site logging: Break out event_log_priority

[secnet.git] / configure.in

diff --git a/configure.in b/configure.in
index ff74f20d4c5262b8eb22d44cbaf2bfa8932afadb..747d901c457c3113c08312c5bc2ebf11c2c4cf1b 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,22 +1,141 @@
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT(secnet.c)
+sinclude(ac_prog_cc_no_writeable_strings.m4)
+
+AC_INIT(secnet,0.1.18+,secnet@chiark.greenend.org.uk)
+AC_CONFIG_SRCDIR(secnet.c)
 AC_CONFIG_HEADER(config.h)
 
-AC_REVISION($Id$)
+AC_PREREQ(2.50)
+AC_REVISION($Id: configure.in,v 1.4 2002/09/09 22:05:02 steve Exp $)
 
 AC_LANG_C
 
+# If fink is on the path then it is assumed we should use it.
+AC_PATH_PROG([FINK],[fink])
+if test "x$FINK" != x; then
+  finkdir=`echo $FINK|sed 's,/[[^/]]*/[[^/]]*$,,'`
+  CPPFLAGS="-I$finkdir/include ${CPPFLAGS}"
+  LDFLAGS="-L$finkdir/lib ${LDFLAGS}"
+fi
+
 AC_PROG_MAKE_SET
 AC_PROG_CC
+AC_PROG_INSTALL
 AC_PATH_PROG(RM,rm)
 AC_STDC_HEADERS
-AC_CHECK_HEADERS(linux/if.h)
-AC_PROG_INSTALL
+AC_CHECK_HEADERS([stdint.h inttypes.h])
+AC_CHECK_HEADERS([net/if.h net/route.h])
+AC_CHECK_HEADERS([sys/socket.h])
+AC_CHECK_HEADERS([linux/if.h], [], [], 
+[#if HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+])
+AC_CHECK_HEADERS([stropts.h sys/sockio.h net/if_tun.h])
 AC_C_BIGENDIAN
+AC_CHECK_SIZEOF(unsigned long long)
+AC_CHECK_SIZEOF(unsigned long)
+AC_CHECK_SIZEOF(unsigned int)
+AC_CHECK_SIZEOF(unsigned short)
+AC_CHECK_SIZEOF(unsigned char)
+AC_PROG_CC_NO_WRITEABLE_STRINGS(WRITESTRINGS)
 
+AC_ARG_ENABLE(hacky-parallel,
+  [AS_HELP_STRING([--enable-hacky-parallel],
+                  [parallelise slow cryptography (default is no)])], [
+  case "$enableval" in
+  n|0|no) ;;
+  y|1|yes) CFLAGS="$CFLAGS -DHACKY_PARALLEL" ;;
+  *) ;;
+  esac
+])
+
+AC_DEFUN([REQUIRE_HEADER],[AC_CHECK_HEADER($1,,[AC_MSG_ERROR($1 not found)])])
+
+dnl the order in which libraries is checked is important
+dnl eg. adns on Solaris 2.5.1 depends on -lnsl and -lsocket
+AC_CHECK_LIB(gmp,mpz_init_set_str)
 AC_CHECK_LIB(gmp2,mpz_init_set_str)
+AC_CHECK_LIB(gmp,__gmpz_init_set_str)
+REQUIRE_HEADER([gmp.h])
+dnl Would love to barf if no gmp was found, but how to test? Requiring the header will do for now.
 AC_CHECK_LIB(fl,yywrap)
+if test "$ac_cv_lib_fl_yywrap" != yes; then
+  AC_MSG_ERROR([A compatible libfl is required])
+fi
+AC_CHECK_LIB(nsl,inet_ntoa)
+AC_CHECK_LIB(socket,socket)
+AC_CHECK_LIB(resolv,inet_aton)
 AC_CHECK_LIB(adns,adns_init)
+REQUIRE_HEADER([adns.h])
+
+AC_OUTPUT(Makefile,echo timestamp >stamp-h)
+
+AH_TOP([
+#ifndef _CONFIG_H
+#define _CONFIG_H
+])
+
+AH_BOTTOM([
+/* -*- c -*- */
+
+/* These used to be in config.h.bot, but are now in configure.in. */
+
+#ifdef HAVE_INTTYPES_H
+#include <inttypes.h>
+#else
+#ifdef HAVE_STDINT_H
+#include <stdint.h>
+#else
+#if SIZEOF_UNSIGNED_LONG_LONG==8
+typedef unsigned long long uint64_t;
+typedef long long int64_t;
+#elif SIZEOF_UNSIGNED_LONG==8
+typedef unsigned long uint64_t;
+typedef long int64_t;
+#else
+#error I do not know what to use for a uint64_t.
+#endif
+
+/* Give us an unsigned 32-bit data type. */
+#if SIZEOF_UNSIGNED_LONG==4
+typedef unsigned long uint32_t;
+typedef long int32_t;
+#elif SIZEOF_UNSIGNED_INT==4
+typedef unsigned int uint32_t;
+typedef int int32_t;
+#else
+#error I do not know what to use for a uint32_t.
+#endif
+
+/* An unsigned 16-bit data type. */
+#if SIZEOF_UNSIGNED_INT==2
+typedef unsigned int uint16_t;
+typedef int int16_t;
+#elif SIZEOF_UNSIGNED_SHORT==2
+typedef unsigned short uint16_t;
+typedef short int16_t;
+#else
+#error I do not know what to use for a uint16_t.
+#endif
+
+/* An unsigned 8-bit data type */
+#if SIZEOF_UNSIGNED_CHAR==1
+typedef unsigned char uint8_t;
+#else
+#error I do not know what to use for a uint8_t.
+#endif
+#endif
+#endif
+
+#ifdef __GNUC__
+#define NORETURN(_x) void _x __attribute__ ((noreturn))
+#define FORMAT(_a,_b,_c) __attribute__ ((format (_a,_b,_c)))
+#else
+#define NORETURN(_x) _x
+#define FORMAT(_a,_b,_c)
+#endif
 
-AC_OUTPUT(Makefile)
+#endif /* _CONFIG_H */
+])