[gentoo-commits] repo/proj/prefix:master commit in: eclass/

[Fabian Groffen]

commit:     5b4bc212f92575f039a0a39aec988beae66f6701
Author:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
AuthorDate: Tue May  4 17:15:51 2021 +0000
Commit:     Fabian Groffen <grobian <AT> gentoo <DOT> org>
CommitDate: Tue May  4 17:15:51 2021 +0000
URL:        https://gitweb.gentoo.org/repo/proj/prefix.git/commit/?id=5b4bc212

eclass/flag-o-matic: drop from prefix

Signed-off-by: Fabian Groffen <grobian <AT> gentoo.org>

 eclass/flag-o-matic.eclass | 776 ---------------------------------------------
 1 file changed, 776 deletions(-)

diff --git a/eclass/flag-o-matic.eclass b/eclass/flag-o-matic.eclass
deleted file mode 100644
index 20ee39d98b..0000000000
--- a/eclass/flag-o-matic.eclass
+++ /dev/null
@@ -1,776 +0,0 @@
-# Copyright 1999-2020 Gentoo Authors
-# Distributed under the terms of the GNU General Public License v2
-
-# @ECLASS: flag-o-matic.eclass
-# @MAINTAINER:
-# toolchain@g.o
-# @BLURB: common functions to manipulate and query toolchain flags
-# @DESCRIPTION:
-# This eclass contains a suite of functions to help developers sanely
-# and safely manage toolchain flags in their builds.
-
-if [[ -z ${_FLAG_O_MATIC_ECLASS} ]]; then
-_FLAG_O_MATIC_ECLASS=1
-
-inherit eutils toolchain-funcs multilib
-
-# Return all the flag variables that our high level funcs operate on.
-all-flag-vars() {
-	echo {ADA,C,CPP,CXX,CCAS,F,FC,LD}FLAGS
-}
-
-# {C,CPP,CXX,CCAS,F,FC,LD}FLAGS that we allow in strip-flags
-# Note: shell globs and character lists are allowed
-setup-allowed-flags() {
-	ALLOWED_FLAGS=(
-		-pipe -O '-O[12sg]' -mcpu -march -mtune
-		'-fstack-protector*' '-fsanitize*' '-fstack-check*' -fno-stack-check
-		-fbounds-check -fbounds-checking -fno-strict-overflow
-		-fno-PIE -fno-pie -nopie -no-pie -fno-unit-at-a-time
-
-		# debugging symbols should generally be very safe to add
-		-g '-g[0-9]'
-		-ggdb '-ggdb[0-9]'
-		-gdwarf '-gdwarf-*'
-		-gstabs -gstabs+
-		-gz
-
-		-fno-ident -fpermissive -frecord-gcc-switches
-		'-fdiagnostics*' '-fplugin*'
-		'-W*' -w
-
-		# CPPFLAGS and LDFLAGS
-		'-[DUILR]*' '-Wl,*'
-
-		# Linker choice flag
-		'-fuse-ld'
-	)
-
-	# allow a bunch of flags that negate features / control ABI
-	ALLOWED_FLAGS+=(
-		'-fno-stack-protector*' '-fabi-version=*'
-		-fno-strict-aliasing -fno-bounds-check -fno-bounds-checking -fstrict-overflow
-		-fno-omit-frame-pointer '-fno-builtin*'
-	)
-	ALLOWED_FLAGS+=(
-		-mregparm -mno-app-regs -mapp-regs -mno-mmx -mno-sse
-		-mno-sse2 -mno-sse3 -mno-ssse3 -mno-sse4 -mno-sse4.1 -mno-sse4.2
-		-mno-avx -mno-aes -mno-pclmul -mno-sse4a -mno-3dnow -mno-popcnt
-		-mno-abm -mips1 -mips2 -mips3 -mips4 -mips32 -mips64 -mips16 -mplt
-		-msoft-float -mno-soft-float -mhard-float -mno-hard-float -mfpu
-		-mieee -mieee-with-inexact -mschedule -mfloat-gprs -mspe -mno-spe
-		-mtls-direct-seg-refs -mno-tls-direct-seg-refs -mflat -mno-flat
-		-mno-faster-structs -mfaster-structs -m32 -m64 -mx32 -mabi
