Merge pull request #2 from MishimaHaruna/fsanitize

Split -fsanitize checks into multiple steps

1 files changed, 750 insertions, 33 deletions

diff --git a/configure b/configure
index 1db181e46..3e0c4746c 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in 5c1d773.
+# From configure.in f5ed898.
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.69.
 #
@@ -1357,7 +1357,8 @@ Optional Features:
                           is enabled by default)
   --enable-static         Enables or Disables Statick Linking (STATIC is
                           disabled by default)
-  --enable-sanitize[=ARG] Sanitize: yes, no, full)
+  --enable-sanitize[=ARG] Enables sanitizer. (disabled by default) (available
+                          options: yes, no, full)
   --disable-renewal       Disable Ragnarok Renewal support (override settings
                           in src/config/renewal.h)
 
@@ -5055,63 +5056,779 @@ fi
 fi
 
 
+
 #
 # sanitize Support test
 #
 if test "$enable_sanitize" != "no" ; then
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=address" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=address... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=address"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=address" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=address... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
 	if test "$enable_sanitize" == "full" ; then
-	# skipped because server have multiply issues -fsanitize=alignment
-		SAN="-fsanitize=address \
--fsanitize=shift -fsanitize=integer-divide-by-zero -fsanitize=unreachable \
--fsanitize=vla-bound -fsanitize=null -fsanitize=return \
--fsanitize=signed-integer-overflow -fsanitize=bounds \
--fsanitize=object-size -fsanitize=float-divide-by-zero -fsanitize=float-cast-overflow \
--fsanitize=nonnull-attribute -fsanitize=returns-nonnull-attribute -fsanitize=bool \
--fsanitize=enum -fsanitize=vptr"
-	else
-		SAN="-fsanitize=address"
-	fi
+		# skipped because server have multiple issues -fsanitize=alignment
 
-	OLD_CFLAGS="$CFLAGS"
-	CFLAGS="$CFLAGS $SAN"
-	OLD_LDFLAGS="$LDFLAGS"
-	LDFLAGS="$LDFLAGS $SAN"
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=shift" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=shift... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=shift"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
 
-	{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports $SAN" >&5
-$as_echo_n "checking whether $CC supports $SAN... " >&6; }
-	if test "$cross_compiling" = yes; then :
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: guessing no" >&5
-$as_echo "guessing no" >&6; }
+else
 
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=shift" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=shift... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
 
 else
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=integer-divide-by-zero" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=integer-divide-by-zero... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=integer-divide-by-zero"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
 
-			int main(int argc, char **argv){
-				return 0;
-			}
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
 
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=integer-divide-by-zero" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=integer-divide-by-zero... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
 _ACEOF
-if ac_fn_c_try_run "$LINENO"; then :
+if ac_fn_c_try_compile "$LINENO"; then :
 
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
 
 else
 
-			{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-			CFLAGS="$OLD_CFLAGS"
-			LDFLAGS="$OLD_LDFLAGS"
+						CFLAGS="$OLD_CFLAGS"
+
 
 fi
-rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=unreachable" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=unreachable... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=unreachable"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=unreachable" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=unreachable... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=vla-bound" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=vla-bound... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=vla-bound"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=vla-bound" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=vla-bound... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=null" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=null... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=null"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=null" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=null... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=return" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=return... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=return"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=return" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=return... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=signed-integer-overflow" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=signed-integer-overflow... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=signed-integer-overflow"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=signed-integer-overflow" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=signed-integer-overflow... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=bounds" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=bounds... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=bounds"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bounds" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bounds... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=object-size" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=object-size... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=object-size"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=object-size" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=object-size... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=float-divide-by-zero" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=float-divide-by-zero... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=float-divide-by-zero"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=float-divide-by-zero" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=float-divide-by-zero... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
 fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=float-cast-overflow" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=float-cast-overflow... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=float-cast-overflow"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
 
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=float-cast-overflow" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=float-cast-overflow... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=nonnull-attribute" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=nonnull-attribute... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=nonnull-attribute"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=nonnull-attribute" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=nonnull-attribute... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
 
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=returns-nonnull-attribute" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=returns-nonnull-attribute... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=returns-nonnull-attribute"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=returns-nonnull-attribute" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=returns-nonnull-attribute... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=bool" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=bool... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=bool"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bool" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=bool... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=enum" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=enum... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=enum"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=enum" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=enum... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+
+		{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC supports -fsanitize=vptr" >&5
+$as_echo_n "checking whether $CC supports -fsanitize=vptr... " >&6; }
+		OLD_CFLAGS="$CFLAGS"
+		CFLAGS="$CFLAGS -fsanitize=vptr"
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+
+				{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=vptr" >&5
+$as_echo_n "checking whether $CC requires -fsanitize-undefined-trap-on-error for -fsanitize=vptr... " >&6; }
+				CFLAGS="$CFLAGS -fsanitize-undefined-trap-on-error"
+				cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int foo;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+$as_echo "yes" >&6; }
+
+else
+
+						{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+						CFLAGS="$OLD_CFLAGS"
+
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+
+
+	fi
 fi