--- vdr-plugin-osd2web-0.2.54/Make.config.orig	2020-09-13 13:24:15.790663741 +0200
+++ vdr-plugin-osd2web-0.2.54/Make.config	2020-09-13 13:25:12.448692331 +0200
@@ -32,9 +32,9 @@
   CXXFLAGS += -O3
 endif
 
-CFLAGS += -pthread -fPIC -std=c++17 -Wall -Wreturn-type -Wformat -pedantic -Wunused-variable -Wunused-label \
-          -Wunused-value -Wunused-function -Wno-long-long -Wno-unused-parameter \
-          -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
+CFLAGS += @@OPTFLAGS \
+          -fPIC -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 \
+          -std=c++11 -D__STDC_FORMAT_MACROS
 
 
 ifdef USE_CLANG