/[gentoo-x86]/eclass/flag-o-matic.eclass
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1# Copyright 1999-2008 Gentoo Foundation 1# Copyright 1999-2009 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 1.128 2009/01/02 22:14:18 gengor Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.132 2009/01/21 00:42:20 gengor 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
71 -fPIC|-fpic|-fPIE|-fpie|-Wl,pie|-pie) 71 -fPIC|-fpic|-fPIE|-fpie|-Wl,pie|-pie)
72 gcc-specs-pie || continue 72 gcc-specs-pie || continue
73 is-flagq -nopie || append-flags -nopie;; 73 is-flagq -nopie || append-flags -nopie;;
74 -fstack-protector) 74 -fstack-protector)
75 gcc-specs-ssp || continue 75 gcc-specs-ssp || continue
76 is-flagq -fno-stack-protector || append-flags -fno-stack-protector;; 76 is-flagq -fno-stack-protector || append-flags $(test-flags -fno-stack-protector);;
77 -fstack-protector-all) 77 -fstack-protector-all)
78 gcc-specs-ssp-to-all || continue 78 gcc-specs-ssp-to-all || continue
79 is-flagq -fno-stack-protector-all || append-flags -fno-stack-protector-all;; 79 is-flagq -fno-stack-protector-all || append-flags $(test-flags -fno-stack-protector-all);;
80 -fno-strict-overflow) 80 -fno-strict-overflow)
81 gcc-specs-nostrict || continue 81 gcc-specs-nostrict || continue
82 is-flagq -fstrict-overflow || append-flags -fstrict-overflow;; 82 is-flagq -fstrict-overflow || append-flags $(test-flags -fstrict-overflow);;
83 esac 83 esac
84 done 84 done
85} 85}
86 86
87# Remove occurrences of strings from variable given in $1 87# Remove occurrences of strings from variable given in $1
131# @DESCRIPTION: 131# @DESCRIPTION:
132# Add extra <flags> to the current CPPFLAGS. 132# Add extra <flags> to the current CPPFLAGS.
133append-cppflags() { 133append-cppflags() {
134 [[ -z $* ]] && return 0 134 [[ -z $* ]] && return 0
135 export CPPFLAGS="${CPPFLAGS} $*" 135 export CPPFLAGS="${CPPFLAGS} $*"
136 return 0
137}
138
139# @FUNCTION: append-cxxflags
140# @USAGE: <flags>
141# @DESCRIPTION:
142# Add extra <flags> to the current CXXFLAGS.
143append-cxxflags() {
144 [[ -z $* ]] && return 0
145 export CXXFLAGS="${CXXFLAGS} $*"
136 return 0 146 return 0
137} 147}
138 148
139# @FUNCTION: append-fflags 149# @FUNCTION: append-fflags
140# @USAGE: <flags> 150# @USAGE: <flags>
556 ewarn "has_ssp_all: deprecated, please use gcc-specs-ssp()!" >&2 566 ewarn "has_ssp_all: deprecated, please use gcc-specs-ssp()!" >&2
557 567
558 # note; this matches only -fstack-protector-all 568 # note; this matches only -fstack-protector-all
559 [[ ${CFLAGS/-fstack-protector-all} != ${CFLAGS} || \ 569 [[ ${CFLAGS/-fstack-protector-all} != ${CFLAGS} || \
560 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__) ]] || \ 570 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__) ]] || \
561 gcc-specs-ssp-all 571 gcc-specs-ssp-to-all
562} 572}
563 573
564# @FUNCTION: has_ssp 574# @FUNCTION: has_ssp
565# @DESCRIPTION: 575# @DESCRIPTION:
566# DEPRECATED - use gcc-specs-ssp from toolchain-funcs 576# DEPRECATED - use gcc-specs-ssp from toolchain-funcs
692# @FUNCTION: bindnow-flags 702# @FUNCTION: bindnow-flags
693# @RETURN: Returns the flags to enable "now" binding in the current selected linker. 703# @RETURN: Returns the flags to enable "now" binding in the current selected linker.
694# @DESCRIPTION: 704# @DESCRIPTION:
695# DEPRECATED - Gets the flags needed for "NOW" binding 705# DEPRECATED - Gets the flags needed for "NOW" binding
696bindnow-flags() { 706bindnow-flags() {
697 ewarn "QA: stop using the bindnow-flags function ... simply drop it from your ebuild" >&2 707 ewarn "QA: stop using the bindnow-flags function ... simply drop it from your ebuild"
698
699 case $($(tc-getLD) -v 2>&1 </dev/null) in
700 *GNU* | *'with BFD'*) # GNU ld
701 echo "-Wl,-z,now" ;;
702 *Apple*) # Darwin ld
703 echo "-bind_at_load" ;;
704 *)
705 # Some linkers just recognize -V instead of -v
706 case $($(tc-getLD) -V 2>&1 </dev/null) in
707 *Solaris*) # Solaris accept almost the same GNU options
708 echo "-Wl,-z,now" ;;
709 esac
710 ;;
711 esac
712} 708}
713 709
714 710
715# Some tests for when we screw with things and want to make 711# Some tests for when we screw with things and want to make
716# sure we didn't break anything 712# sure we didn't break anything

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