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4b1ffb828c
Due to raising the minimum binutils version to >= 2.26, the configure check for testing support of --update-section is not needed anymore. Reviewed-by: Peter Bergner <bergner@tenstorrent.com>
142 lines
4.5 KiB
Plaintext
142 lines
4.5 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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OLD_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS $libc_cv_cc_submachine"
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if the target machine is at least POWER8" >&5
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printf %s "checking if the target machine is at least POWER8... " >&6; }
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if test ${libc_cv_target_power8_ok+y}
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then :
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printf %s "(cached) " >&6
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else case e in #(
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e)
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cat confdefs.h - <<_ACEOF >conftest.$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 "$LINENO"
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then :
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libc_cv_target_power8_ok=yes
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else case e in #(
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e) libc_cv_target_power8_ok=no ;;
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esac
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
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esac
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_target_power8_ok" >&5
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printf "%s\n" "$libc_cv_target_power8_ok" >&6; }
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if test "$libc_cv_target_power8_ok" != "yes"
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then :
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critic_missing="$critic_missing POWER8 or newer is required on powerpc64le."
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fi
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CFLAGS="$OLD_CFLAGS"
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OLD_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -mno-gnu-attribute"
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if the compiler supports -mno-gnu-attribute" >&5
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printf %s "checking if the compiler supports -mno-gnu-attribute... " >&6; }
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if test ${libc_cv_no_gnu_attr_ok+y}
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then :
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printf %s "(cached) " >&6
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else case e in #(
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e)
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"
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then :
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libc_cv_no_gnu_attr_ok=yes
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else case e in #(
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e) libc_cv_no_gnu_attr_ok=no ;;
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esac
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
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esac
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_no_gnu_attr_ok" >&5
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printf "%s\n" "$libc_cv_no_gnu_attr_ok" >&6; }
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if test "$libc_cv_no_gnu_attr_ok" != "yes"
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then :
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critic_missing="$critic_missing A compiler with -mno-gnu-attribute is required on powerpc64le."
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fi
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CFLAGS="$OLD_CFLAGS"
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC compiles signbit with 128-bit floating point type" >&5
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printf %s "checking if $CC compiles signbit with 128-bit floating point type... " >&6; }
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if test ${libc_cv_compiler_powerpc64le_ice+y}
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then :
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printf %s "(cached) " >&6
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else case e in #(
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e) save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -mabi=ieeelongdouble -Wno-psabi"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int sbr (long double a) { return __builtin_signbit (a); }
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int sbm (long double *a) { return __builtin_signbit (*a); }
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int sbo (long double *a) { return __builtin_signbit (a[4]); }
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int sbi (long double *a, unsigned long n) { return __builtin_signbit (a[n]); }
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void sbs (int *p, long double a) { *p = __builtin_signbit (a); }
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"
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then :
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libc_cv_compiler_powerpc64le_ice=yes
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else case e in #(
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e) libc_cv_compiler_powerpc64le_ice=no ;;
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esac
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
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CFLAGS="$save_CFLAGS" ;;
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esac
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_compiler_powerpc64le_ice" >&5
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printf "%s\n" "$libc_cv_compiler_powerpc64le_ice" >&6; }
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if test "$libc_cv_compiler_powerpc64le_ice" != "yes"
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then :
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critic_missing="$critic_missing __builtin_signbit is broken. GCC 7.4 or newer is required to resolve (PR83862)."
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC compiles with -mabi=ieeelongdouble and -mlong-double-128" >&5
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printf %s "checking if $CC compiles with -mabi=ieeelongdouble and -mlong-double-128... " >&6; }
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if test ${libc_cv_compiler_powerpc64le_ldbl128_mabi+y}
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then :
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printf %s "(cached) " >&6
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else case e in #(
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e) save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -mabi=ieeelongdouble -mlong-double-128"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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long double x;
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"
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then :
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libc_cv_compiler_powerpc64le_ldbl128_mabi=yes
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else case e in #(
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e) libc_cv_compiler_powerpc64le_ldbl128_mabi=no ;;
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esac
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fi
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rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
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CFLAGS="$save_CFLAGS" ;;
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esac
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fi
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{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_compiler_powerpc64le_ldbl128_mabi" >&5
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printf "%s\n" "$libc_cv_compiler_powerpc64le_ldbl128_mabi" >&6; }
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if test "$libc_cv_compiler_powerpc64le_ldbl128_mabi" = "no"
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then :
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critic_missing="$critic_missing The compiler must support -mabi=ieeelongdouble and -mlong-double-128 simultaneously."
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fi
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test -n "$critic_missing" && as_fn_error $? "*** $critic_missing" "$LINENO" 5
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