Blame sofort/ccenv/ccenv.sh

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# ccenv.sh: sofort's tool-finding bits,
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# invoked from within the project-agnostic configure script.
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# invocation and names of binary tools:
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# agnostic names (ar, nm, objdump, ...);
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# target-prefixed agnostic names (x86_64-nt64-midipix-ar, ...);
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# branded names (llvm-ar, llvm-nm, llvm-objdump, ...);
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# target-prefixed branded names (x86_64-linux-gnu-gcc-ar, ...);
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# target-specifying branded tools (llvm-ar --target=x86_64-linux, ...).
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# cross-compilation: default search order:
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# target-prefixed agnostic tools;
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# target-prefixed branded tools, starting with the prefix
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# most commonly associated with the selected compiler (that is,
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# ``gcc'' when using gcc, and ``llvm'' when using clang);
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# target-speficying branded tools, starting once again with the
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# prefix most commonly associated with the selected compiler.
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# internal variables of interest:
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# ccenv_cfgtype: the type of host being tested (host/native)
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# ccenv_cfgfile: the configuration file for the host being tested
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# ccenv_cflags:  the comprehensive cflags for the host being tested
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# ccenv_cchost:  the host being tested, as reported by -dumpmachine
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ccenv_usage()
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{
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	cat "$mb_project_dir"/sofort/ccenv/ccenv.usage
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	exit 0
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}
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ccenv_newline()
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{
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	printf '\n' >> "$ccenv_cfgfile"
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}
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ccenv_comment()
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{
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	ccenv_internal_str='#'
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	for ccenv_internal_arg ; do
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		ccenv_internal_str="$ccenv_internal_str $ccenv_internal_arg"
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	done
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	printf '%s\n' "$ccenv_internal_str" >> "$ccenv_cfgfile"
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}
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ccenv_find_tool()
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{
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	if [ -z "$ccenv_prefixes" ]; then
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		for ccenv_tool in $(printf %s "$ccenv_candidates"); do
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			if [ -z ${@:-} ]; then
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				if command -v "$ccenv_tool" > /dev/null; then
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					return 0
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				fi
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			else
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				if command -v "$ccenv_tool" > /dev/null; then
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					if "$ccenv_tool" $@ > /dev/null 2>&1; then
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						return 0
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					fi
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				fi
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			fi
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		done
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		ccenv_tool=false
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		return 0
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	fi
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	for ccenv_prefix in $(printf %s "$ccenv_prefixes"); do
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		for ccenv_candidate in $(printf %s "$ccenv_candidates"); do
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			ccenv_tool="$ccenv_prefix$ccenv_candidate"
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			if command -v "$ccenv_tool" > /dev/null; then
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				return 0
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			fi
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		done
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	done
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	for ccenv_tool in $(printf %s "$ccenv_candidates"); do
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		if command -v "$ccenv_tool" > /dev/null; then
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			return 0
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		fi
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	done
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	ccenv_tool=false
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	return 0
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}
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ccenv_set_primary_tools()
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{
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	ccenv_core_tools="ar nm objdump ranlib size strip strings objcopy"
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	ccenv_hack_tools="addr2line cov elfedit readelf readobj otool"
