Package fixes.
[shibboleth/xmltooling.git] / configure.ac
index 48751f6..a2683a7 100644 (file)
-AC_PREREQ([2.50])\r
-AC_INIT([xmltooling], [1.0], [mace-opensaml-users@internet2.edu], [xmltooling])\r
-AM_CONFIG_HEADER(config.h)\r
-AM_CONFIG_HEADER(xmltooling/config_pub.h)\r
-AM_INIT_AUTOMAKE([xmltooling], [1.0])\r
-\r
-sinclude(acx_pthread.m4)\r
-\r
-AC_ARG_ENABLE(debug,\r
-    AC_HELP_STRING(--enable-debug, [Have GCC compile with symbols (Default = no)]),\r
-    enable_debug=$enableval, enable_debug=no)\r
-\r
-if test "$enable_debug" = "yes" ; then\r
-    GCC_CFLAGS="$CFLAGS -g -D_DEBUG"\r
-    GCC_CXXFLAGS="$CXXFLAGS -g -D_DEBUG"\r
-else\r
-    GCC_CFLAGS="$CFLAGS -O2 -DNDEBUG"\r
-    GCC_CXXFLAGS="$CXXFLAGS -O2 -DNDEBUG"\r
-fi\r
-\r
-AC_PROG_CC([gcc gcc3 cc])\r
-AC_PROG_CXX([g++ g++3 c++ CC])\r
-\r
-if test "$GCC" = "yes" ; then\r
-    CFLAGS="$GCC_CFLAGS"\r
-    CXXFLAGS="$GCC_CXXFLAGS"\r
-fi\r
-\r
-AC_DISABLE_STATIC\r
-AC_PROG_LIBTOOL\r
-\r
-AC_LANG(C++)\r
-\r
-# C++ requirements\r
-AC_CXX_REQUIRE_STL\r
-AC_CXX_NAMESPACES\r
-\r
-AC_LANG(C)\r
-\r
-# checks for pthreads\r
-ACX_PTHREAD([enable_threads="pthread"],[enable_threads="no"])\r
-if test $enable_threads != "pthread"; then\r
-    AC_MSG_ERROR([unable to find pthreads, currently this is required])\r
-else\r
-    AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])\r
-    LIBS="$PTHREAD_LIBS $LIBS"\r
-    CFLAGS="$PTHREAD_CFLAGS $CFLAGS"\r
-    CXXFLAGS="$PTHREAD_CFLAGS $CXXFLAGS"\r
-fi\r
-\r
-# Checks for typedefs, structures, and compiler characteristics.\r
-AC_C_CONST\r
-AC_TYPE_SIZE_T\r
-AC_STRUCT_TM\r
-AC_STRUCT_TIMEZONE\r
-\r
-# Checks for library functions.\r
-AC_FUNC_STRFTIME\r
-AC_CHECK_FUNCS([strchr strdup strstr gmtime_r timegm])\r
-AC_CHECK_HEADERS([dlfcn.h])\r
-\r
-# OpenSSL settings\r
-AC_PATH_PROG(PKG_CONFIG, pkg-config)\r
-if test "x$PKG_CONFIG" = x || test "x$PKG_CONFIG" = "xno" ; then\r
-    AC_ARG_WITH(openssl, \r
-            AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),\r
-            [if test x_$with_openssl != x_/usr; then\r
-           SSLLIBS="-L${with_openssl}/lib"\r
-           SSLFLAGS="-I${with_openssl}/include"\r
-            fi])\r
-    SSLLIBS="$SSLLIBS -lssl -lcrypto"\r
-else\r
-    SSLLIBS="`$PKG_CONFIG --libs openssl`"\r
-    SSLFLAGS="`$PKG_CONFIG --cflags openssl`"\r
-fi\r
-AC_MSG_CHECKING(for OpenSSL libraries)\r
-AC_MSG_RESULT($SSLLIBS)\r
-LIBS="$LIBS $SSLLIBS"\r
-AC_MSG_CHECKING(for OpenSSL cflags)\r
-AC_MSG_RESULT($SSLFLAGS)\r
-CPPFLAGS="$SSLFLAGS $CPPFLAGS"\r
-\r
-AC_CHECK_HEADER([openssl/ssl.h],,\r
-                AC_MSG_ERROR([unable to find openssl header files]))\r
-AC_MSG_CHECKING(for ERR_load_CRYPTO_string)\r
