/[gentoo-x86]/eclass/flag-o-matic.eclass
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1# Copyright 1999-2012 Gentoo Foundation 1# Copyright 1999-2012 Gentoo Foundation
2# Distributed under the terms of the GNU General Public License v2 2# Distributed under the terms of the GNU General Public License v2
3# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.182 2012/11/18 08:27:00 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.183 2012/11/18 08:29:17 vapier Exp $
4 4
5# @ECLASS: flag-o-matic.eclass 5# @ECLASS: flag-o-matic.eclass
6# @MAINTAINER: 6# @MAINTAINER:
7# toolchain@gentoo.org 7# toolchain@gentoo.org
8# @BLURB: common functions to manipulate and query toolchain flags 8# @BLURB: common functions to manipulate and query toolchain flags
420# Returns shell true if <flag> is supported by the Fortran 90 compiler, else returns shell false. 420# Returns shell true if <flag> is supported by the Fortran 90 compiler, else returns shell false.
421test-flag-FC() { test-flag-PROG "FC" f95 "$1"; } 421test-flag-FC() { test-flag-PROG "FC" f95 "$1"; }
422 422
423test-flags-PROG() { 423test-flags-PROG() {
424 local comp=$1 424 local comp=$1
425 local flags 425 local flags=()
426 local x 426 local x
427 427
428 shift 428 shift
429 429
430 [[ -z ${comp} ]] && return 1 430 [[ -z ${comp} ]] && return 1
431 431
432 for x in "$@" ; do 432 for x ; do
433 test-flag-${comp} "${x}" && flags="${flags}${flags:+ }${x}" 433 test-flag-${comp} "${x}" && flags+=( "${x}" )
434 done 434 done
435 435
436 echo "${flags}" 436 echo "${flags[*]}"
437 437
438 # Just bail if we dont have any flags 438 # Just bail if we dont have any flags
439 [[ -n ${flags} ]] 439 [[ ${#flags[@]} -gt 0 ]]
440} 440}
441 441
442# @FUNCTION: test-flags-CC 442# @FUNCTION: test-flags-CC
443# @USAGE: <flags> 443# @USAGE: <flags>
444# @DESCRIPTION: 444# @DESCRIPTION:

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