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	ccenv_peep_tools="perk mdso dlltool windmc windres"
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	for __tool in $(printf %s "$ccenv_core_tools $ccenv_hack_tools $ccenv_peep_tools"); do
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		if [ -n "$mb_agnostic" ]; then
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			ccenv_candidates=" $__tool"
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		elif [ -n "$mb_zealous" ]; then
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			ccenv_candidates="$mb_zealous-$__tool"
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		elif [ "$mb_toolchain" = 'gcc' ]; then
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			ccenv_candidates="gcc-$__tool"
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			ccenv_candidates="$ccenv_candidates $__tool"
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			ccenv_candidates="$ccenv_candidates llvm-$__tool"
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		elif [ "$mb_toolchain" = 'llvm' ]; then
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			ccenv_candidates="llvm-$__tool"
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			ccenv_candidates="$ccenv_candidates $__tool"
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			ccenv_candidates="$ccenv_candidates gcc-$__tool"
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		elif [ -n "$mb_toolchain" ]; then
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			ccenv_candidates="$mb_toolchain-$__tool"
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			ccenv_candidates="$ccenv_candidates $__tool"
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			ccenv_candidates="$ccenv_candidates gcc-$__tool"
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			ccenv_candidates="$ccenv_candidates llvm-$__tool"
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		else
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			ccenv_candidates="$__tool"
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			ccenv_candidates="$ccenv_candidates gcc-$__tool"
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			ccenv_candidates="$ccenv_candidates llvm-$__tool"
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		fi
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		if [ "$ccenv_cfgtype" = 'host' ]; then
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			ccenv_var_prefix='mb_'
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		else
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			ccenv_var_prefix='mb_native_'
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		fi
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		ccenv_var_name=$ccenv_var_prefix$__tool
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		ccenv_var_expr='${'$ccenv_var_name':-}'
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		eval ccenv_var_val=$ccenv_var_expr
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		if [ -n "$ccenv_var_val" ]; then
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			eval ccenv_$__tool="$ccenv_var_val"
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		else
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			ccenv_find_tool
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			eval ccenv_$__tool="$ccenv_tool"
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		fi
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	done
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	# windrc
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	ccenv_windrc="$ccenv_windres"
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}
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ccenv_set_tool_variants()
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{
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	# as (asm)
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	ccenv_candidates=as
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	ccenv_find_tool
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	if [ "$ccenv_tool" = false ]; then
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		ccenv_as_asm=
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	else
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		$ccenv_tool --help | grep -i '.bc assembler' \
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		|| ccenv_as_asm="$ccenv_tool"
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	fi
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	# as (ll)
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	ccenv_candidates=llvm-as
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	ccenv_find_tool
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	if [ "$ccenv_tool" != false ]; then
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		ccenv_as_ll="$ccenv_tool"
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	fi
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	# as (mc)
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	ccenv_candidates=llvm-mc
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	ccenv_find_tool
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	if [ "$ccenv_tool" != false ]; then
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		ccenv_as_mc="$ccenv_tool"
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	fi
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	# ld (bfd)
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	ccenv_candidates=ld.bfd
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	ccenv_find_tool
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	if [ "$ccenv_tool" != false ]; then
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		ccenv_ld_bfd="$ccenv_tool"
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	fi
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	# ld (gold)
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	ccenv_candidates=ld.gold
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	ccenv_find_tool
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	if [ "$ccenv_tool" != false ]; then
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		ccenv_ld_gold="$ccenv_tool"
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	fi
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	# ld (lld)
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	ccenv_candidates=lld
