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[heimdal.git] / cf / have-struct-field.m4
bloba31187aec9ffaa002be12c05070429b540a1d827
1 dnl $Id$
2 dnl
3 dnl check for fields in a structure
4 dnl
5 dnl AC_HAVE_STRUCT_FIELD(struct, field, headers)
7 AC_DEFUN([AC_HAVE_STRUCT_FIELD], [
8 define(cache_val, translit(ac_cv_type_$1_$2, [A-Z ], [a-z_]))
9 AC_CACHE_CHECK([for $2 in $1], cache_val,[
10 AC_TRY_COMPILE([$3],[$1 x; x.$2;],
11 cache_val=yes,
12 cache_val=no)])
13 if test "$cache_val" = yes; then
14         define(foo, translit(HAVE_$1_$2, [a-z ], [A-Z_]))
15         AC_DEFINE(foo, 1, [Define if $1 has field $2.])
16         undefine([foo])
18 undefine([cache_val])