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dnl Author: Maurice Castro
dnl type_t_check(type, filename)
AC_DEFUN(AC_TYPE_T_CHECK,
[AC_CACHE_CHECK(for $1 in $2, ac_cv_have_$1_$3,
AC_EGREP_HEADER($1, $2, ac_cv_have_$1_$3=yes, ac_cv_have_$1_$3=no))
if test $ac_cv_have_$1_$3 = yes ; then
AC_DEFINE(HAVE_$1)
AC_DEFINE(NEED_$3)
fi
]) dnl
dnl struct_check(struct, filename)
AC_DEFUN(AC_STRUCT_CHECK,
[AC_CACHE_CHECK(for $1{} in $2, ac_cv_have_$1_$3,
AC_EGREP_HEADER(struct.*$1, $2, ac_cv_have_$1_$3=yes, ac_cv_have_$1_$3=no))
if test ${ac_cv_have_$1_$3} = yes ; then
AC_DEFINE(HAVE_$1)
AC_DEFINE(NEED_$3)
fi
]) dnl
dnl define_check(define, filename, filesymbol)
AC_DEFUN(AC_DEFINE_CHECK,
[AC_CACHE_CHECK(for $1 in $2, ac_cv_have_$1_$3,
AC_EGREP_CPP(yes, [
# include <$2>
# ifdef $1
yes
# endif]
, ac_cv_have_$1_$3=yes, ac_cv_have_$1_$3=no))
if test $ac_cv_have_$1_$3 = yes ; then
AC_DEFINE(HAVE_$1)
AC_DEFINE(NEED_$3)
fi
]) dnl
dnl type_base(symbol, bytes)
dnl note when cross compiling returns common values for 1999 Unix systems
AC_DEFUN(AC_CHECK_SIZES,
[AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(long long, 8)
]) dnl
AC_DEFUN(AC_TYPE_BASE,
[AC_REQUIRE([AC_CHECK_SIZES])
if test $ac_cv_sizeof_char = $2 ; then
AC_DEFINE($1, char)
fi
if test $ac_cv_sizeof_short = $2 ; then
AC_DEFINE($1, short)
fi
if test $ac_cv_sizeof_int = $2 ; then
AC_DEFINE($1, int)
fi
if test $ac_cv_sizeof_long = $2 ; then
AC_DEFINE($1, long)
fi
if test $ac_cv_sizeof_long_long = $2 ; then
AC_DEFINE($1, long long)
fi
]) dnl
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