https://bugs.gentoo.org/665378
--- a/configure.ac
+++ b/configure.ac
@@ -2368,9 +2368,9 @@ case "X-$SYMBOLS" in
     AC_MSG_RESULT([yes])
     ;;
   X-no)
-    H5_CFLAGS="$H5_CFLAGS $NO_SYMBOLS_CFLAGS"
-    H5_CXXFLAGS="$H5_CXXFLAGS $NO_SYMBOLS_CXXFLAGS"
-    H5_FCFLAGS="$H5_FCFLAGS $NO_SYMBOLS_FCFLAGS"
+    H5_CFLAGS="$H5_CFLAGS"
+    H5_CXXFLAGS="$H5_CXXFLAGS"
+    H5_FCFLAGS="$H5_FCFLAGS"
     AC_MSG_RESULT([no])
     ;;
   *)