basic/architecture: Properly set LIB_ARCH_TUPLE for powerpcspe
On powerpc, there are two possible ABIs and hence values for LIB_ARCH_TUPLE. The convential type with an FPU and the embedded variant, called powerpcspe, which does not have a convential FPU but a special Signal Processing Engine (SPE). The latter can be detected by checking whether __NO_FPRS__ is defined.
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@ -101,7 +101,11 @@ int uname_architecture(void);
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#elif defined(__powerpc__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_PPC
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# define LIB_ARCH_TUPLE "powerpc-linux-gnu"
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# if defined(__NO_FPRS__)
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# define LIB_ARCH_TUPLE "powerpc-linux-gnuspe"
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# else
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# define LIB_ARCH_TUPLE "powerpc-linux-gnu"
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# endif
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# else
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# define native_architecture() ARCHITECTURE_PPC_LE
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# error "Missing LIB_ARCH_TUPLE for PPCLE"
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