-		-mlittle-endian -mbig-endian -EL -EB -fPIC -mlive-g0 -mcmodel
-		-mstack-bias -mno-stack-bias -msecure-plt '-m*-toc' -mfloat-abi
-		-mfix-r4000 -mno-fix-r4000 -mfix-r4400 -mno-fix-r4400
-		-mfix-rm7000 -mno-fix-rm7000 -mfix-r10000 -mno-fix-r10000
-		-mr10k-cache-barrier -mthumb -marm
-
-		# gcc 4.5
-		-mno-fma4 -mno-movbe -mno-xop -mno-lwp
-		# gcc 4.6
-		-mno-fsgsbase -mno-rdrnd -mno-f16c -mno-bmi -mno-tbm
-		# gcc 4.7
-		-mno-avx2 -mno-bmi2 -mno-fma -mno-lzcnt
-		# gcc 4.8
-		-mno-fxsr -mno-hle -mno-rtm -mno-xsave -mno-xsaveopt
-		# gcc 4.9
-		-mno-avx512cd -mno-avx512er -mno-avx512f -mno-avx512pf -mno-sha
-	)
-
-	# Allow some safe individual flags. Should come along with the bug reference.
-	ALLOWED_FLAGS+=(
-		# Allow explicit stack realignment to run non-conformant
-		# binaries: bug #677852
-		-mstackrealign
-	)
-}
-
-# inverted filters for hardened compiler.  This is trying to unpick
-# the hardened compiler defaults.
-_filter-hardened() {
-	local f
-	for f in "$@" ; do
-		case "${f}" in
-			# Ideally we should only concern ourselves with PIE flags,
-			# not -fPIC or -fpic, but too many places filter -fPIC without
-			# thinking about -fPIE.
-			-fPIC|-fpic|-fPIE|-fpie|-Wl,pie|-pie)
-				gcc-specs-pie || continue
-				if ! is-flagq -nopie && ! is-flagq -no-pie ; then
-					# Support older Gentoo form first (-nopie) before falling
-					# back to the official gcc-6+ form (-no-pie).
-					if test-flags -nopie >/dev/null ; then
-						append-flags -nopie
-					else
-						append-flags -no-pie
-					fi
-				fi
-				;;
-			-fstack-protector)
-				gcc-specs-ssp || continue
-				is-flagq -fno-stack-protector || append-flags $(test-flags -fno-stack-protector);;
-			-fstack-protector-all)
-				gcc-specs-ssp-to-all || continue
-				is-flagq -fno-stack-protector-all || append-flags $(test-flags -fno-stack-protector-all);;
-			-fno-strict-overflow)
-				gcc-specs-nostrict || continue
-				is-flagq -fstrict-overflow || append-flags $(test-flags -fstrict-overflow);;
-		esac
-	done
-}
-
-# Remove occurrences of strings from variable given in $1
-# Strings removed are matched as globs, so for example
-# '-O*' would remove -O1, -O2 etc.
-_filter-var() {
-	local f x var=$1 new=()
-	shift
-
-	for f in ${!var} ; do
-		for x in "$@" ; do
-			# Note this should work with globs like -O*
-			[[ ${f} == ${x} ]] && continue 2
-		done
-		new+=( "${f}" )
-	done
-	export ${var}="${new[*]}"
-}
-
-# @FUNCTION: filter-flags
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Remove particular <flags> from {C,CPP,CXX,CCAS,F,FC,LD}FLAGS.  Accepts shell globs.
-filter-flags() {
-	_filter-hardened "$@"
-	local v
-	for v in $(all-flag-vars) ; do
-		_filter-var ${v} "$@"
-	done
-	return 0
-}
-
-# @FUNCTION: filter-lfs-flags
-# @DESCRIPTION:
-# Remove flags that enable Large File Support.
-filter-lfs-flags() {
-	[[ $# -ne 0 ]] && die "filter-lfs-flags takes no arguments"
-	# http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
-	# _LARGEFILE_SOURCE: enable support for new LFS funcs (ftello/etc...)
