arch: improve definition of gcc mtune, mcpu, etc.
As suggested by Yann E. Morin, there is a better way than our current
big Config.in.common to define the gcc mtune, mcpu, march,
etc. values. We can split the setting of those values in each
architecture file, which makes a lot more sense.
Therefore, the Config.in file now creates empty kconfig variables
BR2_ARCH, BR2_ENDIAN, BR2_GCC_TARGET_TUNE, BR2_GCC_TARGET_ARCH,
BR2_GCC_TARGET_ABI and BR2_GCC_TARGET_CPU. The values of those
variables are set by the individual Config.in.<arch> files. This is
possible because such files are now only conditionally included
depending on the top-level architecture that has been selected.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2012-11-15 04:53:48 +01:00
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config BR2_ARCH
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default "m68k" if BR2_m68k
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config BR2_ENDIAN
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default "BIG"
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config BR2_GCC_TARGET_TUNE
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2012-11-15 04:53:53 +01:00
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default "68000" if BR2_m68k_68000
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default "68010" if BR2_m68k_68010
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default "68020" if BR2_m68k_68020
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default "68030" if BR2_m68k_68030
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default "68040" if BR2_m68k_68040
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default "68060" if BR2_m68k_68060
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arch: improve definition of gcc mtune, mcpu, etc.
As suggested by Yann E. Morin, there is a better way than our current
big Config.in.common to define the gcc mtune, mcpu, march,
etc. values. We can split the setting of those values in each
architecture file, which makes a lot more sense.
Therefore, the Config.in file now creates empty kconfig variables
BR2_ARCH, BR2_ENDIAN, BR2_GCC_TARGET_TUNE, BR2_GCC_TARGET_ARCH,
BR2_GCC_TARGET_ABI and BR2_GCC_TARGET_CPU. The values of those
variables are set by the individual Config.in.<arch> files. This is
possible because such files are now only conditionally included
depending on the top-level architecture that has been selected.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
2012-11-15 04:53:48 +01:00
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config BR2_GCC_TARGET_ARCH
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2012-11-15 04:53:53 +01:00
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default "68000" if BR2_m68k_68000
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default "68010" if BR2_m68k_68010
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default "68020" if BR2_m68k_68020
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default "68030" if BR2_m68k_68030
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default "68040" if BR2_m68k_68040
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default "68060" if BR2_m68k_68060
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