Fix GSS extension tests and headers for Heimdal/GNU
[shibboleth/cpp-sp-resolver.git] / configure.ac
index c3b411b..eba8497 100644 (file)
@@ -1,13 +1,14 @@
 AC_PREREQ([2.50])
-AC_INIT([shibboleth-resolver], [0.1], [shibboleth-users@internet2.edu], [shibboleth-resolver])
-AM_CONFIG_HEADER(config.h)
-AM_INIT_AUTOMAKE([shibboleth-resolver],[0.1])
-
-sinclude(acx_pthread.m4)
+AC_INIT([shibboleth-resolver], [0.2], [MOONSHOT-COMMUNITY@JISCMAIL.AC.UK], [shibboleth-resolver])
+AC_CONFIG_SRCDIR(src)
+AC_CONFIG_AUX_DIR(build-aux)
+AC_CONFIG_MACRO_DIR(m4)
+AM_INIT_AUTOMAKE
+AC_DISABLE_STATIC
+AC_PROG_LIBTOOL
 
 AC_ARG_ENABLE(debug,
-    AC_HELP_STRING(--enable-debug, [Have GCC compile with symbols (Default = no)
-]),
+    AS_HELP_STRING([--enable-debug],[Have GCC compile with symbols (Default = no)]),
     enable_debug=$enableval, enable_debug=no)
 
 if test "$enable_debug" = "yes" ; then
@@ -18,6 +19,10 @@ else
     GCC_CXXFLAGS="$CXXFLAGS -O2 -DNDEBUG"
 fi
 
+AC_CONFIG_HEADERS([config.h src/shibresolver/config_pub.h])
+AC_CONFIG_FILES([resolver.spec Portfile])
+AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile])
+
 AC_PROG_CC([gcc gcc3 cc])
 AC_PROG_CXX([g++ g++3 c++ CC])
 AC_CANONICAL_HOST
@@ -46,9 +51,6 @@ else
        esac
 fi
 
-AC_DISABLE_STATIC
-AC_PROG_LIBTOOL
-
 AC_LANG(C)
 
 # Checks for typedefs, structures, and compiler characteristics.
@@ -64,7 +66,7 @@ ACX_PTHREAD([enable_threads="pthread"],[enable_threads="no"])
 if test $enable_threads != "pthread"; then
     AC_MSG_ERROR([unable to find pthreads, currently this is required])
 else
-    AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
+    AC_DEFINE([HAVE_PTHREAD],[1],[Define if you have POSIX threads libraries and header files.])
     LIBS="$PTHREAD_LIBS $LIBS"
     CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
     CXXFLAGS="$PTHREAD_CFLAGS $CXXFLAGS"
@@ -73,13 +75,27 @@ fi
 AC_LANG(C++)
 
 # C++ requirements
-AC_CXX_REQUIRE_STL
 AC_CXX_NAMESPACES
+AC_CXX_REQUIRE_STL
+
+# are covariant methods allowed?
+AC_LINK_IFELSE(
+    [AC_LANG_PROGRAM([[]],
+        [[
+        class base { public: virtual base *GetPtr( void ) { return this; } };
+        class derived: virtual public base { public: virtual derived *GetPtr( void ) { return this; } };
+        ]])],
+    [AC_DEFINE([HAVE_COVARIANT_RETURNS],[1],[Define to 1 if C++ compiler supports covariant virtual methods.])])
+
+# is nullptr supported?
+AC_COMPILE_IFELSE(
+    [AC_LANG_PROGRAM([[]],[[const char* ptr = nullptr;]])],
+    [AC_DEFINE([HAVE_NULLPTR],[1],[Define to 1 if C++ compiler supports nullptr keyword.])])
 
