webcit/configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl $Id$
   3 AC_INIT(webserver.c)
   4
   5 AC_CANONICAL_HOST
   6
   7 AC_ARG_WITH(with_libical, [  --with-libical          use libical calendaring library])
   8
   9 dnl Set some system-specific variables which are OK to set before compiler
  10 dnl checks:
  11 PTHREAD_DEFS=-D_REENTRANT
  12 case "$host" in
  13         dnl Tru64 Unix requires we use -pthread instead of linking the threads
  14         dnl libraries directly, and we can't build threaded programs with gcc
  15         dnl due to header file problems.
  16         alpha*-dec-osf*)
  17                 test -z "$CC" && CC=cc
  18                 LIBS=-pthread
  19         ;;
  20         dnl FreeBSD is similar:
  21         *-*-freebsd*)
  22                 LIBS=-pthread
  23                 PTHREAD_DEFS=-D_THREAD_SAFE
  24         ;;
  25         *-*-solaris*)
  26                 PTHREAD_DEFS='-D_REENTRANT -D_PTHREADS'
  27         ;;
  28 esac
  29 AC_SUBST(PTHREAD_DEFS)
  30
  31 dnl Checks for programs.
  32 AC_PROG_CC
  33
  34 dnl Configure compiler flags for GCC
  35 if test "$GCC" = yes; then
  36         case "$host" in
  37                 *-*-solaris*)
  38                         CFLAGS="$CFLAGS -Wall -Wno-char-subscripts"
  39                 ;;
  40                 *)
  41                         CFLAGS="$CFLAGS -Wall"
  42                 ;;
  43         esac
  44 fi
  45
  46 missing_dir=`cd $ac_aux_dir && pwd`
  47 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
  48
  49 dnl Checks for libraries.
  50 if test "$LIBS" != -pthread; then
  51         AC_CHECK_LIB(pthread, pthread_create)
  52         AC_CHECK_LIB(pthreads, pthread_create)
  53 fi
  54 AC_SEARCH_LIBS(gethostbyname, nsl)
  55 AC_SEARCH_LIBS(connect, socket)
  56
  57 dnl Checks for header files.
  58 AC_HEADER_STDC
  59 dnl AC_HEADER_SYS_WAIT
  60 AC_CHECK_HEADERS(fcntl.h limits.h sys/time.h unistd.h)
  61
  62 dnl Checks for typedefs, structures, and compiler characteristics.
  63 AC_C_CONST
  64 AC_TYPE_OFF_T
  65 AC_TYPE_SIZE_T
  66 dnl AC_HEADER_TIME
  67
  68 dnl Checks for library functions.
  69 AC_TYPE_SIGNAL
  70 dnl AC_FUNC_VPRINTF
  71 dnl AC_CHECK_FUNCS(strerror)
  72 AC_REPLACE_FUNCS(snprintf)
  73
  74 dnl Checks for the libical calendaring library.
  75 if test "x$with_libical" != xno ; then
  76         AC_CHECK_HEADERS(ical.h,
  77                 [AC_CHECK_LIB(ical, icalcomponent_new,
  78                         [ok_libical=yes],,
  79         )])
  80 fi
  81
  82 if test "x$ok_libical" = xyes ; then
  83
  84         AC_TRY_RUN(
  85                 [
  86 #include <ical.h>
  87 main() {
  88         float v;
  89         int i;
  90         sscanf(ICAL_VERSION, "%f", &v);
  91         printf("libical version: %0.2f\n", v);
  92         v = v * 100.0;
  93         i = (int) v;
  94         if (i >= 24) {
  95                 printf("This version is ok.\n");
  96                 printf("WebCit will be built with calendar support.\n");
  97                 return(0);
  98         }
  99         printf("libical 0.24 or newer is required.\n");
 100         printf("WebCit will be built without calendar support.\n");
 101         return(1);
 102 }
 103                 ],
 104                 [
 105                         LIBS="-lical $LIBS"
 106                         AC_DEFINE(HAVE_LIBICAL)
 107                 ]
 108         )
 109 fi
 110
 111 AC_OUTPUT(Makefile)
 112