#serial 18 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]) AC_REQUIRE([AC_HEADER_TIME]) headers=' #include #if HAVE_STRING_H # if !STDC_HEADERS && HAVE_MEMORY_H # include # endif # include #else # if HAVE_STRINGS_H # include # endif #endif #if HAVE_STDLIB_H # include #endif #if HAVE_UNISTD_H # include #endif #include #if TIME_WITH_SYS_TIME # include # include #else # if HAVE_SYS_TIME_H # include # else # include # endif #endif #if HAVE_UTMP_H # include #endif #if HAVE_GRP_H # include #endif #if HAVE_PWD_H # include #endif ' AC_CHECK_DECLS([ free, getenv, geteuid, getgrgid, getlogin, getpwuid, getuid, getutent, lseek, malloc, memchr, memrchr, nanosleep, realloc, stpcpy, strndup, strnlen, strstr, strtoul, strtoull, ttyname], , , $headers) ]) 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(grp.h memory.h pwd.h string.h strings.h stdlib.h \ unistd.h sys/time.h utmp.h utmpx.h) ])