 # log4shib settings (favor this version over the log4cpp code)
 AC_PATH_PROG(LOG4SHIB_CONFIG,log4shib-config)
 AC_ARG_WITH(log4shib,
-    AC_HELP_STRING([--with-log4shib=PATH], [where log4shib-config is installed]),
+    AS_HELP_STRING([--with-log4shib=PATH],[where log4shib-config is installed]),
     [
     LOG4SHIB_CONFIG="${with_log4shib}"
     if ! test -f "${LOG4SHIB_CONFIG}" ; then
@@ -87,15 +103,15 @@ AC_ARG_WITH(log4shib,
     fi
     ])
 if test -f "${LOG4SHIB_CONFIG}"; then
-    LDFLAGS="`${LOG4SHIB_CONFIG} --libs` $LDFLAGS"
+    LIBS="`${LOG4SHIB_CONFIG} --libs` $LIBS"
     CPPFLAGS="`${LOG4SHIB_CONFIG} --cflags` $CPPFLAGS"
        AC_CHECK_HEADER([log4shib/CategoryStream.hh],,AC_MSG_ERROR([unable to find log4shib header files]))
-       AC_TRY_LINK(
-               [#include <log4shib/Category.hh>
-#include <log4shib/CategoryStream.hh>],
-               [log4shib::Category::getInstance("foo").errorStream() << log4shib::eol],
-               [AC_DEFINE(SHIBRESOLVER_LOG4SHIB,1,[Define if log4shib library is used.])],
-               [AC_MSG_ERROR([unable to link with log4shib])])
+    AC_LINK_IFELSE(
+        [AC_LANG_PROGRAM([[#include <log4shib/Category.hh>
+#include <log4shib/CategoryStream.hh>]],
+            [[log4shib::Category::getInstance("foo").errorStream() << log4shib::eol]])],
+        [AC_DEFINE([SHIBRESOLVER_LOG4SHIB],[1],[Define to 1 if log4shib library is used.])],
+        [AC_MSG_ERROR([unable to link with log4shib])])
 else
     AC_MSG_WARN([log4shib-config not found, may need to use --with-log4shib option])
     AC_MSG_WARN([will look for original log4cpp library])
@@ -103,7 +119,7 @@ else
        # log4cpp settings
        AC_PATH_PROG(LOG4CPP_CONFIG,log4cpp-config)
        AC_ARG_WITH(log4cpp,
-           AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp-config is installed]),
+           AS_HELP_STRING([--with-log4cpp=PATH],[where log4cpp-config is installed]),
            [
            LOG4CPP_CONFIG="${with_log4cpp}"
            if ! test -f "${LOG4CPP_CONFIG}" ; then
@@ -112,30 +128,30 @@ else
            ])
        if test -f "${LOG4CPP_CONFIG}"; then
                AC_MSG_WARN([will try to use log4cpp, note that most non-Internet2 supplied versions are not thread-safe])
-           LDFLAGS="`${LOG4CPP_CONFIG} --libs` $LDFLAGS"
+           LIBS="`${LOG4CPP_CONFIG} --libs` $LIBS"
            CPPFLAGS="`${LOG4CPP_CONFIG} --cflags` $CPPFLAGS"
                AC_CHECK_HEADER([log4cpp/CategoryStream.hh],,AC_MSG_ERROR([unable to find log4cpp header files]))
-               AC_TRY_LINK(
-                       [#include <log4cpp/Category.hh>
-#include <log4cpp/CategoryStream.hh>],
-                       [log4cpp::Category::getInstance("foo").errorStream() << log4cpp::eol],
-                       [AC_DEFINE(SHIBRESOLVER_LOG4CPP,1,[Define if log4cpp library is used.])],
-                       [AC_MSG_ERROR([unable to link with log4cpp, need version 1.0 or later])])
+        AC_LINK_IFELSE(
+            [AC_LANG_PROGRAM([[#include <log4cpp/Category.hh>
+#include <log4cpp/CategoryStream.hh>]],
+                [[log4cpp::Category::getInstance("foo").errorStream() << log4cpp::eol]])],
+            [AC_DEFINE([SHIBRESOLVER_LOG4CPP],[1],[Define to 1 if log4cpp library is used.])],
+            [AC_MSG_ERROR([unable to link with log4cpp, need version 1.0 or later])])
        else
            AC_MSG_ERROR([log4cpp-config not found, may need to use --with-log4cpp option])
        fi
 fi
 
 # Xerces settings
-AC_ARG_WITH(xerces, 
-            AC_HELP_STRING([--with-xerces=PATH], [where xerces-c is installed]),
-            [if test x_$with_xerces != x_/usr; then
-                LDFLAGS="-L${with_xerces}/lib $LDFLAGS"
-                CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"
-            fi])
+# Xerces settings
+AC_ARG_WITH(xerces,
+    AS_HELP_STRING([--with-xerces=PATH],[where xerces-c is installed]),
+    [if test x_$with_xerces != x_/usr; then
+        LDFLAGS="-L${with_xerces}/lib $LDFLAGS"
+        CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"
+    fi])
 LIBS="-lxerces-c $LIBS"
-AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,
-                AC_MSG_ERROR([unable to find xerces header files]))
+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>],
@@ -146,29 +162,27 @@ int i = 0;
 #endif])],
     [AC_MSG_RESULT(OK)],
     [AC_MSG_FAILURE([Xerces-C v2.6.0 has bugs that inhibit use with signed XML, please use a newer version])])
-AC_TRY_LINK(
-        [#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_LINK_IFELSE(
+    [AC_LANG_PROGRAM([[#include <xercesc/util/PlatformUtils.hpp>]],
+        [[xercesc::XMLPlatformUtils::Initialize()]])],
+    ,[AC_MSG_ERROR([unable to link with Xerces])])
 
