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Support for powerpc64le requires POWER8 or newer processors. Builds for older processors are not tested. Require at least POWER8 to avoid unintentional builds. * sysdeps/powerpc/powerpc64le/configure.ac: Check for POWER8. * sysdeps/powerpc/powerpc64le/configure: Update.
76 lines
2.3 KiB
Plaintext
76 lines
2.3 KiB
Plaintext
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/powerpc/powerpc64le.
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC supports binary128 floating point type" >&5
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$as_echo_n "checking if $CC supports binary128 floating point type... " >&6; }
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if ${libc_cv_compiler_powerpc64le_binary128_ok+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Werror -mfloat128"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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__float128 a, b, c, d, e;
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int i;
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__float128
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foobar (__float128 x)
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{
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a = __builtin_nansq ("0");
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b = __builtin_huge_valq ();
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c = __builtin_infq ();
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d = __builtin_fabsq (x);
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e = __builtin_nanq ("0");
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i = __builtin_signbit (x);
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return __builtin_copysignq (x, x);
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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libc_cv_compiler_powerpc64le_binary128_ok=yes
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else
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libc_cv_compiler_powerpc64le_binary128_ok=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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CFLAGS="$save_CFLAGS"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_compiler_powerpc64le_binary128_ok" >&5
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$as_echo "$libc_cv_compiler_powerpc64le_binary128_ok" >&6; }
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if test "$libc_cv_compiler_powerpc64le_binary128_ok" != "yes"; then :
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critic_missing="$critic_missing binary128 floating point type (GCC >= 6.2) is required on powerpc64le."
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fi
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OLD_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $libc_cv_cc_submachine"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if the target machine is at least POWER8" >&5
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$as_echo_n "checking if the target machine is at least POWER8... " >&6; }
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if ${libc_cv_target_power8_ok+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#ifndef _ARCH_PWR8
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#error invalid target architecture
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#endif
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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libc_cv_target_power8_ok=yes
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else
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libc_cv_target_power8_ok=no
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_target_power8_ok" >&5
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$as_echo "$libc_cv_target_power8_ok" >&6; }
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if test "$libc_cv_target_power8_ok" != "yes"; then :
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critic_missing="$critic_missing POWER8 or newer is required on powerpc64le."
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fi
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CFLAGS="$OLD_CFLAGS"
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test -n "$critic_missing" && as_fn_error $? "*** $critic_missing" "$LINENO" 5
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