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https://github.com/crosstool-ng/crosstool-ng.git
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7c720ae394
Otherwise, binutils don't recognize it as a valid target - even though GCC does. Fixes #897. Signed-off-by: Alexey Neyman <stilor@att.net>
234 lines
7.9 KiB
Bash
234 lines
7.9 KiB
Bash
# Compute sh-specific values
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CT_DoArchTupleValues () {
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# The architecture part of the tuple. Binutils do not accept specifications
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# like 'sheb-unknown-elf' even though GCC does. So keep the tuple just sh-*-elf
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# unless user wants something specific (either CPU or explicit suffix).
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if [ "${CT_ARCH_SH_VARIANT}" != "sh" -o -n "${CT_ARCH_SUFFIX}" ]; then
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CT_TARGET_ARCH="${CT_ARCH_SH_VARIANT}${CT_ARCH_SUFFIX:-${target_endian_eb}}"
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fi
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# Endianness stuff (uses non-standard CFLAGS). If both are compiled, let the
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# compiler's default or multilib iterator be used.
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case "${CT_ARCH_ENDIAN}" in
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big) CT_ARCH_ENDIAN_CFLAG=-mb;;
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little) CT_ARCH_ENDIAN_CFLAG=-ml;;
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esac
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# Instead of -m{soft,hard}-float, uses CPU type
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CT_ARCH_FLOAT_CFLAG=
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case "${CT_ARCH_SH_VARIANT}" in
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sh3) CT_ARCH_ARCH_CFLAG=-m3;;
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sh4*|sh2*)
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# softfp is not possible for SuperH, no need to test for it.
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case "${CT_ARCH_FLOAT}" in
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hard)
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CT_ARCH_ARCH_CFLAG="-m${CT_ARCH_SH_VARIANT##sh}"
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;;
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soft)
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CT_ARCH_ARCH_CFLAG="-m${CT_ARCH_SH_VARIANT##sh}-nofpu"
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;;
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esac
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;;
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esac
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}
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CT_DoArchMultilibList() {
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local save_ifs="${IFS}"
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local new
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local x
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# In a configuration for SuperH, GCC list of multilibs shall not include
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# the default CPU. E.g. if configuring for sh4-*-*, we need to remove
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# "sh4" or "m4" from the multilib list. Otherwise, the resulting compiler
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# will fail when that CPU is selected explicitly "sh4-multilib-linux-gnu-gcc -m4 ..."
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# as it will fail to find the sysroot with that suffix. This applies to both
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# the CPU type inferred from the target tuple (CT_ARCH_SH_VARIANT) as well as
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# the default CPU configured with --with-cpu (CT_ARCH_CPU).
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IFS=,
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for x in ${CT_CC_GCC_MULTILIB_LIST}; do
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if [ "${x}" = "${CT_ARCH_SH_VARIANT}" -o "sh${x#m}" = "${CT_ARCH_SH_VARIANT}" ]; then
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CT_DoLog WARN "Ignoring '${x}' in multilib list: it is the default multilib"
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continue
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fi
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if [ "${x}" = "${CT_ARCH_CPU}" -o "sh${x#m}" = "${CT_ARCH_CPU}" ]; then
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CT_DoLog WARN "Ignoring '${x}' in multilib list: it is the default multilib"
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continue
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fi
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new="${new:+${new},}${x}"
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done
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IFS="${save_ifs}"
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CT_CC_GCC_MULTILIB_LIST="${new}"
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CT_DoLog DEBUG "Adjusted CT_CC_GCC_MULTILIB_LIST to '${CT_CC_GCC_MULTILIB_LIST}'"
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}
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#------------------------------------------------------------------------------
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# Get multilib architecture-specific target
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# Usage: CT_DoArchMultilibTarget "target variable" "multilib flags"
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CT_DoArchMultilibTarget ()
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{
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local target_var="${1}"; shift
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local -a multi_flags=( "$@" )
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local target_
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local newcpu
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for m in "${multi_flags[@]}"; do
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case "${m}" in
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-m4*) newcpu=sh4;;
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-m3*) newcpu=sh3;;
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-m2*) newcpu=sh2;;
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-m1*) newcpu=sh1;;
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esac
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done
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eval target_=\"\${${target_var}}\"
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# Strip CPU name and append the new one if an option has been seen.
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if [ -n "${newcpu}" ]; then
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target_="${newcpu}-${target_#*-}"
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fi
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# Set the target variable
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eval ${target_var}=\"${target_}\"
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}
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# Adjust target tuple for GLIBC
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CT_DoArchGlibcAdjustTuple() {
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local target_var="${1}"
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local target_
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eval target_=\"\${${target_var}}\"
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case "${target_}" in
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sh-*)
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# Glibc does not build unless configured with 'shX-*' tuple.
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# Since we ended up here, no architecture variant has been
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# specified, so the only source of default is CT_ARCH_CPU.
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# GCC defaults to sh1, but this Glibc cannot compile for it.
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if [ -n "${CT_ARCH_CPU}" ]; then
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target_=${target_/#sh-/${CT_ARCH_CPU}-}
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CT_DoLog DEBUG "Adjusted target tuple ${target_}"
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else
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CT_Abort "GNU C library cannot build for sh1 (GCC default). " \
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"Specify architecture variant or the default CPU type."
