12a463a4a2
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@4574 ec53bebd-3082-4978-b11e-865c3cabbd6b
31 lines
724 B
Plaintext
31 lines
724 B
Plaintext
dnl $Id$
|
|
dnl
|
|
dnl
|
|
dnl Check if a particular struct has a particular field
|
|
dnl
|
|
|
|
dnl AC_HAVE_STRUCT_FIELD(includes, struct, type, field)
|
|
AC_DEFUN(AC_HAVE_STRUCT_FIELD, [
|
|
AC_MSG_CHECKING([if $2 has a field $4])
|
|
AC_CACHE_VAL(ac_cv_struct_$2_$4, [
|
|
AC_TRY_COMPILE([$1],
|
|
[struct $2 foo; $3 bar = foo.$4; ],
|
|
eval "ac_cv_struct_$2_$4=yes",
|
|
eval "ac_cv_struct_$2_$4=no")
|
|
])
|
|
changequote(, )dnl
|
|
eval "ac_tr_var=HAVE_STRUCT_[]upcase($2)_[]upcase($4)"
|
|
changequote([, ])dnl
|
|
|
|
define([foo], [[HAVE_STRUCT_]translit($2, [a-z], [A-Z])[_]translit($4, [a-z], [A-Z])])
|
|
: << END
|
|
@@@syms="$syms foo"@@@
|
|
END
|
|
undefine([foo])
|
|
|
|
AC_MSG_RESULT($ac_cv_struct_$2_$4)
|
|
if eval "test \"\$ac_cv_struct_$2_$4\" = yes"; then
|
|
AC_DEFINE_UNQUOTED($ac_tr_var)
|
|
fi
|
|
])
|