m4/spamassassin.m4

   1 dnl check for libspamc required includes
   2
   3 AC_DEFUN([AC_SPAMASSASSIN],
   4 [dnl
   5
   6 AC_CHECK_HEADERS(sys/time.h syslog.h unistd.h errno.h sys/errno.h)
   7 AC_CHECK_HEADERS(time.h sysexits.h sys/socket.h netdb.h netinet/in.h)
   8 AC_CHECK_HEADERS(openssl/crypto.h)
   9
  10 AC_CACHE_CHECK([for SHUT_RD],
  11        shutrd, [
  12                 AC_TRY_COMPILE([#include <sys/types.h>
  13 #include <sys/socket.h>],
  14                         [printf ("%d", SHUT_RD); return 0;],
  15                                         [shutrd=yes],
  16                                         [shutrd=no]),
  17        ])
  18 if test $shutrd = yes ; then
  19   AC_DEFINE(HAVE_SHUT_RD, 1, HAVE_SHUT_RD)
  20 fi
  21
  22 dnl ----------------------------------------------------------------------
  23
  24 AC_CHECK_FUNCS(socket strdup strtod strtol snprintf shutdown)
  25
  26 dnl ----------------------------------------------------------------------
  27
  28 AC_CACHE_CHECK([for h_errno],
  29         herrno, [
  30                 AC_TRY_COMPILE([#include <netdb.h>],
  31                         [printf ("%d", h_errno); return 0;],
  32                                         [herrno=yes],
  33                                         [herrno=no]),
  34         ])
  35 if test $herrno = yes ; then
  36   AC_DEFINE(HAVE_H_ERRNO, 1, HAVE_H_ERRNO)
  37 fi
  38
  39 dnl ----------------------------------------------------------------------
  40
  41 dnl ----------------------------------------------------------------------
  42
  43 AC_CACHE_CHECK([for in_addr_t],
  44         inaddrt, [
  45                 AC_TRY_COMPILE([#include <sys/types.h>
  46 #include <netinet/in.h>],
  47                         [in_addr_t foo; return 0;],
  48                                         [inaddrt=yes],
  49                                         [inaddrt=no]),
  50         ])
  51 if test $inaddrt = no ; then
  52   AC_CHECK_TYPE(in_addr_t, unsigned long)
  53 fi
  54
  55 dnl ----------------------------------------------------------------------
  56
  57 AC_CACHE_CHECK([for INADDR_NONE],
  58         haveinaddrnone, [
  59                 AC_TRY_COMPILE([#include <sys/types.h>
  60 #include <netinet/in.h>],
  61                         [in_addr_t foo = INADDR_NONE; return 0;],
  62                                         [haveinaddrnone=yes],
  63                                         [haveinaddrnone=no]),
  64         ])
  65 if test $haveinaddrnone = yes ; then
  66   AC_DEFINE(HAVE_INADDR_NONE, 1, HAVE_INADDR_NONE)
  67 fi
  68
  69 dnl ----------------------------------------------------------------------
  70
  71 AC_CACHE_CHECK([for EX__MAX],
  72         haveexmax, [
  73                 AC_TRY_COMPILE([#ifdef HAVE_SYSEXITS_H
  74 #include <sysexits.h>
  75 #endif
  76 #include <errno.h>],
  77                         [int foo = EX__MAX; return 0;],
  78                                         [haveexmax=yes],
  79                                         [haveexmax=no]),
  80         ])
  81 if test $haveexmax = yes ; then
  82   AC_DEFINE(HAVE_EX__MAX, 1, HAVE_EX__MAX)
  83 fi
  84
  85 if test x$ac_cv_enable_openssl = xyes; then
  86     AC_DEFINE(SPAMC_SSL, 1, Compile libspamc with OpenSSL support)
  87 fi
  88
  89 ])