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1# Copyright 1999-2009 Gentoo Foundation 1# Copyright 1999-2011 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 1.164 2012/01/13 22:40:29 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
9# @DESCRIPTION: 9# @DESCRIPTION:
10# This eclass contains a suite of functions to help developers sanely 10# This eclass contains a suite of functions to help developers sanely
11# and safely manage toolchain flags in their builds. 11# and safely manage toolchain flags in their builds.
12
13if [[ ${___ECLASS_ONCE_FLAG_O_MATIC} != "recur -_+^+_- spank" ]] ; then
14___ECLASS_ONCE_FLAG_O_MATIC="recur -_+^+_- spank"
12 15
13inherit eutils toolchain-funcs multilib 16inherit eutils toolchain-funcs multilib
14 17
15################ DEPRECATED functions ################ 18################ DEPRECATED functions ################
16# The following are still present to avoid breaking existing 19# The following are still present to avoid breaking existing
27 30
28 31
29# {C,CXX,F,FC}FLAGS that we allow in strip-flags 32# {C,CXX,F,FC}FLAGS that we allow in strip-flags
30# Note: shell globs and character lists are allowed 33# Note: shell globs and character lists are allowed
31setup-allowed-flags() { 34setup-allowed-flags() {
32 if [[ -z ${ALLOWED_FLAGS} ]] ; then
33 export ALLOWED_FLAGS="-pipe" 35 ALLOWED_FLAGS="-pipe"
34 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -O -O0 -O1 -O2 -mcpu -march -mtune" 36 ALLOWED_FLAGS+=" -O -O1 -O2 -Os -mcpu -march -mtune"
35 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -fstack-protector -fstack-protector-all" 37 ALLOWED_FLAGS+=" -fstack-protector -fstack-protector-all"
36 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -fbounds-checking -fno-strict-overflow" 38 ALLOWED_FLAGS+=" -fbounds-checking -fno-strict-overflow"
37 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -fno-PIE -fno-pie -fno-unit-at-a-time" 39 ALLOWED_FLAGS+=" -fno-PIE -fno-pie -fno-unit-at-a-time"
38 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -g -g[0-9] -ggdb -ggdb[0-9] -gstabs -gstabs+" 40 ALLOWED_FLAGS+=" -g -g[0-9] -ggdb -ggdb[0-9] -gstabs -gstabs+"
39 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -fno-ident" 41 ALLOWED_FLAGS+=" -fno-ident -fpermissive"
40 export ALLOWED_FLAGS="${ALLOWED_FLAGS} -W* -w" 42 ALLOWED_FLAGS+=" -W* -w"
41 fi 43
42 # allow a bunch of flags that negate features / control ABI 44 # allow a bunch of flags that negate features / control ABI
43 ALLOWED_FLAGS="${ALLOWED_FLAGS} -fno-stack-protector -fno-stack-protector-all \ 45 ALLOWED_FLAGS+=" -fno-stack-protector -fno-stack-protector-all \
44 -fno-strict-aliasing -fno-bounds-checking -fstrict-overflow" 46 -fno-strict-aliasing -fno-bounds-checking -fstrict-overflow \
47 -fno-omit-frame-pointer"
45 ALLOWED_FLAGS="${ALLOWED_FLAGS} -mregparm -mno-app-regs -mapp-regs \ 48 ALLOWED_FLAGS+=" -mregparm -mno-app-regs -mapp-regs -mno-mmx -mno-sse \
46 -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow \ 49 -mno-sse2 -mno-sse3 -mno-ssse3 -mno-sse4 -mno-sse4.1 -mno-sse4.2 \
50 -mno-avx -mno-aes -mno-pclmul -mno-sse4a -mno-3dnow -mno-popcnt \
47 -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 \ 51 -mno-abm -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 -mplt \