-	# _LARGEFILE64_SOURCE: enable support for 64bit variants (off64_t/fseeko64/etc...)
-	# _FILE_OFFSET_BITS: default to 64bit variants (off_t is defined as off64_t)
-	filter-flags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
-}
-
-# @FUNCTION: filter-ldflags
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Remove particular <flags> from LDFLAGS.  Accepts shell globs.
-filter-ldflags() {
-	_filter-var LDFLAGS "$@"
-	return 0
-}
-
-# @FUNCTION: append-cppflags
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Add extra <flags> to the current CPPFLAGS.
-append-cppflags() {
-	[[ $# -eq 0 ]] && return 0
-	export CPPFLAGS+=" $*"
-	return 0
-}
-
-# @FUNCTION: append-cflags
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Add extra <flags> to the current CFLAGS.  If a flag might not be supported
-# with different compilers (or versions), then use test-flags-CC like so:
-# @CODE
-# append-cflags $(test-flags-CC -funky-flag)
-# @CODE
-append-cflags() {
-	[[ $# -eq 0 ]] && return 0
-	# Do not do automatic flag testing ourselves. #417047
-	export CFLAGS+=" $*"
-	return 0
-}
-
-# @FUNCTION: append-cxxflags
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Add extra <flags> to the current CXXFLAGS.  If a flag might not be supported
-# with different compilers (or versions), then use test-flags-CXX like so:
-# @CODE
-# append-cxxflags $(test-flags-CXX -funky-flag)
-# @CODE
-append-cxxflags() {
-	[[ $# -eq 0 ]] && return 0
-	# Do not do automatic flag testing ourselves. #417047
-	export CXXFLAGS+=" $*"
-	return 0
-}
-
-# @FUNCTION: append-fflags
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Add extra <flags> to the current {F,FC}FLAGS.  If a flag might not be supported
-# with different compilers (or versions), then use test-flags-F77 like so:
-# @CODE
-# append-fflags $(test-flags-F77 -funky-flag)
-# @CODE
-append-fflags() {
-	[[ $# -eq 0 ]] && return 0
-	# Do not do automatic flag testing ourselves. #417047
-	export FFLAGS+=" $*"
-	export FCFLAGS+=" $*"
-	return 0
-}
-
-# @FUNCTION: append-lfs-flags
-# @DESCRIPTION:
-# Add flags that enable Large File Support.
-append-lfs-flags() {
-	[[ $# -ne 0 ]] && die "append-lfs-flags takes no arguments"
-	# see comments in filter-lfs-flags func for meaning of these
-	append-cppflags -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
-}
-
-# @FUNCTION: append-ldflags
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Add extra <flags> to the current LDFLAGS.
-append-ldflags() {
-	[[ $# -eq 0 ]] && return 0
-	local flag
-	for flag in "$@"; do
-		[[ ${flag} == -l* ]] && \
-			eqawarn "Appending a library link instruction (${flag}); libraries to link to should not be passed through LDFLAGS"
-	done
-
-	export LDFLAGS="${LDFLAGS} $*"
-	return 0
-}
-
-# @FUNCTION: append-flags
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Add extra <flags> to your current {C,CXX,F,FC}FLAGS.
-append-flags() {
-	[[ $# -eq 0 ]] && return 0
-	case " $* " in
-	*' '-[DIU]*) eqawarn 'please use append-cppflags for preprocessor flags' ;;
-	*' '-L*|\
-	*' '-Wl,*)  eqawarn 'please use append-ldflags for linker flags' ;;
-	esac
-	append-cflags "$@"
-	append-cxxflags "$@"
-	append-fflags "$@"
-	return 0
-}
-
-# @FUNCTION: replace-flags
-# @USAGE: <old> <new>
-# @DESCRIPTION:
-# Replace the <old> flag with <new>.  Accepts shell globs for <old>.
-replace-flags() {
-	[[ $# != 2 ]] && die "Usage: replace-flags <old flag> <new flag>"
-
-	local f var new
-	for var in $(all-flag-vars) ; do
-		# Looping over the flags instead of using a global
-		# substitution ensures that we're working with flag atoms.
