8081692: Configure should verify that -fstack-protector is valid

Reviewed-by: erikj

common/autoconf/flags.m4

@@ -338,14 +338,16 @@ AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
       # no adjustment
       ;;
     slowdebug )
-      # Add runtime stack smashing and undefined behavior checks
-      CFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
-      CXXFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
+      # Add runtime stack smashing and undefined behavior checks.
+      # Not all versions of gcc support -fstack-protector
+      STACK_PROTECTOR_CFLAG="-fstack-protector-all"
+      FLAGS_COMPILER_CHECK_ARGUMENTS([$STACK_PROTECTOR_CFLAG], [], [STACK_PROTECTOR_CFLAG=""])
+
+      CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
+      CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
       ;;
     esac
   fi
-  AC_SUBST(CFLAGS_DEBUG_OPTIONS)
-  AC_SUBST(CXXFLAGS_DEBUG_OPTIONS)
 
   # Optimization levels
   if test "x$TOOLCHAIN_TYPE" = xsolstudio; then

common/autoconf/generated-configure.sh

@@ -718,8 +718,6 @@ C_O_FLAG_DEBUG
 C_O_FLAG_NORM
 C_O_FLAG_HI
 C_O_FLAG_HIGHEST
-CXXFLAGS_DEBUG_OPTIONS
-CFLAGS_DEBUG_OPTIONS
 CXXFLAGS_DEBUG_SYMBOLS
 CFLAGS_DEBUG_SYMBOLS
 CXX_FLAG_DEPS
@@ -4366,7 +4364,7 @@ VS_SDK_PLATFORM_NAME_2013=
 #CUSTOM_AUTOCONF_INCLUDE
 
 # Do not change or remove the following line, it is needed for consistency checks:
-DATE_WHEN_GENERATED=1432629750
+DATE_WHEN_GENERATED=1433337614
 
 ###############################################################################
 #
@@ -41837,14 +41835,80 @@ $as_echo "$ac_cv_c_bigendian" >&6; }
       # no adjustment
       ;;
     slowdebug )
-      # Add runtime stack smashing and undefined behavior checks
-      CFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
-      CXXFLAGS_DEBUG_OPTIONS="-fstack-protector-all --param ssp-buffer-size=1"
-      ;;
-    esac
+      # Add runtime stack smashing and undefined behavior checks.
+      # Not all versions of gcc support -fstack-protector
+      STACK_PROTECTOR_CFLAG="-fstack-protector-all"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports \"$STACK_PROTECTOR_CFLAG\"" >&5
+$as_echo_n "checking if compiler supports \"$STACK_PROTECTOR_CFLAG\"... " >&6; }
+  supports=yes
+
+  saved_cflags="$CFLAGS"
+  CFLAGS="$CFLAGS $STACK_PROTECTOR_CFLAG"
+  ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int i;
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+
+else
+  supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  CFLAGS="$saved_cflags"
+
+  saved_cxxflags="$CXXFLAGS"
+  CXXFLAGS="$CXXFLAG $STACK_PROTECTOR_CFLAG"
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+int i;
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"; then :
+
+else
+  supports=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  ac_ext=cpp
+ac_cpp='$CXXCPP $CPPFLAGS'
+ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
+
+  CXXFLAGS="$saved_cxxflags"
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $supports" >&5
+$as_echo "$supports" >&6; }
+  if test "x$supports" = "xyes" ; then
+    :
+  else
+    STACK_PROTECTOR_CFLAG=""
   fi
 
 
+      CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
+      CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
+      ;;
+    esac
+  fi
 
   # Optimization levels
   if test "x$TOOLCHAIN_TYPE" = xsolstudio; then