-AC_TRY_LINK_FUNC([ERR_load_CRYPTO_strings],,\r
-             AC_MSG_ERROR([unable to link with openssl libraries]))\r
-AC_MSG_RESULT(yes)\r
-AC_MSG_CHECKING(for SSL_library_init)\r
-AC_TRY_LINK_FUNC([SSL_library_init],, \r
-             AC_MSG_ERROR([unable to link with openssl libraries]))\r
-AC_MSG_RESULT(yes)\r
-\r
-# libcurl settings\r
-AC_PATH_PROG(CURL_CONFIG,curl-config)\r
-AC_ARG_WITH(curl,\r
-            AC_HELP_STRING([--with-curl=PATH], [where libcurl is installed]),\r
-            [CURL_CONFIG="${with_curl}/bin/curl-config"])\r
-if test -f "${CURL_CONFIG}"; then\r
-    LDFLAGS="`${CURL_CONFIG} --libs` $LDFLAGS"\r
-    CPPFLAGS="`${CURL_CONFIG} --cflags` $CPPFLAGS"\r
-else\r
-    AC_MSG_WARN([curl-config not found, guessing at libcurl build settings])\r
-fi\r
-AC_CHECK_HEADER([curl/curl.h],,AC_MSG_ERROR([unable to find libcurl header files]))\r
-AC_CHECK_LIB([curl],[curl_global_init],,AC_MSG_ERROR([unable to link with libcurl]))\r
-AC_MSG_CHECKING([for CURLOPT_SSL_CTX_FUNCTION in curl.h])\r
-AC_EGREP_HEADER([CURLOPT_SSL_CTX_FUNCTION], [curl/curl.h],\r
-               [AC_MSG_RESULT(yes)],\r
-               [AC_MSG_ERROR([need libcurl that supports CURLOPT_SSL_CTX_FUNCTION])])\r
-\r
-AC_LANG(C++)\r
-\r
-# log4cpp settings\r
-AC_PATH_PROG(LOG4CPP_CONFIG,log4cpp-config)\r
-AC_ARG_WITH(log4cpp,\r
-            AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp is installed]),\r
-            [LOG4CPP_CONFIG="${with_log4cpp}/bin/log4cpp-config"])\r
-if test -f "${LOG4CPP_CONFIG}"; then\r
-    LDFLAGS="`${LOG4CPP_CONFIG} --libs` $LDFLAGS"\r
-    CPPFLAGS="`${LOG4CPP_CONFIG} --cflags` $CPPFLAGS"\r
-else\r
-    AC_MSG_WARN([log4cpp-config not found, guessing at log4cpp build settings])\r
-    LIBS="-llog4cpp $LIBS"\r
-fi\r
-AC_CHECK_HEADER([log4cpp/Category.hh],,AC_MSG_ERROR([unable to find log4cpp header files]))\r
-AC_CHECK_HEADER([log4cpp/PropertyConfigurator.hh],,AC_MSG_ERROR([you need at least log4cpp 0.3.x]))\r
-AC_TRY_LINK(\r
-       [#include <log4cpp/Category.hh>],\r
-       [log4cpp::Category::getInstance("foo")],\r
-       [AC_DEFINE(HAVE_LIBLOG4CPP,1,[Define if log4cpp library was found])],\r
-       [AC_MSG_ERROR([unable to link with log4cpp])])\r
-\r
-# Xerces settings\r
-AC_ARG_WITH(xerces, \r
-            AC_HELP_STRING([--with-xerces=PATH], [where xerces-c is installed]),\r
-            [if test x_$with_xerces != x_/usr; then\r
-                LDFLAGS="-L${with_xerces}/lib $LDFLAGS"\r
-                CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"\r
-            fi])\r
-LIBS="-lxerces-c $LIBS"\r
-AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,\r
-                AC_MSG_ERROR([unable to find xerces header files]))\r
