Blame project/config/cfgdefs.sh

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for arg ; do
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	case "$arg" in
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		--no-complex )
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			libc_no_complex=yes
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			;;
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		*)
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			error_msg ${arg#}: "unsupported config argument."
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			exit 2
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	esac
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done
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cfgdefs_set_arch()
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{
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	if [ -n "$mb_arch" ]; then
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		return 0
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	fi
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	case "$mb_cchost" in
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		*-*-*-* )
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			mb_arch=${mb_cchost%-*-*-*}
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			;;
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		*-*-* )
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			mb_arch=${mb_cchost%-*-*}
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			;;
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		*-* )
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			mb_arch=${mb_cchost%-*-*-*}
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			;;
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		* )
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			mb_arch='unknown'
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			;;
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	esac
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	if [ "$mb_os" = 'midipix' ]; then
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		case "$mb_arch" in
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			x86_64 )
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				mb_arch='nt64'
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				;;
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			i[3-6]86 )
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				mb_arch='nt32'
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				;;
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		esac
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	fi
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}
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cfgdefs_detect_libc_version()
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{
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	mb_libc_verinfo=$(cat "$mb_source_dir/VERSION")
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	case "$mb_libc_verinfo" in
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		*.*.* )
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			libc_ver=${mb_libc_verinfo}
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			libc_major=${mb_libc_verinfo%.*.*}
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			libc_micro=${mb_libc_verinfo#*.*.}
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			libc_minor=${libc_ver#*.}
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			libc_minor=${libc_minor%.*}
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			;;
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		* )
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			error_msg "Could not properly parse $mb_source_dir/VERSION"
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			exit 2
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	esac
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}
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cfgdefs_set_libc_options()
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{
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	if [ -d $mb_project_dir/arch/$mb_arch ]; then
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		port_dir='$(PROJECT_DIR)'
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		arch_dir=$mb_project_dir
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	else
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		port_dir='$(SOURCE_DIR)'
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		arch_dir=$mb_source_dir
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	fi
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	if [ -f $arch_dir/arch/$mb_arch/bits/syscall.h.in ]; then
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		libc_syscall_arch='syscall-gen.tag'
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	else
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		libc_syscall_arch='syscall-copy.tag'
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	fi
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	if [ -f $mb_source_dir/arch/x86_64/atomic_arch.h ]; then
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		libc_source_tree='-D__LIBC_MODERN_SOURCE_TREE'
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	else
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		libc_source_tree='-D__LIBC_LEGACY_SOURCE_TREE'
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	fi
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	if [ _${libc_no_complex:-} = _yes ]; then
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		libc_deps=
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		libc_excl_files='$(filter ./src/complex/%, $(libc_all_files))'
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	else
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		libc_deps='-lgcc -lgcc_eh'
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		libc_excl_files=
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	fi
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}
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cfgdefs_output_custom_defs()
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{
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	sed \
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			-e 's/@port_dir@/'"$port_dir"'/g'       \
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			-e 's/@libc_ver@/'"$libc_ver"'/g'       \
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			-e 's/@libc_major@/'"$libc_major"'/g'   \
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			-e 's/@libc_minor@/'"$libc_minor"'/g'   \
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			-e 's/@libc_micro@/'"$libc_micro"'/g'   \
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			-e 's/@libc_deps@/'"$libc_deps"'/g'     \
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			-e 's^@libc_excl_files@^'"$libc_excl_files"'^g'   \
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			-e 's/@libc_source_tree@/'"$libc_source_tree"'/g'  \
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			-e 's/@libc_syscall_arch@/'"$libc_syscall_arch"'/g' \
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		"$mb_project_dir/project/config/cfgdefs.in"         \
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	| sed -e 's/[ \t]*$//g'                                     \
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			>> "$mb_pwd/cfgdefs.mk"
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}
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# arch
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cfgdefs_set_arch
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# libc version info
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cfgdefs_detect_libc_version
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# libc (variant-specific) options
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cfgdefs_set_libc_options
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# cfgdefs.in --> cfgdefs.mk
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cfgdefs_output_custom_defs
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# all done
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return 0