Remove xmlproviders from build, deleted old AAP interface.
[shibboleth/cpp-sp.git] / configure.ac
index 354b14c..33f0698 100644 (file)
@@ -1,18 +1,42 @@
 AC_PREREQ([2.50])
-AC_INIT([shibboleth], [1.2], [shibboleth-users@internet2.edu], [shibboleth])
+AC_INIT([shibboleth], [2.0], [shibboleth-users@internet2.edu], [shibboleth])
 AM_CONFIG_HEADER(config.h)
-AM_INIT_AUTOMAKE(shibboleth, 1.2)
+AM_INIT_AUTOMAKE([shibboleth],[2.0])
 
 sinclude(acx_pthread.m4)
-sinclude(acx_rpctest.m4)
 
-AC_PROG_CC([gcc3 gcc cc])
-AC_PROG_CXX([g++3 g++ c++ CC])
+AC_ARG_ENABLE(debug,
+    AC_HELP_STRING(--enable-debug, [Have GCC compile with symbols (Default = no)
+]),
+    enable_debug=$enableval, enable_debug=no)
+
+if test "$enable_debug" = "yes" ; then
+    GCC_CFLAGS="$CFLAGS -Wall -g -D_DEBUG"
+    GCC_CXXFLAGS="$CXXFLAGS -Wall -g -D_DEBUG"
+else
+    GCC_CFLAGS="$CFLAGS -Wall -O2 -DNDEBUG"
+    GCC_CXXFLAGS="$CXXFLAGS -Wall -O2 -DNDEBUG"
+fi
+
+AC_PROG_CC([gcc gcc3 cc])
+AC_PROG_CXX([g++ g++3 c++ CC])
+
+if test "$GCC" = "yes" ; then
+    CFLAGS="$GCC_CFLAGS"
+    CXXFLAGS="$GCC_CXXFLAGS"
+fi
+
 AC_DISABLE_STATIC
 AC_PROG_LIBTOOL
 
 AC_LANG(C++)
 
+# C++ requirements
+AC_CXX_REQUIRE_STL
+AC_CXX_NAMESPACES
+
+AC_LANG(C)
+
 # Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_TYPE_SIZE_T
@@ -21,14 +45,9 @@ AC_STRUCT_TM
 # Checks for library functions.
 AC_FUNC_STRFTIME
 AC_FUNC_STRERROR_R
-AC_CHECK_FUNCS([strchr strdup strstr gmtime_r strtok_r strcasecmp])
+AC_CHECK_FUNCS([strchr strdup strstr gmtime_r ctime_r strtok_r strcasecmp])
 AC_CHECK_HEADERS([dlfcn.h])
 
-# C++ requirements
-AC_CXX_REQUIRE_STL
-AC_CXX_NAMESPACES
-
-
 # old_LIBS="$LIBS"
 # AC_SEARCH_LIBS(xdr_uint64_t,nsl,,
 #      [CFLAGS="$CFLAGS -DNEED_XDR_LONGLONG"
@@ -46,9 +65,6 @@ else
     CXXFLAGS="$PTHREAD_CFLAGS $CXXFLAGS"
 fi
 
-# Test RPC now -- deal with it later
-ACX_RPCTEST([rpctest="yes"],[rpctest="no"])
-
 AC_ARG_WITH(dmalloc,
             AC_HELP_STRING([--with-dmalloc=PATH], [where dmalloc is installed]),
             [if test x_$with_dmalloc != x_/usr; then
@@ -91,12 +107,14 @@ AC_TRY_LINK_FUNC([SSL_library_init],,
              AC_MSG_ERROR([unable to link with openssl libraries]))
 AC_MSG_RESULT(yes)
 
+AC_LANG(C++)
+
 # log4cpp settings
-LOG4CPP_CONFIG="log4cpp-config"
+AC_PATH_PROG(LOG4CPP_CONFIG,log4cpp-config)
 AC_ARG_WITH(log4cpp,
             AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp is installed]),
             [LOG4CPP_CONFIG="${with_log4cpp}/bin/log4cpp-config"])
-if test -f ${LOG4CPP_CONFIG}; then
+if test -f "${LOG4CPP_CONFIG}"; then
     LDFLAGS="`${LOG4CPP_CONFIG} --libs` $LDFLAGS"
     CPPFLAGS="`${LOG4CPP_CONFIG} --cflags` $CPPFLAGS"
 else
@@ -120,11 +138,22 @@ AC_ARG_WITH(xerces,
 LIBS="-lxerces-c $LIBS"
 AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,
                 AC_MSG_ERROR([unable to find xerces header files]))
+AC_MSG_CHECKING([Xerces version])
+AC_PREPROC_IFELSE(
+        [AC_LANG_PROGRAM([#include <xercesc/util/XercesVersion.hpp>],
+[#if  _XERCES_VERSION > 20200 && _XERCES_VERSION != 20600
+int i = 0;
+#else
+#error requires version > 2.2.0 but not 2.6.0
+#endif])],
+        [AC_MSG_RESULT(OK)],
+        [AC_MSG_ERROR([Shibboleth requires patched Xerces version 2.6.1 (http://shibboleth.internet2.edu/downloads/)])])
 AC_TRY_LINK(
-       [#include <xercesc/util/PlatformUtils.hpp>],
+        [#include <xercesc/util/PlatformUtils.hpp>],
         [xercesc::XMLPlatformUtils::Initialize()],
-       [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],
-       [AC_MSG_ERROR([unable to link with Xerces])])
+        [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],
+        [AC_MSG_ERROR([unable to link with Xerces])])
+
 
