cf/prog-cc-flags.m4

   1 dnl
   2 dnl $Id$
   3 dnl
   4
   5 AC_DEFUN([AC_PROG_CC_FLAGS], [
   6 AC_REQUIRE([AC_PROG_CC])dnl
   7 AC_MSG_CHECKING(for $CC warning options)
   8 if test "$GCC" = "yes"; then
   9 dnl -Wbad-function-cast (is probably not useful)
  10   extra_flags="-Wall -Wmissing-prototypes -Wpointer-arith -Wmissing-declarations -Wnested-externs"
  11   CFLAGS="$CFLAGS $extra_flags"
  12   AC_MSG_RESULT($extra_flags)
  13 else
  14   AC_MSG_RESULT(none)
  15 fi
  16 ])