-AC_MSG_CHECKING([Xerces version])\r
-AC_PREPROC_IFELSE(\r
-       [AC_LANG_PROGRAM([#include <xercesc/util/XercesVersion.hpp>],\r
-[#if  _XERCES_VERSION != 20600\r
-int i = 0;\r
-#else\r
-#error cannot use version 2.6.0\r
-#endif])],\r
-       [AC_MSG_RESULT(OK)],\r
-       [AC_MSG_FAILURE([Xerces-C v2.6.0 has bugs that inhibit use with signed XML, please use special 2.6.1 tarball provided by Shibboleth Project])])\r
-AC_TRY_LINK(\r
-        [#include <xercesc/util/PlatformUtils.hpp>],\r
-        [xercesc::XMLPlatformUtils::Initialize()],\r
-        [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],\r
-        [AC_MSG_ERROR([unable to link with Xerces])])\r
-\r
-\r
-# XML-Security settings\r
-AC_ARG_WITH(xmlsec,\r
-            AC_HELP_STRING([--with-xmlsec=PATH], [where xmlsec is installed]),\r
-            [if test x_$with_xmlsec != x_/usr; then\r
-                LDFLAGS="-L${with_xmlsec}/lib $LDFLAGS"\r
-                CPPFLAGS="-I${with_xmlsec}/include $CPPFLAGS"\r
-            fi])\r
-LIBS="-lxml-security-c $LIBS"\r
-AC_CHECK_HEADER([xsec/utils/XSECPlatformUtils.hpp],,AC_MSG_ERROR([unable to find xsec header files]))\r
-AC_TRY_LINK(\r
-        [#include <xsec/utils/XSECPlatformUtils.hpp>],\r
-        [XSECPlatformUtils::Initialise()],\r
-        [AC_DEFINE(HAVE_LIBXSEC,1,[Define if XML-Sec library was found])],\r
-        [AC_MSG_ERROR([unable to link with XML-Sec])])\r
-\r
-# Does the STL in use help or screw us?\r
-AC_TRY_LINK(\r
-        [#include <string>],\r
-        [std::basic_string<unsigned short> foo; foo=foo+(unsigned short)65],\r
-        [AC_DEFINE(HAVE_GOOD_STL,1,\r
-            [Define if you have an STL implementation that supports useful string specialization.])],\r
-        )\r
-\r
-# Check for unit test support\r
-CXXTEST="/usr/bin/cxxtestgen.pl"\r
-CXXTESTFLAGS=""\r
-AC_ARG_WITH(cxxtest,\r
-            AC_HELP_STRING([--with-cxxtest=PATH], [where cxxtest is installed]),\r
-            [if test x_$with_xerces != x_/usr; then\r
-                CXXTEST="${with_cxxtest}/cxxtestgen.pl"\r
-                CXXTESTFLAGS="-I${with_cxxtest}"\r
-            fi])\r
-if ! test -f "${CXXTEST}"; then\r
-    AC_MSG_WARN([cxxtestgen not found, won't build unit tests])\r
-fi\r
-\r
-AC_SUBST(CXXTEST)\r
-AC_SUBST(CXXTESTFLAGS)\r
-AM_CONDITIONAL(BUILD_UNITTEST,test -f ${CXXTEST})\r
-\r
-# output makefiles\r
-AC_OUTPUT(Makefile xmltooling/Makefile schemas/Makefile)\r
+AC_PREREQ([2.50])
+AC_INIT([xmltooling], [1.0], [mace-opensaml-users@internet2.edu], [xmltooling])
+AM_CONFIG_HEADER(config.h)
+AM_CONFIG_HEADER(xmltooling/config_pub.h)
+AM_INIT_AUTOMAKE([xmltooling], [1.0])
+
+sinclude(doxygen.m4)
+sinclude(acx_pthread.m4)
+
+# Docygen features