 # XML-Security settings
 AC_ARG_WITH(xmlsec,
@@ -134,12 +163,12 @@ AC_ARG_WITH(xmlsec,
                 CPPFLAGS="-I${with_xmlsec}/include $CPPFLAGS"
             fi])
 LIBS="-lxml-security-c $LIBS"
-AC_CHECK_HEADER([xsec/utils/XSECPlatformUtils.hpp],,AC_MSG_ERROR([unable to find xsec header files]))
+AC_CHECK_HEADER([xsec/xenc/XENCEncryptionMethod.hpp],,AC_MSG_ERROR([unable to find xml-security 1.1 header files]),[#include <xercesc/dom/DOM.hpp>])
 AC_TRY_LINK(
         [#include <xsec/utils/XSECPlatformUtils.hpp>],
         [XSECPlatformUtils::Initialise()],
         [AC_DEFINE(HAVE_LIBXSEC,1,[Define if XML-Sec library was found])],
-        [AC_MSG_ERROR([unable to link with XML-Sec])])
+        [AC_MSG_ERROR([unable to link with xml-security])])
 
 # OpenSAML settings
 AC_ARG_WITH(saml,
@@ -152,400 +181,317 @@ AC_CHECK_HEADER([saml/saml.h],,
                 AC_MSG_ERROR([unable to find saml header files]))
 LIBS="-lsaml $LIBS"
 AC_TRY_LINK(
-        [#include <saml/saml.h>],
-        [saml::SAMLConfig::getConfig()],
+       [#include <saml/saml.h>
+#include <saml/version.h>],
+       [#if _OPENSAML_VERSION >= 10100
+saml::SAMLConfig::getConfig();
+#else
+#error Need OpenSAML version 1.1 or higher
+#endif],
         [AC_DEFINE(HAVE_SAML,1,[Define if saml library was found])],
-        [AC_MSG_ERROR([unable to link with saml])])
-
+        [AC_MSG_ERROR([unable to link with saml, or version too old])])
 
 # output the underlying makefiles
 WANT_SUBDIRS="doc shib schemas configs shib-target shar siterefresh test xmlproviders"
 AC_CONFIG_FILES([Makefile doc/Makefile shib/Makefile schemas/Makefile \
-                configs/Makefile oncrpc/Makefile oncrpc/rpc/Makefile \
-                shib-target/Makefile shar/Makefile siterefresh/Makefile \
-                test/Makefile xmlproviders/Makefile])
+                configs/Makefile shib-target/Makefile shar/Makefile siterefresh/Makefile \
+                test/Makefile selinux/Makefile])
 
 
-# now deal with the rpc library, to see if we need to build our own
-if test $rpctest = "no"; then
-    WANT_SUBDIRS="oncrpc $WANT_SUBDIRS"
-       AC_DEFINE(USE_OUR_ONCRPC,1,[Define if using embedded version of ONC RPC.])
+#
+# Build NSAPI module?
+#
+AC_MSG_CHECKING(for NSAPI module option)
+AC_ARG_WITH(nsapi,
+       AC_HELP_STRING([--with-nsapi=DIR], [Build NSAPI module for Netscape/iPlanet/SunONE]),
+       [WANT_NSAPI=$withval],[WANT_NSAPI=no])
+AC_MSG_RESULT($WANT_NSAPI)
+
+if test "$WANT_NSAPI" != "no"; then
+  if test ! -d $WANT_NSAPI/bin ; then
+    AC_MSG_ERROR(Please specify the path to the root of your Netscape/iPlanet/SunONE server using --with-nsapi=DIR)
+  fi
+  AC_MSG_CHECKING(for NSAPI include files)
+  if test -d $WANT_NSAPI/include ; then
+    NSAPI_INCLUDE=$WANT_NSAPI/include
+    AC_MSG_RESULT(Netscape-Enterprise 3.x style)
+    AC_CHECK_HEADERS([$NSAPI_INCLUDE/nsapi.h])
+    NSAPI_INCLUDE="$NSAPI_INC_DIR -I$NSAPI_INCLUDE"
+  fi
+  if test -d $WANT_NSAPI/plugins/include ; then
+    test -n "$NSAPI_INCLUDE" && NSAPI_INC_DIR="-I$NSAPI_INCLUDE"
+    NSAPI_INCLUDE="$WANT_NSAPI/plugins/include"
+    AC_MSG_RESULT(iPlanet 4.x / SunONE 6.x style)
+    AC_CHECK_HEADERS([$NSAPI_INCLUDE/nsapi.h])
+    NSAPI_INCLUDE="$NSAPI_INC_DIR -I$NSAPI_INCLUDE"
+  fi
+  if test "$NSAPI_INCLUDE" = ""; then
+    AC_MSG_ERROR(Please check you have nsapi.h in either $WANT_NSAPI/include or $WANT_NSAPI/plugins/include)
+  fi
 fi
-AM_CONDITIONAL(USE_OUR_ONCRPC,test "$rpctest" = "no")
 
+AC_SUBST(NSAPI_INCLUDE)
 
-# Apache 1.3 (mod_shire/mod_shibrm)
-#   --with-apache-13 (static build, no idea how to do this yet, so not supported)
+# always output the Makefile, even if you don't use it
+AC_CONFIG_FILES([nsapi_shib/Makefile])
+AM_CONDITIONAL(BUILD_NSAPI,test ! "$WANT_NSAPI" = "no")
+
+# add the NSAPI module to the list of wanted subdirs..
+if test ! "$WANT_NSAPI" = "no" ; then
+    WANT_SUBDIRS="$WANT_SUBDIRS nsapi_shib"
+fi
+
+
+# Apache 1.3 (mod_shib_13)
+#   --enable-apache-13
 #   --with-apxs      (DSO build, the normal way, uses apxs to derive build flags)
-#   --without-apxs   (DSO build, you tell us how to build using the environment)
 
