--- vdr-plugin-osd2web-0.2.48/Make.config.orig	2018-11-07 22:57:13.260539078 +0100
+++ vdr-plugin-osd2web-0.2.48/Make.config	2018-11-07 22:59:38.788808926 +0100
@@ -32,12 +32,9 @@
   CXXFLAGS += -O3
 endif
 
-CXXFLAGS   += -fPIC -Wreturn-type -Wall -Wextra -Wno-unused-parameter -Wformat -pedantic \
-              -Wno-variadic-macros -Wunused-variable -Wunused-label -Wno-unused-result \
-              -Wunused-value -Wunused-function -Wunused-local-typedefs \
-              -Wparentheses -Werror=overloaded-virtual \
-              -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64
-CXXFLAGS   += -std=c++11 -D__STDC_FORMAT_MACROS
+CFLAGS += @@OPTFLAGS \
+          -fPIC -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 \
+          -std=c++11 -D__STDC_FORMAT_MACROS
 
 ifdef USE_CLANG
   CXXFLAGS += -x c++ -Wunused-const-variable