48 -msoft-float -mno-soft-float -mhard-float -mno-hard-float -mfpu \ 52 -msoft-float -mno-soft-float -mhard-float -mno-hard-float -mfpu \
49 -mieee -mieee-with-inexact -mschedule \ 53 -mieee -mieee-with-inexact -mschedule -mfloat-gprs -mspe -mno-spe \
50 -mtls-direct-seg-refs -mno-tls-direct-seg-refs \ 54 -mtls-direct-seg-refs -mno-tls-direct-seg-refs -mflat -mno-flat \
51 -mflat -mno-flat -mno-faster-structs -mfaster-structs \ 55 -mno-faster-structs -mfaster-structs -m32 -m64 -mx32 -mabi \
52 -m32 -m64 -mabi -mlittle-endian -mbig-endian -EL -EB -fPIC \ 56 -mlittle-endian -mbig-endian -EL -EB -fPIC -mlive-g0 -mcmodel \
53 -mlive-g0 -mcmodel -mstack-bias -mno-stack-bias \ 57 -mstack-bias -mno-stack-bias -msecure-plt -m*-toc -D* -U*"
54 -msecure-plt -m*-toc -D* -U*"
55 58
56 # {C,CXX,F,FC}FLAGS that we are think is ok, but needs testing 59 # 4.5
57 # NOTE: currently -Os have issues with gcc3 and K6* arch's 60 ALLOWED_FLAGS+=" -mno-fma4 -mno-movbe -mno-xop -mno-lwp"
58 export UNSTABLE_FLAGS="-Os -O3 -freorder-blocks" 61 # 4.6
62 ALLOWED_FLAGS+=" -mno-fsgsbase -mno-rdrnd -mno-f16c -mno-bmi -mno-tbm"
63
64 export ALLOWED_FLAGS
59 return 0 65 return 0
60} 66}
61 67
62# inverted filters for hardened compiler. This is trying to unpick 68# inverted filters for hardened compiler. This is trying to unpick
63# the hardened compiler defaults. 69# the hardened compiler defaults.
105} 111}
106 112
107# @FUNCTION: filter-flags 113# @FUNCTION: filter-flags
108# @USAGE: <flags> 114# @USAGE: <flags>
109# @DESCRIPTION: 115# @DESCRIPTION:
110# Remove particular <flags> from {C,CPP,CXX,F,FC}FLAGS. Accepts shell globs. 116# Remove particular <flags> from {C,CPP,CXX,F,FC,LD}FLAGS. Accepts shell globs.
111filter-flags() { 117filter-flags() {
112 _filter-hardened "$@" 118 _filter-hardened "$@"
119 local v
120 for v in C CPP CXX F FC LD ; do
113 _filter-var CFLAGS "$@" 121 _filter-var ${v}FLAGS "$@"
114 _filter-var CPPFLAGS "$@" 122 done
115 _filter-var CXXFLAGS "$@"
116 _filter-var FFLAGS "$@"
117 _filter-var FCFLAGS "$@"
118 return 0 123 return 0
119} 124}
120 125
121# @FUNCTION: filter-lfs-flags 126# @FUNCTION: filter-lfs-flags
122# @DESCRIPTION: 127# @DESCRIPTION:
123# Remove flags that enable Large File Support. 128# Remove flags that enable Large File Support.
124filter-lfs-flags() { 129filter-lfs-flags() {
125 [[ -n $@ ]] && die "filter-lfs-flags takes no arguments" 130 [[ $# -ne 0 ]] && die "filter-lfs-flags takes no arguments"
131 # http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
132 # _LARGEFILE_SOURCE: enable support for new LFS funcs (ftello/etc...)
133 # _LARGEFILE64_SOURCE: enable support for 64bit variants (off64_t/fseeko64/etc...)
134 # _FILE_OFFSET_BITS: default to 64bit variants (off_t is defined as off64_t)
126 filter-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 135 filter-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
127} 136}
128 137
129# @FUNCTION: append-cppflags 138# @FUNCTION: append-cppflags
130# @USAGE: <flags> 139# @USAGE: <flags>
131# @DESCRIPTION: 140# @DESCRIPTION:
132# Add extra <flags> to the current CPPFLAGS. 141# Add extra <flags> to the current CPPFLAGS.