 AC_ARG_ENABLE(apache-13,
-       AC_HELP_STRING([--enable-apache-13], [enable the Apache 1.3 modules]),
+       AC_HELP_STRING([--enable-apache-13], [enable the Apache 1.3 module]),
        [ if test "x$enableval" = "x" ; then
               WANT_APACHE_13=yes
          else
              WANT_APACHE_13="$enableval"
          fi
-       ], [ WANT_APACHE_13=no ])
-AC_MSG_CHECKING(whether to build Apache-1.3 support)
+       ],[ WANT_APACHE_13=no ])
+AC_MSG_CHECKING(whether to build Apache 1.3 module)
 if test "$WANT_APACHE_13" != yes && test "$WANT_APACHE_13" != no ; then
    WANT_APACHE_13=yes
 fi
 AC_MSG_RESULT($WANT_APACHE_13)
 
-if test "$WANT_APACHE_13" = yes ; then
-
-AC_ARG_WITH(apxs,
-[  --with-apxs[=FILE]        Build shared Apache module(s). FILE is the optional
-                          pathname to the Apache apxs tool; defaults to "apxs".],
-[
-    if test "$withval" = "yes"; then
-      for i in /usr/sbin /usr/local/apache/bin ; do
-        if test -f "$i/apxs"; then
-          APXS="$i/apxs"
-        fi
-      done
-      if test -z "$APXS"; then
-        APXS=apxs
-      fi
-    else
-      APXS="$withval"
-    fi
-],
-[
-    AC_PATH_PROG(APXS, apxs, no)
-])
-
-AC_MSG_CHECKING([for dynamic Apache-1.3 module support (w/ or w/o APXS)])
-if test "$APXS" = "no"; then
-
-    # --without-apxs means you want the modules,
-    #       but want to tell us how to build them
-    AC_MSG_RESULT(yes, but use environment, not apxs)
-    echo
-    echo "Did you set one or more of these?"
-    echo
-    echo "APXS_CFLAGS APXS_PREFIX APXS_INCLUDE APXS_LIBEXEC APXS_SYSCONFDIR"
-    echo
-
-    AC_MSG_NOTICE([APXS_CFLAGS is $APXS_CFLAGS])
-
-    # try and find the Apache root
-    if test -z "$APXS_PREFIX"; then
-        if test -d "/usr/local/apache"; then
-            APXS_PREFIX="/usr/local/apache"
-        else
-            AC_MSG_ERROR([You MUST set APXS_PREFIX so the right Apache can be located!])
+if test "$WANT_APACHE_13" = "yes" ; then
+    AC_ARG_WITH(apxs, 
+        AC_HELP_STRING([--with-apxs=FILE], [Specifies where to find the Apache 1.3 apxs script.]),
+        [
+        AC_MSG_CHECKING(for user-specified apxs name/location)
+        if test "$withval" != "no" ; then
+          if test "$withval" != "yes"; then
+            APXS=$withval
+            AC_MSG_RESULT("$withval")
+          fi
         fi
-    elif test ! -d "$APXS_PREFIX"; then
-        AC_MSG_ERROR([APXS_PREFIX of $APXS_PREFIX cannot be found])
-    fi
-    AC_MSG_NOTICE([APXS_PREFIX is $APXS_PREFIX])
-    
-
-    # other subfolders might be derived from APXS_PREFIX
-    if test -z "$APXS_INCLUDE"; then
-        if test -f "$APXS_PREFIX/include/httpd.h"; then
-            APXS_INCLUDE="$APXS_PREFIX/include"
-        else
-            AC_MSG_ERROR([can't find Apache include files beneath $APXS_PREFIX])
-        fi
-    elif ! test -f "$APXS_INCLUDE/httpd.h"; then
-        AC_MSG_ERROR([APXS_INCLUDE of $APXS_INCLUDE does not contain Apache headers])
-    fi
-    AC_MSG_NOTICE([APXS_INCLUDE is $APXS_INCLUDE])
-
-    if test -z "$APXS_LIBEXEC"; then
-        if test -d "$APXS_PREFIX/libexec"; then
-            APXS_LIBEXEC="$APXS_PREFIX/libexec"
-        elif test -d "$APXS_PREFIX/modules"; then
-            APXS_LIBEXEC="$APXS_PREFIX/modules"
-        else
-            AC_MSG_ERROR([can't find Apache libexec/module directory beneath $APXS_PREFIX])
+        ],
+        [
+        AC_PATH_PROG(APXS, apxs, no)
+        if test "$APXS" = "no" ; then
+          for i in /usr/sbin /usr/local/apache/bin ; do
+            if test "$APXS" = "no" && test -f "$i/apxs"; then
+              APXS="$i/apxs"
+            fi
+          done
         fi
-    elif ! test -d "$APXS_LIBEXEC"; then
-        AC_MSG_ERROR([APXS_LIBEXEC of $APXS_LIBEXEC does not exist])
-    fi
-    AC_MSG_NOTICE([APXS_LIBEXEC is $APXS_LIBEXEC])
+        ])
 
-    if test -z "$APXS_SYSCONFDIR"; then
-        if test -d "$APXS_PREFIX/conf"; then
-            APXS_SYSCONFDIR="$APXS_PREFIX/conf"
-        else
-            AC_MSG_ERROR([can't find Apache conf directory beneath $APXS_PREFIX])
-        fi
-    elif ! test -d "$APXS_SYSCONFDIR"; then
-        AC_MSG_ERROR([APXS_SYSCONFDIR of $APXS_SYSCONFDIR does not exist])
+    AC_MSG_CHECKING([to see if apxs was located])
+    if test ! -f "$APXS" ; then
+        AC_MSG_RESULT(no)
+        AC_MSG_ERROR([Unable to locate apxs script. An Apache development package may be missing from your server, or you may need to use the --with-apxs option.])
     fi
-    AC_MSG_NOTICE([APXS_SYSCONFDIR is $APXS_SYSCONFDIR])
-
-    WANT_APACHE_13="yes"
-
-elif test -n "$APXS"; then
+    AC_MSG_RESULT($APXS)
+    AC_SUBST(APXS)
 
