On Wednesday 13 February 2008, Ralf Wildenhues wrote: > * Mike Frysinger wrote on Wed, Feb 13, 2008 at 05:38:05AM CET: > > the argz.m4 header checks to see if error_t is defined, but only does so > > by including the argz.h header. if you try to build on a system that > > does provide error_t, but not argz.h, the argz replacement module fails > > to build. on glibc systems, error_t is defined in errno.h. perhaps the > > gl_FUNC_ARGZ should be checking to see if errno.h exists and if so, > > including it. > > I don't quite understand. If gl_FUNC_ARGZ finds that error_t is not > defined, it defines __error_t_defined in addition to error_t.
this must be a semi-recent addition then ... the package i'm looking at does
not do that ... here is the snippet from naim:
# AC_LTDL_FUNC_ARGZ
# -----------------
AC_DEFUN([AC_LTDL_FUNC_ARGZ],
[AC_CHECK_HEADERS([argz.h])
AC_CHECK_TYPES([error_t],
[],
[AC_DEFINE([error_t], [int],
[Define to a type to use for `error_t' if it is not otherwise
available.])],
[#if HAVE_ARGZ_H
# include <argz.h>
#endif])
since it wasnt defining __error_t_defined, errno.h fell apart due to the
error_t duplication.
> This should keep your errno.h header from defining error_t.
shouldnt errno.h also be checked for the error_t type since that is where it
actually gets defined ?
-mike
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