133append-cppflags() { 142append-cppflags() {
134 [[ -z $* ]] && return 0 143 [[ $# -eq 0 ]] && return 0
135 export CPPFLAGS="${CPPFLAGS} $*" 144 export CPPFLAGS="${CPPFLAGS} $*"
145 return 0
146}
147
148# @FUNCTION: append-cflags
149# @USAGE: <flags>
150# @DESCRIPTION:
151# Add extra <flags> to the current CFLAGS.
152append-cflags() {
153 [[ $# -eq 0 ]] && return 0
154 export CFLAGS=$(test-flags-CC ${CFLAGS} "$@")
136 return 0 155 return 0
137} 156}
138 157
139# @FUNCTION: append-cxxflags 158# @FUNCTION: append-cxxflags
140# @USAGE: <flags> 159# @USAGE: <flags>
141# @DESCRIPTION: 160# @DESCRIPTION:
142# Add extra <flags> to the current CXXFLAGS. 161# Add extra <flags> to the current CXXFLAGS.
143append-cxxflags() { 162append-cxxflags() {
144 [[ -z $* ]] && return 0 163 [[ $# -eq 0 ]] && return 0
145 export CXXFLAGS="${CXXFLAGS} $*" 164 export CXXFLAGS=$(test-flags-CXX ${CXXFLAGS} "$@")
146 return 0 165 return 0
147} 166}
148 167
149# @FUNCTION: append-fflags 168# @FUNCTION: append-fflags
150# @USAGE: <flags> 169# @USAGE: <flags>
151# @DESCRIPTION: 170# @DESCRIPTION:
152# Add extra <flags> to the current {F,FC}FLAGS. 171# Add extra <flags> to the current {F,FC}FLAGS.
153append-fflags() { 172append-fflags() {
154 [[ -z $* ]] && return 0 173 [[ $# -eq 0 ]] && return 0
155 export FFLAGS="${FFLAGS} $*" 174 export FFLAGS=$(test-flags-F77 ${FFLAGS} "$@")
156 export FCFLAGS="${FCFLAGS} $*" 175 export FCFLAGS=$(test-flags-FC ${FCFLAGS} "$@")
157 return 0 176 return 0
158} 177}
159 178
160# @FUNCTION: append-lfs-flags 179# @FUNCTION: append-lfs-flags
161# @DESCRIPTION: 180# @DESCRIPTION:
162# Add flags that enable Large File Support. 181# Add flags that enable Large File Support.
163append-lfs-flags() { 182append-lfs-flags() {
164 [[ -n $@ ]] && die "append-lfs-flags takes no arguments" 183 [[ $# -ne 0 ]] && die "append-lfs-flags takes no arguments"
184 # see comments in filter-lfs-flags func for meaning of these
165 append-cppflags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE 185 append-cppflags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
166} 186}
167 187
168# @FUNCTION: append-flags 188# @FUNCTION: append-flags
169# @USAGE: <flags> 189# @USAGE: <flags>
170# @DESCRIPTION: 190# @DESCRIPTION:
171# Add extra <flags> to your current {C,CXX,F,FC}FLAGS. 191# Add extra <flags> to your current {C,CXX,F,FC}FLAGS.
172append-flags() { 192append-flags() {
173 [[ -z $* ]] && return 0 193 [[ $# -eq 0 ]] && return 0
174 export CFLAGS="${CFLAGS} $*" 194 append-cflags "$@"
175 export CXXFLAGS="${CXXFLAGS} $*" 195 append-cxxflags "$@"
176 export FFLAGS="${FFLAGS} $*" 196 append-fflags "$@"
177 export FCFLAGS="${FCFLAGS} $*"
178 return 0 197 return 0
179} 198}
180 199
181# @FUNCTION: replace-flags 200# @FUNCTION: replace-flags
182# @USAGE: <old> <new> 201# @USAGE: <old> <new>
311 local NEW_CFLAGS="" 330 local NEW_CFLAGS=""
312 local NEW_CXXFLAGS="" 331 local NEW_CXXFLAGS=""
313 local NEW_FFLAGS="" 332 local NEW_FFLAGS=""
314 local NEW_FCFLAGS="" 333 local NEW_FCFLAGS=""
315 334
316 # Allow unstable C[XX]FLAGS if we are using unstable profile ...