     # extract settings we need from APXS -q
     APXS_CC="`$APXS -q CC`"
-    APXS_CFLAGS="`$APXS -q CFLAGS` `$APXS -q CFLAGS_SHLIB`"
+    APXS_CFLAGS="`$APXS -q CPPFLAGS` `$APXS -q CFLAGS` `$APXS -q CFLAGS_SHLIB`"
     APXS_INCLUDE="`$APXS -q INCLUDEDIR`"
-    APXS_LIBEXEC="`$APXS -q LIBEXECDIR`"
-    APXS_SYSCONFDIR="`$APXS -q SYSCONFDIR`"
-
-    AC_SUBST(APXS)
-    AC_MSG_RESULT(found at $APXS)
-
-    if test -z "`$APXS -q LD_SHLIB`" || test "$APXS_LIBEXEC" = "modules"; then
-           AC_MSG_ERROR(
-[Your APXS installation is broken and cannot be used.
-    Please see http://www.webdav.org/mod_dav/install.html#apxs for
-    more information.])
-    fi
-
-    WANT_APACHE_13="yes"
-
-else
-    # guess we're not doing Apache 1.3
-    AC_MSG_RESULT(no)
-    WANT_APACHE_13="no"
-fi
 fi
 
-if test "$WANT_APACHE_13" = "yes"; then
-    AC_ARG_WITH(apreq,
-                AC_HELP_STRING([--with-apreq=PATH], [where libapreq is installed]),
-                [if test x_$with_apreq != x_/usr; then
-                    LDFLAGS="-L${with_apreq}/lib $LDFLAGS"
-                    CPPFLAGS="-I${with_apreq}/include $CPPFLAGS"
-                fi])
-
-    saved_CPPFLAGS="$CPPFLAGS"
-    CPPFLAGS="-I$APXS_INCLUDE $APXS_CFLAGS $CPPFLAGS"
-    AC_TRY_COMPILE([#include <libapreq/apache_request.h>],
-                   [int i=0],
-                   test_apreq="yes",test_apreq="no")
-    if test "$test_apreq" = "no"; then
-        CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
-        APXS_CFLAGS="$APXS_CFLAGS -U_XOPEN_SOURCE"
-        AC_CHECK_HEADER([libapreq/apache_request.h],,
-            AC_MSG_ERROR([unable to find a usable libapreq header]))
-    fi
-
-dnl    saved_LIBS="$LIBS"
-dnl    LIBS="-lapreq $LIBS"
-dnl    AC_TRY_LINK(
-dnl        [#include <libapreq/apache_request.h>],
-dnl        [ApacheRequest_expires],
-dnl        [AC_DEFINE(HAVE_APREQ,1,[Define if apreq library was found])],
-dnl        [AC_MSG_ERROR([unable to link with apreq])
-dnl        ])
-dnl    LIBS="$saved_LIBS"
-    CPPFLAGS="$saved_CPPFLAGS"
-
-    AC_ARG_ENABLE([apxs-install],
-       AC_HELP_STRING([--enable-apxs-install],
-                       [use apxs to install the apache modules]),
-       APXS_INSTALL="yes", )
-
-
-    AC_SUBST(APXS_CFLAGS)
-    AC_SUBST(APXS_INCLUDE)
-    AC_SUBST(APXS_LIBEXEC)
-    AC_SUBST(APXS_SYSCONFDIR)
-
-    # output the Apache 1.3 makefiles
-    WANT_SUBDIRS="$WANT_SUBDIRS mod_shire mod_shibrm"
-fi
-# always output the Makefile, even if we don't use it
-AC_CONFIG_FILES([mod_shire/Makefile])
-AM_CONDITIONAL(HAVE_APXS,test -n "$APXS")
-AM_CONDITIONAL(DO_APXS_INSTALL,test -n "$APXS_INSTALL")
+AC_SUBST(APXS_CFLAGS)
+AC_SUBST(APXS_INCLUDE)
 
 
-# Apache 2.0 (mod_shib in apache-2.0)
-#   --with-apache-20   (static build, no idea how to do this yet, so not supported)
-#   --with-apxs2       (DSO build, the normal way, uses apxs to derive build flags)
-#   --without-apxs2    (DSO build, you tell us how to build using the environment)
+# Apache 2.0 (mod_shib_20)
+#   --enable-apache-20
+#   --with-apxs2      (DSO build, the normal way, uses apxs to derive build flags)
+#      --with-apr        (DSO build, APR development package installed separately)
 
 AC_ARG_ENABLE(apache-20,
-       AC_HELP_STRING([--enable-apache-20], [enable the Apache 2.0 modules]),
+       AC_HELP_STRING([--enable-apache-20], [enable the Apache 2.0 module]),
        [ if test "x$enableval" = "x" ; then
               WANT_APACHE_20=yes
          else
              WANT_APACHE_20="$enableval"
          fi
-       ], [ WANT_APACHE_20=no ])
-
-AC_MSG_CHECKING(whether to build Apache-2.0 support)
+       ],[ WANT_APACHE_20=no ])
+AC_MSG_CHECKING(whether to build Apache 2.0 module)
 if test "$WANT_APACHE_20" != yes && test "$WANT_APACHE_20" != no ; then
    WANT_APACHE_20=yes
 fi
 AC_MSG_RESULT($WANT_APACHE_20)
 