+DX_HTML_FEATURE(ON)
+DX_CHM_FEATURE(OFF)
+DX_CHI_FEATURE(OFF)
+DX_MAN_FEATURE(OFF)
+DX_RTF_FEATURE(OFF)
+DX_XML_FEATURE(OFF)
+DX_PDF_FEATURE(OFF)
+DX_PS_FEATURE(OFF)
+DX_INIT_DOXYGEN(xmltooling, doxygen.cfg, doc/api)
+
+AC_ARG_ENABLE(debug,
+    AC_HELP_STRING(--enable-debug, [Have GCC compile with symbols (Default = no)]),
+    enable_debug=$enableval, enable_debug=no)
+
+if test "$enable_debug" = "yes" ; then
+    GCC_CFLAGS="$CFLAGS -g -D_DEBUG"
+    GCC_CXXFLAGS="$CXXFLAGS -g -D_DEBUG"
+else
+    GCC_CFLAGS="$CFLAGS -O2 -DNDEBUG"
+    GCC_CXXFLAGS="$CXXFLAGS -O2 -DNDEBUG"
+fi
+
+AC_PROG_CC([gcc gcc3 cc])
+AC_PROG_CXX([g++ g++3 c++ CC])
+AC_CANONICAL_HOST
+
+if test "$GCC" = "yes" ; then
+#    AC_HAVE_GCC_VERSION(4,0,0,0,
+#        [
+#        AC_DEFINE(GCC_HASCLASSVISIBILITY,1,
+#            [Define to enable class visibility control in gcc.])
+#        GCC_CFLAGS="$GCC_CFLAGS -fvisibility=hidden -fvisibility-inlines-hidden"
+#        GCC_CXXFLAGS="$GCC_CXXFLAGS -fvisibility=hidden -fvisibility-inlines-hidden"
+#        ])
+    CFLAGS="-Wall $GCC_CFLAGS"
+    CXXFLAGS="-Wall $GCC_CXXFLAGS"
+else
+# Fix for Sun Workshop compiler in debug mode, may be Sun case #6360993
+       case "${host_cpu}-${host_os}" in
+               *solaris*)
+                       if test "$CXX" = "CC" ; then
+                               CXXFLAGS="$CXXFLAGS -Qoption ccfe -stabs=no%dfltlit+no%dflthlp"
+                       fi
+               ;;
+       esac
+fi
+
+AC_DISABLE_STATIC
+AC_PROG_LIBTOOL
+
+# Checks for typedefs, structures, and compiler characteristics.
+AC_C_CONST
+AC_TYPE_SIZE_T
+
+# Checks for library functions.
+AC_CHECK_FUNCS([strchr strdup strstr timegm strcasecmp])
+AC_CHECK_HEADERS([dlfcn.h])
+AC_CHECK_FUNC(dlclose, , [ AC_CHECK_LIB(dl, dlopen) ])
+
+# checks for pthreads
+ACX_PTHREAD([enable_threads="pthread"],[enable_threads="no"])
+if test $enable_threads != "pthread"; then
+    AC_MSG_ERROR([unable to find pthreads, currently this is required])
+else
+    AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.])
+       AM_CONDITIONAL(BUILD_PTHREAD,test "$enable_threads" = "pthread")
+    LIBS="$PTHREAD_LIBS $LIBS"
+    CFLAGS="$PTHREAD_CFLAGS $CFLAGS"
+    CXXFLAGS="$PTHREAD_CFLAGS $CXXFLAGS"
+fi
+
+AC_CHECK_FUNCS([pthread_rwlock_init])
+
+AC_LANG(C++)
+
+# C++ requirements
+AC_CXX_REQUIRE_STL
+AC_CXX_NAMESPACES
+
+# are covariant methods allowed?
+AC_TRY_LINK(
+     [ class base { public: virtual base *GetPtr( void ) { return this; } }; ],
+     [ class derived: virtual public base { public: virtual derived *GetPtr( void ) { return this; } }; ],
+     [AC_DEFINE(HAVE_COVARIANT_RETURNS,1,[Define if C++ compiler supports covariant virtual methods.])])
