configure.in

   1 # Process this file with autoconf to produce a configure script.
   2 AC_REVISION($Revision$)
   3 AC_PREREQ(2.53)
   4 AC_INIT(mod_auth_kerb, 0.5-rc4, modauthkerb-developers@lists.sourceforge.net)
   5 AC_CONFIG_SRCDIR([src/mod_auth_kerb.c])
   6 AC_CONFIG_HEADER([config.h])
   7
   8 # Checks for programs.
   9 AC_PROG_CC
  10 AC_PROG_MAKE_SET
  11
  12 # Checks for libraries.
  13 # FIXME: Replace `main' with a function in `-lresolv':
  14 LIB_resolv=""
  15 AC_CHECK_LIB([resolv], [main], [LIB_resolv=-lresolv])
  16 AC_SUBST(LIB_resolv)
  17
  18 # Checks for header files.
  19 AC_HEADER_STDC
  20 AC_CHECK_HEADERS([limits.h netdb.h stddef.h stdlib.h string.h unistd.h])
  21
  22 # Checks for typedefs, structures, and compiler characteristics.
  23 #AC_C_CONST
  24 AC_TYPE_SIZE_T
  25 AC_STRUCT_TM
  26
  27 # Checks for library functions.
  28 #AC_FUNC_MALLOC
  29 #AC_FUNC_MEMCMP
  30 #AC_CHECK_FUNCS([gethostbyname memset putenv strcasecmp strchr strdup strerror])
  31
  32 #
  33 # kerberos5 enviroment
  34 #
  35 krb5_config_command=krb5-config
  36 SPNEGO_SRCS=""
  37
  38 AC_ARG_WITH(krb5,
  39   AC_HELP_STRING([--with-krb5=dir],[use krb5 in dir]),
  40   [ with_krb5="$withval" ])
  41
  42 if test "x$with_krb5" != "xno" ; then
  43   ac_save_CPPFLAGS="$CPPFLAGS"
  44   ac_save_LDFLAGS="$LDFLAGS"
  45   ac_save_LIBS="$LIBS"
  46
  47   if test -n "$with_krb5"; then
  48      if test -x "$with_krb5/bin/krb5-config"; then
  49         krb5_config_command="$with_krb5/bin/krb5-config"
  50      else
  51         krb5_config_command=""
  52      fi
  53   fi
  54
  55   dnl
  56   dnl find header files
  57   dnl
  58
  59   if test -z "$KRB5_CPPFLAGS"; then
  60      TMP_KRB5_CPPFLAGS=""
  61      if test -n "$krb5_config_command"; then
  62         TMP_KRB5_CPPFLAGS=`$krb5_config_command --cflags gssapi 2>/dev/null`
  63      fi
  64      if test -z "$TMP_KRB5_CPPFLAGS"; then
  65         TMP_KRB5_CPPFLAGS="-I$with_krb5/include"
  66      fi
  67      CPPFLAGS="$CPPFLAGS $TMP_KRB5_CPPFLAGS"
  68      AC_CHECK_HEADERS(gssapi.h,
  69                       [ KRB5_CPPFLAGS="$TMP_KRB5_CPPFLAGS" ])
  70      if test -z "$KRB5_CPPFLAGS"; then
  71         AC_CHECK_HEADERS(gssapi/gssapi.h,
  72                          [ KRB5_CPPFLAGS="$TMP_KRB5_CPPFLAGS" ])
  73      fi
  74      CPPFLAGS="$ac_save_CPPFLAGS"
  75   fi
  76
  77   dnl
  78   dnl find libraries
  79   dnl
  80
  81   if test -z "$KRB5_LDFLAGS" -a -n "$krb5_config_command"; then
  82      TMP_KRB5_LDFLAGS=`$krb5_config_command --libs gssapi 2>/dev/null`
  83      if test -n "$TMP_KRB5_LDFLAGS"; then
  84         LIBS="$LIBS $TMP_KRB5_LDFLAGS"
  85         AC_CHECK_LIB(krb5, krb5_init_context,
  86                      [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
  87         LIBS="$ac_save_LIBS"
  88      fi
  89   fi
  90
  91   if test -z "$KRB5_LDFLAGS"; then
  92      #try MIT
  93      TMP_KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi_krb5 -lkrb5 -lk5crypto -lcom_err"
  94      LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
  95      AC_CHECK_LIB(krb5, krb5_init_context, [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
  96      LIBS="$ac_save_LIBS"
  97   fi
  98
  99   if test -z "$KRB5_LDFLAGS"; then
 100      #Try Heimdal
 101      TMP_KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi -lkrb5 -lasn1 -lcrypto -lroken -lcrypt"