-if test "$WANT_APACHE_20" = yes ; then
-
-AC_ARG_WITH(apxs2,
-[  --with-apxs2[=FILE]        Build shared Apache module(s). FILE is the optional
-                          pathname to the Apache apxs tool; defaults to "apxs".],
-[
-    if test "$withval" = "yes"; then
-      for i in /usr/sbin /usr/local/apache/bin ; do
-        if test -f "$i/apxs"; then
-          APXS2="$i/apxs"
-        fi
-      done
-      if test -z "$APXS2"; then
-        APXS2=apxs
-      fi
-    else
-      APXS2="$withval"
-    fi
-],
-[
-    AC_PATH_PROG(APXS2, apxs, no)
-])
-
-AC_MSG_CHECKING([for dynamic Apache-2 module support (w/ or w/o APXS)])
-if test "$APXS2" = "no"; then
-
-    # --without-apxs2 means you want the modules,
-    #       but want to tell us how to build them
-    AC_MSG_RESULT(yes, but use environment, not apxs)
-    echo
-    echo "Did you set one or more of these?"
-    echo
-    echo "APXS2_CFLAGS APXS2_PREFIX APXS2_INCLUDE APXS2_LIBEXEC APXS2_SYSCONFDIR"
-    echo
-
-    AC_MSG_NOTICE([APXS2_CFLAGS is $APXS2_CFLAGS])
-
-    # try and find the Apache root
-    if test -z "$APXS2_PREFIX"; then
-        if test -d "/usr/local/apache"; then
-            APXS2_PREFIX="/usr/local/apache"
-        else
-            AC_MSG_ERROR([You MUST set APXS2_PREFIX so the right Apache-2 can be located!])
+if test "$WANT_APACHE_20" = "yes" ; then
+    AC_ARG_WITH(apxs2, 
+        AC_HELP_STRING([--with-apxs2=FILE], [Specifies where to find the Apache 2.0 apxs script.]),
+        [
+        AC_MSG_CHECKING(for user-specified Apache2 apxs name/location)
+        if test "$withval" != "no" ; then
+          if test "$withval" != "yes"; then
+            APXS2=$withval
+            AC_MSG_RESULT("$withval")
+          fi
         fi
-    elif test ! -d "$APXS2_PREFIX"; then
-        AC_MSG_ERROR([APXS2_PREFIX of $APXS2_PREFIX cannot be found])
-    fi
-    AC_MSG_NOTICE([APXS2_PREFIX is $APXS2_PREFIX])
-    
-
-    # other subfolders might be derived from APXS2_PREFIX
-    if test -z "$APXS2_INCLUDE"; then
-        if test -f "$APXS2_PREFIX/include/httpd.h"; then
-            APXS2_INCLUDE="$APXS2_PREFIX/include"
-        else
-            AC_MSG_ERROR([can't find Apache-2 include files beneath $APXS2_PREFIX])
+        ],
+        [
+        AC_PATH_PROG(APXS2, apxs2, no)
+        if test "$APXS2" = "no" ; then
+            AC_PATH_PROG(APXS2, apxs, no)
         fi
-    elif ! test -f "$APXS2_INCLUDE/httpd.h"; then
-        AC_MSG_ERROR([APXS2_INCLUDE of $APXS2_INCLUDE does not contain Apache-2 headers])
-    fi
-    AC_MSG_NOTICE([APXS2_INCLUDE is $APXS2_INCLUDE])
-
-    if test -z "$APXS2_LIBEXEC"; then
-        if test -d "$APXS2_PREFIX/libexec"; then
-            APXS2_LIBEXEC="$APXS2_PREFIX/libexec"
-        elif test -d "$APXS2_PREFIX/modules"; then
-            APXS2_LIBEXEC="$APXS2_PREFIX/modules"
-        else
-            AC_MSG_ERROR([can't find Apache-2 libexec/module directory beneath $APXS2_PREFIX])
+        if test "$APXS2" = "no" ; then
+          for i in /usr/sbin /usr/local/apache2/bin /usr/local/apache/bin ; do
+            if test "$APXS2" = "no" && test -f "$i/apxs2" ; then
+              APXS2="$i/apxs2"
+            fi
+          done
+          if test "$APXS2" = "no" ; then
+            for i in /usr/sbin /usr/local/apache2/bin /usr/local/apache/bin ; do
+              if test "$APXS2" = "no" && test -f "$i/apxs" ; then
+                APXS2="$i/apxs"
+              fi
+            done
+          fi
         fi
-    elif ! test -d "$APXS2_LIBEXEC"; then
-        AC_MSG_ERROR([APXS2_LIBEXEC of $APXS2_LIBEXEC does not exist])
+        ])
+
+    AC_MSG_CHECKING([to see if Apache2 apxs was located])
+    if test ! -f "$APXS2" ; then
+        AC_MSG_RESULT(no)
+        AC_MSG_ERROR([Unable to locate Apache2 apxs script. An Apache development package may be missing from your server, or you may need to use the --with-apxs2 option.])
     fi
-    AC_MSG_NOTICE([APXS2_LIBEXEC is $APXS2_LIBEXEC])
+    AC_MSG_RESULT($APXS2)
+    AC_SUBST(APXS2)
 
