Greetings,
this is my first post here and I was wonder what the proper use of
AC_DEFAULT_INCLUDES is supposed to be (using autoconf 2.59 in case
it matters). Which of the following is correct:
1) I should blindly put AC_DEFAULT_INCLUDES in my configure.ac and then
put the following boilerplate, lifted from the docs, in my .c files:
#include <stdio.h>
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#if HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#if STDC_HEADERS
# include <stdlib.h>
# include <stddef.h>
#else
# if HAVE_STDLIB_H
# include <stdlib.h>
# endif
#endif
#if HAVE_STRING_H
# if !STDC_HEADERS && HAVE_MEMORY_H
# include <memory.h>
# endif
# include <string.h>
#endif
#if HAVE_STRINGS_H
# include <strings.h>
#endif
#if HAVE_INTTYPES_H
# include <inttypes.h>
#else
# if HAVE_STDINT_H
# include <stdint.h>
# endif
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
2) I should blindly put AC_DEFAULT_INCLUDES in my configure.ac and then
put just snippets of the above boilerplate where I need them, according
to the header I am including (I doubt this, but still)
3) I should blindly put AC_DEFAULT_INCLUDES in my configure.ac and this
will just have the effect of including the above
4) I should not normally need to put AC_DEFAULT_INCLUDES in my
configure.ac, it is there only in case I want to change the set of
includes other tests use.
Please note that this question is more of a documentation clarification
question than anything else; I am interested in what is supposed to
happen and in the intent behind the macro. It might just be that the
language in the documentation does not resonate with a non-native
English speaker.
Thank you for your consideration,
Davide Bolcioni
--
There is no place like /home.
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