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 $ccenv_candidates; do
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			command -v "$ccenv_tool" > /dev/null && return 0
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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 $ccenv_prefixes; do
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		for ccenv_candidate in $ccenv_candidates; do
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			ccenv_tool="$ccenv_prefix$ccenv_candidate"
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			command -v "$ccenv_tool" > /dev/null && return 0
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		done
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	done
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	for ccenv_tool in $ccenv_candidates; do
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		command -v "$ccenv_tool" > /dev/null && return 0
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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"
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	ccenv_peep_tools="perk mdso dlltool windmc windres"
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	for __tool in $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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	$ccenv_tool --version | grep -i Binutils    \
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			> /dev/null                 \
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		&& ccenv_objdump_bfd="$ccenv_tool"
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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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	$ccenv_tool --version | grep -i LLVM        \
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			> /dev/null                 \
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		&& ccenv_objdump_llvm="$ccenv_tool"
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	# readelf (bfd)
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	ccenv_candidates=readelf
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	ccenv_find_tool
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	$ccenv_tool --version | grep -i Binutils    \
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			> /dev/null                 \
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		&& ccenv_readelf_bfd="$ccenv_tool"
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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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	$ccenv_tool --version | grep -i LLVM        \
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			> /dev/null                 \
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		&& ccenv_readelf_llvm="$ccenv_tool"
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	# as
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	if [ -n "$ccenv_cc" ]; then
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		ccenv_as='$('"$ccenv_makevar_prefix"'CC) -x assembler'
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	elif [ -n "$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 "$ccenv_cc" ]; then
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		ccenv_set_c_compiler_candidates
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		ccenv_find_tool