 
 #XML-Tooling settings
 AC_ARG_WITH(xmltooling,
-            AC_HELP_STRING([--with-xmltooling=PATH], [where xmltooling-c is installed]),
-            [if test x_$with_xmltooling != x_/usr; then
-                LDFLAGS="-L${with_xmltooling}/lib $LDFLAGS"
-                CPPFLAGS="-I${with_xmltooling}/include $CPPFLAGS"
-            fi])
+    AS_HELP_STRING([--with-xmltooling=PATH],[where xmltooling-c is installed]),
+    [if test x_$with_xmltooling != x_/usr; then
+        LDFLAGS="-L${with_xmltooling}/lib $LDFLAGS"
+        CPPFLAGS="-I${with_xmltooling}/include $CPPFLAGS"
+    fi])
 LITE_LIBS="-lxmltooling-lite"
 XMLSEC_LIBS="-lxmltooling"
-AC_CHECK_HEADER([xmltooling/base.h],,
-                AC_MSG_ERROR([unable to find xmltooling header files]))
+AC_CHECK_HEADER([xmltooling/base.h],,AC_MSG_ERROR([unable to find xmltooling header files]))
 
 # XML-Security settings
 AC_ARG_WITH(xmlsec,
-            AC_HELP_STRING([--with-xmlsec=PATH], [where xmlsec is installed]),,
-            [with_xmlsec=/usr])
+    AS_HELP_STRING([--with-xmlsec=PATH], [where xmlsec is installed]),,
+    [with_xmlsec=/usr])
 
 if test x_$with_xmlsec != x_/usr; then
     LDFLAGS="-L${with_xmlsec}/lib $LDFLAGS"
@@ -191,9 +205,9 @@ int i = 0;
 #endif])],
     [AC_MSG_RESULT(OK)],
     [AC_MSG_FAILURE([XML-Security version 1.4.0 or greater is required.])])
-AC_TRY_LINK(
-    [#include <xsec/utils/XSECPlatformUtils.hpp>],
-    [XSECPlatformUtils::Initialise()],,
+AC_LINK_IFELSE(
+    [AC_LANG_PROGRAM([[#include <xsec/utils/XSECPlatformUtils.hpp>]],
+        [[XSECPlatformUtils::Initialise()]])],,
     [AC_MSG_ERROR([unable to link with XML-Security])])
 
 # restore master libs
@@ -201,7 +215,7 @@ LIBS="$save_LIBS"
 
 # OpenSAML settings
 AC_ARG_WITH(saml,
-    AC_HELP_STRING([--with-saml=PATH], [where saml is installed]),
+    AS_HELP_STRING([--with-saml=PATH],[where saml is installed]),
     [if test x_$with_saml != x_/usr; then
         LDFLAGS="-L${with_saml}/lib $LDFLAGS"
         CPPFLAGS="-I${with_saml}/include $CPPFLAGS"
@@ -212,20 +226,18 @@ XMLSEC_LIBS="-lsaml $XMLSEC_LIBS"
 save_LIBS="$LIBS"
 LIBS="$XMLSEC_LIBS $LIBS"
 
-AC_CHECK_HEADER([saml/saml2/metadata/Metadata.h],,
-                AC_MSG_ERROR([unable to find OpenSAML header files]))
-AC_TRY_LINK(
-       [#include <saml/SAMLConfig.h>],
-       [opensaml::SAMLConfig::getConfig()],
-    [AC_DEFINE(HAVE_SAML,1,[Define if saml library was found])],
-    [AC_MSG_ERROR([unable to link with OpenSAML])])
+AC_CHECK_HEADER([saml/saml2/metadata/Metadata.h],,AC_MSG_ERROR([unable to find OpenSAML header files]))
+AC_LINK_IFELSE(
+    [AC_LANG_PROGRAM([[#include <saml/SAMLConfig.h>]],
+    [[opensaml::SAMLConfig::getConfig()]])],
+    ,[AC_MSG_ERROR([unable to link with OpenSAML])])
 