317 if has ~$(tc-arch) ${ACCEPT_KEYWORDS} ; then
318 ALLOWED_FLAGS="${ALLOWED_FLAGS} ${UNSTABLE_FLAGS}"
319 fi
320
321 set -f # disable pathname expansion 335 set -f # disable pathname expansion
322 336
323 for x in ${CFLAGS}; do 337 for x in ${CFLAGS}; do
324 for y in ${ALLOWED_FLAGS}; do 338 for y in ${ALLOWED_FLAGS}; do
325 flag=${x%%=*} 339 flag=${x%%=*}
385 399
386test-flag-PROG() { 400test-flag-PROG() {
387 local comp=$1 401 local comp=$1
388 local flags="$2" 402 local flags="$2"
389 403
390 [[ -z ${comp} || -z ${flags} ]] && \ 404 [[ -z ${comp} || -z ${flags} ]] && return 1
391 return 1
392 405
406 # use -c so we can test the assembler as well
393 local PROG=$(tc-get${comp}) 407 local PROG=$(tc-get${comp})
394 ${PROG} ${flags} -S -o /dev/null -xc /dev/null \ 408 ${PROG} ${flags} -c -o /dev/null -xc /dev/null \
395 > /dev/null 2>&1 409 > /dev/null 2>&1
396} 410}
397 411
398# @FUNCTION: test-flag-CC 412# @FUNCTION: test-flag-CC
399# @USAGE: <flag> 413# @USAGE: <flag>
426 440
427 shift 441 shift
428 442
429 [[ -z ${comp} ]] && return 1 443 [[ -z ${comp} ]] && return 1
430 444
431 x=""
432 for x in "$@" ; do 445 for x in "$@" ; do
433 test-flag-${comp} "${x}" && flags="${flags}${flags:+ }${x}" 446 test-flag-${comp} "${x}" && flags="${flags}${flags:+ }${x}"
434 done 447 done
435 448
436 echo "${flags}" 449 echo "${flags}"
467# @USAGE: <flags> 480# @USAGE: <flags>
468# @DESCRIPTION: 481# @DESCRIPTION:
469# Short-hand that should hopefully work for both C and C++ compiler, but 482# Short-hand that should hopefully work for both C and C++ compiler, but
470# its really only present due to the append-flags() abomination. 483# its really only present due to the append-flags() abomination.
471test-flags() { test-flags-CC "$@"; } 484test-flags() { test-flags-CC "$@"; }
472
473# @FUNCTION: test_flag
474# @DESCRIPTION:
475# DEPRICIATED, use test-flags()
476test_flag() {
477 ewarn "test_flag: deprecated, please use test-flags()!" >&2
478
479 test-flags-CC "$@"
480}
481 485
482# @FUNCTION: test_version_info 486# @FUNCTION: test_version_info
483# @USAGE: <version> 487# @USAGE: <version>
484# @DESCRIPTION: 488# @DESCRIPTION:
485# Returns shell true if the current C compiler version matches <version>, else returns shell false. 489# Returns shell true if the current C compiler version matches <version>, else returns shell false.
521 fi 525 fi
522 done 526 done
523 return 1 527 return 1
524} 528}
525 529
526# @FUNCTION: has_hardened 530# DEAD FUNCS. Remove by Dec 2011.