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		ccenv_cc="$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=$(mktemp)
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		ccenv_cmd="$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 $ccenv_tflags"
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			fi
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		fi
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		ccenv_cchost=$($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=$ccenv_internal_size
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}
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ccenv_set_cc_underscore()
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{
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	ccenv_fn_name='ZmYaXyWbVe_UuTnSdReQrPsOcNoNrLe'
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	ccenv_fn_code='int %s(void){return 0;}'
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	printf "$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             \
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		&& ccenv_cc_underscore='_'
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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 $ccenv_image.tmp
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	fi
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	if [ -z "ccenv_cc_underscore" ]; then
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		ccenv_start_fn='_start'
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	else
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		ccenv_start_fn='start'
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	fi
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	printf 'int %s(void){return 0;}' "$ccenv_start_fn"  \
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		| $ccenv_cc -xc -                           \
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			-ffreestanding                      \
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			-nostdlib -nostartfiles             \
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			-o $ccenv_image                     \
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	|| return 1
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	ccenv_freestd=yes
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	return 0
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}
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ccenv_set_cc_binfmt()
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{
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	ccenv_use_perk=
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	ccenv_use_readelf=
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	ccenv_use_readobj=
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	ccenv_use_bfd_objdump=
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	ccenv_use_llvm_objdump=
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3ae283
	ccenv_create_framework_executable               \
3ae283
		|| ccenv_create_freestanding_executable \
3ae283
		|| return 0
3ae283
3ae283
	# PE / perk
3ae283
	if [ -n "$ccenv_perk" ]; then
3ae283
		$ccenv_perk $ccenv_image 2>/dev/null \
3ae283
		&& ccenv_cc_binfmt='PE'               \
3ae283
		&& ccenv_use_perk=yes