 # restore master libs
 LIBS="$save_LIBS"
 
 # Shibboleth SP settings
 AC_ARG_WITH(shibsp,
-    AC_HELP_STRING([--with-shibsp=PATH], [where Shibboleth SP is installed]),
+    AS_HELP_STRING([--with-shibsp=PATH],[where Shibboleth SP is installed]),
     [if test x_$with_shibsp != x_/usr; then
         LDFLAGS="-L${with_shibsp}/lib $LDFLAGS"
         CPPFLAGS="-I${with_shibsp}/include $CPPFLAGS"
@@ -237,33 +249,176 @@ XMLSEC_LIBS="-lshibsp $XMLSEC_LIBS"
 save_LIBS="$LIBS"
 LIBS="$XMLSEC_LIBS $LIBS"
 
-AC_CHECK_HEADER([shibsp/SPConfig.h],,
-                AC_MSG_ERROR([unable to find Shibboleth SP header files]))
-AC_TRY_LINK(
-    [#include <shibsp/SPConfig.h>],
-    [shibsp::SPConfig::getConfig()],
-    [AC_DEFINE(HAVE_SHIBSP,1,[Define if Shibboleth SP library was found])],
-    [AC_MSG_ERROR([unable to link with Shibboleth SP])])
+AC_CHECK_HEADER([shibsp/SPConfig.h],,AC_MSG_ERROR([unable to find Shibboleth SP header files]))
+AC_LINK_IFELSE(
+    [AC_LANG_PROGRAM([[#include <shibsp/SPConfig.h>]],
+    [[shibsp::SPConfig::getConfig()]])],
+    ,[AC_MSG_ERROR([unable to link with Shibboleth SP])])
 
 AC_MSG_CHECKING([whether SP library supports non-plugin remoting])
-AC_TRY_COMPILE([#include <shibsp/ServiceProvider.hpp>],
-    [shibsp::ServiceProvider* sp;
-     sp->regListener(NULL,NULL);
-    ],
-    [AC_MSG_RESULT([yes])]
-    [AC_DEFINE([SHIBRESOLVER_SHIBSP_HAS_REMOTING], [1], [Define to 1 if Shibboleth SP supports non-plugin remoting.])],
+AC_COMPILE_IFELSE(
+    [AC_LANG_PROGRAM(
+    [[
+#include <vector>
+#include <shibsp/ServiceProvider.h>
+    ]],
+    [[shibsp::ServiceProvider* sp; sp->regListener(NULL,NULL);]])],
+    [AC_MSG_RESULT([yes])AC_DEFINE([SHIBRESOLVER_SHIBSP_HAS_REMOTING],[1],[Define to 1 if Shibboleth SP supports non-plugin remoting.])],
     [AC_MSG_RESULT([no])])
 
 # restore master libs
 LIBS="$save_LIBS"
 
-AC_SUBST(LITE_LIBS)
-AC_SUBST(XMLSEC_LIBS)
+# GSS-API checking
+
+GSSAPI_ROOT="/usr"
+AC_ARG_WITH(gssapi-includes,
+  AS_HELP_STRING([--with-gssapi-includes=DIR],[Specify location of GSSAPI header]),
+  [ GSSAPI_INCS="-I$withval"
+    want_gss="yes" ]
+)
+
+AC_ARG_WITH(gssapi-libs,
+  AS_HELP_STRING([--with-gssapi-libs=DIR],[Specify location of GSSAPI libs]),
+  [ GSSAPI_LIB_DIR="-L$withval"
+    want_gss="yes" ]
+)
+
+AC_ARG_WITH(gssapi,
+  AS_HELP_STRING([--with-gssapi=DIR],[Where to look for GSSAPI]),
+  [ GSSAPI_ROOT="$withval"
+  if test x"$GSSAPI_ROOT" != xno; then
+    want_gss="yes"
+    if test x"$GSSAPI_ROOT" = xyes; then
+      dnl if yes, then use default root
+      GSSAPI_ROOT="/usr"
+    fi
+  fi
+])
 
-AC_CONFIG_FILES([resolver.spec Portfile])
+save_CPPFLAGS="$CPPFLAGS"
+AC_MSG_CHECKING([if GSSAPI support is requested])
+if test x"$want_gss" = xyes; then
+  AC_MSG_RESULT(yes)
 
