summaryrefslogtreecommitdiff
blob: 845d7ff75d69ddf0078f4f2d0f69c758cb643b6a (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
# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

PYTHON_COMPAT=( python2_7 )

inherit flag-o-matic fortran-2 python-any-r1 toolchain-funcs

DESCRIPTION="Portable, Extensible Toolkit for Scientific Computation"
HOMEPAGE="http://www.mcs.anl.gov/petsc/"
SRC_URI="http://ftp.mcs.anl.gov/pub/petsc/release-snapshots/${P}.tar.gz"

LICENSE="BSD-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="afterimage boost complex-scalars cxx debug doc fftw
	fortran hdf5 hypre mpi metis mumps scotch sparse superlu threads X"

# hypre and superlu curretly exclude each other due to missing linking to hypre
# if both are enabled
REQUIRED_USE="
	afterimage? ( X )
	complex-scalars? ( !hypre !superlu )
	hdf5? ( mpi )
	hypre? ( cxx mpi !superlu )
	mumps? ( mpi scotch )
	scotch? ( mpi )
	superlu? ( !hypre )
"

RDEPEND="
	virtual/blas
	virtual/lapack
	afterimage? ( media-libs/libafterimage )
	boost? ( dev-libs/boost )
	fftw? ( sci-libs/fftw:3.0[mpi?] )
	hdf5? ( sci-libs/hdf5[mpi?] )
	hypre? ( >=sci-libs/hypre-2.18.0[mpi?] )
	metis? ( >=sci-libs/parmetis-4 )
	mpi? ( virtual/mpi[cxx?,fortran?] )
	mumps? ( sci-libs/mumps[mpi?] sci-libs/scalapack )
	scotch? ( sci-libs/scotch[mpi?] )
	sparse? ( sci-libs/suitesparse >=sci-libs/cholmod-1.7.0 )
	superlu? ( >=sci-libs/superlu-5 )
	X? ( x11-libs/libX11 )
"

DEPEND="${RDEPEND}
	${PYTHON_DEPS}
	virtual/pkgconfig
	dev-util/cmake
"

PATCHES=(
	"${FILESDIR}"/${PN}-3.7.0-disable-rpath.patch
	"${FILESDIR}"/${PN}-3.9.0-fix_sandbox_violation.patch
	"${FILESDIR}"/${PN}-3.12.1-make_hypre_configure.patch
	"${FILESDIR}"/${PN}-3.12.1-do_not_run_mpiexec.patch
)

src_prepare() {
	default

	sed -i -e 's%/usr/bin/env python%/usr/bin/env python2%' configure || die
}

# petsc uses --with-blah=1 and --with-blah=0 to en/disable options
petsc_enable() {
	use "$1" && echo "--with-${2:-$1}=1" || echo "--with-${2:-$1}=0"
}
# add external library:
# petsc_with use_flag libname libdir
# petsc_with use_flag libname include linking_libs
petsc_with() {
	local myuse p=${2:-${1}}
	if use ${1}; then
		myuse="--with-${p}=1"
		if [[ $# -ge 4 ]]; then
			myuse="${myuse} --with-${p}-include=${EPREFIX}${3}"
			shift 3
			myuse="${myuse} --with-${p}-lib=$@"
		else
			myuse="${myuse} --with-${p}-dir=${EPREFIX}${3:-/usr}"
		fi
	else
		myuse="--with-${p}=0"
	fi
	echo ${myuse}
}

# select between configure options depending on use flag
petsc_select() {
	use "$1" && echo "--with-$2=$3" || echo "--with-$2=$4"
}

src_configure() {
	# bug 548498
	# PETSc runs mpi processes during configure that result in a sandbox
	# violation by trying to open /proc/mtrr rw. This is not easy to
	# mitigate because it happens in libpciaccess.so called by libhwloc.so,
	# which is used by libmpi.so.
	addpredict /proc/mtrr
	# if mpi is built with knem support it needs /dev/knem too
	addpredict /dev/knem

	# configureMPITypes with openmpi-2* insists on accessing the scaling
	# governor rw.
	addpredict /sys/devices/system/cpu/

	local mylang
	local myopt

	use cxx && mylang="cxx" || mylang="c"
	use debug && myopt="debug" || myopt="opt"

	# environmental variables expected by petsc during build

	export PETSC_DIR="${S}"
	export PETSC_ARCH="linux-gnu-${mylang}-${myopt}"

	if use debug; then
		strip-flags
		filter-flags -O*
	fi

	# C Support on CXX builds is enabled if possible i.e. when not using
	# complex scalars (no complex type for both available at the same time)

	econf \
		scrollOutput=1 \
		FFLAGS="${FFLAGS} -fPIC" \
		CFLAGS="${CFLAGS} -fPIC" \
		CXXFLAGS="${CXXFLAGS} -fPIC" \
		LDFLAGS="${LDFLAGS}" \
		--prefix="${EPREFIX}/usr/$(get_libdir)/petsc" \
		--with-shared-libraries \
		--with-single-library \
		--with-clanguage=${mylang} \
		$(use cxx && ! use complex-scalars && echo "with-c-support=1") \
		--with-petsc-arch=${PETSC_ARCH} \
		--with-precision=double \
		--with-gnu-compilers \
		--with-blas-lapack-lib="$($(tc-getPKG_CONFIG) --libs blas lapack)" \
		$(petsc_enable debug debugging) \
		$(petsc_enable mpi) \
		$(petsc_select mpi cc mpicc $(tc-getCC)) \
		$(petsc_select mpi cxx mpicxx $(tc-getCXX)) \
		$(petsc_enable fortran) \
		$(use fortran && echo "$(petsc_select mpi fc mpif77 $(tc-getF77))") \
		$(petsc_enable mpi mpi-compilers) \
		$(petsc_select complex-scalars scalar-type complex real) \
		--with-windows-graphics=0 \
		--with-matlab=0 \
		--with-cmake:BOOL=1 \
		$(petsc_enable threads pthread) \
		$(petsc_with afterimage afterimage \
			/usr/include/libAfterImage -lAfterImage) \
		$(use_with hdf5) \
		$(petsc_with hypre hypre \
			/usr/include/hypre -lHYPRE) \
		$(use_with sparse suitesparse) \
		$(petsc_with superlu superlu \
			/usr/include/superlu -lsuperlu) \
		$(use_with X x) \
		$(use_with X x11) \
		$(petsc_with scotch ptscotch \
			/usr/include/scotch \
		[-lptesmumps,-lptscotch,-lptscotcherr,-lscotch,-lscotcherr]) \
		$(petsc_with mumps scalapack \
			/usr/include/scalapack -lscalapack) \
		$(use_with mumps mumps \
			/usr/include \
			[-lcmumps,-ldmumps,-lsmumps,-lzmumps,-lmumps_common,-lpord]) \
		--with-imagemagick=0 \
		--with-python=0 \
		$(use_with boost) \
		$(use_with fftw)
}

src_install() {
	emake DESTDIR="${ED}" install

	# add PETSC_DIR to environmental variables
	cat >> 99petsc <<- EOF
		PETSC_DIR=${EPREFIX}/usr/$(get_libdir)/petsc
		LDPATH=${EPREFIX}/usr/$(get_libdir)/petsc/lib
	EOF
	doenvd 99petsc

	if use doc ; then
		docinto html
		dodoc -r docs/*.html docs/changes docs/manualpages
	fi
}