configure: Make Clang fail optimization arguments it doesn't care about.
Signed-off-by: Chip Davis <cdavis@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -16869,7 +16869,83 @@ if test "x${GCC}" = "xyes"
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then
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EXTRACFLAGS="-Wall -pipe"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -fcf-protection=none" >&5
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saved_CFLAGS=$CFLAGS
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=unknown-warning-option" >&5
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$as_echo_n "checking whether the compiler supports -Werror=unknown-warning-option... " >&6; }
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if ${ac_cv_cflags__Werror_unknown_warning_option+:} false; then :
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$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 -Werror=unknown-warning-option"
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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__Werror_unknown_warning_option=yes
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else
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ac_cv_cflags__Werror_unknown_warning_option=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: $ac_cv_cflags__Werror_unknown_warning_option" >&5
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$as_echo "$ac_cv_cflags__Werror_unknown_warning_option" >&6; }
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if test "x$ac_cv_cflags__Werror_unknown_warning_option" = xyes; then :
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CFLAGS="$CFLAGS -Werror=unknown-warning-option"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=unused-command-line-argument" >&5
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$as_echo_n "checking whether the compiler supports -Werror=unused-command-line-argument... " >&6; }
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if ${ac_cv_cflags__Werror_unused_command_line_argument+:} false; then :
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$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 -Werror=unused-command-line-argument"
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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__Werror_unused_command_line_argument=yes
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else
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ac_cv_cflags__Werror_unused_command_line_argument=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: $ac_cv_cflags__Werror_unused_command_line_argument" >&5
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$as_echo "$ac_cv_cflags__Werror_unused_command_line_argument" >&6; }
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if test "x$ac_cv_cflags__Werror_unused_command_line_argument" = xyes; then :
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CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=ignored-optimization-argument" >&5
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$as_echo_n "checking whether the compiler supports -Werror=ignored-optimization-argument... " >&6; }
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if ${ac_cv_cflags__Werror_ignored_optimization_argument+:} false; then :
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$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 -Werror=ignored-optimization-argument"
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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__Werror_ignored_optimization_argument=yes
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else
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ac_cv_cflags__Werror_ignored_optimization_argument=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: $ac_cv_cflags__Werror_ignored_optimization_argument" >&5
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$as_echo "$ac_cv_cflags__Werror_ignored_optimization_argument" >&6; }
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if test "x$ac_cv_cflags__Werror_ignored_optimization_argument" = xyes; then :
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CFLAGS="$CFLAGS -Werror=ignored-optimization-argument"
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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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@ -16969,57 +17045,6 @@ $as_echo "$ac_cv_cflags__fexcess_precision_standard" >&6; }
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if test "x$ac_cv_cflags__fexcess_precision_standard" = xyes; then :
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EXCESS_PRECISION_CFLAGS="-fexcess-precision=standard"
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fi
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saved_CFLAGS=$CFLAGS
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=unknown-warning-option" >&5
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$as_echo_n "checking whether the compiler supports -Werror=unknown-warning-option... " >&6; }
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if ${ac_cv_cflags__Werror_unknown_warning_option+:} false; then :
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$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 -Werror=unknown-warning-option"
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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__Werror_unknown_warning_option=yes
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else
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ac_cv_cflags__Werror_unknown_warning_option=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: $ac_cv_cflags__Werror_unknown_warning_option" >&5
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$as_echo "$ac_cv_cflags__Werror_unknown_warning_option" >&6; }
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if test "x$ac_cv_cflags__Werror_unknown_warning_option" = xyes; then :
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CFLAGS="$CFLAGS -Werror=unknown-warning-option"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror=unused-command-line-argument" >&5
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$as_echo_n "checking whether the compiler supports -Werror=unused-command-line-argument... " >&6; }
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if ${ac_cv_cflags__Werror_unused_command_line_argument+:} false; then :
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$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 -Werror=unused-command-line-argument"
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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__Werror_unused_command_line_argument=yes
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else
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ac_cv_cflags__Werror_unused_command_line_argument=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: $ac_cv_cflags__Werror_unused_command_line_argument" >&5
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$as_echo "$ac_cv_cflags__Werror_unused_command_line_argument" >&6; }
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if test "x$ac_cv_cflags__Werror_unused_command_line_argument" = xyes; then :
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CFLAGS="$CFLAGS -Werror=unused-command-line-argument"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wdeclaration-after-statement" >&5
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$as_echo_n "checking whether the compiler supports -Wdeclaration-after-statement... " >&6; }
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@ -2004,14 +2004,15 @@ then
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EXTRACFLAGS="-Wall -pipe"
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dnl Check for some compiler flags
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WINE_TRY_CFLAGS([-fcf-protection=none])
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WINE_TRY_CFLAGS([-fno-stack-protector])
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WINE_TRY_CFLAGS([-fno-strict-aliasing])
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WINE_TRY_CFLAGS([-fexcess-precision=standard],[AC_SUBST(EXCESS_PRECISION_CFLAGS,"-fexcess-precision=standard")])
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dnl clang needs to be told to fail on unknown options
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saved_CFLAGS=$CFLAGS
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WINE_TRY_CFLAGS([-Werror=unknown-warning-option],[CFLAGS="$CFLAGS -Werror=unknown-warning-option"])
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WINE_TRY_CFLAGS([-Werror=unused-command-line-argument],[CFLAGS="$CFLAGS -Werror=unused-command-line-argument"])
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WINE_TRY_CFLAGS([-Werror=ignored-optimization-argument],[CFLAGS="$CFLAGS -Werror=ignored-optimization-argument"])
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WINE_TRY_CFLAGS([-fcf-protection=none])
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WINE_TRY_CFLAGS([-fno-stack-protector])
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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([-Wdeclaration-after-statement])
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WINE_TRY_CFLAGS([-Wempty-body])
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WINE_TRY_CFLAGS([-Wignored-qualifiers])
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