/[gentoo-x86]/eclass/flag-o-matic.eclass
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Revision 1.129 Revision 1.136
1# Copyright 1999-2009 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 1.129 2009/01/04 17:22:16 vapier Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.136 2009/05/23 23:12:07 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
39 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -fno-ident" 39 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -fno-ident"
40 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -W* -w" 40 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -W* -w"
41 fi 41 fi
42 # allow a bunch of flags that negate features / control ABI 42 # allow a bunch of flags that negate features / control ABI
43 ALLOWED_FLAGS="${ALLOWED_FLAGS} -fno-stack-protector -fno-stack-protector-all \ 43 ALLOWED_FLAGS="${ALLOWED_FLAGS} -fno-stack-protector -fno-stack-protector-all \
44 -fno-strict-aliasing -fno-bounds-checking -fstrict-overflow" 44 -fno-strict-aliasing -fno-bounds-checking -fstrict-overflow -fno-omit-frame-pointer"
45 ALLOWED_FLAGS="${ALLOWED_FLAGS} -mregparm -mno-app-regs -mapp-regs \ 45 ALLOWED_FLAGS="${ALLOWED_FLAGS} -mregparm -mno-app-regs -mapp-regs \
46 -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow \ 46 -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow \
47 -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 \ 47 -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 \
48 -msoft-float -mno-soft-float -mhard-float -mno-hard-float -mfpu \ 48 -msoft-float -mno-soft-float -mhard-float -mno-hard-float -mfpu \
49 -mieee -mieee-with-inexact -mschedule \ 49 -mieee -mieee-with-inexact -mschedule \
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
134 [[ -z $* ]] && return 0 134 [[ -z $* ]] && return 0
135 export CPPFLAGS="${CPPFLAGS} $*" 135 export CPPFLAGS="${CPPFLAGS} $*"
136 return 0 136 return 0
137} 137}
138 138
139# @FUNCTION: append-cflags
140# @USAGE: <flags>
141# @DESCRIPTION:
142# Add extra <flags> to the current CFLAGS.
143append-cppflags() {
144 [[ -z $* ]] && return 0
145 export CFLAGS="${CFLAGS} $*"
146 return 0
147}
148
149# @FUNCTION: append-cxxflags
150# @USAGE: <flags>
151# @DESCRIPTION:
152# Add extra <flags> to the current CXXFLAGS.
153append-cxxflags() {
154 [[ -z $* ]] && return 0
155 export CXXFLAGS="${CXXFLAGS} $*"
156 return 0
157}
158
139# @FUNCTION: append-fflags 159# @FUNCTION: append-fflags
140# @USAGE: <flags> 160# @USAGE: <flags>
141# @DESCRIPTION: 161# @DESCRIPTION:
142# Add extra <flags> to the current {F,FC}FLAGS. 162# Add extra <flags> to the current {F,FC}FLAGS.
143append-fflags() { 163append-fflags() {
159# @USAGE: <flags> 179# @USAGE: <flags>
160# @DESCRIPTION: 180# @DESCRIPTION:
161# Add extra <flags> to your current {C,CXX,F,FC}FLAGS. 181# Add extra <flags> to your current {C,CXX,F,FC}FLAGS.
162append-flags() { 182append-flags() {
163 [[ -z $* ]] && return 0 183 [[ -z $* ]] && return 0
164 export CFLAGS="${CFLAGS} $*" 184 append-cflags "$@"
165 export CXXFLAGS="${CXXFLAGS} $*" 185 append-cppflags "$@"
166 export FFLAGS="${FFLAGS} $*" 186 append-fflags "$@"
167 export FCFLAGS="${FCFLAGS} $*"
168 return 0 187 return 0
169} 188}
170 189
171# @FUNCTION: replace-flags 190# @FUNCTION: replace-flags
172# @USAGE: <old> <new> 191# @USAGE: <old> <new>
556 ewarn "has_ssp_all: deprecated, please use gcc-specs-ssp()!" >&2 575 ewarn "has_ssp_all: deprecated, please use gcc-specs-ssp()!" >&2
557 576
558 # note; this matches only -fstack-protector-all 577 # note; this matches only -fstack-protector-all
559 [[ ${CFLAGS/-fstack-protector-all} != ${CFLAGS} || \ 578 [[ ${CFLAGS/-fstack-protector-all} != ${CFLAGS} || \
560 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__) ]] || \ 579 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__) ]] || \
561 gcc-specs-ssp-all 580 gcc-specs-ssp-to-all
562} 581}
563 582
564# @FUNCTION: has_ssp 583# @FUNCTION: has_ssp
565# @DESCRIPTION: 584# @DESCRIPTION:
566# DEPRECATED - use gcc-specs-ssp from toolchain-funcs 585# DEPRECATED - use gcc-specs-ssp from toolchain-funcs

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