3ae283
	fi
3ae283
3ae283
	# ELF / readelf
3ae283
	if [ -n "$ccenv_readelf" ] && [ -z "$ccenv_cc_binfmt" ]; then
3ae283
		$ccenv_readelf -h $ccenv_image 2>/dev/null        \
3ae283
			| grep 'Magic:' | sed -e 's/[ ]*//g'      \
3ae283
			| grep 'Magic:7f454c46'                   \
3ae283
				> /dev/null                       \
3ae283
		&& ccenv_cc_binfmt='ELF'                          \
3ae283
		&& ccenv_use_readelf=yes
3ae283
	fi
3ae283
3ae283
	# a marble of astonishing design:
3ae283
	# llvm-readelf also parses PE and Mach-O
3ae283
3ae283
	if [ -n "$ccenv_readelf_llvm" ]; then
3ae283
		ccenv_readany="$ccenv_readelf_llvm"
3ae283
	else
3ae283
		ccenv_readany="$ccenv_readelf"
3ae283
	fi
3ae283
3ae283
	# PE / readelf
3ae283
	if [ -n "$ccenv_readany" ] && [ -z "$ccenv_cc_binfmt" ]; then
3ae283
		$ccenv_readany -h $ccenv_image 2>/dev/null        \
3ae283
			| grep 'Magic:' | sed -e 's/[ ]*//g'      \
3ae283
			| grep 'Magic:MZ'                         \
3ae283
				> /dev/null                       \
3ae283
		&& ccenv_cc_binfmt='PE'                           \
3ae283
		&& ccenv_use_readelf=yes
3ae283
	fi
3ae283
3ae283
	# MACHO-64 / readelf
3ae283
	if [ -n "$ccenv_readany" ] && [ -z "$ccenv_cc_binfmt" ]; then
3ae283
		$ccenv_readany -h $ccenv_image 2>/dev/null        \
3ae283
			| grep -i 'Magic:' | sed -e 's/[ ]*//g'   \
3ae283
			| grep -i '(0xfeedfacf)'                  \
3ae283
				> /dev/null                       \
3ae283
		&& ccenv_cc_binfmt='MACHO'                        \
3ae283
		&& ccenv_use_readelf=yes
3ae283
	fi
3ae283
3ae283
	# MACHO-32 / readelf
3ae283
	if [ -n "$ccenv_readany" ] && [ -z "$ccenv_cc_binfmt" ]; then
3ae283
		$ccenv_readany -h $ccenv_image 2>/dev/null        \
3ae283
			| grep -i 'Magic:' | sed -e 's/[ ]*//g'   \
3ae283
			| grep -i '(0xcafebabe)'                  \
3ae283
				> /dev/null                       \
3ae283
		&& ccenv_cc_binfmt='MACHO'                        \
3ae283
		&& ccenv_use_readelf=yes
3ae283
	fi
3ae283
3ae283
	# MACHO / readobj
3ae283
	if [ -n "$ccenv_readobj" ] && [ -z "$ccenv_cc_binfmt" ]; then
3ae283
		$ccenv_readobj $ccenv_image 2>/dev/null           \
3ae283
			| grep -i 'Format:' | sed 's/ /_/g'       \
3ae283
			| grep -i '_Mach-O_'                      \
3ae283
				> /dev/null                       \
3ae283
		&& ccenv_cc_binfmt='MACHO'                        \
3ae283
		&& ccenv_use_readobj=yes
3ae283
	fi
3ae283
3ae283
	# MACHO / objdump (llvm)
3ae283
	if [ -n "$ccenv_objdump" ] && [ -z "$ccenv_cc_binfmt" ]; then
3ae283
		$ccenv_objdump -section-headers $ccenv_image      \
3ae283
				2>/dev/null                       \
3ae283
			| grep -i 'file format Mach-O'            \
3ae283
				> /dev/null                       \
3ae283
		&& ccenv_cc_binfmt='MACHO'                        \
3ae283
		&& ccenv_use_objdump=yes
3ae283
	fi
3ae283
3ae283
	# MACHO / objdump (bfd)
3ae283
	if [ -n "$ccenv_objdump" ] && [ -z "$ccenv_cc_binfmt" ]; then
3ae283
		$ccenv_objdump -h  $ccenv_image 2>/dev/null       \
3ae283
			| grep -i 'file format Mach-O'            \
3ae283
				> /dev/null                       \
3ae283
		&& ccenv_cc_binfmt='MACHO'                        \
3ae283
		&& ccenv_use_objdump=yes
3ae283
	fi
3ae283
3ae283
	# PE / objdump (bfd)
3ae283
	if [ -n "$ccenv_objdump" ] && [ -z "$ccenv_cc_binfmt" ]; then
