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 AC_PROG_INSTALL
   7 AC_PREFIX_DEFAULT(/usr/local/webcit)
   8
   9 AC_ARG_WITH(with_libical, [  --with-libical          use libical calendaring library])
  10 AC_ARG_WITH(with_newt, [  --with-newt          use newt window library])
  11 AC_ARG_WITH(ssl,
  12         [  --with-ssl=PATH     Specify path to OpenSSL installation ],
  13         [
  14                 if test "x$withval" != "xno" ; then
  15                         tryssldir=$withval
  16                 fi
  17         ]
  18 )
  19 dnl Set some system-specific variables which are OK to set before compiler
  20 dnl checks:
  21 PTHREAD_DEFS=-D_REENTRANT
  22 case "$host" in
  23         dnl Tru64 Unix requires we use -pthread instead of linking the threads
  24         dnl libraries directly, and we can't build threaded programs with gcc
  25         dnl due to header file problems.
  26         alpha*-dec-osf*)
  27                 test -z "$CC" && CC=cc
  28                 LIBS=-pthread
  29         ;;
  30         dnl FreeBSD is similar:
  31         *-*-freebsd*)
  32                 LIBS=-pthread
  33                 PTHREAD_DEFS=-D_THREAD_SAFE
  34         ;;
  35         *-*-solaris*)
  36                 PTHREAD_DEFS='-D_REENTRANT -D_PTHREADS'
  37         ;;
  38 esac
  39 AC_SUBST(PTHREAD_DEFS)
  40
  41 dnl Checks for programs.
  42 AC_PROG_CC
  43
  44 dnl Configure compiler flags for GCC
  45 if test "$GCC" = yes; then
  46         case "$host" in
  47                 *-*-solaris*)
  48                         CFLAGS="$CFLAGS -Wall -Wno-char-subscripts"
  49                 ;;
  50                 *)
  51                         CFLAGS="$CFLAGS -Wall"
  52                 ;;
  53         esac
  54 fi
  55
  56 missing_dir=`cd $ac_aux_dir && pwd`
  57 AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
  58
  59 dnl Checks for libraries.
  60 if test "$LIBS" != -pthread; then
  61         AC_CHECK_LIB(pthread, pthread_create)
  62         AC_CHECK_LIB(pthreads, pthread_create)
  63 fi
  64 AC_SEARCH_LIBS(gethostbyname, nsl)
  65 AC_SEARCH_LIBS(connect, socket)
  66
  67 dnl Checks for header files.
  68 AC_HEADER_STDC
  69 dnl AC_HEADER_SYS_WAIT
  70 AC_CHECK_HEADERS(fcntl.h limits.h sys/time.h unistd.h)
  71
  72 dnl Checks for typedefs, structures, and compiler characteristics.
  73 AC_C_CONST
  74 AC_TYPE_OFF_T
  75 AC_TYPE_SIZE_T
  76 dnl AC_HEADER_TIME
  77
  78 dnl Checks for library functions.
  79 AC_TYPE_SIGNAL
  80 dnl AC_FUNC_VPRINTF
  81 dnl AC_CHECK_FUNCS(strerror)
  82 AC_REPLACE_FUNCS(snprintf)
  83
  84 dnl Checks for the libical calendaring library.
  85 if test "x$with_libical" != xno ; then
  86         AC_CHECK_HEADERS(ical.h,
  87                 [AC_CHECK_LIB(ical, icalcomponent_new,
  88                         [ok_libical=yes],,
  89         )])
  90 fi
  91
  92 if test "x$ok_libical" = xyes ; then
  93
  94         AC_TRY_RUN(
  95                 [
  96 #include <ical.h>
  97 main() {
  98         float v;
  99         int i;
 100         sscanf(ICAL_VERSION, "%f", &v);
 101         printf("libical version: %0.2f\n", v);
 102         v = v * 100.0;
 103         i = (int) v;
 104         if (i >= 24) {
 105                 printf("This version is ok.\n");
 106                 printf("WebCit will be built with calendar support.\n");
 107                 return(0);
 108         }
 109         printf("libical 0.24 or newer is required.\n");
 110         printf("WebCit will be built without calendar support.\n");
 111         return(1);
 112 }
 113                 ],
 114                 [
 115                         LIBS="-lical $LIBS"
 116                         AC_DEFINE(HAVE_LIBICAL)
 117                 ]
 118         )
 119 fi
 120
 121 dnl Checks for the newt window library.
