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37 lines
1.4 KiB
Plaintext
37 lines
1.4 KiB
Plaintext
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/powerpc64/.
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LIBC_SLIBDIR_RTLDDIR([lib64], [lib64])
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# Define default-abi according to compiler flags.
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AC_CACHE_CHECK([whether the compiler is using the PowerPC64 ELFv2 ABI],
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[libc_cv_ppc64_elfv2_abi],
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[AC_EGREP_CPP(yes,[#if _CALL_ELF == 2
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yes
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#endif
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], libc_cv_ppc64_elfv2_abi=yes, libc_cv_ppc64_elfv2_abi=no)])
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if test $libc_cv_ppc64_elfv2_abi = yes; then
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LIBC_CONFIG_VAR([default-abi], [64-v2])
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# For shlib-versions.
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AC_DEFINE(HAVE_ELFV2_ABI)
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else
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LIBC_CONFIG_VAR([default-abi], [64-v1])
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# Compiler that do not support ELFv2 ABI does not define _CALL_ELF
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AC_CACHE_CHECK([whether the compiler defines _CALL_ELF],
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[libc_cv_ppc64_def_call_elf],
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[AC_EGREP_CPP(yes,[#ifdef _CALL_ELF
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yes
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#endif
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], libc_cv_ppc64_def_call_elf=yes, libc_cv_ppc64_def_call_elf=no)])
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if test $libc_cv_ppc64_def_call_elf = no; then
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libc_extra_cppflags="$libc_extra_cppflags -D_CALL_ELF=1"
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fi
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fi
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# Set minimum kernel version for ppc64le.
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AC_CACHE_CHECK([the machine type to set minimum kernel version],
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[libc_cv_ppc64_le],
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[AC_EGREP_CPP(yes,[#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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yes
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#endif
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], arch_minimum_kernel=3.10.0, libc_cv_ppc64_le=no)])
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