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	ccenv_find_tool
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	if [ "$ccenv_tool" != false ]; then
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		ccenv_ld_lld="$ccenv_tool"
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	fi
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	# objdump (bfd)
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	ccenv_candidates=objdump
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	ccenv_find_tool
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	if $ccenv_tool --version | grep -i Binutils > /dev/null; then
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		ccenv_objdump_bfd="$ccenv_tool"
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	fi
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	# objdump (llvm)
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	ccenv_candidates=llvm-objdump
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	ccenv_find_tool
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	if $ccenv_tool --version | grep -i LLVM > /dev/null; then
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		ccenv_objdump_llvm="$ccenv_tool"
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	fi
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	# readelf (bfd)
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	ccenv_candidates=readelf
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	ccenv_find_tool
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	if $ccenv_tool --version | grep -i Binutils > /dev/null; then
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		ccenv_readelf_bfd="$ccenv_tool"
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	fi
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	# readelf (llvm)
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	ccenv_candidates=llvm-readelf
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	ccenv_find_tool
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	if $ccenv_tool --version | grep -i LLVM > /dev/null; then
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		ccenv_readelf_llvm="$ccenv_tool"
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	fi
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	# as
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	if [ -n "$ccenv_cc" ]; then
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		ccenv_as='$('"$ccenv_makevar_prefix"'CC) -c -x assembler'
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	elif [ -n "$mb_agnostic" ]; then
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		ccenv_as='$('"$ccenv_makevar_prefix"'AS_ASM)'
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	elif [ "$mb_zealous" = 'gcc' ]; then
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		ccenv_as='$('"$ccenv_makevar_prefix"'AS_ASM)'
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	elif [ -n "$mb_zealous" = 'llvm' ]; then
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		ccenv_as='$('"$ccenv_makevar_prefix"'AS_MC)'
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	elif [ "$mb_toolchain" = 'gcc' ]; then
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		ccenv_as='$('"$ccenv_makevar_prefix"'AS_ASM)'
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	elif [ "$mb_toolchain" = 'llvm' ]; then
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		ccenv_as='$('"$ccenv_makevar_prefix"'AS_MC)'
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	fi
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	# ld
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	if [ -n "$ccenv_cc" ]; then
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		ccenv_ld='$('"$ccenv_makevar_prefix"'CC) -nostdlib -nostartfiles'
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	fi
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}
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ccenv_set_c_compiler_candidates()
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{
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	if   [ -n "$mb_compiler" ]; then
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		ccenv_candidates="$mb_compiler"
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	elif [ -n "$mb_agnostic" ]; then
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		ccenv_candidates="c99 c11 cc"
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	elif [ "$mb_zealous" = 'gcc' ]; then
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		ccenv_candidates="gcc"
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	elif [ "$mb_zealous" = 'llvm' ]; then
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		ccenv_candidates="clang"
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	elif [ "$mb_toolchain" = 'gcc' ]; then
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		ccenv_candidates="gcc c99 c11 cc clang"
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	elif [ "$mb_toolchain" = 'llvm' ]; then
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		ccenv_candidates="clang c99 c11 cc gcc"
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	elif [ -n "$mb_toolchain" ]; then
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		ccenv_candidates="$mb_toolchain c99 c11 cc gcc clang"
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	else
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		ccenv_candidates="c99 c11 cc gcc clang"
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	fi
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}
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ccenv_set_cc()
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{
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	if [ -z "$ccenv_cc" ]; then
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		ccenv_set_c_compiler_candidates
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		ccenv_find_tool -dumpmachine
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		ccenv_cc="$ccenv_tool"
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	fi
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	if [ "$ccenv_cc" = false ] && [ -n "$mb_compiler" ]; then
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		ccenv_cc="$mb_compiler"
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	fi
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	ccenv_cc_cmd="$ccenv_cc"
