1dnl @synopsis AC_CHECK_CC_OPT(flag, ifyes, ifno)
2dnl
3dnl Shows a message as like "checking wether gcc accepts flag ... no"
4dnl and executess ifyes or ifno.
5
6AC_DEFUN([AC_CHECK_CC_OPT],
7[
8AC_MSG_CHECKING([whether ${CC-cc} accepts $1])
9echo 'void f(){}' > conftest.c
10if test -z "`${CC-cc} -c $1 conftest.c 2>&1`"; then
11  AC_MSG_RESULT([yes])
12  $2
13else
14  AC_MSG_RESULT([no])
15  $3
16fi
17rm -f conftest*
18])
19
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21