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