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	if [ "$ccenv_cfgtype" = 'native' ]; then
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		ccenv_host=$($ccenv_cc $ccenv_cflags -dumpmachine 2>/dev/null)
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		ccenv_cchost=$ccenv_host
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		return 0
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	fi
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	if [ -n "$mb_cchost" ]; then
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		ccenv_host="$mb_cchost"
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	elif [ -n "$mb_host" ]; then
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		ccenv_host="$mb_host"
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	else
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		ccenv_host=
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	fi
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	if [ -z "$ccenv_host" ]; then
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		ccenv_host=$($ccenv_cc $ccenv_cflags -dumpmachine 2>/dev/null)
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		ccenv_cchost=$ccenv_host
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	else
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		ccenv_tmp=$(mktemp ./tmp_XXXXXXXXXXXXXXXX)
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		ccenv_cmd="$ccenv_cc --target=$ccenv_host -E -xc -"
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		if [ -z "$mb_user_cc" ]; then
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			$ccenv_cmd < /dev/null > /dev/null \
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				2>"$ccenv_tmp" || true
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			ccenv_errors=$(cat "$ccenv_tmp")
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			if [ -z "$ccenv_errors" ]; then
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				ccenv_tflags="--target=$ccenv_host"
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				ccenv_cc="$ccenv_cc $ccenv_tflags"
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			fi
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		fi
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		rm -f "$ccenv_tmp"
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		unset ccenv_tmp
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		ccenv_cchost=$($ccenv_cc $ccenv_cflags -dumpmachine 2>/dev/null)
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	fi
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	if [ "$ccenv_cchost" != "$ccenv_host" ]; then
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		printf 'ccenv:\n' >&2
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		printf 'ccenv: ccenv_host:   %s \n' $ccenv_host >&2
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		printf 'ccenv: ccenv_cchost: %s \n' $ccenv_cchost >&2
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		if [ -z "$ccenv_tflags" ]; then
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			printf 'ccenv:\n' >&2
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			printf 'ccenv: ccenv_host and ccenv_cchost do not match, most likely because:\n' >&2
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			printf 'ccenv: (1) you explicitly set CC (or passed --compiler=...)\n' >&2
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			printf 'ccenv: (2) the selected compiler does not accept --target=...\n' >&2
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			printf 'ccenv: (3) the host reported by -dumpmachine differs from the one you requested.\n' >&2
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		fi
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		if [ -n "$ccenv_errors" ]; then
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			printf 'ccenv:\n' >&2
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			printf 'ccenv: something went wrong, see the command and compiler message below.\n\n' >&2
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			printf 'cmd: %s < /dev/null > /dev/null\n' "$ccenv_cmd" >&2
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			printf '%s\n\n' "$ccenv_errors" >&2
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		else
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			printf 'ccenv:\n' >&2
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			printf 'ccenv: something went wrong, bailing out.\n\n' >&2
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		fi
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		return 2
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	fi
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}
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ccenv_set_cpp()
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{
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	case "$ccenv_cc_cmd" in
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		cc | c99 | c11 | gcc)
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			ccenv_cpp_prefix=
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			ccenv_candidates="cpp" ;;
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		clang )
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			ccenv_cpp_prefix=
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			ccenv_candidates="clang-cpp" ;;
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		*-cc )
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			ccenv_cpp_prefix=${ccenv_cc_cmd%-cc*}-
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			ccenv_candidates="${ccenv_cpp_prefix}cpp" ;;
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		*-c99 )
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			ccenv_cpp_prefix=${ccenv_cc_cmd%-c99*}-
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			ccenv_candidates="${ccenv_cpp_prefix}cpp" ;;
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		*-c11 )
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			ccenv_cpp_prefix=${ccenv_cc_cmd%-c11*}-
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			ccenv_candidates="${ccenv_cpp_prefix}cpp" ;;
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		*-gcc )
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			ccenv_cpp_prefix=${ccenv_cc_cmd%-gcc*}-
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			ccenv_candidates="${ccenv_cpp_prefix}cpp" ;;
