/[gentoo-x86]/eclass/flag-o-matic.eclass
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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 1.132 2009/01/21 00:42:20 gengor Exp $ 3# $Header: /var/cvsroot/gentoo-x86/eclass/flag-o-matic.eclass,v 1.143 2009/08/15 18:04:08 zmedico 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-ssse3 -mno-sse4 -mno-sse4.1 \
47 -mno-sse4.2 -mno-avx -mno-aes -mno-pclmul -mno-sse4a -mno-3dnow \
48 -mno-popcnt -mno-abm \
47 -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 \ 49 -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 -mplt \
48 -msoft-float -mno-soft-float -mhard-float -mno-hard-float -mfpu \ 50 -msoft-float -mno-soft-float -mhard-float -mno-hard-float -mfpu \
49 -mieee -mieee-with-inexact -mschedule \ 51 -mieee -mieee-with-inexact -mschedule \
50 -mtls-direct-seg-refs -mno-tls-direct-seg-refs \ 52 -mtls-direct-seg-refs -mno-tls-direct-seg-refs \
51 -mflat -mno-flat -mno-faster-structs -mfaster-structs \ 53 -mflat -mno-flat -mno-faster-structs -mfaster-structs \
52 -m32 -m64 -mabi -mlittle-endian -mbig-endian -EL -EB -fPIC \ 54 -m32 -m64 -mabi -mlittle-endian -mbig-endian -EL -EB -fPIC \
134 [[ -z $* ]] && return 0 136 [[ -z $* ]] && return 0
135 export CPPFLAGS="${CPPFLAGS} $*" 137 export CPPFLAGS="${CPPFLAGS} $*"
136 return 0 138 return 0
137} 139}
138 140
141# @FUNCTION: append-cflags
142# @USAGE: <flags>
143# @DESCRIPTION:
144# Add extra <flags> to the current CFLAGS.
145append-cflags() {
146 [[ -z $* ]] && return 0
147 export CFLAGS="${CFLAGS} $*"
148 return 0
149}
150
139# @FUNCTION: append-cxxflags 151# @FUNCTION: append-cxxflags
140# @USAGE: <flags> 152# @USAGE: <flags>
141# @DESCRIPTION: 153# @DESCRIPTION:
142# Add extra <flags> to the current CXXFLAGS. 154# Add extra <flags> to the current CXXFLAGS.
143append-cxxflags() { 155append-cxxflags() {
169# @USAGE: <flags> 181# @USAGE: <flags>
170# @DESCRIPTION: 182# @DESCRIPTION:
171# Add extra <flags> to your current {C,CXX,F,FC}FLAGS. 183# Add extra <flags> to your current {C,CXX,F,FC}FLAGS.
172append-flags() { 184append-flags() {
173 [[ -z $* ]] && return 0 185 [[ -z $* ]] && return 0
174 export CFLAGS="${CFLAGS} $*" 186 append-cflags "$@"
175 export CXXFLAGS="${CXXFLAGS} $*" 187 append-cxxflags "$@"
176 export FFLAGS="${FFLAGS} $*" 188 append-fflags "$@"
177 export FCFLAGS="${FCFLAGS} $*"
178 return 0 189 return 0
179} 190}
180 191
181# @FUNCTION: replace-flags 192# @FUNCTION: replace-flags
182# @USAGE: <old> <new> 193# @USAGE: <old> <new>
312 local NEW_CXXFLAGS="" 323 local NEW_CXXFLAGS=""
313 local NEW_FFLAGS="" 324 local NEW_FFLAGS=""
314 local NEW_FCFLAGS="" 325 local NEW_FCFLAGS=""
315 326
316 # Allow unstable C[XX]FLAGS if we are using unstable profile ... 327 # Allow unstable C[XX]FLAGS if we are using unstable profile ...
317 if has ~$(tc-arch) ${ACCEPT_KEYWORDS} ; then 328 if has \~$(tc-arch) ${ACCEPT_KEYWORDS} ; then
318 ALLOWED_FLAGS="${ALLOWED_FLAGS} ${UNSTABLE_FLAGS}" 329 ALLOWED_FLAGS="${ALLOWED_FLAGS} ${UNSTABLE_FLAGS}"
319 fi 330 fi
320 331
321 set -f # disable pathname expansion 332 set -f # disable pathname expansion
322 333
702# @FUNCTION: bindnow-flags 713# @FUNCTION: bindnow-flags
703# @RETURN: Returns the flags to enable "now" binding in the current selected linker. 714# @RETURN: Returns the flags to enable "now" binding in the current selected linker.
704# @DESCRIPTION: 715# @DESCRIPTION:
705# DEPRECATED - Gets the flags needed for "NOW" binding 716# DEPRECATED - Gets the flags needed for "NOW" binding
706bindnow-flags() { 717bindnow-flags() {
707 ewarn "QA: stop using the bindnow-flags function ... simply drop it from your ebuild" 718 eerror "QA: stop using the bindnow-flags function ... simply drop it from your ebuild"
719 die "Stop using bindnow-flags."
708} 720}
709 721
710 722
711# Some tests for when we screw with things and want to make 723# Some tests for when we screw with things and want to make
712# sure we didn't break anything 724# sure we didn't break anything

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