From da3301f01f2f654ea68409fb6155e88c74790dd8 Mon Sep 17 00:00:00 2001
From: Robert James Kaes <rjkaes@users.sourceforge.net>
Date: Tue, 12 Sep 2000 00:20:23 +0000
Subject: A M4 macro for finding the various types on the system (typedefs,
 etc.)

---
 acinclude.m4 | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 acinclude.m4

diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..5c9f662
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,102 @@
+dnl Taken from Unix Network Programming, W. Richard Stevens
+
+dnl ##################################################################
+dnl We cannot use the AC_CHECK_TYPE macros becasue AC_CHECK_TYPE
+dnl #includes only <sys/types.h>, <stdlib.h>, and <stddef.h>.
+dnl Unfortunately, many implementations today hide typedefs in wierd
+dnl locations: Solaris 2.5.1 has uint8_t and uint32_t in <pthread.h>.
+dnl SunOS 4.1.x has int8_t in <sys/bittypes.h>.
+dnl So we define our own macro AC_UNP_CHECK_TYPE that does the same
+dnl #includes as "unp.h", and then looks for the typedef.
+dnl
+dnl This macro should be invoked after all the header checks have been
+dnl performed, since we #include "confdefs.h" below, and then use the
+dnl HAVE_foo_H values that is can #define.
+dnl
+AC_DEFUN(AC_UNP_CHECK_TYPE,
+	[AC_MSG_CHECKING(if $1 defined)
+	AC_CACHE_VAL(ac_cv_type_$1,
+		AC_TRY_COMPILE(
+[
+#include	"confdefs.h"	/* the header built by configure so far */
+#ifdef	HAVE_SYS_TYPES_H
+#  include	<sys/types.h>
+#endif
+#ifdef	HAVE_SYS_SOCKET_H
+#  include	<sys/socket.h>
+#endif
+#ifdef	HAVE_SYS_TIME_H
+#  include	<sys/time.h>
+#endif
+#ifdef	HAVE_NETINET_IN_H
+#  include	<netinet/in.h>
+#endif
+#ifdef	HAVE_ARPA_INET_H
+#  include	<arpa/inet.h>
+#endif
+#ifdef	HAVE_ERRNO_H
+#  include	<errno.h>
+#endif
+#ifdef	HAVE_FCNTL_H
+#  include	<fcntl.h>
+#endif
+#ifdef	HAVE_NETDB_H
+#  include	<netdb.h>
+#endif
+#ifdef	HAVE_SIGNAL_H
+#  include	<signal.h>
+#endif
+#ifdef	HAVE_STDIO_H
+#  include	<stdio.h>
+#endif
+#ifdef	HAVE_STDLIB_H
+#  include	<stdlib.h>
+#endif
+#ifdef	HAVE_STRING_H
+#  include	<string.h>
+#endif
+#ifdef	HAVE_SYS_STAT_H
+#  include	<sys/stat.h>
+#endif
+#ifdef	HAVE_SYS_UIO_H
+#  include	<sys/uio.h>
+#endif
+#ifdef	HAVE_UNISTD_H
+#  include	<unistd.h>
+#endif
+#ifdef	HAVE_SYS_WAIT_H
+#  include	<sys/wait.h>
+#endif
+#ifdef	HAVE_SYS_UN_H
+#  include	<sys/un.h>
+#endif
+#ifdef	HAVE_SYS_SELECT_H
+#  include	<sys/select.h>
+#endif
+#ifdef	HAVE_STRINGS_H
+#  include	<strings.h>
+#endif
+#ifdef	HAVE_SYS_IOCTL_H
+#  include	<sys/ioctl.h>
+#endif
+#ifdef	HAVE_SYS_FILIO_H
+#  include	<sys/filio.h>
+#endif
+#ifdef	HAVE_SYS_SOCKIO_H
+#  include	<sys/sockio.h>
+#endif
+#ifdef	HAVE_PTHREAD_H
+#  include	<pthread.h>
+#endif
+#ifdef  HAVE_STDINT_H
+#  include	<stdint.h>
+#endif
+],
+		[ $1 foo ],
+		ac_cv_type_$1=yes,
+		ac_cv_type_$1=no))
+	AC_MSG_RESULT($ac_cv_type_$1)
+	if test $ac_cv_type_$1 = no ; then
+		AC_DEFINE($1, $2)
+	fi
+])
\ No newline at end of file
-- 
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