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		*-clang )
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			ccenv_cpp_prefix=${ccenv_cc_cmd%-clang*}-
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			ccenv_candidates="${ccenv_cpp_prefix}clang-cpp" ;;
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		* )
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			ccenv_cpp="$ccenv_cc -E"
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			return 0
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	esac
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	ccenv_find_tool
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	if [ "$ccenv_tool" = false ]; then
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		ccenv_cpp="$ccenv_cc -E"
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	elif [ -n "$ccenv_tflags" ]; then
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		ccenv_cpp="$ccenv_tool $ccenv_tflags"
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	else
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		ccenv_cpp="$ccenv_tool"
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	fi
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}
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ccenv_set_cxx()
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{
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	case "$ccenv_cc_cmd" in
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		cc | c99 | c11 )
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			ccenv_cxx_prefix=
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			ccenv_candidates="cxx c++" ;;
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		gcc )
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			ccenv_cxx_prefix=
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			ccenv_candidates="g++" ;;
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		clang )
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			ccenv_cxx_prefix=
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			ccenv_candidates="clang++" ;;
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		*-gcc )
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			ccenv_cpp_prefix=${ccenv_cc_cmd%-gcc*}-
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			ccenv_candidates="${ccenv_cpp_prefix}g++" ;;
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		*-clang )
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			ccenv_cpp_prefix=${ccenv_cc_cmd%-clang*}-
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			ccenv_candidates="${ccenv_cpp_prefix}clang++" ;;
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		*cc )
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			ccenv_cxx_prefix=${ccenv_cc_cmd%cc*}
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			ccenv_candidates="${ccenv_cpp_prefix}++" ;;
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		* )
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			ccenv_cxx="$ccenv_cc -xc++"
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			return 0
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	esac
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	ccenv_find_tool
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	if [ "$ccenv_tool" = false ]; then
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		ccenv_cxx="$ccenv_cc -xc++"
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	elif [ -n "$ccenv_tflags" ]; then
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		ccenv_cxx="$ccenv_tool $ccenv_tflags"
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	else
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		ccenv_cxx="$ccenv_tool"
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	fi
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}
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ccenv_set_cc_host()
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{
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	ccenv_cc_host="$ccenv_cchost"
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}
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ccenv_set_cc_bits()
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{
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	ccenv_internal_size=
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	ccenv_internal_type='void *'
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	ccenv_internal_test='char x[(sizeof(%s) == %s/8) ? 1 : -1];'
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	for ccenv_internal_guess in 64 32 128; do
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		if [ -z $ccenv_internal_size ]; then
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			ccenv_internal_str=$(printf "$ccenv_internal_test"  \
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				"$ccenv_internal_type"                      \
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				"$ccenv_internal_guess")
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			printf '%s' "$ccenv_internal_str"           \
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					| $ccenv_cc -S -xc - -o -   \
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					  $ccenv_cflags             \
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				> /dev/null 2>/dev/null             \
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			&& ccenv_internal_size=$ccenv_internal_guess
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		fi
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	done
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	ccenv_cc_bits=$ccenv_internal_size
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}
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ccenv_set_cc_underscore()
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{
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	ccenv_fn_name='ZmYaXyWbVe_UuTnSdReQrPsOcNoNrLe'
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	ccenv_fn_code='int %s(void){return 0;}'
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	if printf "$ccenv_fn_code" $ccenv_fn_name  \
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			| $ccenv_cc -xc - -S -o -  \
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			| grep "^_$ccenv_fn_name:" \
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				> /dev/null; then