3ae283
		$ccenv_objdump -h  $ccenv_image 2>/dev/null       \
3ae283
			| grep -i 'file format pei-'              \
3ae283
				> /dev/null                       \
3ae283
		&& ccenv_cc_binfmt='PE'                           \
3ae283
		&& ccenv_use_bfd_objdump=yes
3ae283
	fi
3ae283
}
3ae283
3ae283
ccenv_set_os_pe()
3ae283
{
3ae283
	if [ -n "$ccenv_freestd" ]; then
3ae283
		case "$ccenv_cchost" in
3ae283
			*-midipix | *-midipix-* )
3ae283
				ccenv_os='midipix' ;;
3ae283
			*-mingw | *-mingw32 | *-mingw64 )
3ae283
				ccenv_os='mingw' ;;
3ae283
			*-mingw-* | *-mingw32-* | *-mingw64 )
3ae283
				ccenv_os='mingw' ;;
3ae283
			*-msys | *-msys2 | *-msys-* | *-msys2-* )
3ae283
				ccenv_os='msys' ;;
3ae283
			*-cygwin | *-cygwin-* )
3ae283
				ccenv_os='cygwin' ;;
3ae283
		esac
3ae283
	fi
3ae283
3ae283
	if [ -n "$ccenv_os" ]; then
3ae283
		return 0
3ae283
	fi
3ae283
3ae283
	if [ -n "$ccenv_use_perk" ]; then
3ae283
		ccenv_framework=$($ccenv_perk -y $ccenv_image)
3ae283
		ccenv_os=${ccenv_framework#*-*-*-*}
3ae283
	fi
3ae283
3ae283
	if [ -z "$ccenv_os" ] && [ -n "$ccenv_objdump_bfd" ]; then
3ae283
		$ccenv_objdump_bfd -x $ccenv_image | grep -i 'DLL Name' \
3ae283
			| grep 'cygwin1.dll' > /dev/null                \
3ae283
		&& ccenv_os='cygwin'
3ae283
	fi
3ae283
3ae283
	if [ -z "$ccenv_os" ] && [ -n "$ccenv_objdump_bfd" ]; then
3ae283
		$ccenv_objdump_bfd -x $ccenv_image | grep -i 'DLL Name' \
3ae283
			| grep 'msys-2.0.dll' > /dev/null               \
3ae283
		&& ccenv_os='msys'
3ae283
	fi
3ae283
3ae283
	if [ -z "$ccenv_os" ] && [ -n "$ccenv_objdump_bfd" ]; then
3ae283
		$ccenv_objdump_bfd -x $ccenv_image          \
3ae283
			| grep -i 'DLL Name' | grep '.CRT'  \
3ae283
				> /dev/null                 \
3ae283
		&& $ccenv_objdump_bfd -x $ccenv_image       \
3ae283
			| grep -i 'DLL Name' | grep '.bss'  \
3ae283
				> /dev/null                 \
3ae283
		&& $ccenv_objdump_bfd -x $ccenv_image       \
3ae283
			| grep -i 'DLL Name' | grep '.tls'  \
3ae283
				> /dev/null                 \
3ae283
		&& ccenv_os='mingw'
3ae283
	fi
3ae283
}
3ae283
3ae283
ccenv_set_os_macho()
3ae283
{
3ae283
	case "$ccenv_cchost" in
3ae283
		*-apple-darwin* )
3ae283
			ccenv_os='darwin' ;;
3ae283
	esac
3ae283
}
3ae283
3ae283
ccenv_set_os()
3ae283
{
3ae283
	case "$ccenv_cc_binfmt" in
3ae283
		PE )
3ae283
			ccenv_set_os_pe ;;
3ae283
		MACHO )
3ae283
			ccenv_set_os_macho ;;
3ae283
	esac
3ae283
3ae283
	if [ -n "$ccenv_os" ]; then
3ae283
		return 0
3ae283
	fi
3ae283
3ae283
	case "$ccenv_cchost" in
3ae283
		*-*-*-* )
3ae283
			ccenv_tip=${ccenv_cchost%-*}
3ae283
			ccenv_os=${ccenv_tip#*-*-}
3ae283
			;;
3ae283
		*-*-musl | *-*-gnu )
3ae283
			ccenv_tip=${ccenv_cchost%-*}
3ae283
			ccenv_os=${ccenv_tip#*-}
3ae283
			;;
3ae283
		*-*-* )
3ae283
			ccenv_os=${ccenv_cchost#*-*-}
3ae283
			;;
3ae283
		*-* )
3ae283
			ccenv_os=${ccenv_cchost#*-}
3ae283
			;;
3ae283
	esac
3ae283
3ae283
	if [ -z "$ccenv_os" ]; then
3ae283
		ccenv_os='anyos'
3ae283
	fi
3ae283
}
3ae283
3ae283
ccenv_set_os_flags()
3ae283
{
3ae283
	case "$ccenv_os" in
3ae283
		darwin )
3ae283
			ccenv_cflags_os='-D_DARWIN_C_SOURCE'
3ae283
			ccenv_cflags_pic='-fPIC'
3ae283
			;;
3ae283
		midipix )
3ae283
			ccenv_cflags_os=
3ae283
			ccenv_cflags_pic='-fPIC'
3ae283
			;;
3ae283
		cygwin )
3ae283
			ccenv_cflags_os=
3ae283
			ccenv_cflags_pic=