527# @DESCRIPTION: 531test_flag() { die "$0: deprecated, please use test-flags()!" ; }
528# DEPRECATED - use gcc-specs-relro or gcc-specs-now from toolchain-funcs
529has_hardened() {
530 ewarn "has_hardened: deprecated, please use gcc-specs-{relro,now}()!" >&2 532has_hardened() { die "$0: deprecated, please use gcc-specs-{relro,now}()!" ; }
531
532 test_version_info Hardened && return 0
533 # The specs file wont exist unless gcc has GCC_SPECS support
534 [[ -f ${GCC_SPECS} && ${GCC_SPECS} != ${GCC_SPECS/hardened/} ]]
535}
536
537# @FUNCTION: has_pic
538# @DESCRIPTION:
539# DEPRECATED - use gcc-specs-pie from toolchain-funcs
540# indicate whether PIC is set
541has_pic() {
542 ewarn "has_pic: deprecated, please use gcc-specs-pie()!" >&2 533has_pic() { die "$0: deprecated, please use gcc-specs-pie()!" ; }
543
544 [[ ${CFLAGS/-fPIC} != ${CFLAGS} || \
545 ${CFLAGS/-fpic} != ${CFLAGS} ]] || \
546 gcc-specs-pie
547}
548
549# @FUNCTION: has_pie
550# @DESCRIPTION:
551# DEPRECATED - use gcc-specs-pie from toolchain-funcs
552# indicate whether PIE is set
553has_pie() {
554 ewarn "has_pie: deprecated, please use gcc-specs-pie()!" >&2 534has_pie() { die "$0: deprecated, please use gcc-specs-pie()!" ; }
555
556 [[ ${CFLAGS/-fPIE} != ${CFLAGS} || \
557 ${CFLAGS/-fpie} != ${CFLAGS} ]] || \
558 gcc-specs-pie
559}
560
561# @FUNCTION: has_ssp_all
562# @DESCRIPTION:
563# DEPRECATED - use gcc-specs-ssp from toolchain-funcs
564# indicate whether code for SSP is being generated for all functions
565has_ssp_all() {
566 ewarn "has_ssp_all: deprecated, please use gcc-specs-ssp()!" >&2 535has_ssp_all() { die "$0: deprecated, please use gcc-specs-ssp()!" ; }
567
568 # note; this matches only -fstack-protector-all
569 [[ ${CFLAGS/-fstack-protector-all} != ${CFLAGS} || \
570 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP_ALL__) ]] || \
571 gcc-specs-ssp-to-all
572}
573
574# @FUNCTION: has_ssp
575# @DESCRIPTION:
576# DEPRECATED - use gcc-specs-ssp from toolchain-funcs
577# indicate whether code for SSP is being generated
578has_ssp() {
579 ewarn "has_ssp: deprecated, please use gcc-specs-ssp()!" >&2 536has_ssp() { die "$0: deprecated, please use gcc-specs-ssp()!" ; }
580
581 # note; this matches both -fstack-protector and -fstack-protector-all
582 [[ ${CFLAGS/-fstack-protector} != ${CFLAGS} || \
583 -n $(echo | $(tc-getCC) ${CFLAGS} -E -dM - | grep __SSP__) ]] || \
584 gcc-specs-ssp
585}
586 537
587# @FUNCTION: has_m64 538# @FUNCTION: has_m64
588# @DESCRIPTION: 539# @DESCRIPTION:
589# This doesn't test if the flag is accepted, it tests if the flag actually 540# This doesn't test if the flag is accepted, it tests if the flag actually
590# WORKS. Non-multilib gcc will take both -m32 and -m64. If the flag works 541# WORKS. Non-multilib gcc will take both -m32 and -m64. If the flag works
655 fi 606 fi
656 607
657 export CFLAGS CXXFLAGS 608 export CFLAGS CXXFLAGS
658} 609}
659 610
611# @FUNCTION: append-libs
612# @USAGE: <libs>
613# @DESCRIPTION:
614# Add extra <libs> to the current LIBS.