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		ccenv_cc_underscore='_'
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	fi
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	return 0
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}
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ccenv_create_framework_executable()
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{
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	if [ -f $ccenv_image ]; then
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		mv $ccenv_image $ccenv_image.tmp
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		rm -f $ccenv_image.tmp
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	fi
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	printf 'int main(void){return 0;}'  \
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		| $ccenv_cc -xc -           \
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			-o $ccenv_image     \
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	|| return 1
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	return 0
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}
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ccenv_create_freestanding_executable()
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{
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	if [ -f $ccenv_image ]; then
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		mv $ccenv_image $ccenv_image.tmp
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		rm -f $ccenv_image.tmp
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	fi
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	if [ -z "ccenv_cc_underscore" ]; then
352ae6
		ccenv_start_fn='_start'
352ae6
	else
352ae6
		ccenv_start_fn='start'
352ae6
	fi
352ae6
352ae6
	printf 'int %s(void){return 0;}' "$ccenv_start_fn"  \
352ae6
		| $ccenv_cc -xc -                           \
352ae6
			-ffreestanding                      \
352ae6
			-nostdlib -nostartfiles             \
352ae6
			-o $ccenv_image                     \
352ae6
	|| return 1
352ae6
352ae6
	ccenv_freestd=yes
352ae6
352ae6
	return 0
352ae6
}
352ae6
352ae6
ccenv_set_cc_binfmt()
352ae6
{
352ae6
	ccenv_use_perk=
32bac2
	ccenv_use_otool=
352ae6
	ccenv_use_readelf=
352ae6
	ccenv_use_readobj=
352ae6
	ccenv_use_bfd_objdump=
352ae6
	ccenv_use_llvm_objdump=
352ae6
352ae6
	ccenv_create_framework_executable               \
352ae6
		|| ccenv_create_freestanding_executable \
352ae6
		|| return 0
352ae6
352ae6
	# PE / perk
352ae6
	if [ -n "$ccenv_perk" ]; then
bd3c2a
		if $ccenv_perk $ccenv_image 2>/dev/null; then
bd3c2a
			ccenv_cc_binfmt='PE'
bd3c2a
			ccenv_use_perk=yes
bd3c2a
		fi
352ae6
	fi
352ae6
352ae6
	# ELF / readelf
352ae6
	if [ -n "$ccenv_readelf" ] && [ -z "$ccenv_cc_binfmt" ]; then
bd3c2a
		if $ccenv_readelf -h $ccenv_image 2>/dev/null        \
bd3c2a
				| grep 'Magic:' | sed -e 's/[ ]*//g' \
bd3c2a
				| grep 'Magic:7f454c46'              \
bd3c2a
					> /dev/null; then
bd3c2a
			ccenv_cc_binfmt='ELF'
bd3c2a
			ccenv_use_readelf=yes
bd3c2a
		fi
352ae6
	fi
352ae6
352ae6
	# a marble of astonishing design:
352ae6
	# llvm-readelf also parses PE and Mach-O
352ae6
352ae6
	if [ -n "$ccenv_readelf_llvm" ]; then
352ae6
		ccenv_readany="$ccenv_readelf_llvm"
352ae6
	else
352ae6
		ccenv_readany="$ccenv_readelf"
352ae6
	fi
352ae6
352ae6
	# PE / readelf
352ae6
	if [ -n "$ccenv_readany" ] && [ -z "$ccenv_cc_binfmt" ]; then
bd3c2a
		if $ccenv_readany -h $ccenv_image 2>/dev/null        \
bd3c2a
				| grep 'Magic:' | sed -e 's/[ ]*//g' \
bd3c2a
				| grep 'Magic:MZ'                    \
bd3c2a
					> /dev/null; then
bd3c2a
			ccenv_cc_binfmt='PE'
bd3c2a
			ccenv_use_readelf=yes
bd3c2a
		fi
352ae6
	fi
352ae6
32bac2
	# MACHO-64 / otool
32bac2
	if [ -n "$ccenv_otool" ] && [ -z "$ccenv_cc_binfmt" ]; then
bd3c2a
		if $ccenv_otool -hv $ccenv_image 2>/dev/null \
bd3c2a
				| grep -i 'MH_MAGIC_64'      \
bd3c2a
					> /dev/null; then
bd3c2a
			ccenv_cc_binfmt='MACHO'
bd3c2a
			ccenv_use_otool=yes
bd3c2a
		fi
32bac2
	fi
32bac2
32bac2
	# MACHO-32 / otool
32bac2
	if [ -n "$ccenv_otool" ] && [ -z "$ccenv_cc_binfmt" ]; then
bd3c2a
		if $ccenv_otool -hv $ccenv_image 2>/dev/null \
bd3c2a
				| grep -i 'MH_MAGIC'         \
bd3c2a
					> /dev/null; then
bd3c2a
			ccenv_cc_binfmt='MACHO'
bd3c2a
			ccenv_use_otool=yes
bd3c2a
		fi
32bac2
	fi
32bac2
352ae6
	# MACHO-64 / readelf
352ae6
	if [ -n "$ccenv_readany" ] && [ -z "$ccenv_cc_binfmt" ]; then
bd3c2a
		if $ccenv_readany -h $ccenv_image 2>/dev/null             \
bd3c2a
				| grep -i 'Magic:' | sed -e 's/[ ]*//g'   \
bd3c2a
				| grep -i '(0xfeedfacf)'                  \
bd3c2a
					> /dev/null; then
bd3c2a
			ccenv_cc_binfmt='MACHO'
bd3c2a
			ccenv_use_readelf=yes
bd3c2a
		fi
352ae6
	fi
352ae6
352ae6
	# MACHO-32 / readelf
352ae6
	if [ -n "$ccenv_readany" ] && [ -z "$ccenv_cc_binfmt" ]; then
bd3c2a
		if $ccenv_readany -h $ccenv_image 2>/dev/null             \
bd3c2a
				| grep -i 'Magic:' | sed -e 's/[ ]*//g'   \
bd3c2a
				| grep -i '(0xcafebabe)'                  \
bd3c2a
					> /dev/null; then
bd3c2a
			ccenv_cc_binfmt='MACHO'
bd3c2a
			ccenv_use_readelf=yes
bd3c2a
		fi
352ae6
	fi
352ae6
352ae6
	# MACHO / readobj
352ae6
	if [ -n "$ccenv_readobj" ] && [ -z "$ccenv_cc_binfmt" ]; then
bd3c2a
		if $ccenv_readobj $ccenv_image 2>/dev/null           \
bd3c2a
				| grep -i 'Format:' | sed 's/ /_/g'  \
bd3c2a
				| grep -i '_Mach-O_'                 \
bd3c2a
					> /dev/null; then
bd3c2a
			ccenv_cc_binfmt='MACHO'
bd3c2a
			ccenv_use_readobj=yes
bd3c2a
		fi
352ae6
	fi
352ae6
352ae6
	# MACHO / objdump (llvm)
352ae6
	if [ -n "$ccenv_objdump" ] && [ -z "$ccenv_cc_binfmt" ]; then
bd3c2a
		if $ccenv_objdump -section-headers $ccenv_image  \
bd3c2a
					2>/dev/null              \
bd3c2a
				| grep -i 'file format Mach-O'   \
bd3c2a
					> /dev/null; then
bd3c2a
			ccenv_cc_binfmt='MACHO'
bd3c2a
			ccenv_use_objdump=yes
bd3c2a
		fi
352ae6
	fi
352ae6
352ae6
	# MACHO / objdump (bfd)
352ae6
	if [ -n "$ccenv_objdump" ] && [ -z "$ccenv_cc_binfmt" ]; then
352ae6
		$ccenv_objdump -h  $ccenv_image 2>/dev/null       \
352ae6
			| grep -i 'file format Mach-O'            \
352ae6
				> /dev/null                       \
352ae6
		&& ccenv_cc_binfmt='MACHO'                        \
352ae6
		&& ccenv_use_objdump=yes
352ae6
	fi
352ae6
352ae6
	# PE / objdump (bfd)
352ae6
	if [ -n "$ccenv_objdump" ] && [ -z "$ccenv_cc_binfmt" ]; then
bd3c2a
		if $ccenv_objdump -h  $ccenv_image 2>/dev/null \
