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#serial 6
dnl This is just a wrapper function to encapsulate this kludge.
dnl Putting it in a separate file like this helps share it between
dnl different packages.
AC_DEFUN(jm_CHECK_DECLS,
[
AC_REQUIRE([_jm_DECL_HEADERS])
headers='
#include <stdio.h>
#if HAVE_STRING_H
# if !STDC_HEADERS && HAVE_MEMORY_H
# include <memory.h>
# endif
# include <string.h>
#else
# if HAVE_STRINGS_H
# include <strings.h>
# endif
#endif
#if HAVE_STDLIB_H
# include <stdlib.h>
#endif
#if HAVE_UNISTD_H
# include <unistd.h>
#endif
'
if test x = y; then
dnl This code is deliberately never run via ./configure.
dnl FIXME: this is a gross hack to make autoheader put entries
dnl for each of these symbols in the config.h.in.
dnl Otherwise, I'd have to update acconfig.h every time I change
dnl this list of functions.
AC_DEFINE(HAVE_DECL_FREE, 1, [Define if this function is declared.])
AC_DEFINE(HAVE_DECL_LSEEK, 1, [Define if this function is declared.])
AC_DEFINE(HAVE_DECL_MALLOC, 1, [Define if this function is declared.])
AC_DEFINE(HAVE_DECL_MEMCHR, 1, [Define if this function is declared.])
AC_DEFINE(HAVE_DECL_REALLOC, 1, [Define if this function is declared.])
AC_DEFINE(HAVE_DECL_STPCPY, 1, [Define if this function is declared.])
AC_DEFINE(HAVE_DECL_STRSTR, 1, [Define if this function is declared.])
AC_DEFINE(HAVE_DECL_STRTOUL, 1, [Define if this function is declared.])
AC_DEFINE(HAVE_DECL_STRTOULL, 1, [Define if this function is declared.])
fi
jm_CHECK_DECLARATIONS($headers, free lseek malloc \
memchr realloc stpcpy strstr strtoul strtoull)
])
dnl FIXME: when autoconf has support for it.
dnl This is a little helper so we can require these header checks.
AC_DEFUN(_jm_DECL_HEADERS,
[
AC_REQUIRE([AC_HEADER_STDC])
AC_CHECK_HEADERS(memory.h string.h strings.h stdlib.h unistd.h)
])
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