-		# Otherwise globs like -O* have the potential to wipe out the
-		# list of flags.
-		new=()
-		for f in ${!var} ; do
-			# Note this should work with globs like -O*
-			[[ ${f} == ${1} ]] && f=${2}
-			new+=( "${f}" )
-		done
-		export ${var}="${new[*]}"
-	done
-
-	return 0
-}
-
-# @FUNCTION: replace-cpu-flags
-# @USAGE: <old> <new>
-# @DESCRIPTION:
-# Replace cpu flags (like -march/-mcpu/-mtune) that select the <old> cpu
-# with flags that select the <new> cpu.  Accepts shell globs for <old>.
-replace-cpu-flags() {
-	local newcpu="$#" ; newcpu="${!newcpu}"
-	while [ $# -gt 1 ] ; do
-		# quote to make sure that no globbing is done (particularly on
-		# ${oldcpu}) prior to calling replace-flags
-		replace-flags "-march=${1}" "-march=${newcpu}"
-		replace-flags "-mcpu=${1}" "-mcpu=${newcpu}"
-		replace-flags "-mtune=${1}" "-mtune=${newcpu}"
-		shift
-	done
-	return 0
-}
-
-_is_flagq() {
-	local x var="$1[*]"
-	for x in ${!var} ; do
-		[[ ${x} == $2 ]] && return 0
-	done
-	return 1
-}
-
-# @FUNCTION: is-flagq
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Returns shell true if <flag> is in {C,CXX,F,FC}FLAGS, else returns shell false.  Accepts shell globs.
-is-flagq() {
-	[[ -n $2 ]] && die "Usage: is-flag <flag>"
-
-	local var
-	for var in $(all-flag-vars) ; do
-		_is_flagq ${var} "$1" && return 0
-	done
-	return 1
-}
-
-# @FUNCTION: is-flag
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Echo's "true" if flag is set in {C,CXX,F,FC}FLAGS.  Accepts shell globs.
-is-flag() {
-	is-flagq "$@" && echo true
-}
-
-# @FUNCTION: is-ldflagq
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Returns shell true if <flag> is in LDFLAGS, else returns shell false.  Accepts shell globs.
-is-ldflagq() {
-	[[ -n $2 ]] && die "Usage: is-ldflag <flag>"
-	_is_flagq LDFLAGS $1
-}
-
-# @FUNCTION: is-ldflag
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Echo's "true" if flag is set in LDFLAGS.  Accepts shell globs.
-is-ldflag() {
-	is-ldflagq "$@" && echo true
-}
-
-# @FUNCTION: filter-mfpmath
-# @USAGE: <math types>
-# @DESCRIPTION:
-# Remove specified math types from the fpmath flag.  For example, if the user
-# has -mfpmath=sse,386, running `filter-mfpmath sse` will leave the user with
-# -mfpmath=386.
-filter-mfpmath() {
-	local orig_mfpmath new_math prune_math
-
-	# save the original -mfpmath flag
-	orig_mfpmath=$(get-flag -mfpmath)
-	# get the value of the current -mfpmath flag
-	new_math=$(get-flag mfpmath)
-	# convert "both" to something we can filter
-	new_math=${new_math/both/387,sse}
-	new_math=" ${new_math//[,+]/ } "
-	# figure out which math values are to be removed
-	prune_math=""
-	for prune_math in "$@" ; do
-		new_math=${new_math/ ${prune_math} / }
-	done
-	new_math=$(echo ${new_math})
-	new_math=${new_math// /,}
-
-	if [[ -z ${new_math} ]] ; then
-		# if we're removing all user specified math values are
-		# slated for removal, then we just filter the flag
-		filter-flags ${orig_mfpmath}
-	else
-		# if we only want to filter some of the user specified
-		# math values, then we replace the current flag
-		replace-flags ${orig_mfpmath} -mfpmath=${new_math}
-	fi
-	return 0
-}
-
-# @FUNCTION: strip-flags
-# @DESCRIPTION:
-# Strip *FLAGS of everything except known good/safe flags.  This runs over all
-# flags returned by all_flag_vars().