bd3c2a
				| grep -i 'file format pei-'   \
bd3c2a
					> /dev/null; then
bd3c2a
			ccenv_cc_binfmt='PE'
bd3c2a
			ccenv_use_bfd_objdump=yes
bd3c2a
		fi
352ae6
	fi
352ae6
}
352ae6
352ae6
ccenv_set_os_pe()
352ae6
{
352ae6
	if [ -n "$ccenv_freestd" ]; then
352ae6
		case "$ccenv_cchost" in
352ae6
			*-midipix | *-midipix-* )
352ae6
				ccenv_os='midipix' ;;
352ae6
			*-mingw | *-mingw32 | *-mingw64 )
352ae6
				ccenv_os='mingw' ;;
352ae6
			*-mingw-* | *-mingw32-* | *-mingw64 )
352ae6
				ccenv_os='mingw' ;;
352ae6
			*-msys | *-msys2 | *-msys-* | *-msys2-* )
352ae6
				ccenv_os='msys' ;;
352ae6
			*-cygwin | *-cygwin-* )
352ae6
				ccenv_os='cygwin' ;;
352ae6
		esac
352ae6
	fi
352ae6
352ae6
	if [ -n "$ccenv_os" ]; then
352ae6
		return 0
352ae6
	fi
352ae6
352ae6
	if [ -n "$ccenv_use_perk" ]; then
352ae6
		ccenv_framework=$($ccenv_perk -y $ccenv_image)
352ae6
		ccenv_os=${ccenv_framework#*-*-*-*}
352ae6
	fi
352ae6
352ae6
	if [ -z "$ccenv_os" ] && [ -n "$ccenv_objdump_bfd" ]; then
352ae6
		$ccenv_objdump_bfd -x $ccenv_image | grep -i 'DLL Name' \
352ae6
			| grep 'cygwin1.dll' > /dev/null                \
352ae6
		&& ccenv_os='cygwin'
352ae6
	fi
352ae6
352ae6
	if [ -z "$ccenv_os" ] && [ -n "$ccenv_objdump_bfd" ]; then
352ae6
		$ccenv_objdump_bfd -x $ccenv_image | grep -i 'DLL Name' \
352ae6
			| grep 'msys-2.0.dll' > /dev/null               \
352ae6
		&& ccenv_os='msys'
352ae6
	fi
352ae6
352ae6
	if [ -z "$ccenv_os" ] && [ -n "$ccenv_objdump_bfd" ]; then
352ae6
		$ccenv_objdump_bfd -x $ccenv_image          \
352ae6
			| grep -i 'DLL Name' | grep '.CRT'  \
352ae6
				> /dev/null                 \
352ae6
		&& $ccenv_objdump_bfd -x $ccenv_image       \
352ae6
			| grep -i 'DLL Name' | grep '.bss'  \
352ae6
				> /dev/null                 \
352ae6
		&& $ccenv_objdump_bfd -x $ccenv_image       \
352ae6
			| grep -i 'DLL Name' | grep '.tls'  \
352ae6
				> /dev/null                 \
352ae6
		&& ccenv_os='mingw'
352ae6
	fi
352ae6
}
352ae6
352ae6
ccenv_set_os_macho()
352ae6
{
352ae6
	case "$ccenv_cchost" in
352ae6
		*-apple-darwin* )
352ae6
			ccenv_os='darwin' ;;
352ae6
	esac
352ae6
}
352ae6
352ae6
ccenv_set_os()
352ae6
{
352ae6
	case "$ccenv_cc_binfmt" in
352ae6
		PE )
352ae6
			ccenv_set_os_pe ;;
352ae6
		MACHO )
352ae6
			ccenv_set_os_macho ;;
352ae6
	esac
352ae6
352ae6
	if [ -n "$ccenv_os" ]; then
352ae6
		return 0
352ae6
	fi
352ae6
352ae6
	case "$ccenv_cchost" in
352ae6
		*-*-*-* )
d87e40
			ccenv_tip=${ccenv_cchost%-*}
352ae6
			ccenv_os=${ccenv_tip#*-*-}
352ae6
			;;
d87e40
		*-*-musl | *-*-gnu )
d87e40
			ccenv_tip=${ccenv_cchost%-*}
352ae6
			ccenv_os=${ccenv_tip#*-}
352ae6
			;;
d87e40
		*-*-* )
d87e40
			ccenv_os=${ccenv_cchost#*-*-}
d87e40
			;;
d87e40
		*-* )
d87e40
			ccenv_os=${ccenv_cchost#*-}
d87e40
			;;
352ae6
	esac
352ae6
352ae6
	if [ -z "$ccenv_os" ]; then
352ae6
		ccenv_os='anyos'
352ae6
	fi
352ae6
}
352ae6
352ae6
ccenv_set_os_flags()
352ae6
{
352ae6
	case "$ccenv_os" in
352ae6
		darwin )
352ae6
			ccenv_cflags_os='-D_DARWIN_C_SOURCE'
352ae6
			ccenv_cflags_pic='-fPIC'
352ae6
			;;
352ae6
		midipix )
352ae6
			ccenv_cflags_os=
352ae6
			ccenv_cflags_pic='-fPIC'
352ae6
			;;
352ae6
		cygwin )
352ae6
			ccenv_cflags_os=
352ae6
			ccenv_cflags_pic=
352ae6
			;;
352ae6
		msys | msys* | mingw | mingw* )
352ae6
			ccenv_cflags_os='-U__STRICT_ANSI__'
352ae6
			ccenv_cflags_pic=
352ae6
			;;
352ae6
		* )
352ae6
			ccenv_cflags_os=
352ae6
			ccenv_cflags_pic='-fPIC'
352ae6
			;;
352ae6
	esac
352ae6
}
352ae6
352ae6
ccenv_set_os_semantics()
352ae6
{
352ae6
	# binary_format - core_api - ex_api - dependency_resolution
352ae6
352ae6
	case "$ccenv_os" in
352ae6
		linux )
352ae6
			ccenv_os_semantics='elf-posix-linux-ldso'
352ae6
			;;
352ae6
		bsd )
352ae6
			ccenv_os_semantics='elf-posix-bsd-ldso'
352ae6
			;;
352ae6
		darwin )
352ae6
			ccenv_os_semantics='macho-posix-osx-ldso'
352ae6
			;;
352ae6
		midipix )
352ae6
			ccenv_os_semantics='pe-posix-winnt-ldso'
352ae6
			;;
352ae6
		cygwin )
352ae6
			ccenv_os_semantics='pe-hybrid-winnt-unsafe'
352ae6
			;;
352ae6
		msys )
352ae6
			ccenv_os_semantics='pe-hybrid-winnt-unsafe'
352ae6
			;;
352ae6
		mingw )
352ae6
			ccenv_os_semantics='pe-win32-winnt-unsafe'
352ae6
			;;
352ae6
	esac
352ae6
352ae6
	if [ -n "$ccenv_os_semantics" ]; then
352ae6
		return 0
352ae6
	fi
352ae6
352ae6
	if [ -n "$ccenv_cc_binfmt" ]; then
352ae6
		ccenv_os_semantics_pattern='%s-posix-anyos-unknown'
352ae6
		ccenv_os_semantics=$(printf                   \
352ae6
				"$ccenv_os_semantics_pattern"  \
352ae6
				"$ccenv_cc_binfmt"              \
352ae6
			| tr '[:upper:]' '[:lower:]')
352ae6
	else
352ae6
		ccenv_os_semantics='unknown-posix-anyos-unknown'
352ae6
	fi
352ae6
}
352ae6
352ae6
ccenv_set_os_dso_exrules()
352ae6
{
352ae6
	case "$ccenv_os" in
352ae6
		midipix )
352ae6
			ccenv_os_dso_exrules='pe-mdso'
352ae6
			;;
352ae6
		* )
352ae6
			if [ "$ccenv_cc_binfmt" = 'PE' ]; then
352ae6
				ccenv_os_dso_exrules='pe-dlltool'
352ae6
			else
352ae6
				ccenv_os_dso_exrules='default'
352ae6
			fi
352ae6
	esac
352ae6
}
352ae6
352ae6
ccenv_set_os_dso_linkage()
352ae6
{
352ae6
	# todo: PIC, PIE, and friends
352ae6
	ccenv_os_dso_linkage='default'
352ae6
}
352ae6
352ae6
ccenv_set_os_dso_patterns_darwin()
352ae6
{
352ae6
	ccenv_os_app_prefix=
352ae6
	ccenv_os_app_suffix=
352ae6
352ae6
	ccenv_os_lib_prefix=lib
352ae6
	ccenv_os_lib_suffix=.dylib
352ae6
352ae6
	ccenv_os_implib_ext=.invalid
352ae6
	ccenv_os_libdef_ext=.invalid
352ae6
352ae6
	ccenv_os_archive_ext=.a
352ae6
	ccenv_os_soname=symlink
352ae6
352ae6
	ccenv_os_lib_prefixed_suffix=
352ae6
	ccenv_os_lib_suffixed_suffix='$(OS_LIB_SUFFIX)'
352ae6
}
352ae6
352ae6
ccenv_set_os_dso_patterns_mdso()
352ae6
{
352ae6
	ccenv_os_app_prefix=
352ae6
	ccenv_os_app_suffix=
352ae6
352ae6
	ccenv_os_lib_prefix=lib
352ae6
	ccenv_os_lib_suffix=.so
352ae6
352ae6
	ccenv_os_implib_ext=.lib.a
352ae6
	ccenv_os_libdef_ext=.so.def
352ae6
352ae6
	ccenv_os_archive_ext=.a
352ae6
	ccenv_os_soname=symlink
352ae6
352ae6
	ccenv_os_lib_prefixed_suffix='$(OS_LIB_SUFFIX)'
352ae6
	ccenv_os_lib_suffixed_suffix=
352ae6
}
352ae6
352ae6
ccenv_set_os_dso_patterns_dlltool()
352ae6
{
352ae6
	ccenv_os_app_prefix=
352ae6
	ccenv_os_app_suffix=.exe
352ae6
352ae6
	ccenv_os_lib_prefix=lib
352ae6
	ccenv_os_lib_suffix=.dll
352ae6
352ae6
	ccenv_os_implib_ext=.dll.a
352ae6
	ccenv_os_libdef_ext=.def
352ae6
352ae6
	ccenv_os_archive_ext=.a
352ae6
