Update configure

Author: jan.nijtmans

configure

@@ -4006,8 +4006,11 @@ printf "%s\n" "$TEA_PLATFORM" >&6; }
 
     # The BUILD_$pkg is to define the correct extern storage class
     # handling when making this package
+    # To be able to sefely use the package name in a #define, it must not
+    # contain anything other than alphanumeric characters and underscores
+    SAFE_PKG_NAME=thread
 
-printf "%s\n" "#define BUILD_${PACKAGE_NAME} /**/" >>confdefs.h
+printf "%s\n" "#define BUILD_${SAFE_PKG_NAME} /**/" >>confdefs.h
 
     # Do this here as we have fully defined TEA_PLATFORM now
     if test "${TEA_PLATFORM}" = "windows" ; then
@@ -9309,7 +9312,7 @@ printf "%s\n" "#define TK_MAJOR_VERSION 8" >>confdefs.h
 	    fi
 	    SHLIB_LD_LIBS="${SHLIB_LD_LIBS} \"`${CYGPATH} ${TCL_BIN_DIR}/${TCL_STUB_LIB_FILE}`\""
 	    if test "$GCC" = "yes"; then
-		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -static-libgcc"
+		SHLIB_LD_LIBS="${SHLIB_LD_LIBS} -static-libgcc -Wl,--disable-high-entropy-va"
 	    fi
 	    eval eval "PKG_LIB_FILE8=${PACKAGE_LIB_PREFIX8}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"
 	    eval eval "PKG_LIB_FILE9=${PACKAGE_LIB_PREFIX9}${PACKAGE_NAME}${SHARED_LIB_SUFFIX}"