forked from Mirrors/wine-wine
configure: Workaround for clang not reporting an error on unknown options.
Alexandre Julliard
parent
debd62cf9f
commit
7f810293b7
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@ -12353,6 +12353,32 @@ fi
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$as_echo "$ac_cv_cflags__fno_strict_aliasing" >&6; }
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if test $ac_cv_cflags__fno_strict_aliasing = yes; then :
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EXTRACFLAGS="$EXTRACFLAGS -fno-strict-aliasing"
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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 $ac_cv_cflags__Werror_unknown_warning_option = yes; then :
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CFLAGS="$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 -Wdeclaration-after-statement" >&5
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$as_echo_n "checking whether the compiler supports -Wdeclaration-after-statement... " >&6; }
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@ -12530,6 +12556,117 @@ if test $ac_cv_cflags__Wwrite_strings = yes; then :
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EXTRACFLAGS="$EXTRACFLAGS -Wwrite-strings"
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wpointer-arith" >&5
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$as_echo_n "checking whether the compiler supports -Wpointer-arith... " >&6; }
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if ${ac_cv_cflags__Wpointer_arith+:} false; then :
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$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 -Wpointer-arith"
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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__Wpointer_arith=yes
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else
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ac_cv_cflags__Wpointer_arith=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: $ac_cv_cflags__Wpointer_arith" >&5
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$as_echo "$ac_cv_cflags__Wpointer_arith" >&6; }
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if test $ac_cv_cflags__Wpointer_arith = yes; then :
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saved_string_h_CFLAGS=$CFLAGS
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CFLAGS="$CFLAGS -Wpointer-arith -Werror"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken string.h that generates warnings with -Wpointer-arith" >&5
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$as_echo_n "checking for broken string.h that generates warnings with -Wpointer-arith... " >&6; }
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if ${ac_cv_c_string_h_warnings+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <string.h>
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_c_string_h_warnings=no
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else
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ac_cv_c_string_h_warnings=yes
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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: $ac_cv_c_string_h_warnings" >&5
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$as_echo "$ac_cv_c_string_h_warnings" >&6; }
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test "$ac_cv_c_string_h_warnings" = yes || EXTRACFLAGS="$EXTRACFLAGS -Wpointer-arith"
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CFLAGS=$saved_string_h_CFLAGS
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Wlogical-op" >&5
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$as_echo_n "checking whether the compiler supports -Wlogical-op... " >&6; }
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if ${ac_cv_cflags__Wlogical_op+:} false; then :
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$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 -Wlogical-op"
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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__Wlogical_op=yes
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else
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ac_cv_cflags__Wlogical_op=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: $ac_cv_cflags__Wlogical_op" >&5
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$as_echo "$ac_cv_cflags__Wlogical_op" >&6; }
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if test $ac_cv_cflags__Wlogical_op = yes; then :
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saved_string_h_CFLAGS=$CFLAGS
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CFLAGS="$CFLAGS -Wlogical-op -Werror"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken string.h that generates warnings with -Wlogical-op" >&5
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$as_echo_n "checking for broken string.h that generates warnings with -Wlogical-op... " >&6; }
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if ${ac_cv_c_logicalop_noisy+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <string.h>
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char*f(const char *h,char n) {return strchr(h,n);}
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_c_logicalop_noisy=no
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else
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ac_cv_c_logicalop_noisy=yes
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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: $ac_cv_c_logicalop_noisy" >&5
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$as_echo "$ac_cv_c_logicalop_noisy" >&6; }
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CFLAGS=$saved_string_h_CFLAGS
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test "$ac_cv_c_logicalop_noisy" = yes || EXTRACFLAGS="$EXTRACFLAGS -Wlogical-op"
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fi
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CFLAGS=$saved_CFLAGS
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for ac_flag in $CFLAGS; do
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case $ac_flag in
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-g) case $host_os in
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@ -12668,72 +12805,6 @@ if test $ac_cv_cflags__Wno_format = yes; then :
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fi ;;
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esac
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Wpointer-arith -Werror"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken string.h that generates warnings with -Wpointer-arith" >&5
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$as_echo_n "checking for broken string.h that generates warnings with -Wpointer-arith... " >&6; }
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if ${ac_cv_c_string_h_warnings+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <string.h>
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int
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main ()
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{
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_c_string_h_warnings=no
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else
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ac_cv_c_string_h_warnings=yes
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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: $ac_cv_c_string_h_warnings" >&5
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$as_echo "$ac_cv_c_string_h_warnings" >&6; }
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CFLAGS="$saved_CFLAGS"
