Blame sysdeps/ieee754/ldbl-opt/configure
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# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/ieee754/ldbl-opt/.
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS supports -mlong-double-128" >&5
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$as_echo_n "checking whether $CC $CFLAGS supports -mlong-double-128... " >&6; }
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if ${libc_cv_mlong_double_128+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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save_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -mlong-double-128"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int
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main ()
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{
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#ifndef __LONG_DOUBLE_128__
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# error "compiler did not predefine __LONG_DOUBLE_128__ as expected"
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#endif
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long double foobar (long double x) { return x; }
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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libc_cv_mlong_double_128=yes
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else
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libc_cv_mlong_double_128=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: $libc_cv_mlong_double_128" >&5
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$as_echo "$libc_cv_mlong_double_128" >&6; }
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if test "$libc_cv_mlong_double_128" = no; then
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as_fn_error $? "this configuration requires -mlong-double-128 support" "$LINENO" 5
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fi
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