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From: "Justin Lecher" <jlec@gentoo.org>
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Message-ID: <fd2fefc00aa08026238d3f9db27051cadfdd362c.jlec@gentoo>
Subject: [gentoo-commits] proj/sci:master commit in: eclass/
X-VCS-Repository: proj/sci
X-VCS-Files: eclass/fortran-2.eclass
X-VCS-Directories: eclass/
X-VCS-Committer: jlec
X-VCS-Committer-Name: Justin Lecher
X-VCS-Revision: fd2fefc00aa08026238d3f9db27051cadfdd362c
Date: Sun, 12 Jun 2011 10:53:31 +0000 (UTC)
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commit: fd2fefc00aa08026238d3f9db27051cadfdd362c
Author: Justin Lecher <jlec <AT> gentoo <DOT> org>
AuthorDate: Sun Jun 12 10:52:53 2011 +0000
Commit: Justin Lecher <jlec <AT> gentoo <DOT> org>
CommitDate: Sun Jun 12 10:52:53 2011 +0000
URL: http://git.overlays.gentoo.org/gitweb/?p=3Dproj/sci.git;a=3Dc=
ommit;h=3Dfd2fefc0
fortran-2.eclass added
---
eclass/fortran-2.eclass | 63 +++++++++++++++++++++++++++++++++++++++++=
++++++
1 files changed, 63 insertions(+), 0 deletions(-)
diff --git a/eclass/fortran-2.eclass b/eclass/fortran-2.eclass
new file mode 100644
index 0000000..6528724
--- /dev/null
+++ b/eclass/fortran-2.eclass
@@ -0,0 +1,63 @@
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+# Author Justin Lecher <jlec@gentoo.org>
+
+# @ECLASS: fortran-2.eclass
+# @MAINTAINER:
+# sci@gentoo.org
+# jlec@gentoo.org
+# @BLURB: Packages, which need a frortran compiler should inherit this e=
class.
+# @DESCRIPTION:
+# If you need a fortran compiler, inherit this eclass. This eclass tests=
for
+# working fortran compilers. Optional, check for openmp capability of th=
e
+# current fortran compiler through FCOPENMP=3D1. Only function exported
+# is pkg_setup.
+
+# @ECLASS-VARIABLE: FCOPENMP
+# @DESCRIPTION:
+# If FCOPNMP=3D1, FC is tested for openmp capabilities
+#
+# Default is 0
+
+inherit toolchain-funcs
+
+DEPEND=3D"virtual/fortran"
+RDEPEND=3D"${DEPEND}"
+
+_tc-has-fortran() {
+ local base=3D"${T}/test-tc-fortran"
+ cat <<-EOF > "${base}.f"
+ end
+ EOF
+ $(tc-getFC "$@") "${base}.f" -o "${base}" >&/dev/null
+ local ret=3D$?
+ rm -f "${base}"*
+ return ${ret}
+}
+
+# See if the toolchain gfortran only supports OpenMP.
+_gfortran-has-openmp() {
+ [[ $(tc-getFC) !=3D *gfortran* ]] && return 0
+ local base=3D"${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
+ $(tc-getFC "$@") -fopenmp "${base}.f" -o "${base}" >&/dev/null
+ local ret=3D$?
+ rm -f "${base}"*
+ return ${ret}
+}
+
+fortran-2_pkg_setup() {
+ _tc-has-fortran || \
+ die "Please emerge the current gcc with USE=3Dfortran or export FC de=
fining a working fortran compiler"
+ if [[ ${FCOPENMP} =3D=3D 1 ]]; then
+ _gfortran-has-openmp || die "Please emerge current gcc with USE=3Dopen=
mp"
+ fi
+}
+
+EXPORT_FUNCTIONS pkg_setup