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| author |   Mike Frysinger <vapier@gentoo.org> | 2010-05-23 02:00:17 +0000 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2010-05-23 02:00:17 +0000 |
| commit | 92486e8207b6b66b4c73bc847f630a59496b4912 (patch) | |
| tree | 3e0f0eab0dd9b4635d563de59a74d79d2227a3aa /eclass/toolchain-funcs.eclass | |
| parent | Clean up ebuild and fix echo/elog usage #294952 by Simeon Maryasin. (diff) | |
| download | gentoo-2-92486e8207b6b66b4c73bc847f630a59496b4912.tar.gz gentoo-2-92486e8207b6b66b4c73bc847f630a59496b4912.tar.bz2 gentoo-2-92486e8207b6b66b4c73bc847f630a59496b4912.zip | |
add new tc-has-openmp helper func #320215 by Samuli Suominen
Diffstat (limited to 'eclass/toolchain-funcs.eclass')
| -rw-r--r-- | eclass/toolchain-funcs.eclass | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/eclass/toolchain-funcs.eclass b/eclass/toolchain-funcs.eclass index 8811c8b64ef8..11683ad752cd 100644 --- a/eclass/toolchain-funcs.eclass +++ b/eclass/toolchain-funcs.eclass @@ -1,6 +1,6 @@ # Copyright 1999-2007 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 -# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.99 2010/04/22 18:28:11 armin76 Exp $ +# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.100 2010/05/23 02:00:17 vapier Exp $ # @ECLASS: toolchain-funcs.eclass # @MAINTAINER: @@ -191,6 +191,30 @@ tc-is-static-only() { return $([[ ${host} == *-mint* ]]) } +# @FUNCTION: tc-has-openmp +# @USAGE: [toolchain prefix] +# @DESCRIPTION: +# See if the toolchain supports OpenMP. +tc-has-openmp() { + local base="${T}/test-tc-openmp" + cat <<-EOF > "${base}.c" + #include <omp.h> + int main() { + int nthreads, tid, ret = 0; + #pragma omp parallel private(nthreads, tid) + { + tid = omp_get_thread_num(); + nthreads = omp_get_num_threads(); ret += tid + nthreads; + } + return ret; + } + EOF + $(tc-getCC "$@") -fopenmp "${base}.c" -o "${base}" >&/dev/null + local ret=$? + rm -f "${base}"* + return ${ret} +} + # @FUNCTION: tc-has-tls # @USAGE: [-s|-c|-l] [toolchain prefix] # @DESCRIPTION: |