fi
dnl Warnings are for preprocessor too
if test x$enable_warnings = xyes ; then
- AM_CPPFLAGS="$AM_CPPFLAGS -Wall -Wextra"
+ AM_CXXFLAGS="$AM_CPPFLAGS -Wall -Wextra"
dnl Shut off warning -Wdeprecated-copy, which triggers too much
dnl note that g++ always accepts -Wno-xxx, even when -Wxxx is an error.
AC_LANG_PUSH(C++)