-strip-flags() {
-	[[ $# -ne 0 ]] && die "strip-flags takes no arguments"
-	local x y var
-
-	local ALLOWED_FLAGS
-	setup-allowed-flags
-
-	set -f	# disable pathname expansion
-
-	for var in $(all-flag-vars) ; do
-		local new=()
-
-		for x in ${!var} ; do
-			local flag=${x%%=*}
-			for y in "${ALLOWED_FLAGS[@]}" ; do
-				if [[ -z ${flag%%${y}} ]] ; then
-					new+=( "${x}" )
-					break
-				fi
-			done
-		done
-
-		# In case we filtered out all optimization flags fallback to -O2
-		if _is_flagq ${var} "-O*" && ! _is_flagq new "-O*" ; then
-			new+=( -O2 )
-		fi
-
-		if [[ ${!var} != "${new[*]}" ]] ; then
-			einfo "strip-flags: ${var}: changed '${!var}' to '${new[*]}'"
-		fi
-		export ${var}="${new[*]}"
-	done
-
-	set +f	# re-enable pathname expansion
-
-	return 0
-}
-
-test-flag-PROG() {
-	local comp=$1
-	local lang=$2
-	shift 2
-
-	if [[ -z ${comp} ]]; then
-		return 1
-	fi
-	if [[ -z $1 ]]; then
-		return 1
-	fi
-
-	# verify selected compiler exists before using it
-	comp=($(tc-get${comp}))
-	# 'comp' can already contain compiler options.
-	# 'type' needs a binary name
-	if ! type -p ${comp[0]} >/dev/null; then
-		return 1
-	fi
-
-	# Set up test file.
-	local in_src in_ext cmdline_extra=()
-	case "${lang}" in
-		# compiler/assembler only
-		c)
-			in_ext='c'
-			in_src='int main(void) { return 0; }'
-			cmdline_extra+=(-xc -c)
-			;;
-		c++)
-			in_ext='cc'
-			in_src='int main(void) { return 0; }'
-			cmdline_extra+=(-xc++ -c)
-			;;
-		f77)
-			in_ext='f'
-			# fixed source form
-			in_src='      end'
-			cmdline_extra+=(-xf77 -c)
-			;;
-		f95)
-			in_ext='f90'
-			in_src='end'
-			cmdline_extra+=(-xf95 -c)
-			;;
-
-		# C compiler/assembler/linker
-		c+ld)
-			in_ext='c'
-			in_src='int main(void) { return 0; }'
-			cmdline_extra+=(-xc)
-			;;
-	esac
-	local test_in=${T}/test-flag.${in_ext}
-	local test_out=${T}/test-flag.exe
-
-	printf "%s\n" "${in_src}" > "${test_in}" || die "Failed to create '${test_in}'"
-
-	# Currently we rely on warning-free output of a compiler
-	# before the flag to see if a flag prduces any warnings.
-	# This has a few drawbacks:
-	# - if compiler already generates warnings we filter out
-	#   every single flag: bug #712488
-	# - if user actually wants to see warnings we just strip
-	#   them regardless of warnings type.
-	#
-	# We can add more selective detection of no-op flags via
-	# '-Werror=ignored-optimization-argument' and similar error options
-	# similar to what we are doing with '-Qunused-arguments'.
-	local cmdline=(
-		"${comp[@]}"
-		# Clang will warn about unknown gcc flags but exit 0.
-		# Need -Werror to force it to exit non-zero.
-		-Werror
-		"$@"
-		# -x<lang> options need to go before first source file
-		"${cmdline_extra[@]}"
-
-		"${test_in}" -o "${test_out}"
-	)
-
-	if ! "${cmdline[@]}" &>/dev/null; then
-		# -Werror makes clang bail out on unused arguments as well;
-		# try to add -Qunused-arguments to work-around that
-		# other compilers don't support it but then, it's failure like
-		# any other
-		cmdline+=( -Qunused-arguments )
-		"${cmdline[@]}" &>/dev/null
-	fi
-}
-
-# @FUNCTION: test-flag-CC
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Returns shell true if <flag> is supported by the C compiler, else returns shell false.