-    if test -z "$APXS2_SYSCONFDIR"; then
-        if test -d "$APXS2_PREFIX/conf"; then
-            APXS2_SYSCONFDIR="$APXS2_PREFIX/conf"
-        else
-            AC_MSG_ERROR([can't find Apache-2 conf directory beneath $APXS2_PREFIX])
+    # APR settings
+    AC_ARG_WITH(apr, 
+        AC_HELP_STRING([--with-apr=PATH], [where apr-config is installed]),
+        [
+        AC_MSG_CHECKING(for user-specified apr-config name/location)
+        if test "$withval" != "no" ; then
+            if test "$withval" != "yes"; then
+                APR_CONFIG=$withval
+                AC_MSG_RESULT("$withval")
+            fi
         fi
-    elif ! test -d "$APXS2_SYSCONFDIR"; then
-        AC_MSG_ERROR([APXS2_SYSCONFDIR of $APXS2_SYSCONFDIR does not exist])
+        ],
+        [
+        AC_PATH_PROG(APR_CONFIG, apr-config)
+        ])
+       if test -f "${APR_CONFIG}"; then
+        APR_CFLAGS="`${APR_CONFIG} --cflags` `${APR_CONFIG} --cppflags` `${APR_CONFIG} --includes`"
+    else
+        AC_MSG_ERROR([Unable to locate apr-config, may need --with-apr option.])
     fi
-    AC_MSG_NOTICE([APXS2_SYSCONFDIR is $APXS2_SYSCONFDIR])
-
-    WANT_APACHE_20="yes"
-
-elif test -n "$APXS2"; then
 
     # extract settings we need from APXS2 -q
     APXS2_CC="`$APXS2 -q CC`"
-    APXS2_CFLAGS="`$APXS2 -q CFLAGS` `$APXS2 -q CFLAGS_SHLIB`"
+    APXS2_CFLAGS="`$APXS2 -q CPPFLAGS` `$APXS2 -q CFLAGS` `$APXS2 -q CFLAGS_SHLIB` $APR_CFLAGS"
     APXS2_INCLUDE="`$APXS2 -q INCLUDEDIR`"
-    APXS2_LIBEXEC="`$APXS2 -q LIBEXECDIR`"
-    APXS2_SYSCONFDIR="`$APXS2 -q SYSCONFDIR`"
+fi
 
-    AC_SUBST(APXS2)
-    AC_MSG_RESULT(found at $APXS2)
-
-    if test -z "`$APXS2 -q LD_SHLIB`" && test -z "`$APXS2 -q LIBEXECDIR`" \
-       || test "$APXS2_LIBEXEC" = "modules"; then
-           AC_MSG_ERROR(
-[Your APXS installation is broken and cannot be used.
-    Please see http://www.webdav.org/mod_dav/install.html#apxs for
-    more information.])
-    fi
+AC_SUBST(APXS2_CFLAGS)
+AC_SUBST(APXS2_INCLUDE)
 
-    WANT_APACHE_20="yes"
 
-else
-    # guess we're not doing Apache 2.0
-    AC_MSG_RESULT(no)
-    WANT_APACHE_20="no"
-fi
+# Apache 2.2 (mod_shib_22)
+#   --enable-apache-22
+#   --with-apxs22     (DSO build, the normal way, uses apxs to derive build flags)
+#      --with-apr1       (DSO build, APR development package installed separately)
+
+AC_ARG_ENABLE(apache-22,
+       AC_HELP_STRING([--enable-apache-22], [enable the Apache 2.2 module]),
+       [ if test "x$enableval" = "x" ; then
+              WANT_APACHE_22=yes
+         else
+             WANT_APACHE_22="$enableval"
+         fi
+       ],[ WANT_APACHE_22=no ])
+AC_MSG_CHECKING(whether to build Apache 2.2 module)
+if test "$WANT_APACHE_22" != yes && test "$WANT_APACHE_22" != no ; then
+   WANT_APACHE_22=yes
 fi
+AC_MSG_RESULT($WANT_APACHE_22)
+
+if test "$WANT_APACHE_22" = "yes" ; then
+    AC_ARG_WITH(apxs22, 
+        AC_HELP_STRING([--with-apxs22=FILE], [Specifies where to find the Apache 2.2 apxs script.]),
+        [
+        AC_MSG_CHECKING(for user-specified Apache2.2 apxs name/location)
+        if test "$withval" != "no" ; then
+          if test "$withval" != "yes"; then
+            APXS22=$withval
+            AC_MSG_RESULT("$withval")
+          fi
+        fi
+        ],
+        [
+        AC_PATH_PROG(APXS22, apxs2, no)
+        if test "$APXS22" = "no" ; then
+            AC_PATH_PROG(APXS22, apxs, no)
+        fi
+        if test "$APXS22" = "no" ; then
+          for i in /usr/sbin /usr/local/apache2/bin /usr/local/apache/bin ; do
+            if test "$APXS22" = "no" && test -f "$i/apxs2" ; then
+              APXS22="$i/apxs2"
+            fi
+          done
+          if test "$APXS22" = "no" ; then
+            for i in /usr/sbin /usr/local/apache2/bin /usr/local/apache/bin ; do
+              if test "$APXS22" = "no" && test -f "$i/apxs" ; then
+                APXS22="$i/apxs"
+              fi
+            done
+          fi
+        fi
+        ])
 
