
		bsdtar -zxf "${_inner}"
	else
		exit 1
	fi
}

package()
{
	#Install libOpenCL
	#I'm not very sure about so version, so I'm going to cover several cases...
	install -d -m 755 "${pkgdir}/usr/lib"
	install -m 755 "lib/${_arch}/libOpenCL.so" "${pkgdir}/usr/lib/libOpenCL.so"
	ln -s 'libOpenCL.so' "${pkgdir}/usr/lib/libOpenCL.so.1"
	ln -s 'libOpenCL.so' "${pkgdir}/usr/lib/libOpenCL.so.2"
	ln -s 'libOpenCL.so' "${pkgdir}/usr/lib/libOpenCL.so.2.0"
	ln -s 'libOpenCL.so' "${pkgdir}/usr/lib/libOpenCL.so.2.0.0"

	#Install license
	install -d -m 755 "${pkgdir}/usr/share/licenses/libopencl"
	install -m 644 'APPSDK-EULA-linux.txt' "${pkgdir}/usr/share/licenses/libopencl"
}