+
+# log4shib settings (favor this version over the log4cpp code)
+AC_PATH_PROG(LOG4SHIB_CONFIG,log4shib-config)
+AC_ARG_WITH(log4shib,
+    AC_HELP_STRING([--with-log4shib=PATH], [where log4shib-config is installed]),
+    [
+    LOG4SHIB_CONFIG="${with_log4shib}"
+    if ! test -f "${LOG4SHIB_CONFIG}" ; then
+       LOG4SHIB_CONFIG="${with_log4shib}/bin/log4shib-config"
+    fi
+    ])
+if test -f "${LOG4SHIB_CONFIG}"; then
+    LDFLAGS="`${LOG4SHIB_CONFIG} --libs` $LDFLAGS"
+    CPPFLAGS="`${LOG4SHIB_CONFIG} --cflags` $CPPFLAGS"
+       AC_CHECK_HEADER([log4shib/CategoryStream.hh],,AC_MSG_ERROR([unable to find log4shib header files]))
+       AC_TRY_LINK(
+               [#include <log4shib/Category.hh>
+#include <log4shib/CategoryStream.hh>],
+               [log4shib::Category::getInstance("foo").errorStream() << log4shib::eol],
+               [AC_DEFINE(XMLTOOLING_LOG4SHIB,1,[Define if log4shib library is used.])],
+               [AC_MSG_ERROR([unable to link with log4shib])])
+else
+    AC_MSG_WARN([log4shib-config not found, may need to use --with-log4shib option])
+    AC_MSG_WARN([will look for original log4cpp library])
+    
+       # log4cpp settings
+       AC_PATH_PROG(LOG4CPP_CONFIG,log4cpp-config)
+       AC_ARG_WITH(log4cpp,
+           AC_HELP_STRING([--with-log4cpp=PATH], [where log4cpp-config is installed]),
+           [
+           LOG4CPP_CONFIG="${with_log4cpp}"
+           if ! test -f "${LOG4CPP_CONFIG}" ; then
+               LOG4CPP_CONFIG="${with_log4cpp}/bin/log4cpp-config"
+           fi
+           ])
+       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` $LDFLAGS"
+           CPPFLAGS="`${LOG4CPP_CONFIG} --cflags` $CPPFLAGS"
+               AC_CHECK_HEADER([log4cpp/CategoryStream.hh],,AC_MSG_ERROR([unable to find log4cpp header files]))
+               AC_TRY_LINK(
+                       [#include <log4cpp/Category.hh>
+#include <log4cpp/CategoryStream.hh>],
+                       [log4cpp::Category::getInstance("foo").errorStream() << log4cpp::eol],
+                       [AC_DEFINE(XMLTOOLING_LOG4CPP,1,[Define if log4cpp library is used.])],
+                       [AC_MSG_ERROR([unable to link with log4cpp, need version 1.0 or later])])
+       else
+           AC_MSG_ERROR([log4cpp-config not found, may need to use --with-log4cpp option])
+       fi
+fi
+
+# Xerces settings
+AC_ARG_WITH(xerces, 
+            AC_HELP_STRING([--with-xerces=PATH], [where xerces-c is installed]),
+            [if test x_$with_xerces != x_/usr; then
+                LDFLAGS="-L${with_xerces}/lib $LDFLAGS"
+                CPPFLAGS="-I${with_xerces}/include $CPPFLAGS"
+            fi])
+LIBS="-lxerces-c $LIBS"
+AC_CHECK_HEADER([xercesc/dom/DOM.hpp],,AC_MSG_ERROR([unable to find xerces header files]))
+AC_MSG_CHECKING([Xerces version])
+AC_PREPROC_IFELSE(
+    [AC_LANG_PROGRAM([#include <xercesc/util/XercesVersion.hpp>],
+[#if  _XERCES_VERSION != 20600
+int i = 0;
+#else
+#error cannot use version 2.6.0
+#endif])],
+    [AC_MSG_RESULT(OK)],
