configure: Disable gcc control flow protection.
Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=48161 Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -16875,6 +16875,31 @@ $as_echo "$ac_cv_c_gcc_strength_bug" >&6; }
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EXTRACFLAGS="$EXTRACFLAGS -fno-strength-reduce"
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EXTRACFLAGS="$EXTRACFLAGS -fno-strength-reduce"
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fcf-protection=none" >&5
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$as_echo_n "checking whether the compiler supports -fcf-protection=none... " >&6; }
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if ${ac_cv_cflags__fcf_protection_none+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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ac_wine_try_cflags_saved=$CFLAGS
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CFLAGS="$CFLAGS -fcf-protection=none"
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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int main(int argc, char **argv) { return 0; }
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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ac_cv_cflags__fcf_protection_none=yes
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else
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ac_cv_cflags__fcf_protection_none=no
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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CFLAGS=$ac_wine_try_cflags_saved
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cflags__fcf_protection_none" >&5
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$as_echo "$ac_cv_cflags__fcf_protection_none" >&6; }
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if test "x$ac_cv_cflags__fcf_protection_none" = xyes; then :
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EXTRACFLAGS="$EXTRACFLAGS -fcf-protection=none"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-strict-aliasing" >&5
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fno-strict-aliasing" >&5
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$as_echo_n "checking whether the compiler supports -fno-strict-aliasing... " >&6; }
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$as_echo_n "checking whether the compiler supports -fno-strict-aliasing... " >&6; }
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if ${ac_cv_cflags__fno_strict_aliasing+:} false; then :
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if ${ac_cv_cflags__fno_strict_aliasing+:} false; then :
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@ -2026,6 +2026,7 @@ then
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fi
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fi
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dnl Check for some compiler flags
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dnl Check for some compiler flags
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WINE_TRY_CFLAGS([-fcf-protection=none])
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WINE_TRY_CFLAGS([-fno-strict-aliasing])
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WINE_TRY_CFLAGS([-fno-strict-aliasing])
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WINE_TRY_CFLAGS([-fexcess-precision=standard],[AC_SUBST(EXCESS_PRECISION_CFLAGS,"-fexcess-precision=standard")])
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WINE_TRY_CFLAGS([-fexcess-precision=standard],[AC_SUBST(EXCESS_PRECISION_CFLAGS,"-fexcess-precision=standard")])
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dnl clang needs to be told to fail on unknown options
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dnl clang needs to be told to fail on unknown options
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