-# output the underlying makefiles
-AC_CONFIG_FILES([Makefile doc/Makefile shibresolver/Makefile])
+  if test -z "$GSSAPI_INCS"; then
+     if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
+        GSSAPI_INCS=`$GSSAPI_ROOT/bin/krb5-config --cflags gssapi`
+     elif test "$GSSAPI_ROOT" != "yes"; then
+        GSSAPI_INCS="-I$GSSAPI_ROOT/include"
+     fi
+  fi
+
+  CPPFLAGS="$CPPFLAGS $GSSAPI_INCS"
+
+  AC_CHECK_HEADER(gss.h,
+    [
+      dnl found in the given dirs
+      AC_DEFINE([SHIBRESOLVER_HAVE_GSSGNU],[1],[if you have the GNU gssapi libraries])
+      gnu_gss=yes
+    ],
+    [
+      dnl not found, check Heimdal or MIT
+      AC_CHECK_HEADERS([gssapi/gssapi.h], [], [not_mit=1])
+      AC_CHECK_HEADERS(
+        [gssapi/gssapi_generic.h gssapi/gssapi_krb5.h],
+        [],
+        [not_mit=1],
+        [
+AC_INCLUDES_DEFAULT
+#ifdef HAVE_GSSAPI_GSSAPI_H
+#include <gssapi/gssapi.h>
+#endif
+        ])
+      if test "x$not_mit" = "x1"; then
+        dnl MIT not found, check for Heimdal
+        AC_CHECK_HEADER([gssapi.h],
+            [
+              dnl found
+              AC_DEFINE([SHIBRESOLVER_HAVE_GSSHEIMDAL],[1],[if you have the Heimdal gssapi libraries])
+            ],
+            [
+              dnl no header found, disabling GSS
+              want_gss=no
+              AC_MSG_WARN([disabling GSSAPI since no header files was found])
+            ]
+          )
+      else
+        dnl MIT found
+        AC_DEFINE([SHIBRESOLVER_HAVE_GSSMIT],[1],[if you have the MIT gssapi libraries])
+        dnl check if we have a really old MIT kerberos (<= 1.2)
+        AC_MSG_CHECKING([if gssapi headers declare GSS_C_NT_HOSTBASED_SERVICE])
+        AC_COMPILE_IFELSE([
+          AC_LANG_PROGRAM([[
+#include <gssapi/gssapi.h>
+#include <gssapi/gssapi_generic.h>
+#include <gssapi/gssapi_krb5.h>
+          ]],[[
+            gss_import_name(
+                            (OM_uint32 *)0,
+                            (gss_buffer_t)0,
+                            GSS_C_NT_HOSTBASED_SERVICE,
+                            (gss_name_t *)0);
+          ]])
+        ],[
+          AC_MSG_RESULT([yes])
+        ],[
+          AC_MSG_RESULT([no])
+          AC_DEFINE([HAVE_OLD_GSSMIT],[1],[if you have an old MIT gssapi library, lacking GSS_C_NT_HOSTBASED_SERVICE])
+        ])
+      fi
+    ]
+  )
+else
+  AC_MSG_RESULT(no)
+fi
+if test x"$want_gss" = xyes; then
+  AC_DEFINE([SHIBRESOLVER_HAVE_GSSAPI],[1],[if you have the gssapi libraries])
+
+  if test -n "$gnu_gss"; then
+    LDFLAGS="$LDFLAGS $GSSAPI_LIB_DIR"
+    LIBS="$LIBS -lgss"
+  else
+    if test -z "$GSSAPI_LIB_DIR"; then
+      GSSAPI_LIB_DIR="$GSSAPI_ROOT/lib$libsuff"
+    fi
+    if test "$GSSAPI_ROOT" != "yes"; then
+       LDFLAGS="$LDFLAGS -L$GSSAPI_ROOT/lib$libsuff"
+    fi
+    if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
+      dnl krb5-config does not have --libs-only-L or similar, put everything into LIBS
+      gss_libs=`$GSSAPI_ROOT/bin/krb5-config --libs gssapi`
+    else
+      if test "x$not_mit" = "x1"; then
+        gss_libs="-lgssapi"
+      else
+        gss_libs="-lgssapi_krb5"
+      fi
+    fi
+    LIBS="$LIBS $gss_libs"
+  fi
+
+  AC_MSG_CHECKING([whether GSS-API naming extensions are available])
+  AC_COMPILE_IFELSE(
+    [AC_LANG_PROGRAM([[
+#ifdef SHIBRESOLVER_HAVE_GSSGNU
+# include <gss.h>
+#elif defined SHIBRESOLVER_HAVE_GSSMIT
+# include <gssapi/gssapi_ext.h>
+#else
+# include <gssapi.h>
+#endif]],
+    [[gss_get_name_attribute(NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL);]])],
+    [AC_MSG_RESULT([yes])AC_DEFINE([SHIBRESOLVER_HAVE_GSSAPI_NAMINGEXTS],[1],[Define to 1 if GSS-API naming extensions are available.])],
+    [AC_MSG_RESULT([no])])
+
+else
+  CPPFLAGS="$save_CPPFLAGS"
+fi
+
+
+AC_SUBST(LITE_LIBS)
+AC_SUBST(XMLSEC_LIBS)
 
 LIBTOOL="$LIBTOOL --silent"