+    [AC_MSG_FAILURE([Xerces-C v2.6.0 has bugs that inhibit use with signed XML, please use a newer version])])
+AC_TRY_LINK(
+        [#include <xercesc/util/PlatformUtils.hpp>],
+        [xercesc::XMLPlatformUtils::Initialize()],
+        [AC_DEFINE(HAVE_LIBXERCESC,1,[Define if Xerces-C library was found])],
+        [AC_MSG_ERROR([unable to link with Xerces])])
+
+
+# XML-Security settings
+AC_ARG_WITH(xmlsec,
+            AC_HELP_STRING([--with-xmlsec=PATH], [where xmlsec is installed]),,
+            [with_xmlsec=/usr])
+
+if test x_$with_xmlsec != x_no; then
+
+    # OpenSSL settings (need to do this first in case it's in a different spot from xmlsec)
+    AC_ARG_WITH(openssl,
+        AC_HELP_STRING([--with-openssl=PATH], [where openssl is installed]),
+        [if test x_$with_openssl != x_/usr; then
+            SSLFLAGS="-I${with_openssl}/include"
+            SSLLIBS="-L${with_openssl}/lib -lcrypto -lssl"
+        else
+            SSLLIBS="-lcrypto -lssl"
+        fi])
+    
+    if test "x$SSLLIBS" = "x" ; then
+        AC_PATH_PROG(PKG_CONFIG, pkg-config)
+        if test "x$PKG_CONFIG" != x && test "x$PKG_CONFIG" != "xno" ; then
+            if pkg-config openssl ; then
+                SSLLIBS="`$PKG_CONFIG --libs openssl`"
+                SSLFLAGS="`$PKG_CONFIG --cflags openssl`"
+            else
+                AC_MSG_ERROR([OpenSSL not supported by pkg-config, try --with-openssl instead])
+            fi
+        fi
+    fi
+    
+    if test "x$SSLLIBS" = "x" ; then
+        SSLLIBS="-lcrypto -lssl"
+    fi
+    
+    AC_MSG_CHECKING(for OpenSSL cflags)
+    AC_MSG_RESULT($SSLFLAGS)
+    CPPFLAGS="$CPPFLAGS $SSLFLAGS"
+    AC_MSG_CHECKING(for OpenSSL libraries)
+    AC_MSG_RESULT($SSLLIBS)
+    XMLSEC_LIBS="$XMLSEC_LIBS $SSLLIBS"
+
+    # save and append master libs
+    save_LIBS="$LIBS"
+    LIBS="$XMLSEC_LIBS $LIBS"
+    
+    AC_CHECK_HEADER([openssl/pem.h],,
+                    AC_MSG_ERROR([unable to find openssl header files]))
+    AC_MSG_CHECKING(for ERR_load_CRYPTO_string)
+    AC_TRY_LINK_FUNC([ERR_load_CRYPTO_strings],,
+                 AC_MSG_ERROR([unable to link with openssl libraries]))
+    AC_MSG_RESULT(yes)
+
+    # restore master libs
+    LIBS="$save_LIBS"
+
+    if test x_$with_xmlsec != x_/usr; then
+        CPPFLAGS="-I${with_xmlsec}/include $CPPFLAGS"
+        LDFLAGS="-L${with_xmlsec}/lib $LDFLAGS"
+    fi        
+    XMLSEC_LIBS="$XMLSEC_LIBS -lxml-security-c"
+    
+    # save and append master libs
+    save_LIBS="$LIBS"
+    LIBS="$XMLSEC_LIBS $LIBS"
+    
+    AC_CHECK_HEADER([xsec/utils/XSECPlatformUtils.hpp],,AC_MSG_ERROR([unable to find XML-Security header files]))
+    AC_MSG_CHECKING([XML-Security version])
+    AC_PREPROC_IFELSE(
+           [AC_LANG_PROGRAM([#include <xsec/utils/XSECPlatformUtils.hpp>],
+        [#if XSEC_VERSION_MAJOR > 1 || (XSEC_VERSION_MAJOR == 1 && XSEC_VERSION_MEDIUM > 3)
+int i = 0;
+#else
+#error need version 1.4.0 or later
+#endif])],
+        [AC_MSG_RESULT(OK)],
+        [AC_MSG_FAILURE([XML-Security version 1.4.0 or greater is required.])])