615append-libs() {
616 [[ $# -eq 0 ]] && return 0
617 local flag
618 for flag in "$@"; do
619 [[ ${flag} == -l* ]] && flag=${flag#-l}
620 export LIBS="${LIBS} -l${flag}"
621 done
622
623 return 0
624}
625
660# @FUNCTION: append-ldflags 626# @FUNCTION: append-ldflags
661# @USAGE: <flags> 627# @USAGE: <flags>
662# @DESCRIPTION: 628# @DESCRIPTION:
663# Add extra <flags> to the current LDFLAGS. 629# Add extra <flags> to the current LDFLAGS.
664append-ldflags() { 630append-ldflags() {
665 [[ -z $* ]] && return 0 631 [[ $# -eq 0 ]] && return 0
666 local flag 632 local flag
667 for flag in "$@"; do 633 for flag in "$@"; do
668 [[ ${flag} == -l* ]] && \ 634 [[ ${flag} == -l* ]] && \
669 ewarn "Appending a library link instruction (${flag}); libraries to link to should not be passed through LDFLAGS" 635 ewarn "Appending a library link instruction (${flag}); libraries to link to should not be passed through LDFLAGS"
670 done 636 done
681 _filter-var LDFLAGS "$@" 647 _filter-var LDFLAGS "$@"
682 return 0 648 return 0
683} 649}
684 650
685# @FUNCTION: raw-ldflags 651# @FUNCTION: raw-ldflags
686# @USAGE: <flags> 652# @USAGE: [flags]
687# @DESCRIPTION: 653# @DESCRIPTION:
688# Turn C style ldflags (-Wl,-foo) into straight ldflags - the results 654# Turn C style ldflags (-Wl,-foo) into straight ldflags - the results
689# are suitable for passing directly to 'ld'; note LDFLAGS is usually passed 655# are suitable for passing directly to 'ld'; note LDFLAGS is usually passed
690# to gcc where it needs the '-Wl,'. 656# to gcc where it needs the '-Wl,'.
657#
658# If no flags are specified, then default to ${LDFLAGS}.
691raw-ldflags() { 659raw-ldflags() {
692 local x input="$@" 660 local x input="$@"
693 [[ -z ${input} ]] && input=${LDFLAGS} 661 [[ -z ${input} ]] && input=${LDFLAGS}
694 set -- 662 set --
695 for x in ${input} ; do 663 for x in ${input} ; do
697 set -- "$@" ${x//,/ } 665 set -- "$@" ${x//,/ }
698 done 666 done
699 echo "$@" 667 echo "$@"
700} 668}
701 669
702# @FUNCTION: bindnow-flags 670# @FUNCTION: no-as-needed
703# @RETURN: Returns the flags to enable "now" binding in the current selected linker. 671# @RETURN: Flag to disable asneeded behavior for use with append-ldflags.
704# @DESCRIPTION: 672no-as-needed() {
705# DEPRECATED - Gets the flags needed for "NOW" binding 673 case $($(tc-getLD) -v 2>&1 </dev/null) in
706bindnow-flags() { 674 *GNU*) # GNU ld
707 ewarn "QA: stop using the bindnow-flags function ... simply drop it from your ebuild" 675 echo "-Wl,--no-as-needed" ;;
676 esac
708} 677}
709 678
710 679fi
711# Some tests for when we screw with things and want to make
712# sure we didn't break anything
713#TESTS() {
714# CFLAGS="-a -b -c=1"
715# CXXFLAGS="-x -y -z=2"
716# LDFLAGS="-l -m -n=3"
717#
718# die() { exit 1; }
719# (is-flag 1 2 3) && die
720# (is-ldflag 1 2 3) && die
721#
722# is-flagq -l && die
723# is-ldflagq -a && die
724# is-flagq -a || die
725# is-flagq -x || die
726# is-ldflagq -n=* || die
727# is-ldflagq -n && die
728#
729# strip-unsupported-flags
730# [[ ${CFLAGS} == "-c=1" ]] || die
731# [[ ${CXXFLAGS} == "-y -z=2" ]] || die
732#
733# echo "All tests pass"
734#}
735#TESTS

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