--- configure.orig 2017-04-26 10:10:42.000000000 +0200 +++ configure 2017-04-26 10:10:56.000000000 +0200 @@ -20828,7 +20828,7 @@ rm -f core conftest.err conftest.$ac_obj common_flags="-Wcast-align -Wcast-qual -Wshadow -Wwrite-strings -Wundef -Wuninitialized -Winit-self" # -Winline -Wconversion " - CFLAGS="$CFLAGS $common_flags -Wbad-function-cast -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Waggregate-return -Wvla" + CFLAGS="$CFLAGS $common_flags -Wbad-function-cast -Wnested-externs -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Waggregate-return" CXXFLAGS="$CXXFLAGS $common_flags -Wctor-dtor-privacy -Wnon-virtual-dtor -Woverloaded-virtual -Wreorder -Wsign-promo" if test "x$enable_gcc_opt" = "xno" ; then