-test-flag-CC() { test-flag-PROG "CC" c "$@"; }
-
-# @FUNCTION: test-flag-CXX
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Returns shell true if <flag> is supported by the C++ compiler, else returns shell false.
-test-flag-CXX() { test-flag-PROG "CXX" c++ "$@"; }
-
-# @FUNCTION: test-flag-F77
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Returns shell true if <flag> is supported by the Fortran 77 compiler, else returns shell false.
-test-flag-F77() { test-flag-PROG "F77" f77 "$@"; }
-
-# @FUNCTION: test-flag-FC
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Returns shell true if <flag> is supported by the Fortran 90 compiler, else returns shell false.
-test-flag-FC() { test-flag-PROG "FC" f95 "$@"; }
-
-# @FUNCTION: test-flag-CCLD
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Returns shell true if <flag> is supported by the C compiler and linker, else returns shell false.
-test-flag-CCLD() { test-flag-PROG "CC" c+ld "$@"; }
-
-test-flags-PROG() {
-	local comp=$1
-	local flags=()
-	local x
-
-	shift
-
-	[[ -z ${comp} ]] && return 1
-
-	while (( $# )); do
-		case "$1" in
-			# '-B /foo': bug # 687198
-			--param|-B)
-				if test-flag-${comp} "$1" "$2"; then
-					flags+=( "$1" "$2" )
-				fi
-				shift 2
-				;;
-			*)
-				if test-flag-${comp} "$1"; then
-					flags+=( "$1" )
-				fi
-				shift 1
-				;;
-		esac
-	done
-
-	echo "${flags[*]}"
-
-	# Just bail if we dont have any flags
-	[[ ${#flags[@]} -gt 0 ]]
-}
-
-# @FUNCTION: test-flags-CC
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Returns shell true if <flags> are supported by the C compiler, else returns shell false.
-test-flags-CC() { test-flags-PROG "CC" "$@"; }
-
-# @FUNCTION: test-flags-CXX
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Returns shell true if <flags> are supported by the C++ compiler, else returns shell false.
-test-flags-CXX() { test-flags-PROG "CXX" "$@"; }
-
-# @FUNCTION: test-flags-F77
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Returns shell true if <flags> are supported by the Fortran 77 compiler, else returns shell false.
-test-flags-F77() { test-flags-PROG "F77" "$@"; }
-
-# @FUNCTION: test-flags-FC
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Returns shell true if <flags> are supported by the Fortran 90 compiler, else returns shell false.
-test-flags-FC() { test-flags-PROG "FC" "$@"; }
-
-# @FUNCTION: test-flags-CCLD
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Returns shell true if <flags> are supported by the C compiler and default linker, else returns shell false.
-test-flags-CCLD() { test-flags-PROG "CCLD" "$@"; }
-
-# @FUNCTION: test-flags
-# @USAGE: <flags>
-# @DESCRIPTION:
-# Short-hand that should hopefully work for both C and C++ compiler, but
-# its really only present due to the append-flags() abomination.
-test-flags() { test-flags-CC "$@"; }
-
-# @FUNCTION: test_version_info
-# @USAGE: <version>
-# @DESCRIPTION:
-# Returns shell true if the current C compiler version matches <version>, else returns shell false.
-# Accepts shell globs.
-test_version_info() {
-	if [[ $($(tc-getCC) --version 2>&1) == *$1* ]]; then
-		return 0
-	else
-		return 1
-	fi
-}
-
-# @FUNCTION: strip-unsupported-flags
-# @DESCRIPTION:
-# Strip {C,CXX,F,FC}FLAGS of any flags not supported by the active toolchain.
-strip-unsupported-flags() {
-	[[ $# -ne 0 ]] && die "strip-unsupported-flags takes no arguments"
-	export CFLAGS=$(test-flags-CC ${CFLAGS})
-	export CXXFLAGS=$(test-flags-CXX ${CXXFLAGS})
-	export FFLAGS=$(test-flags-F77 ${FFLAGS})
-	export FCFLAGS=$(test-flags-FC ${FCFLAGS})
-	export LDFLAGS=$(test-flags-CCLD ${LDFLAGS})
-}
-
-# @FUNCTION: get-flag
-# @USAGE: <flag>
-# @DESCRIPTION:
-# Find and echo the value for a particular flag.  Accepts shell globs.