3ae283
			;;
3ae283
		msys | msys* | mingw | mingw* )
3ae283
			ccenv_cflags_os='-U__STRICT_ANSI__'
3ae283
			ccenv_cflags_pic=
3ae283
			;;
3ae283
		* )
3ae283
			ccenv_cflags_os=
3ae283
			ccenv_cflags_pic='-fPIC'
3ae283
			;;
3ae283
	esac
3ae283
}
3ae283
3ae283
ccenv_set_os_semantics()
3ae283
{
3ae283
	# binary_format - core_api - ex_api - dependency_resolution
3ae283
3ae283
	case "$ccenv_os" in
3ae283
		linux )
3ae283
			ccenv_os_semantics='elf-posix-linux-ldso'
3ae283
			;;
3ae283
		bsd )
3ae283
			ccenv_os_semantics='elf-posix-bsd-ldso'
3ae283
			;;
3ae283
		darwin )
3ae283
			ccenv_os_semantics='macho-posix-osx-ldso'
3ae283
			;;
3ae283
		midipix )
3ae283
			ccenv_os_semantics='pe-posix-winnt-ldso'
3ae283
			;;
3ae283
		cygwin )
3ae283
			ccenv_os_semantics='pe-hybrid-winnt-unsafe'
3ae283
			;;
3ae283
		msys )
3ae283
			ccenv_os_semantics='pe-hybrid-winnt-unsafe'
3ae283
			;;
3ae283
		mingw )
3ae283
			ccenv_os_semantics='pe-win32-winnt-unsafe'
3ae283
			;;
3ae283
	esac
3ae283
3ae283
	if [ -n "$ccenv_os_semantics" ]; then
3ae283
		return 0
3ae283
	fi
3ae283
3ae283
	if [ -n "$ccenv_cc_binfmt" ]; then
3ae283
		ccenv_os_semantics_pattern='%s-posix-anyos-unknown'
3ae283
		ccenv_os_semantics=$(printf                   \
3ae283
				"$ccenv_os_semantics_pattern"  \
3ae283
				"$ccenv_cc_binfmt"              \
3ae283
			| tr '[:upper:]' '[:lower:]')
3ae283
	else
3ae283
		ccenv_os_semantics='unknown-posix-anyos-unknown'
3ae283
	fi
3ae283
}
3ae283
3ae283
ccenv_set_os_dso_exrules()
3ae283
{
3ae283
	case "$ccenv_os" in
3ae283
		midipix )
3ae283
			ccenv_os_dso_exrules='pe-mdso'
3ae283
			;;
3ae283
		* )
3ae283
			if [ "$ccenv_cc_binfmt" = 'PE' ]; then
3ae283
				ccenv_os_dso_exrules='pe-dlltool'
3ae283
			else
3ae283
				ccenv_os_dso_exrules='default'
3ae283
			fi
3ae283
	esac
3ae283
}
3ae283
3ae283
ccenv_set_os_dso_linkage()
3ae283
{
3ae283
	# todo: PIC, PIE, and friends
3ae283
	ccenv_os_dso_linkage='default'
3ae283
}
3ae283
3ae283
ccenv_set_os_dso_patterns_darwin()
3ae283
{
3ae283
	ccenv_os_app_prefix=
3ae283
	ccenv_os_app_suffix=
3ae283
3ae283
	ccenv_os_lib_prefix=lib
3ae283
	ccenv_os_lib_suffix=.dylib
3ae283
3ae283
	ccenv_os_implib_ext=.invalid
3ae283
	ccenv_os_libdef_ext=.invalid
3ae283
3ae283
	ccenv_os_archive_ext=.a
3ae283
	ccenv_os_soname=symlink
3ae283
3ae283
	ccenv_os_lib_prefixed_suffix=
3ae283
	ccenv_os_lib_suffixed_suffix='$(OS_LIB_SUFFIX)'
3ae283
}
3ae283
3ae283
ccenv_set_os_dso_patterns_mdso()
3ae283
{
3ae283
	ccenv_os_app_prefix=
3ae283
	ccenv_os_app_suffix=
3ae283
3ae283
	ccenv_os_lib_prefix=lib
3ae283
	ccenv_os_lib_suffix=.so
3ae283
3ae283
	ccenv_os_implib_ext=.lib.a
3ae283
	ccenv_os_libdef_ext=.so.def
3ae283
3ae283
	ccenv_os_archive_ext=.a
3ae283
	ccenv_os_soname=symlink
3ae283
3ae283
	ccenv_os_lib_prefixed_suffix='$(OS_LIB_SUFFIX)'
3ae283
	ccenv_os_lib_suffixed_suffix=
3ae283
}
3ae283
3ae283
ccenv_set_os_dso_patterns_dlltool()
3ae283
{
3ae283
	ccenv_os_app_prefix=
3ae283
	ccenv_os_app_suffix=.exe
3ae283
3ae283
	ccenv_os_lib_prefix=lib
3ae283
	ccenv_os_lib_suffix=.dll
3ae283
3ae283
	ccenv_os_implib_ext=.dll.a
3ae283
	ccenv_os_libdef_ext=.def
3ae283
3ae283
	ccenv_os_archive_ext=.a
3ae283
	ccenv_os_soname=copy
3ae283
3ae283
	ccenv_os_lib_prefixed_suffix='$(OS_LIB_SUFFIX)'
3ae283
	ccenv_os_lib_suffixed_suffix=
3ae283
}
3ae283
3ae283