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fi
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;;
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esac
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# Set the target variable
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eval ${target_var}=\"${target_}\"
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}
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# Multilib: Adjust configure arguments for GLIBC
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# Usage: CT_DoArchGlibcAdjustConfigure <configure-args-array-name> <cflags>
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CT_DoArchGlibcAdjustConfigure() {
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local -a add_args
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local array="${1}"
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local cflags="${2}"
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local opt
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for opt in ${cflags}; do
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case "${opt}" in
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-m[1-5]*-nofpu)
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add_args+=( "--without-fp" )
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;;
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-m[1-5]*)
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add_args+=( "--with-fp" )
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;;
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esac
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done
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# If architecture variant was specified, we'd have CT_ARCH_ARCH_CFLAG
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# and it would've been handled above. Our last resort: CT_ARCH_CPU
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if [ "${#add_args[@]}" = 0 ]; then
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case "${CT_ARCH_CPU}" in
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sh[34]*-nofpu)
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add_args+=( "--without-fp" )
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;;
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sh[34]*)
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add_args+=( "--with-fp" )
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;;
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esac
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fi
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eval "${array}+=( \"\${add_args[@]}\" )"
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}
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CT_DoArchUClibcConfig() {
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local cfg="${1}"
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CT_DoArchUClibcSelectArch "${cfg}" "sh"
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CT_KconfigDisableOption "CONFIG_SH2" "${cfg}"
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CT_KconfigDisableOption "CONFIG_SH2A" "${cfg}"
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CT_KconfigDisableOption "CONFIG_SH3" "${cfg}"
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CT_KconfigDisableOption "CONFIG_SH4" "${cfg}"
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CT_KconfigDisableOption "CONFIG_SH4A" "${cfg}"
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case "${CT_ARCH_SH_VARIANT}" in
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sh2) CT_KconfigEnableOption "CONFIG_SH2" "${cfg}";;
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sh2a) CT_KconfigEnableOption "CONFIG_SH2A" "${cfg}";;
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sh3) CT_KconfigEnableOption "CONFIG_SH3" "${cfg}";;
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sh4) CT_KconfigEnableOption "CONFIG_SH4" "${cfg}";;
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sh4a) CT_KconfigEnableOption "CONFIG_SH4A" "${cfg}";;
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esac
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}
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CT_DoArchUClibcCflags() {
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local cfg="${1}"
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local cflags="${2}"
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local f
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for f in ${cflags}; do
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case "${f}" in
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-ml)
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CT_KconfigDisableOption "ARCH_BIG_ENDIAN" "${dst}"
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CT_KconfigDisableOption "ARCH_WANTS_BIG_ENDIAN" "${dst}"
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CT_KconfigEnableOption "ARCH_LITTLE_ENDIAN" "${dst}"
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CT_KconfigEnableOption "ARCH_WANTS_LITTLE_ENDIAN" "${dst}"
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;;
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-mb)
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CT_KconfigEnableOption "ARCH_BIG_ENDIAN" "${dst}"
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CT_KconfigEnableOption "ARCH_WANTS_BIG_ENDIAN" "${dst}"
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CT_KconfigDisableOption "ARCH_LITTLE_ENDIAN" "${dst}"
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CT_KconfigDisableOption "ARCH_WANTS_LITTLE_ENDIAN" "${dst}"
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;;
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-m2|-m2a|-m2a-nofpu|-m3|-m4|-m4-nofpu|-m4a|-m4a-nofpu)
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CT_KconfigDisableOption "CONFIG_SH2" "${cfg}"
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CT_KconfigDisableOption "CONFIG_SH2A" "${cfg}"
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CT_KconfigDisableOption "CONFIG_SH3" "${cfg}"
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CT_KconfigDisableOption "CONFIG_SH4" "${cfg}"
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CT_KconfigDisableOption "CONFIG_SH4A" "${cfg}"
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CT_KconfigDisableOption "UCLIBC_HAS_FPU" "${cfg}"
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case "${f}" in
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-m2)
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CT_KconfigEnableOption "CONFIG_SH2" "${cfg}"
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;;
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-m2a)
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CT_KconfigEnableOption "CONFIG_SH2A" "${cfg}"
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CT_KconfigEnableOption "UCLIBC_HAS_FPU" "${cfg}"
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;;
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-m2a-nofpu)
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CT_KconfigEnableOption "CONFIG_SH2A" "${cfg}"
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;;
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-m3)
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CT_KconfigEnableOption "CONFIG_SH3" "${cfg}"
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;;
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-m4)
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CT_KconfigEnableOption "CONFIG_SH4" "${cfg}"
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CT_KconfigEnableOption "UCLIBC_HAS_FPU" "${cfg}"
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;;
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-m4-nofpu)
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CT_KconfigEnableOption "CONFIG_SH4" "${cfg}"
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;;
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-m4a)
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CT_KconfigEnableOption "CONFIG_SH4A" "${cfg}"
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CT_KconfigEnableOption "UCLIBC_HAS_FPU" "${cfg}"
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;;
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-m4a-nofpu)
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CT_KconfigEnableOption "CONFIG_SH4A" "${cfg}"
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;;
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esac
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;;
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esac
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done
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}
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