AM_PROG_CC_C_O
dnl Use -v and some other options with SunStudio cc.
-case `cc -V` in
- cc:\ Sun\ C*) CFLAGS="${CFLAGS:+$CFLAGS }-v -errtags=yes"
- CFLAGS="${CFLAGS} -erroff=E_STATEMENT_NOT_REACHED" ;;
-esac
+dnl case `cc -V` in
+dnl cc:\ Sun\ C*) CFLAGS="${CFLAGS:+$CFLAGS }-v -errtags=yes"
+dnl CFLAGS="${CFLAGS} -erroff=E_STATEMENT_NOT_REACHED" ;;
+dnl esac
AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
[nmh_saved_cflags="$CFLAGS"