tools/m4: bypass a time consuming configure test

SVN-Revision: 33427

tools/m4/Makefile

@@ -18,6 +18,8 @@ HOST_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/host-build.mk
 
+HOST_CONFIGURE_VARS += gl_cv_func_strstr_linear=no
+
 HOST_LDFLAGS += $(HOST_STATIC_LINKING)
 
 define Host/Clean