	ccenv_os_soname=copy
352ae6
352ae6
	ccenv_os_lib_prefixed_suffix='$(OS_LIB_SUFFIX)'
352ae6
	ccenv_os_lib_suffixed_suffix=
352ae6
}
352ae6
352ae6
ccenv_set_os_dso_patterns_default()
352ae6
{
352ae6
	ccenv_os_app_prefix=
352ae6
	ccenv_os_app_suffix=
352ae6
352ae6
	ccenv_os_lib_prefix=lib
352ae6
	ccenv_os_lib_suffix=.so
352ae6
352ae6
	ccenv_os_implib_ext=.invalid
352ae6
	ccenv_os_libdef_ext=.invalid
352ae6
352ae6
	ccenv_os_archive_ext=.a
352ae6
	ccenv_os_soname=symlink
352ae6
352ae6
	ccenv_os_lib_prefixed_suffix='$(OS_LIB_SUFFIX)'
352ae6
	ccenv_os_lib_suffixed_suffix=
352ae6
}
352ae6
352ae6
ccenv_set_os_dso_patterns()
352ae6
{
352ae6
	# sover: .so.x.y.z
352ae6
	# verso: .x.y.z.so
352ae6
352ae6
	case "$ccenv_os" in
352ae6
		darwin )
352ae6
			ccenv_set_os_dso_patterns_darwin
352ae6
			;;
352ae6
		midipix )
352ae6
			ccenv_set_os_dso_patterns_mdso
352ae6
			;;
352ae6
		cygwin | msys | mingw )
352ae6
			ccenv_set_os_dso_patterns_dlltool
352ae6
			;;
352ae6
		* )
352ae6
			ccenv_set_os_dso_patterns_default
352ae6
			;;
352ae6
	esac
352ae6
}
352ae6
a57e92
ccenv_set_os_pe_switches()
a57e92
{
e891ef
	if [ "$ccenv_cc_binfmt" = 'PE' ] && [ -z "$ccenv_pe_subsystem" ]; then
a57e92
		case "$ccenv_os" in
a57e92
			midipix | mingw )
a57e92
				ccenv_pe_subsystem='windows'
a57e92
				;;
a57e92
			* )
a57e92
				ccenv_pe_subsystem='console'
a57e92
				;;
a57e92
		esac
a57e92
	fi
a57e92
}
a57e92
352ae6
ccenv_output_defs()
352ae6
{
352ae6
	ccenv_in="$mb_project_dir/sofort/ccenv/ccenv.in"
352ae6
	ccenv_mk="$mb_pwd/ccenv/$ccenv_cfgtype.mk"
540702
	ccenv_tmp=
352ae6
a57e92
	if [ "$ccenv_cc_binfmt" = 'PE' ]; then
a57e92
		ccenv_pe="$mb_project_dir/sofort/ccenv/pedefs.in"
a57e92
		ccenv_in="$ccenv_in $ccenv_pe"
a57e92
	fi
a57e92
352ae6
	if [ $ccenv_cfgtype = 'native' ]; then
352ae6
17820d
		ccenv_tmp=$(mktemp ./tmp_XXXXXXXXXXXXXXXX)
352ae6
352ae6
		sed                             \
352ae6
				-e 's/^\s*$/@/g' \
352ae6
				-e 's/^/NATIVE_/' \
352ae6
				-e 's/NATIVE_@//g' \
352ae6
				-e 's/NATIVE_#/#/g' \
352ae6
				-e 's/       =/=/g'  \
352ae6
				-e 's/       +=/+=/g' \
a57e92
			$ccenv_in > "$ccenv_tmp"
352ae6
352ae6
		ccenv_in="$ccenv_tmp"
17820d
	else
540702
		unset ccenv_tmp
352ae6
	fi
352ae6
352ae6
	ccenv_vars=$(cut -d'=' -f1 "$mb_project_dir/sofort/ccenv/ccenv.vars" \
352ae6
			| grep -v '^#')
352ae6
352ae6
	ccenv_exvars="ccenv_cfgtype ccenv_makevar_prefix"
352ae6
352ae6
	ccenv_sed_substs=" \
f21167
		$(for __var in $(printf %s "$ccenv_vars $ccenv_exvars"); do \
352ae6
			printf '%s"$%s"%s' "-e 's/@$__var@/'" \
352ae6
				"$__var" "'/g' ";              \
352ae6
		done)"
352ae6
a57e92
	eval sed $ccenv_sed_substs $ccenv_in   \
c61827
			| sed -e 's/[[:blank:]]*$//g' \
352ae6
		> "$ccenv_mk"
352ae6
0a337d
	if [ "$ccenv_cfgtype" = 'host' ]; then
f21167
		for __var in $(printf %s "$ccenv_vars"); do
0a337d
			ccenv_src_var=$__var
0a337d
			ccenv_dst_var=mb_${__var#*ccenv_}
0a337d
			ccenv_var_expr='${'$ccenv_src_var':-}'
0a337d
			eval $ccenv_dst_var=$ccenv_var_expr
0a337d
0a337d
		done
0a337d
0a337d
		mb_host=$ccenv_host
0a337d
		mb_cchost=$ccenv_cchost
0a337d
	else
f21167
		for __var in $(printf %s "$ccenv_vars"); do
0a337d
			ccenv_src_var=$__var
0a337d
			ccenv_dst_var=mb_native_${__var#*ccenv_}
0a337d
			ccenv_var_expr='${'$ccenv_src_var':-}'
0a337d
			eval "$ccenv_dst_var=$ccenv_var_expr"
0a337d
		done
0a337d
0a337d
		mb_native_host=$ccenv_host
0a337d
		mb_native_cchost=$ccenv_cchost
0a337d
	fi
17820d
17820d
	if [ -n "${ccenv_tmp:-}" ]; then
17820d
		rm -f "$ccenv_tmp"
17820d
		unset ccenv_tmp
17820d
	fi
352ae6
}
352ae6
375736
ccenv_dso_verify()
375736
{
375736
	ccenv_str='int foo(int x){return ++x;}'
375736
	ccenv_cmd="$ccenv_cc -xc - -shared -o a.out"
375736
375736
	rm -f a.out
375736
375736
	printf '%s' "$ccenv_str" | $ccenv_cmd \
375736
		> /dev/null 2>/dev/null       \
375736
	|| mb_disable_shared=yes
375736
375736
	rm -f a.out
375736
}
375736
352ae6
ccenv_clean_up()
352ae6
{
352ae6
	rm -f $ccenv_image
352ae6
}
352ae6
352ae6
ccenv_common_init()
352ae6
{
352ae6
	. "$mb_project_dir/sofort/ccenv/ccenv.vars"
352ae6
352ae6
	ccenv_cfgtype=$1
352ae6
	ccenv_cfgfile="$mb_pwd/ccenv/$ccenv_cfgtype.mk"
352ae6
	ccenv_freestd=
3404a2
	ccenv_cchost=
352ae6
352ae6
	if [ $ccenv_cfgtype = 'native' ]; then
352ae6
		ccenv_makevar_prefix='NATIVE_'
352ae6
		ccenv_image='./ccenv/native.a.out'
352ae6
	else
352ae6
		ccenv_makevar_prefix=
352ae6
		ccenv_image='./ccenv/host.a.out'
352ae6
	fi
352ae6
352ae6
	if [ $ccenv_cfgtype = 'native' ]; then
352ae6
		ccenv_prefixes=
352ae6
	elif [ -n "$mb_cross_compile" ]; then
352ae6
		ccenv_prefixes="$mb_cross_compile"
352ae6
	elif [ -n "$mb_host" ]; then
352ae6
		ccenv_prefixes="$mb_host-"
352ae6
	else
352ae6
		ccenv_prefixes=
352ae6
	fi
352ae6
352ae6
	if [ $ccenv_cfgtype = 'host' ]; then
352ae6
		ccenv_tflags=
352ae6
		ccenv_cflags=$(make -s -f "$mb_pwd/Makefile.tmp" .display-cflags)
352ae6
		ccenv_cc="$mb_user_cc"
352ae6
		ccenv_cpp="$mb_user_cpp"
352ae6
		ccenv_cxx="$mb_user_cxx"
a57e92
a57e92
		ccenv_pe_subsystem="$mb_pe_subsystem"
a57e92
		ccenv_pe_image_base="$mb_pe_image_base"
352ae6
	else
352ae6
		ccenv_tflags=
352ae6
		ccenv_cflags="$mb_native_cflags"
352ae6
		ccenv_cc="$mb_native_cc"
352ae6
		ccenv_cpp="$mb_native_cpp"
352ae6
		ccenv_cxx="$mb_native_cxx"
a57e92
a57e92
		ccenv_pe_subsystem="$mb_native_pe_subsystem"
a57e92
		ccenv_pe_image_base="$mb_native_pe_image_base"
352ae6
	fi
352ae6
}
352ae6
352ae6
ccenv_set_characteristics()
352ae6
{
352ae6
	ccenv_set_cc_host
352ae6
	ccenv_set_cc_bits
352ae6
	ccenv_set_cc_underscore
352ae6
	ccenv_set_cc_binfmt
352ae6
}
352ae6
352ae6
ccenv_set_toolchain_variables()
352ae6
{
352ae6
	ccenv_common_init $1
352ae6
	ccenv_set_cc
352ae6
	ccenv_set_cpp
352ae6
	ccenv_set_cxx
352ae6
	ccenv_set_primary_tools
352ae6
	ccenv_set_tool_variants
352ae6
	ccenv_set_characteristics
352ae6
352ae6
	ccenv_set_os
352ae6
	ccenv_set_os_flags
352ae6
	ccenv_set_os_semantics
352ae6
	ccenv_set_os_dso_exrules
352ae6
	ccenv_set_os_dso_linkage
352ae6
	ccenv_set_os_dso_patterns
a57e92
	ccenv_set_os_pe_switches
352ae6
352ae6
	ccenv_output_defs
352ae6
	ccenv_clean_up
352ae6
}
352ae6
352ae6
ccenv_set_host_variables()
352ae6
{
352ae6
	ccenv_set_toolchain_variables 'host'
375736
	ccenv_dso_verify
352ae6
}
352ae6
352ae6
ccenv_set_native_variables()
352ae6
{
fcafaa
	if [ _$mb_ccenv_skip_native != _yes ]; then
fcafaa
		ccenv_set_toolchain_variables 'native'
fcafaa
	fi
352ae6
}