aboutsummaryrefslogtreecommitdiff
blob: 3c58dcd9bb35066f3eab6c2bb0fcd2d4a72c18f8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

# @ECLASS: mpi-select.eclass
# @MAINTAINER:
# Michael Gilroy <michael.gilroy24@gmail.com>
# @BLURB: Allow mpi software to select mpi implementation of choice.

inherit multilib multilib-minimal flag-o-matic

EXPORT_FUNCTIONS src_configure src_compile src_test src_install

case ${EAPI:-0} in
  6) ;;
  5) ;;
  *) die "mpi-select.eclass does not support EAPI ${EAPI}"
esac

# @ECLASS-VARIABLE: IMPLEMENTATION_LIST
# @INTERNAL
# @DESCRIPTION:
# List of used MPI implementation
IMPLEMENTATION_LIST="mpich mpich2 openmpi openib-mvapich2"

# @ECLASS-VARIABLE: INSTALLED_IMPLEMENTATIONS
# @INTERNAL
# @DESCRIPTION:
# List of used MPI implementation
INSTALLED_IMPLEMENTATIONS=get_all_implementations

# @ECLASS-VARIABLE: MPI_DIR
# @INTERNAL
# @DESCRIPTION:
# Location in which mpi software should be installed
MPI_DIR="/usr/$(get_libdir)/mpi"

# @ECLASS-VARIABLE: MPI_TARGETS
# @INTERNAL
# @DESCRIPTION:
# List of implementations in make.conf.
MPI_TARGETS="${MPI_TARGETS}"

# @ECLASS-FUNCTION: mpi-select_detect_installs
# @DESCRIPTION:
# See what MPI software is installed on the system
get_all_implemenetations()
{
    for dir in "${MPI_DIR}"/*
    do
        INSTALLED_IMPLEMENTATIONS="${INSTALLED_IMPLEMENTATIONS} ${dir}"
    done

    echo "${INSTALLED_IMPLEMENTATIONS}"
}

# @ECLASS-FUNCTION: mpi_foreach_implementation
# @DESCRIPTION:
# Iterates through each given implementation and repeats commands for each implementation
mpi_foreach_implementation()
{
	debug-print-function ${FUNCNAME} "${@}"	

	# [[ -z "${INSTALLED_IMPLEMENTATIONS}" ]] \
	#			die "No mpi implementations detected"

	local status=0

	for implementation in "${@}"
	do
		# iterate through implementations, repeat same commands for each variant
		if [[ "${IMPLEMENTATION_LIST}" == *"${implementation}"* ]]; then
			local BUILD_DIR="${WORKDIR}/build"
			einfo ${BUILD_DIR}
			
			# modeling after multibuild for testing & learning
			_mpi_run()
			{
				local i=1
				while [[ ${!1} == _* ]];do
					i+=1
				done

				[[ ${i} -le ${#} ]]
				einfo ${@}
				echo ${@}
			}

			_mpi_run "${@}"
		else
			die "invalid implementation!"
		fi

	
	done

	echo "${status}"
}

# @ECLASS-FUNCTION: mpi_wrapper
# @DESCRIPTION:
# Helper function for setting up environment
mpi_wrapper()
{
	export BUILD_DIR="${PF}-${ABI}"

	# add lflags
	export LFLAGS="/usr/lib/mpi/$(get_implementation)/usr/bin"
	
	echo ${impl}

}

# @ECLASS-FUNCTION: mpi-select_get_implementation
# @DESCRIPTION:
# Helper function for getting the current implementation in use
mpi-select_get_implementation()
{
	echo "${PN}"
}

# @ECLASS-FUNCTION: mpi-select_bindir
# @DESCRIPTION:
# Helper function for getting the directory for binaries to be installed to
mpi-select_bindir()
{
	echo "${D}/usr/bin/${PF}/"
}

# @ECLASS-FUNCTION: mpi-select_libdir
# @DESCRIPTION:
# Helper function for getting the directory for libraries to be installed to
mpi-select_libdir()
{
	echo "${D}/usr/$(get_libdir)/${PF}/"
}

# @ECLASS-FUNCTION: mpi-select_etcdir
# @DESCRIPTION:
# Helper function for getting the directory for /etc* to be installed to
mpi-select_etcdir()
{
	echo "${D}/etc/${PF}/"
}

validate_mpi_targets()
{
	for impl in $MPI_TARGETS; do
		einfo "hit targets function!"
		# compare against has_version
	done
}

###########################
# MPI SRC PHASE FUNCTIONS #
###########################

mpi-select_src_configure()
{
	append-cflags -std=gnu89

	if [[ "${imp}" == "mpich" ]]; then
		einfo "hit mpich"
	elif [[ "${imp}" == "openmpi" ]]; then
		einfo "hit openmpi"
	fi

	mpi-select_src_configure()
	{
		mkdir -p "${BUILD_DIR}" || die
		pushd "${BUILD_DIR}" > /dev/null || die
		if declare -f multilib_src_configure > /dev/null ; then
			multilib_src_configure
		else
			default_src_configure
		fi

		popd > /dev/null || die
	}

	multilib_foreach_variant mpi-select_src_configure
}

mpi-select_src_compile()
{
	local imp=$(mpi-select_get_implementation)

	if [[ "${imp}" == "mpich" ]]; then
		einfo "hit mpich"
	elif [[ "${imp}" == "openmpi" ]]; then
		einfo "hit openmpi"
	fi

	mpi-select_src_compile()
	{
		mkdir -p "${BUILD_DIR}" || die
		pushd "${BUILD_DIR}" > /dev/null || die
		if declare -f multilib_src_compile > /dev/null ; then
			multilib_src_compile
		else
			default_src_compile
		fi

		popd > /dev/null || die
	}

	multilib_foreach_variant mpi-select_src_compile
}

mpi-select_src_test()
{
	emake -j1 check

	mpi-select_src_test()
	{
		mkdir -p "${BUILD_DIR}" || die
		pushd "${BUILD_DIR}" > /dev/null || die
		if declare -f multilib_src_test > /dev/null ; then
			multilib_src_test
		else
			default_src_test
		fi

		popd > /dev/null || die
	}

	multilib_foreach_variant mpi-select_src_test
}

mpi-select_src_install()
{
	emake DESTDIR="${D}" install

	dodir $(mpi-select_bindir)
	mv "${D}"/usr/bin/* $(mpi-select_bindir)

	dodir $(mpi-select_libdir)
	mv "${D}"/usr/$(get_libdir)/* $(mpi-select_libdir)

	dodir $(mpi-select_etcdir)
	local i
	for i in "${D}/etc/"*; do
		[ "${i}" == $(mpi-select_etcdir) ] && continue
		mv "${i}" $(mpi-select_etcdir) || die "failed to mv"
	done

	find . -type d -empty -delete || die "could not delete empty directories"

	mpi-select_src_install()
	{
		mkdir -p "${BUILD_DIR}" || die
		pushd "${BUILD_DIR}" > /dev/null || die
		if declare -f multilib_src_test > /dev/null ; then
			multilib_src_install
		else
			default_src_test
		fi
		
		popd > /dev/null || die
	}

	multilib_foreach_variant mpi-select_src_install

	
	# TODO: proper conditional for einstalldocs
	einstalldocs
}