--- wmforkplop-0.9.3/configure.ac.cflags 2017-09-04 20:07:34.667120180 +0200 +++ wmforkplop-0.9.3/configure.ac 2017-09-04 20:09:32.432478099 +0200 @@ -23,7 +23,7 @@ if test x$GCC = xyes; then - CFLAGS="-O3 -fomit-frame-pointer -ffast-math -Wall -W"; + CFLAGS="$CFLAGS -O3 -fomit-frame-pointer -ffast-math -Wall -W"; fi dnl check for X