-get-flag() {
-	[[ $# -ne 1 ]] && die "usage: <flag>"
-	local f var findflag="$1"
-
-	# this code looks a little flaky but seems to work for
-	# everything we want ...
-	# for example, if CFLAGS="-march=i686":
-	# `get-flag -march` == "-march=i686"
-	# `get-flag march` == "i686"
-	for var in $(all-flag-vars) ; do
-		for f in ${!var} ; do
-			if [ "${f/${findflag}}" != "${f}" ] ; then
-				printf "%s\n" "${f/-${findflag}=}"
-				return 0
-			fi
-		done
-	done
-	return 1
-}
-
-# @FUNCTION: replace-sparc64-flags
-# @DESCRIPTION:
-# Sets mcpu to v8 and uses the original value as mtune if none specified.
-replace-sparc64-flags() {
-	[[ $# -ne 0 ]] && die "replace-sparc64-flags takes no arguments"
-	local SPARC64_CPUS="ultrasparc3 ultrasparc v9"
-
-	if [ "${CFLAGS/mtune}" != "${CFLAGS}" ]; then
-		for x in ${SPARC64_CPUS}; do
-			CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8}"
-		done
-	else
-		for x in ${SPARC64_CPUS}; do
-			CFLAGS="${CFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
-		done
-	fi
-
-	if [ "${CXXFLAGS/mtune}" != "${CXXFLAGS}" ]; then
-		for x in ${SPARC64_CPUS}; do
-			CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8}"
-		done
-	else
-		for x in ${SPARC64_CPUS}; do
-			CXXFLAGS="${CXXFLAGS/-mcpu=${x}/-mcpu=v8 -mtune=${x}}"
-		done
-	fi
-
-	export CFLAGS CXXFLAGS
-}
-
-# @FUNCTION: append-libs
-# @USAGE: <libs>
-# @DESCRIPTION:
-# Add extra <libs> to the current LIBS. All arguments should be prefixed with
-# either -l or -L.  For compatibility, if arguments are not prefixed as
-# options, they are given a -l prefix automatically.
-append-libs() {
-	[[ $# -eq 0 ]] && return 0
-	local flag
-	for flag in "$@"; do
-		if [[ -z "${flag// }" ]]; then
-			eqawarn "Appending an empty argument to LIBS is invalid! Skipping."
-			continue
-		fi
-		case $flag in
-			-[lL]*)
-				export LIBS="${LIBS} ${flag}"
-				;;
-			-*)
-				eqawarn "Appending non-library to LIBS (${flag}); Other linker flags should be passed via LDFLAGS"
-				export LIBS="${LIBS} ${flag}"
-				;;
-			*)
-				export LIBS="${LIBS} -l${flag}"
-		esac
-	done
-
-	return 0
-}
-
-# @FUNCTION: raw-ldflags
-# @USAGE: [flags]
-# @DESCRIPTION:
-# Turn C style ldflags (-Wl,-foo) into straight ldflags - the results
-# are suitable for passing directly to 'ld'; note LDFLAGS is usually passed
-# to gcc where it needs the '-Wl,'.
-#
-# If no flags are specified, then default to ${LDFLAGS}.
-raw-ldflags() {
-	local x input="$@"
-	[[ -z ${input} ]] && input=${LDFLAGS}
-	set --
-	for x in ${input} ; do
-		case ${x} in
-		-Wl,*)
-			x=${x#-Wl,}
-			set -- "$@" ${x//,/ }
-			;;
-		*)	# Assume it's a compiler driver flag, so throw it away #441808
-			;;
-		esac
-	done
-	echo "$@"
-}
-
-# @FUNCTION: no-as-needed
-# @RETURN: Flag to disable asneeded behavior for use with append-ldflags.
-no-as-needed() {
-	[[ $# -ne 0 ]] && die "no-as-needed takes no arguments"
-	case $($(tc-getLD) -v 2>&1 </dev/null) in
-		*GNU*) # GNU ld
-		echo "-Wl,--no-as-needed" ;;
-	esac
-}
-
-fi