ccenv_set_os_dso_patterns_default()
3ae283
{
3ae283
	ccenv_os_app_prefix=
3ae283
	ccenv_os_app_suffix=
3ae283
3ae283
	ccenv_os_lib_prefix=lib
3ae283
	ccenv_os_lib_suffix=.so
3ae283
3ae283
	ccenv_os_implib_ext=.invalid
3ae283
	ccenv_os_libdef_ext=.invalid
3ae283
3ae283
	ccenv_os_archive_ext=.a
3ae283
	ccenv_os_soname=symlink
3ae283
3ae283
	ccenv_os_lib_prefixed_suffix='$(OS_LIB_SUFFIX)'
3ae283
	ccenv_os_lib_suffixed_suffix=
3ae283
}
3ae283
3ae283
ccenv_set_os_dso_patterns()
3ae283
{
3ae283
	# sover: .so.x.y.z
3ae283
	# verso: .x.y.z.so
3ae283
3ae283
	case "$ccenv_os" in
3ae283
		darwin )
3ae283
			ccenv_set_os_dso_patterns_darwin
3ae283
			;;
3ae283
		midipix )
3ae283
			ccenv_set_os_dso_patterns_mdso
3ae283
			;;
3ae283
		cygwin | msys | mingw )
3ae283
			ccenv_set_os_dso_patterns_dlltool
3ae283
			;;
3ae283
		* )
3ae283
			ccenv_set_os_dso_patterns_default
3ae283
			;;
3ae283
	esac
3ae283
}
3ae283
3ae283
ccenv_output_defs()
3ae283
{
3ae283
	ccenv_in="$mb_project_dir/sofort/ccenv/ccenv.in"
3ae283
	ccenv_mk="$mb_pwd/ccenv/$ccenv_cfgtype.mk"
3ae283
3ae283
	if [ $ccenv_cfgtype = 'native' ]; then
3ae283
3ae283
		ccenv_tmp=$(mktemp)
3ae283
3ae283
		sed                             \
3ae283
				-e 's/^\s*$/@/g' \
3ae283
				-e 's/^/NATIVE_/' \
3ae283
				-e 's/NATIVE_@//g' \
3ae283
				-e 's/NATIVE_#/#/g' \
3ae283
				-e 's/       =/=/g'  \
3ae283
				-e 's/       +=/+=/g' \
3ae283
			"$ccenv_in" > "$ccenv_tmp"
3ae283
3ae283
		ccenv_in="$ccenv_tmp"
3ae283
	fi
3ae283
3ae283
	ccenv_vars=$(cut -d'=' -f1 "$mb_project_dir/sofort/ccenv/ccenv.vars" \
3ae283
			| grep -v '^#')
3ae283
3ae283
	ccenv_exvars="ccenv_cfgtype ccenv_makevar_prefix"
3ae283
3ae283
	ccenv_sed_substs=" \
3ae283
		$(for __var in $ccenv_vars $ccenv_exvars; do \
3ae283
			printf '%s"$%s"%s' "-e 's/@$__var@/'" \
3ae283
				"$__var" "'/g' ";              \
3ae283
		done)"
3ae283
3ae283
	eval sed $ccenv_sed_substs "$ccenv_in" \
3ae283
			| sed -e 's/[ \t]*$//g' \
3ae283
		> "$ccenv_mk"
3ae283
3ae283
	if [ "$ccenv_cfgtype" = 'host' ]; then
3ae283
		for __var in $ccenv_vars; do
3ae283
			ccenv_src_var=$__var
3ae283
			ccenv_dst_var=mb_${__var#*ccenv_}
3ae283
			ccenv_var_expr='${'$ccenv_src_var':-}'
3ae283
			eval $ccenv_dst_var=$ccenv_var_expr
3ae283
3ae283
		done
3ae283
3ae283
		mb_host=$ccenv_host
3ae283
		mb_cchost=$ccenv_cchost
3ae283
	else
3ae283
		for __var in $ccenv_vars; do
3ae283
			ccenv_src_var=$__var
3ae283
			ccenv_dst_var=mb_native_${__var#*ccenv_}
3ae283
			ccenv_var_expr='${'$ccenv_src_var':-}'
3ae283
			eval "$ccenv_dst_var=$ccenv_var_expr"
3ae283
		done
3ae283
3ae283
		mb_native_host=$ccenv_host
3ae283
		mb_native_cchost=$ccenv_cchost
3ae283
	fi
3ae283
}
3ae283
3ae283
ccenv_dso_verify()
3ae283
{
3ae283
	ccenv_str='int foo(int x){return ++x;}'
3ae283
	ccenv_cmd="$ccenv_cc -xc - -shared -o a.out"
3ae283
3ae283
	rm -f a.out
3ae283
3ae283
	printf '%s' "$ccenv_str" | $ccenv_cmd \
3ae283
		> /dev/null 2>/dev/null       \
3ae283
	|| mb_disable_shared=yes
3ae283
3ae283
	rm -f a.out
3ae283
}
3ae283
3ae283
ccenv_clean_up()
3ae283
{
3ae283
	rm -f $ccenv_image
3ae283
}
3ae283
3ae283
ccenv_common_init()
3ae283
{
3ae283
	. "$mb_project_dir/sofort/ccenv/ccenv.vars"
3ae283
3ae283
	ccenv_cfgtype=$1
3ae283
	ccenv_cfgfile="$mb_pwd/ccenv/$ccenv_cfgtype.mk"
3ae283
	ccenv_freestd=
3ae283
	ccenv_cchost=
3ae283
3ae283
