File: acinclude.m4

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dnl @synopsis AC_CHECK_CC_OPT(flag, ifyes, ifno)
dnl 
dnl Shows a message as like "checking whether gcc accepts flag ... no"
dnl and executes ifyes or ifno.

AC_DEFUN([AC_CHECK_CC_OPT],
[
AC_MSG_CHECKING([whether ${CC-cc} accepts $1])
echo 'void f(){}' > conftest.c
if test -z "`${CC-cc} -c $1 conftest.c 2>&1`"; then
  AC_MSG_RESULT([yes])
  $2
else
  AC_MSG_RESULT([no])
  $3
fi
rm -f conftest*
])