+    AC_TRY_LINK(
+            [#include <xsec/utils/XSECPlatformUtils.hpp>],
+            [XSECPlatformUtils::Initialise()],,
+            [AC_MSG_ERROR([unable to link with XML-Security])])
+
+       # restore master libs
+       LIBS="$save_LIBS"
+
+       # libcurl settings
+       AC_PATH_PROG(CURL_CONFIG,curl-config)
+       AC_ARG_WITH(curl,
+           AC_HELP_STRING([--with-curl=PATH], [where curl-config is installed]),
+           [
+           CURL_CONFIG="${with_curl}"
+           if ! test -f "${CURL_CONFIG}" ; then
+               CURL_CONFIG="${with_curl}/bin/curl-config"
+           fi
+           ])
+       if test -f "${CURL_CONFIG}" ; then
+           CPPFLAGS="`${CURL_CONFIG} --cflags` $CPPFLAGS"
+           XMLSEC_LIBS="`${CURL_CONFIG} --libs` $XMLSEC_LIBS"
+       else
+           AC_MSG_ERROR([curl-config not found, may need to use --with-curl option])
+       fi
+
+       # save and append master libs
+       save_LIBS="$LIBS"
+       LIBS="$XMLSEC_LIBS $LIBS"
+       
+       AC_CHECK_HEADER([curl/curl.h],,AC_MSG_ERROR([unable to find libcurl header files]))
+       AC_CHECK_LIB([curl],[curl_global_init],,AC_MSG_ERROR([unable to link with libcurl]))
+       AC_MSG_CHECKING([for CURLOPT_SSL_CTX_FUNCTION in curl.h])
+       AC_EGREP_HEADER([CURLOPT_SSL_CTX_FUNCTION], [curl/curl.h],
+                       [AC_MSG_RESULT(yes)],
+                       [AC_MSG_ERROR([need libcurl that supports CURLOPT_SSL_CTX_FUNCTION])])
+
+       # restore master libs
+       LIBS="$save_LIBS"
+
+       AC_SUBST(XMLSEC_LIBS)
+else
+    AC_MSG_WARN([xmlsec disabled, building without signature/encryption support])
+    AC_DEFINE(XMLTOOLING_NO_XMLSEC,1,
+        [Define if you wish to disable XML-Security-dependent features.])
+fi
+AM_CONDITIONAL(BUILD_XMLSEC,test x_$with_xmlsec != x_no)
+
+# Does the STL in use help or screw us?
+AC_TRY_LINK(
+        [#include <string>],
+        [std::basic_string<unsigned short> foo; foo=foo+(unsigned short)65],
+        [AC_DEFINE(HAVE_GOOD_STL,1,
+            [Define if you have an STL implementation that supports useful string specialization.])],
+        )
+AC_TRY_LINK(
+        [#include <vector>],
+        [std::iterator_traits<std::vector<int>::iterator>::value_type foo=0],
+        [AC_DEFINE(HAVE_ITERATOR_TRAITS,1,
+            [Define to 1 if you have an STL implementation that supports std::iterator_traits.])],
+        )
+
+# Check for unit test support
+CXXTEST="/usr/bin/cxxtestgen.pl"
+CXXTESTFLAGS=""
+AC_ARG_WITH(cxxtest,
+            AC_HELP_STRING([--with-cxxtest=PATH], [where cxxtest is installed]),
+            [if test x_$with_cxxtest != x_/usr; then
+                CXXTEST="${with_cxxtest}/cxxtestgen.pl"
+                CXXTESTFLAGS="-I${with_cxxtest}"
+            fi])
+if ! test -f "${CXXTEST}"; then
+    AC_MSG_WARN([cxxtestgen not found, won't build unit tests])
+fi
+
+AC_SUBST(CXXTEST)
+AC_SUBST(CXXTESTFLAGS)
+AM_CONDITIONAL(BUILD_UNITTEST,test -f ${CXXTEST})
+
+LIBTOOL="$LIBTOOL --silent"
+
+# output makefiles
+AC_OUTPUT(Makefile xmltooling/Makefile xmltoolingtest/Makefile schemas/Makefile doc/Makefile)