blob: 339fe56b8f998bd30b2f5f190fa3160a653e69d7 (
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
|
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
# Author Justin Lecher <jlec@gentoo.org>
# Test functions provided by Sebastien Fabbro and Kacper Kowalik
# @ECLASS: fortran-2.eclass
# @MAINTAINER:
# jlec@gentoo.org
# sci@gentoo.org
# @BLURB: Packages, which need a frortran compiler should inherit this eclass.
# @DESCRIPTION:
# If you need a fortran compiler, inherit this eclass. This eclass tests for
# working fortran compilers. Optional, it checks for openmp capability of the
# current fortran compiler through FC_NEED_OPENMP=1.
# Only phase function exported is pkg_setup.
# @ECLASS-VARIABLE: FC_NEED_OPENMP
# @DESCRIPTION:
# SET FC_NEED_OPENMP=1 in order to test FC for openmp capabilities
#
# Default is 0
inherit toolchain-funcs
DEPEND="virtual/fortran"
RDEPEND="${DEPEND}"
# internal function
#
# FUNCTION: _have-valid-fortran
# DESCRIPTION:
# Check whether FC returns a working fortran compiler
_have-valid-fortran() {
local base=${T}/test-tc-fortran
cat <<- EOF > "${base}.f"
end
EOF
$(tc-getFC "$@") "${base}.f" -o "${base}" >&/dev/null
local ret=$?
rm -f "${base}"*
return ${ret}
}
# internal function
#
# FUNCTION: _fortran-has-openmp
# DESCRIPTION:
# See if the fortran supports OpenMP.
_fortran-has-openmp() {
local flag
case "$(tc-getFC)" in
*gfortran*|pathf*)
flag=-fopenmp ;;
ifort)
flag=-openmp ;;
mpi*)
local _fcomp=$($(tc-getFC) -show | awk '{print $1}')
FC=${_fcomp} _fortran-has-openmp
return $? ;;
*)
return 0 ;;
esac
local base=${T}/test-fc-openmp
# leave extra leading space to make sure it works on fortran 77 as well
cat <<- EOF > "${base}.f"
call omp_get_num_threads
end
EOF
$(tc-getFC "$@") ${flag} "${base}.f" -o "${base}" >&/dev/null
local ret=$?
rm -f "${base}"*
return ${ret}
}
# @FUNCTION: get_fcomp
# @DESCRIPTION:
# Returns the canonical name or the native compiler of the current fortran compiler
#
# e.g.
#
# x86_64-linux-gnu-gfortran -> gfortran
get_fcomp() {
case $(tc-getFC) in
*gfortran* )
echo "gfortran" ;;
ifort )
echo "ifc" ;;
pathf*)
echo "pathcc" ;;
mpi*)
local _fcomp=$($(tc-getFC) -show | awk '{print $1}')
echo "$(FC=${_fcomp} get_fcomp)";;
* )
echo $(tc-getFC) ;;
esac
}
# @FUNCTION: fortran-2_pkg_setup
# @DESCRIPTION:
# Setup functionallity, checks for a valid fortran compiler and optionally for its openmp support.
fortran-2_pkg_setup() {
_have-valid-fortran || \
die "Please emerge the current gcc with USE=fortran or export FC defining a working fortran compiler"
export F77="$(tc-getFC)"
export F90="$(tc-getFC)"
export F95="$(tc-getFC)"
if [[ ${FC_NEED_OPENMP} == 1 ]]; then
_fortran-has-openmp || \
die "Please emerge current gcc with USE=openmp or export FC with compiler that supports OpenMP"
fi
}
EXPORT_FUNCTIONS pkg_setup
|
GitWeb