| | 1 | dnl Process this file with autoconf to produce a configure script. |
| | 2 | |
| | 3 | sinclude(ac_prog_cc_no_writeable_strings.m4) |
| | 4 | |
| | 5 | AC_INIT(secnet,0.1.16+,secnet@chiark.greenend.org.uk) |
| | 6 | AC_CONFIG_SRCDIR(secnet.c) |
| | 7 | AC_CONFIG_HEADER(config.h) |
| | 8 | |
| | 9 | AC_PREREQ(2.50) |
| | 10 | AC_REVISION($Id: configure.in,v 1.4 2002/09/09 22:05:02 steve Exp $) |
| | 11 | |
| | 12 | AC_LANG_C |
| | 13 | |
| | 14 | AC_PROG_MAKE_SET |
| | 15 | AC_PROG_CC |
| | 16 | AC_PROG_INSTALL |
| | 17 | AC_PATH_PROG(RM,rm) |
| | 18 | AC_STDC_HEADERS |
| | 19 | AC_CHECK_HEADERS([stdint.h inttypes.h]) |
| | 20 | AC_CHECK_HEADERS([net/if.h net/route.h]) |
| | 21 | AC_CHECK_HEADERS([sys/socket.h]) |
| | 22 | AC_CHECK_HEADERS([linux/if.h], [], [], |
| | 23 | [#if HAVE_SYS_SOCKET_H |
| | 24 | # include <sys/socket.h> |
| | 25 | #endif |
| | 26 | ]) |
| | 27 | AC_CHECK_HEADERS([stropts.h sys/sockio.h net/if_tun.h]) |
| | 28 | AC_C_BIGENDIAN |
| | 29 | AC_CHECK_SIZEOF(unsigned long long) |
| | 30 | AC_CHECK_SIZEOF(unsigned long) |
| | 31 | AC_CHECK_SIZEOF(unsigned int) |
| | 32 | AC_CHECK_SIZEOF(unsigned short) |
| | 33 | AC_CHECK_SIZEOF(unsigned char) |
| | 34 | AC_PROG_CC_NO_WRITEABLE_STRINGS(WRITESTRINGS) |
| | 35 | |
| | 36 | AC_DEFUN([REQUIRE_HEADER],[AC_CHECK_HEADER($1,,[AC_MSG_ERROR($1 not found)])]) |
| | 37 | |
| | 38 | dnl the order in which libraries is checked is important |
| | 39 | dnl eg. adns on Solaris 2.5.1 depends on -lnsl and -lsocket |
| | 40 | AC_CHECK_LIB(gmp,mpz_init_set_str) |
| | 41 | AC_CHECK_LIB(gmp2,mpz_init_set_str) |
| | 42 | AC_CHECK_LIB(gmp,__gmpz_init_set_str) |
| | 43 | REQUIRE_HEADER([gmp.h]) |
| | 44 | dnl Would love to barf if no gmp was found, but how to test? Requiring the header will do for now. |
| | 45 | AC_CHECK_LIB(fl,yywrap) |
| | 46 | if test "$ac_cv_lib_fl_yywrap" != yes; then |
| | 47 | AC_MSG_ERROR([A compatible libfl is required]) |
| | 48 | fi |
| | 49 | AC_CHECK_LIB(nsl,inet_ntoa) |
| | 50 | AC_CHECK_LIB(getopt,getopt_long) |
| | 51 | AC_CHECK_LIB(gnugetopt,getopt_long) |
| | 52 | AC_CHECK_LIB(socket,socket) |
| | 53 | AC_CHECK_LIB(resolv,inet_aton) |
| | 54 | AC_CHECK_LIB(adns,adns_init) |
| | 55 | REQUIRE_HEADER([adns.h]) |
| | 56 | |
| | 57 | dnl check for getopt in standard library |
| | 58 | AC_REPLACE_FUNCS([snprintf]) |
| | 59 | AC_CHECK_FUNC([getopt_long], [], [AC_LIBOBJ([getopt]) |
| | 60 | AC_LIBOBJ([getopt1])]) |
| | 61 | |
| | 62 | AC_OUTPUT(Makefile,echo timestamp >stamp-h) |
| | 63 | |
| | 64 | AH_TOP([ |
| | 65 | #ifndef _CONFIG_H |
| | 66 | #define _CONFIG_H |
| | 67 | ]) |
| | 68 | |
| | 69 | AH_BOTTOM([ |
| | 70 | /* -*- c -*- */ |
| | 71 | |
| | 72 | /* These used to be in config.h.bot, but are now in configure.in. */ |
| | 73 | |
| | 74 | #ifdef HAVE_INTTYPES_H |
| | 75 | #include <inttypes.h> |
| | 76 | #else |
| | 77 | #ifdef HAVE_STDINT_H |
| | 78 | #include <stdint.h> |
| | 79 | #else |
| | 80 | #if SIZEOF_UNSIGNED_LONG_LONG==8 |
| | 81 | typedef unsigned long long uint64_t; |
| | 82 | typedef long long int64_t; |
| | 83 | #elif SIZEOF_UNSIGNED_LONG==8 |
| | 84 | typedef unsigned long uint64_t; |
| | 85 | typedef long int64_t; |
| | 86 | #else |
| | 87 | #error I do not know what to use for a uint64_t. |
| | 88 | #endif |
| | 89 | |
| | 90 | /* Give us an unsigned 32-bit data type. */ |
| | 91 | #if SIZEOF_UNSIGNED_LONG==4 |
| | 92 | typedef unsigned long uint32_t; |
| | 93 | typedef long int32_t; |
| | 94 | #elif SIZEOF_UNSIGNED_INT==4 |
| | 95 | typedef unsigned int uint32_t; |
| | 96 | typedef int int32_t; |
| | 97 | #else |
| | 98 | #error I do not know what to use for a uint32_t. |
| | 99 | #endif |
| | 100 | |
| | 101 | /* An unsigned 16-bit data type. */ |
| | 102 | #if SIZEOF_UNSIGNED_INT==2 |
| | 103 | typedef unsigned int uint16_t; |
| | 104 | typedef int int16_t; |
| | 105 | #elif SIZEOF_UNSIGNED_SHORT==2 |
| | 106 | typedef unsigned short uint16_t; |
| | 107 | typedef short int16_t; |
| | 108 | #else |
| | 109 | #error I do not know what to use for a uint16_t. |
| | 110 | #endif |
| | 111 | |
| | 112 | /* An unsigned 8-bit data type */ |
| | 113 | #if SIZEOF_UNSIGNED_CHAR==1 |
| | 114 | typedef unsigned char uint8_t; |
| | 115 | #else |
| | 116 | #error I do not know what to use for a uint8_t. |
| | 117 | #endif |
| | 118 | #endif |
| | 119 | #endif |
| | 120 | |
| | 121 | #ifndef HAVE_SNPRINTF |
| | 122 | #include <stdio.h> |
| | 123 | #include <stdarg.h> |
| | 124 | #include "snprintf.h" |
| | 125 | #endif |
| | 126 | |
| | 127 | #ifdef __GNUC__ |
| | 128 | #define NORETURN(_x) void _x __attribute__ ((noreturn)) |
| | 129 | #define FORMAT(_a,_b,_c) __attribute__ ((format (_a,_b,_c))) |
| | 130 | #else |
| | 131 | #define NORETURN(_x) _x |
| | 132 | #define FORMAT(_a,_b,_c) |
| | 133 | #endif |
| | 134 | |
| | 135 | #endif /* _CONFIG_H */ |
| | 136 | ]) |
~mdw / secnet / blame_incremental