scripts/build/arch/sh.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Dec 12 21:41:16 2011 +0200 (2011-12-12)
branch1.13
changeset 2845 0dc9d4931246
parent 964 0535f7bf1069
child 2760 b402a49734a3
permissions -rw-r--r--
scripts: unset CONFIG_SITE

Some distributions (eg. openSUSE 12.1) systematically export
the CONFIG_SITE environment variable to point to a custom
script setting misc paths for ./configure.

This can, and does, break when cross-compiling for architectures
that are not supported by this script.

The simple workaround is to unset this variable.
NB: buildroot has a similar fix:
http://git.buildroot.org/buildroot/commit/?id=12c9f7dd6dee9c6029b4f9a12d6aac1516911ab4

Reported-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from 21f4f28e60ec0342133086c9a51e7f0e5b181fb8)
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# Compute sh-specific values
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CT_DoArchTupleValues () {
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    # The architecture part of the tuple:
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    CT_TARGET_ARCH="${CT_ARCH_SH_VARIANT}${target_endian_eb}"
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    # gcc ./configure flags
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    CT_ARCH_WITH_ARCH=
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    CT_ARCH_WITH_ABI=
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    CT_ARCH_WITH_CPU=
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    CT_ARCH_WITH_TUNE=
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    CT_ARCH_WITH_FPU=
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    CT_ARCH_WITH_FLOAT=
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    # Endianness stuff
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    case "${CT_ARCH_BE},${CT_ARCH_LE}" in
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        y,) CT_ARCH_ENDIAN_CFLAG=-mb;;
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        ,y) CT_ARCH_ENDIAN_CFLAG=-ml;;
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    esac
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    # CFLAGS
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    case "${CT_ARCH_SH_VARIANT}" in
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        sh3)    CT_ARCH_ARCH_CFLAG=-m3;;
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        sh4*)
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            case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
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                y,) CT_ARCH_ARCH_CFLAG="-m4${CT_ARCH_SH_VARIANT##sh?}";;
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                ,y) CT_ARCH_ARCH_CFLAG="-m4${CT_ARCH_SH_VARIANT##sh?}-nofpu";;
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            esac
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            ;;
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    esac
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    CT_ARCH_FLOAT_CFLAG=
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}