-if test "$WANT_APACHE_20" = "yes"; then
-    AC_ARG_WITH(apreq2,
-                AC_HELP_STRING([--with-apreq2=PATH], [where http-apreq-2 is installed]),
-                [if test x_$with_apreq2 != x_/usr; then
-                    LDFLAGS="-L${with_apreq2}/lib $LDFLAGS"
-                    CPPFLAGS="-I${with_apreq2}/include $CPPFLAGS"
-                fi])
-
-    saved_CPPFLAGS="$CPPFLAGS"
-    CPPFLAGS="-I$APXS2_INCLUDE $APXS2_CFLAGS $CPPFLAGS"
-    AC_TRY_COMPILE([#include <apreq.h>],
-                   [int i=0],
-                   test_apreq2="yes",test_apreq2="no")
-    if test "$test_apreq2" = "no"; then
-        CPPFLAGS="$CPPFLAGS -U_XOPEN_SOURCE"
-        APXS2_CFLAGS="$APXS2_CFLAGS -U_XOPEN_SOURCE"
-        AC_CHECK_HEADER([apreq.h],,
-            AC_MSG_ERROR([unable to find a usable libapreq2 header]))
+    AC_MSG_CHECKING([to see if Apache2.2 apxs was located])
+    if test ! -f "$APXS22" ; then
+        AC_MSG_RESULT(no)
+        AC_MSG_ERROR([Unable to locate Apache2.2 apxs script. An Apache development package may be missing from your server, or you may need to use the --with-apxs22 option.])
+    fi
+    AC_MSG_RESULT($APXS22)
+    AC_SUBST(APXS22)
+
+    # APR1 settings
+    AC_ARG_WITH(apr1, 
+        AC_HELP_STRING([--with-apr1=PATH], [where apr-1-config is installed]),
+        [
+        AC_MSG_CHECKING(for user-specified apr-1-config name/location)
+        if test "$withval" != "no" ; then
+            if test "$withval" != "yes"; then
+                APR1_CONFIG=$withval
+                AC_MSG_RESULT("$withval")
+            fi
+        fi
+        ],
+        [
+        AC_PATH_PROG(APR1_CONFIG, apr-1-config)
+        ])
+       if test -f "${APR1_CONFIG}"; then
+        APR1_CFLAGS="`${APR1_CONFIG} --cflags` `${APR1_CONFIG} --cppflags` `${APR1_CONFIG} --includes`"
+    else
+        AC_MSG_ERROR([Unable to locate apr-1-config, may need --with-apr1 option.])
     fi
 
-dnl    saved_LIBS="$LIBS"
-dnl    LIBS="-lapreq $LIBS"
-dnl    AC_TRY_LINK(
-dnl        [#include <apreq.h>],
-dnl        [apreq_param],
-dnl        [AC_DEFINE(HAVE_APREQ2,1,[Define if apreq2 library was found])],
-dnl        [AC_MSG_ERROR([unable to link with apreq2])
-dnl        ])
-dnl    LIBS="$saved_LIBS"
-    CPPFLAGS="$saved_CPPFLAGS"
-
-    AC_ARG_ENABLE([apxs2-install],
-       AC_HELP_STRING([--enable-apxs2-install],
-                       [use apxs to install the apache-2 modules]),
-       APXS2_INSTALL="yes", )
-
-
-    AC_SUBST(APXS2_CFLAGS)
-    AC_SUBST(APXS2_INCLUDE)
-    AC_SUBST(APXS2_LIBEXEC)
-    AC_SUBST(APXS2_SYSCONFDIR)
-
-    # output the Apache 2.0 makefiles
-    WANT_SUBDIRS="$WANT_SUBDIRS apache-2.0"
+    # extract settings we need from APXS22 -q
+    APXS22_CC="`$APXS22 -q CC`"
+    APXS22_CFLAGS="`$APXS22 -q CPPFLAGS` `$APXS22 -q CFLAGS` `$APXS22 -q CFLAGS_SHLIB` $APR1_CFLAGS"
+    APXS22_INCLUDE="`$APXS22 -q INCLUDEDIR`"
+fi
+
+AC_SUBST(APXS22_CFLAGS)
+AC_SUBST(APXS22_INCLUDE)
+
+# always output the Makefile, even if you don't use it
+AC_CONFIG_FILES([apache/Makefile])
+AM_CONDITIONAL(BUILD_AP13,test "$WANT_APACHE_13" = "yes")
+AM_CONDITIONAL(BUILD_AP20,test "$WANT_APACHE_20" = "yes")
+AM_CONDITIONAL(BUILD_AP22,test "$WANT_APACHE_22" = "yes")
+
+# add the apache module to the list of wanted subdirs..
+if test "$WANT_APACHE_13" = "yes" || test "$WANT_APACHE_20" = "yes" || test "$WANT_APACHE_22" = "yes" ; then
+    WANT_SUBDIRS="$WANT_SUBDIRS apache"
 fi
-# always output the Makefile, even if we don't use it
-AC_CONFIG_FILES([apache-2.0/Makefile])
-AM_CONDITIONAL(HAVE_APXS2,test -n "$APXS2")
-AM_CONDITIONAL(DO_APXS2_INSTALL,test -n "$APXS2_INSTALL")
 
 
 #
@@ -587,10 +533,10 @@ if test "$build_mysql" = "yes" ; then
    AC_ARG_WITH(mysql,
        AC_HELP_STRING([--with-mysql=PATH], [directory where mysql is installed]),
            [if test "$with_mysql" = no ; then
-               AC_MSG_ERROR([Try running --disable-mysql instead.])
-             elif test "$with_mysql" != yes ; then
-               mysql_dir="$with_mysql/bin"
-             fi ])
+             AC_MSG_ERROR([Try running --disable-mysql instead.])
+         elif test "$with_mysql" != yes ; then
+             mysql_dir="$with_mysql/bin"
+         fi ])
 
    # Try to find the mysql_config program
    AC_PATH_PROG(MYSQL_CONFIG, mysql_config, no, $mysql_dir $PATH )
@@ -658,18 +604,18 @@ if test "$found_mysql" = yes ; then
       AC_MSG_CHECKING(if we can link againt mysql)
       AC_TRY_LINK(
         [#include <mysql.h>
-        #include <stdio.h>],
+         #include <stdio.h>],
         [mysql_server_init(0, NULL, NULL)],
-       [have_mysql_libs=yes],
-       [have_mysql_libs=no])
+        [have_mysql_libs=yes],
+        [have_mysql_libs=no])
       LIBS="$save_LIBS"
 
       if test "$have_mysql_libs" = no ; then
          if test "$mysql_enabled" = "yes" ; then
             AC_MSG_ERROR([unable to link with MySQL Embedded Server Library])
-        else
-           AC_MSG_RESULT(no.  skipping MySQL)
-        fi
+         else
+            AC_MSG_RESULT(no.  skipping MySQL)
+         fi
       fi
    fi
 