 102      LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
 103      AC_CHECK_LIB(krb5, krb5_init_context, [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
 104      LIBS="$ac_save_LIBS"
 105   fi
 106
 107   if test -z "$KRB5_LDFLAGS"; then
 108      #Try Heimdal on OpenBSD
 109      TMP_KRB5_LDFLAGS="-L$with_krb5/lib -lgssapi -lkrb5 -lasn1 -ldes -lcrypto"
 110      LIBS="$LIBS $TMP_KRB5_LDFLAGS $LIB_resolv"
 111      AC_CHECK_LIB(krb5, krb5_init_context, [ KRB5_LDFLAGS="$TMP_KRB5_LDFLAGS" ])
 112      LIBS="$ac_save_LIBS"
 113   fi
 114
 115   if test -z "$KRB5_LDFLAGS"; then
 116      with_krb5=no
 117   else
 118      with_krb5=yes
 119      AC_DEFINE(KRB5)
 120
 121      # check for Heimdal
 122      AC_MSG_CHECKING(whether we are using Heimdal)
 123      ac_save_CFLAGS="$CFLAGS"
 124      CFLAGS="$KRB5_CPPFLAGS"
 125      AC_TRY_COMPILE([#include <krb5.h>],
 126                     [ char *tmp = heimdal_version; ],
 127                     [ AC_MSG_RESULT(yes)
 128                       AC_DEFINE(HEIMDAL) ],
 129                     [ AC_MSG_RESULT(no) ])
 130      CFLAGS="$ac_save_CFLAGS"
 131
 132      SPNEGO_SRCS="\
 133         spnegokrb5/asn1_MechType.c         \
 134         spnegokrb5/asn1_MechTypeList.c     \
 135         spnegokrb5/asn1_ContextFlags.c     \
 136         spnegokrb5/asn1_NegTokenInit.c     \
 137         spnegokrb5/asn1_NegTokenTarg.c     \
 138         spnegokrb5/der_get.c               \
 139         spnegokrb5/der_put.c               \
 140         spnegokrb5/der_free.c              \
 141         spnegokrb5/der_length.c            \
 142         spnegokrb5/der_copy.c              \
 143         spnegokrb5/timegm.c                \
 144         spnegokrb5/init_sec_context.c      \
 145         spnegokrb5/accept_sec_context.c    \
 146         spnegokrb5/encapsulate.c           \
 147         spnegokrb5/decapsulate.c           \
 148         spnegokrb5/external.c"
 149   fi
 150 fi
 151 AC_SUBST(KRB5_CPPFLAGS)
 152 AC_SUBST(KRB5_LDFLAGS)
 153 AC_SUBST(SPNEGO_SRCS)
 154
 155 #
 156 # Kerberos4 enviroment
 157 #
 158
 159 AC_ARG_WITH(krb4,
 160   AC_HELP_STRING([--with-krb4=dir], [use krb4 in dir]),
 161   [ with_krb4="$withval" ])
 162
 163 if test "x$with_krb4" != "xno"; then
 164   AC_MSG_CHECKING([for Kerberos4 installation])
 165   if test "x$with_krb4" != "x"; then
 166      if test -x "$with_krb4/bin/krb4-config"; then
 167         KRB4_CPPFLAGS=`$with_krb4/bin/krb4-config --cflags krb4 2>/dev/null`
 168         KRB4_LDFLAGS=`$with_krb4/bin/krb4-config --libs krb4 2>/dev/null`
 169      elif test -x "$with_krb4/bin/krb5-config"; then
 170         KRB4_CPPFLAGS=`$with_krb4/bin/krb5-config --cflags krb4 2>/dev/null`
 171         KRB4_LDFLAGS=`$with_krb4/bin/krb5-config --libs krb4 2>/dev/null`
 172      else
 173         AC_MSG_ERROR([failed to find krb4-config or krb5-config in $with_krb4/bin])
 174      fi
 175   else
 176      KRB4_CPPFLAGS=`krb4-config --cflags krb4 2>/dev/null`
 177      KRB4_LDFLAGS=`krb4-config --libs krb4 2>/dev/null`
 178      if test "x$KRB4_LDFLAGS" = "x" -a -n "$krb5_config_command"; then
 179         KRB4_CPPFLAGS=`$krb5_config_command --cflags krb4 2>/dev/null`
 180         KRB4_LDFLAGS=`$krb5_config_command --libs krb4 2>/dev/null`
 181         if test $? -ne 0; then
 182            KRB4_CPPFLAGS=""
 183            KRB4_LDFLAGS=""
 184         fi
 185      fi
 186   fi
 187   if test "x$KRB4_LDFLAGS" = "x"; then
