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47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
Plaintext
GLIBC_PROVIDES[]dnl See aclocal.m4 in the top level source directory.
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# Local preconfigure fragment for sysdeps/loongarch
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case "$machine" in
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loongarch*)
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abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(lp64\|ilp32\).*/\1/p'`
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float_abi=`$CC $CFLAGS $CPPFLAGS -E -dM -xc /dev/null | sed -n 's/^#define __loongarch_\(soft\|single\|double\)_float.*/\1/p'`
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with_fp_cond="!defined __loongarch_soft_float"
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case "$float_abi" in
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soft)
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abi_flen=0
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;;
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single)
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AC_MSG_ERROR([glibc does not yet support the single floating-point ABI!!], 1)
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;;
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double)
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abi_flen=64
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;;
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*)
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AC_MSG_ERROR([Unable to determine floating-point ABI!!], 1)
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;;
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esac
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case "$abi" in
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ilp32)
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AC_MSG_ERROR([loongarch does not yet support ilp32 ABI!!], 1)
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;;
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lp64)
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grlen=64
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machine=loongarch/lp64
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;;
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*)
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AC_MSG_ERROR([Unable to determine GRLEN!!], 1)
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;;
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esac
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AC_DEFINE_UNQUOTED([LOONGARCH_ABI_GRLEN], [$grlen])
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AC_DEFINE_UNQUOTED([LOONGARCH_ABI_FRLEN], [$abi_flen])
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base_machine=loongarch
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;;
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esac
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