 122 if test "x$with_newt" != xno ; then
 123         AC_CHECK_HEADERS(newt.h,
 124                 [AC_CHECK_LIB(newt, newtInit,
 125                         [ok_newt=yes],,
 126         )])
 127 fi
 128
 129 if test "x$ok_newt" = xyes ; then
 130         SETUP_LIBS="-lnewt $SETUP_LIBS"
 131         AC_DEFINE(HAVE_NEWT)
 132 fi
 133
 134 # The big search for OpenSSL
 135 if test "$with_ssl" != "no"; then
 136         saved_LIBS="$LIBS"
 137         saved_LDFLAGS="$LDFLAGS"
 138         saved_CFLAGS="$CFLAGS"
 139         if test "x$prefix" != "xNONE"; then
 140                 tryssldir="$tryssldir $prefix"
 141         fi
 142         AC_CACHE_CHECK([for OpenSSL], ac_cv_openssldir, [
 143                 for ssldir in $tryssldir "" /usr /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
 144                         CFLAGS="$saved_CFLAGS"
 145                         LDFLAGS="$saved_LDFLAGS"
 146                         LIBS="$saved_LIBS -lssl -lcrypto"
 147
 148                         # Skip directories if they don't exist
 149                         if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
 150                                 continue;
 151                         fi
 152                         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 153                                 # Try to use $ssldir/lib if it exists, otherwise
 154                                 # $ssldir
 155                                 if test -d "$ssldir/lib" ; then
 156                                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 157                                         if test ! -z "$need_dash_r" ; then
 158                                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 159                                         fi
 160                                 else
 161                                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 162                                         if test ! -z "$need_dash_r" ; then
 163                                                 LDFLAGS="-R$ssldir $LDFLAGS"
 164                                         fi
 165                                 fi
 166                                 # Try to use $ssldir/include if it exists, otherwise
 167                                 # $ssldir
 168                                 if test -d "$ssldir/include" ; then
 169                                         CFLAGS="-I$ssldir/include $saved_CFLAGS"
 170                                 else
 171                                         CFLAGS="-I$ssldir $saved_CFLAGS"
 172                                 fi
 173                         fi
 174
 175                         # Basic test to check for compatible version and correct linking
 176                         # *does not* test for RSA - that comes later.
 177                         AC_TRY_RUN(
 178                                 [
 179         #include <string.h>
 180         #include <openssl/rand.h>
 181         int main(void)
 182         {
 183                 char a[2048];
 184                 memset(a, 0, sizeof(a));
 185                 RAND_add(a, sizeof(a), sizeof(a));
 186                 return(RAND_status() <= 0);
 187         }
 188                                 ],
 189                                 [
 190                                         found_crypto=1
 191                                         break;
 192                                 ], []
 193                         )
 194
 195                         if test ! -z "$found_crypto" ; then
 196                                 break;
 197                         fi
 198                 done
 199
 200                 if test -z "$ssldir" ; then
 201                         ssldir="(system)"
 202                 fi
 203
 204                 if test ! -z "$found_crypto" ; then
 205                         ac_cv_openssldir=$ssldir
 206                 else
 207                         ac_cv_openssldir="no"
 208                 fi
 209         ])
 210         LIBS="$saved_LIBS"
 211         LDFLAGS="$saved_LDFLAGS"
 212         CFLAGS="$saved_CFLAGS"
 213
 214         if test "x$ac_cv_openssldir" != "xno" ; then
 215                 AC_DEFINE(HAVE_OPENSSL)
 216                 LIBS="-lssl -lcrypto $LIBS"
 217                 dnl Need to recover ssldir - test above runs in subshell
 218                 ssldir=$ac_cv_openssldir
 219                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr" -a "x$ssldir" != "x(system)"; then
 220                         # Try to use $ssldir/lib if it exists, otherwise
 221                         # $ssldir
 222                         if test -d "$ssldir/lib" ; then
 223                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 224                                 if test ! -z "$need_dash_r" ; then
 225                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
 226                                 fi
 227                         else
 228                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
 229                                 if test ! -z "$need_dash_r" ; then
 230                                         LDFLAGS="-R$ssldir $LDFLAGS"
 231                                 fi
 232                         fi
 233                         # Try to use $ssldir/include if it exists, otherwise
 234                         # $ssldir
 235                         if test -d "$ssldir/include" ; then
 236                                 CFLAGS="-I$ssldir/include $saved_CFLAGS"
 237                         else
 238                                 CFLAGS="-I$ssldir $saved_CFLAGS"
 239                         fi
 240                 fi
 241         fi
 242 fi
 243
 244
 245
 246 AC_SUBST(SETUP_LIBS)
 247
 248 AC_OUTPUT(Makefile)
 249