Files
heimdal/cf/have-struct-field.m4
Johan Danielsson c8f892953b correct some AC_LANG_SOURCE/AC_LANG_PROGRAM snafu
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@14166 ec53bebd-3082-4978-b11e-865c3cabbd6b
2004-08-26 12:35:42 +00:00

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516 B
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dnl $Id$
dnl
dnl check for fields in a structure
dnl
dnl AC_HAVE_STRUCT_FIELD(struct, field, headers)
AC_DEFUN([AC_HAVE_STRUCT_FIELD], [
define(cache_val, translit(ac_cv_type_$1_$2, [A-Z ], [a-z_]))
AC_CACHE_CHECK([for $2 in $1], cache_val,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[$3]],[[$1 x; x.$2]])],
[cache_val=yes],
[cache_val=no])])
if test "$cache_val" = yes; then
define(foo, translit(HAVE_$1_$2, [a-z ], [A-Z_]))
AC_DEFINE(foo, 1, [Define if $1 has field $2.])
undefine([foo])
fi
undefine([cache_val])
])