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if test "$ac_cv_c_string_h_warnings" = "no"
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then
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EXTRACFLAGS="$EXTRACFLAGS -Wpointer-arith"
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fi
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Wlogical-op -Werror"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken string.h that generates warnings with -Wlogical-op" >&5
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$as_echo_n "checking for broken string.h that generates warnings with -Wlogical-op... " >&6; }
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if ${ac_cv_c_logicalop_noisy+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <string.h>
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int
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main ()
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{
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char*f(const char *h,char n) {return strchr(h,n);}
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_compile "$LINENO"; then :
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ac_cv_c_logicalop_noisy=no
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else
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ac_cv_c_logicalop_noisy=yes
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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: $ac_cv_c_logicalop_noisy" >&5
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$as_echo "$ac_cv_c_logicalop_noisy" >&6; }
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CFLAGS="$saved_CFLAGS"
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if test "$ac_cv_c_logicalop_noisy" = "no"
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then
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EXTRACFLAGS="$EXTRACFLAGS -Wlogical-op"
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fi
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if test "x$enable_maintainer_mode" = "xyes"
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then
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports -Werror" >&5
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46
configure.ac
46
configure.ac
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@ -1770,6 +1770,9 @@ then
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dnl Check for some compiler flags
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WINE_TRY_CFLAGS([-fno-builtin],[AC_SUBST(BUILTINFLAG,"-fno-builtin")])
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WINE_TRY_CFLAGS([-fno-strict-aliasing])
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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([-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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@ -1778,6 +1781,27 @@ then
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WINE_TRY_CFLAGS([-Wunused-but-set-parameter])
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WINE_TRY_CFLAGS([-Wwrite-strings])
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dnl Check for noisy string.h
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WINE_TRY_CFLAGS([-Wpointer-arith],
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[saved_string_h_CFLAGS=$CFLAGS
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CFLAGS="$CFLAGS -Wpointer-arith -Werror"
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AC_CACHE_CHECK([for broken string.h that generates warnings with -Wpointer-arith], ac_cv_c_string_h_warnings,
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string.h>]])],[ac_cv_c_string_h_warnings=no],[ac_cv_c_string_h_warnings=yes]))
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test "$ac_cv_c_string_h_warnings" = yes || EXTRACFLAGS="$EXTRACFLAGS -Wpointer-arith"
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CFLAGS=$saved_string_h_CFLAGS])
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dnl Check for noisy string.h on logical ops
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WINE_TRY_CFLAGS([-Wlogical-op],
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[saved_string_h_CFLAGS=$CFLAGS
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CFLAGS="$CFLAGS -Wlogical-op -Werror"
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AC_CACHE_CHECK([for broken string.h that generates warnings with -Wlogical-op], ac_cv_c_logicalop_noisy,
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string.h>
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char*f(const char *h,char n) {return strchr(h,n);}]])],[ac_cv_c_logicalop_noisy=no],[ac_cv_c_logicalop_noisy=yes]))
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CFLAGS=$saved_string_h_CFLAGS
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test "$ac_cv_c_logicalop_noisy" = yes || EXTRACFLAGS="$EXTRACFLAGS -Wlogical-op"])
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CFLAGS=$saved_CFLAGS
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dnl On Darwin, prefer stabs; everywhere else, default to dwarf-2 debug info
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for ac_flag in $CFLAGS; do
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case $ac_flag in
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@ -1799,28 +1823,6 @@ then
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x86_64-*mingw32*|x86_64-*cygwin*) WINE_TRY_CFLAGS([-Wno-format]) ;;
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esac
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dnl Check for noisy string.h
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Wpointer-arith -Werror"
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AC_CACHE_CHECK([for broken string.h that generates warnings with -Wpointer-arith], ac_cv_c_string_h_warnings,
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string.h>]], [[]])],[ac_cv_c_string_h_warnings=no],[ac_cv_c_string_h_warnings=yes]))
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CFLAGS="$saved_CFLAGS"
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if test "$ac_cv_c_string_h_warnings" = "no"
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then
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EXTRACFLAGS="$EXTRACFLAGS -Wpointer-arith"
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fi
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dnl Check for noisy string.h on logical ops
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saved_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -Wlogical-op -Werror"
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AC_CACHE_CHECK([for broken string.h that generates warnings with -Wlogical-op], ac_cv_c_logicalop_noisy,
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <string.h>]], [[char*f(const char *h,char n) {return strchr(h,n);}]])],[ac_cv_c_logicalop_noisy=no],[ac_cv_c_logicalop_noisy=yes]))
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CFLAGS="$saved_CFLAGS"
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if test "$ac_cv_c_logicalop_noisy" = "no"
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then
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EXTRACFLAGS="$EXTRACFLAGS -Wlogical-op"
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fi
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dnl Enable -Werror for maintainer mode
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if test "x$enable_maintainer_mode" = "xyes"
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then
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