 188      with_krb4=no
 189      AC_MSG_RESULT(no)
 190   else
 191      AC_MSG_RESULT(yes)
 192
 193      ac_save_CFLAGS=$CFLAGS
 194      ac_save_CPPFLAGS=$CPPFLAGS
 195      ac_save_LDFLAGS=$LDFLAGS
 196      ac_save_LIBS=$LIBS
 197      CFLAGS="$CFLAGS $KRB4_CPPFLAGS"
 198      CPPFLAGS="$CFLAGS $KRB4_CPPFLAGS"
 199      LDFLAGS="$LDFLAGS $KRB4_LDFLAGS"
 200      LIBS="$LIBS $LDFLAGS $LIB_resolv"
 201
 202 #    if not found krb.h suppose it's in the kerberosIV subdirectory
 203      AC_CHECK_HEADER(krb.h, , with_krb4=no)
 204      if test "x$with_krb4" = "xno"; then
 205          KRB4_CPPFLAGS="$KRB4_CPPFLAGS ${KRB4_CPPFLAGS}/kerberosIV"
 206 #        second run of AC_CHECK_HEADER for the same library returns the cached
 207 #        result created by previous run :-(
 208          AC_CHECK_HEADER(kerberosIV/krb.h, with_krb4=yes,
 209                          [  with_krb4=no
 210                             KRB4_CPPFLAGS=""
 211                             KRB4_LDFLAGS=""])
 212      fi
 213
 214      if test "x$with_krb4" != "xno"; then
 215         AC_CHECK_LIB(krb4, krb_get_pw_in_tkt, [], [with_krb4=no])
 216         if test "x$with_krb4" = "xno"; then
 217            AC_CHECK_LIB(krb, krb_get_pw_in_tkt, [with_krb4=yes],
 218                         [with_krb4=no
 219                          KRB4_CPPFLAGS=""
 220                          KRB4_LDFLAGS=""])
 221         fi
 222      fi
 223
 224      CFLAGS=$ac_save_CFLAGS
 225      CPPFLAGS=$ac_save_CPPFLAGS
 226      LDFLAGS=$ac_save_LDFLAGS
 227      LIBS=$ac_save_LIBS
 228
 229      AC_DEFINE(KRB4)
 230   fi
 231 fi
 232 AC_SUBST(KRB4_CPPFLAGS)
 233 AC_SUBST(KRB4_LDFLAGS)
 234
 235
 236 if test "x$with_krb5" = "xno" -a "x$with_krb4" = "xno"; then
 237   AC_MSG_ERROR([No Kerberos enviroment found])
 238 fi
 239
 240 #
 241 # Apache enviroment
 242 #
 243 AC_ARG_WITH(apache,
 244   AC_HELP_STRING([--with-apache=dir],[use apache in dir]),
 245   [ with_apache="$withval" ])
 246
 247 AC_MSG_CHECKING([for Apache installation])
 248 HTTPD=""
 249 APXS=""
 250 if test -n "$with_apache"; then
 251   apache_dirs="$with_apache/sbin $with_apache/bin"
 252 else
 253 # XXX the PATH variable should be used rather
 254   apache_dirs="/usr/local/sbin /usr/local/bin /usr/sbin /usr/bin"
 255 fi
 256
 257 for dir in $apache_dirs; do
 258   if test -z "$HTTPD"; then
 259      for name in apache2 apache httpd; do
 260         if test -x "$dir/$name"; then
 261            HTTPD="$dir/$name"
 262            break
 263         fi
 264      done
 265   fi
 266   if test -z "$APXS"; then
 267      for name in apxs2 apxs; do
 268         if test -x "$dir/$name"; then
 269            APXS="$dir/$name"
 270            break
 271         fi
 272      done
 273   fi
 274 done
 275
 276 if test -z "$HTTPD"; then
 277    AC_MSG_ERROR([failed to find apache httpd executable])
 278 fi
 279 if test -z "$APXS"; then
 280    AC_MSG_ERROR([failed to find apache apxs executable])
 281 fi
 282
 283 apache_v1_3=`$HTTPD -v | grep "^Server version: Apache/1.3."`
 284 apache_v2_0=`$HTTPD -v | grep "^Server version: Apache/2.0."`
 285 if test "x$apache_v1_3" = "x" -a "x$apache_v2_0" = "x"; then
 286   AC_MSG_ERROR([cannot find valid apache installation on your system])
 287 fi
 288 if test -n "$apache_v1_3"; then
 289   AC_DEFINE(APXS1)
 290 fi
 291 AC_MSG_RESULT(yes)
 292
 293 AC_SUBST(APXS)
 294
 295 AC_CONFIG_FILES([Makefile])
 296
 297 AC_OUTPUT