@@ -686,6 +632,110 @@ if test "$have_mysql_libs" = yes ; then
 fi
 
 
+#
+# Implement the checks of the ODBC Credential Cache
+#
+# 1) Assume the user wants ODBC; if it's not found then just continue without
+# 2) If the user specifically requested odbc, look for it and ERROR if not found
+# 3) If the user specifically requested no-odbc, don't build it.
+#
+
+AC_CONFIG_FILES([odbc_ccache/Makefile])
+
+# determine whether we should enable the odbc ccache
+AC_ARG_ENABLE([odbc],
+       AC_HELP_STRING([--disable-odbc], [disable the ODBC Credential Cache]),
+       [odbc_enabled=$enableval], [odbc_enabled=default])
+
+if test "x$odbc_enabled" = "x" ; then
+   odbc_enabled=yes
+fi
+
+# Are we trying to build ODBC?
+AC_MSG_CHECKING(whether to build the ODBC ccache)
+if test "$odbc_enabled" = "yes" ; then
+   build_odbc=yes
+   AC_MSG_RESULT(yes)
+elif test "$odbc_enabled" = "default" ; then
+   build_odbc=yes
+   AC_MSG_RESULT([yes, if it can be found])
+else
+   build_odbc=no
+   AC_MSG_RESULT(no)
+fi
+
+# If we're trying to build ODBC, try to find the odbc_config program.
+if test "$build_odbc" = "yes" ; then
+   odbc_dir=""
+   AC_ARG_WITH(odbc,
+       AC_HELP_STRING([--with-odbc=PATH], [directory where odbc is installed]),
+           [if test "$with_odbc" = no ; then
+               AC_MSG_ERROR([Try running --disable-odbc instead.])
+             elif test "$with_odbc" != yes ; then
+               odbc_dir="$with_odbc/bin"
+             fi ])
+
+   # Try to find the mysql_config program
+   AC_PATH_PROG(ODBC_CONFIG, odbc_config, no, $odbc_dir $PATH )
+
+   if test "$ODBC_CONFIG" = no ; then
+      if test "$odbc_enabled" = "yes" ; then
+        AC_MSG_ERROR(Cannot find odbc_config)
+      else
+        AC_MSG_WARN(ODBC not found, skipping.)
+      fi
+   fi
+fi
+
+if test "$build_odbc" = yes ; then
+   ODBC_CFLAGS=`$ODBC_CONFIG --cflags`
+   ODBC_CFLAGS=`eval echo $ODBC_CFLAGS`
+   ODBC_LIBS=`$ODBC_CONFIG --libs`
+   ODBC_LIBS=`eval echo $ODBC_LIBS`
+
+   save_CPPFLAGS="$CPPFLAGS"
+   CPPFLAGS="$CPPFLAGS $ODBC_CFLAGS"
+
+   AC_CHECK_HEADER([sql.h], [have_sql_h=yes], [have_sql_h=no])
+   if test "$have_sql_h" = no -a "$odbc_enabled" = "yes" ; then
+     AC_MSG_ERROR(unable to find ODBC header files)
+   fi
+
+   if test "$have_sql_h" = yes ; then
+      save_LIBS="$LIBS"
+      LIBS="$LIBS $ODBC_LIBS"
+      AC_MSG_CHECKING(if we can link againt ODBC)
+      AC_TRY_LINK(
+        [#include <sql.h>
+         #include <sqlext.h>
+         #include <stdio.h>],
+        [SQLSetEnvAttr(SQL_NULL_HANDLE, SQL_ATTR_CONNECTION_POOLING, (void*)SQL_CP_ONE_PER_HENV, 0)],
+        [have_odbc_libs=yes],
+        [have_odbc_libs=no])
+      LIBS="$save_LIBS"
+
+      if test "$have_odbc_libs" = no ; then
+         if test "$odbc_enabled" = "yes" ; then
+            AC_MSG_ERROR([unable to link with ODBC Library])
+         else
+            AC_MSG_RESULT(no, skipping ODBC)
+         fi
+      fi
+   fi
+
+   CPPFLAGS="$save_CPPFLAGS"
+fi
+
+# if have_odbc_libs=yes then go ahead with building ODBC
+if test "$have_odbc_libs" = yes ; then
+   # this AC_MSG_RESULT is from above!
+   AC_MSG_RESULT(yes)
+   WANT_SUBDIRS="$WANT_SUBDIRS odbc_ccache"
+   AC_SUBST(ODBC_CFLAGS)
+   AC_SUBST(ODBC_LIBS)
+fi
+
+
 AC_SUBST(WANT_SUBDIRS)
 
 if test -n "$APXS_CC" && test "$APXS_CC" != "$CC" ; then
@@ -696,7 +746,7 @@ if test -n "$APXS_CC" && test "$APXS_CC" != "$CC" ; then
   echo "    Current compiler:      $CC"
   echo "   Apache's compiler:      $APXS_CC"
   echo ""
-  echo "This could cause some problems."
+  echo "This could cause problems."
   echo "=================================================================="
 fi
 
@@ -708,9 +758,11 @@ if test -n "$APXS2_CC" && test "$APXS2_CC" != "$CC" ; then
   echo "    Current compiler:      $CC"
   echo "   Apache's compiler:      $APXS2_CC"
   echo ""
-  echo "This could cause some problems."
+  echo "This could cause problems."
   echo "=================================================================="
 fi
 
+LIBTOOL="$LIBTOOL --silent"
+
 AC_OUTPUT