	if [ $ccenv_cfgtype = 'native' ]; then
3ae283
		ccenv_makevar_prefix='NATIVE_'
3ae283
		ccenv_image='./ccenv/native.a.out'
3ae283
	else
3ae283
		ccenv_makevar_prefix=
3ae283
		ccenv_image='./ccenv/host.a.out'
3ae283
	fi
3ae283
3ae283
	if [ $ccenv_cfgtype = 'native' ]; then
3ae283
		ccenv_prefixes=
3ae283
	elif [ -n "$mb_cross_compile" ]; then
3ae283
		ccenv_prefixes="$mb_cross_compile"
3ae283
	elif [ -n "$mb_host" ]; then
3ae283
		ccenv_prefixes="$mb_host-"
3ae283
	else
3ae283
		ccenv_prefixes=
3ae283
	fi
3ae283
3ae283
	if [ $ccenv_cfgtype = 'host' ]; then
3ae283
		ccenv_tflags=
3ae283
		ccenv_cflags=$(make -s -f "$mb_pwd/Makefile.tmp" .display-cflags)
3ae283
		ccenv_cc="$mb_user_cc"
3ae283
		ccenv_cpp="$mb_user_cpp"
3ae283
		ccenv_cxx="$mb_user_cxx"
3ae283
	else
3ae283
		ccenv_tflags=
3ae283
		ccenv_cflags="$mb_native_cflags"
3ae283
		ccenv_cc="$mb_native_cc"
3ae283
		ccenv_cpp="$mb_native_cpp"
3ae283
		ccenv_cxx="$mb_native_cxx"
3ae283
	fi
3ae283
}
3ae283
3ae283
ccenv_set_characteristics()
3ae283
{
3ae283
	ccenv_set_cc_host
3ae283
	ccenv_set_cc_bits
3ae283
	ccenv_set_cc_underscore
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	ccenv_set_cc_binfmt
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}
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ccenv_set_toolchain_variables()
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{
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	ccenv_common_init $1
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	ccenv_set_cc
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	ccenv_set_cpp
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	ccenv_set_cxx
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	ccenv_set_primary_tools
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	ccenv_set_tool_variants
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	ccenv_set_characteristics
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	ccenv_set_os
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	ccenv_set_os_flags
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	ccenv_set_os_semantics
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	ccenv_set_os_dso_exrules
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	ccenv_set_os_dso_linkage
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	ccenv_set_os_dso_patterns
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	ccenv_output_defs
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	ccenv_clean_up
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}
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ccenv_set_host_variables()
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{
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	ccenv_set_toolchain_variables 'host'
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	ccenv_dso_verify
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}
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ccenv_set_native_variables()
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{
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	if [ _$mb_ccenv_skip_native != _yes ]; then
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		ccenv_set_toolchain_variables 'native'
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	fi
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}