src/build-system/configure.ac | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/build-system/configure.ac b/src/build-system/configure.ac
index 03e34b4..336453d 100644
--- a/src/build-system/configure.ac
+++ b/src/build-system/configure.ac
@@ -224,7 +224,7 @@ AC_ARG_WITH(ncbi-c,
 AC_ARG_WITH(sss,
    [ --without-sss           do not use NCBI SSS libraries])
 AC_ARG_WITH(sssutils,
-   [ --without-utils         do not use NCBI SSS UTIL library])
+   [ --without-sssutils      do not use NCBI SSS UTIL library])
 AC_ARG_WITH(sssdb,
    [ --without-sssdb         do not use NCBI SSS DB library])
 AC_ARG_WITH(included-sss,
@@ -490,13 +490,13 @@ check ncbi-public strip pch caution ccache distcc \
 ncbi-c wxwidgets wxwidgets-ucs fastcgi sss sssdb sssutils included-sss \
 geo included-geo \
 z bz2 lzo pcre gcrypt gnutls openssl krb5 sybase sybase-local sybase-new \
-ftds mysql orbacus freetype ftgl opengl mesa glut glew glew-mx \
+ftds mysql orbacus odbc freetype ftgl opengl mesa glut glew glew-mx \
 bdb python perl jni sqlite3 icu boost boost-tag \
 sp expat sablot libxml libxslt libexslt xerces xalan zorba \
 oechem sge muparser hdf5 \
 gif jpeg tiff png xpm magic curl mimetic 3psw \
 local-lbsm ncbi-crypt connext \
-serial objects dbapi app ctools gui algo internal gbench"
+serial objects dbapi app ctools gui algo internal gbench x"
 
 changequote(, )dnl
 x_with_list=`echo "$x_with_list" | sed 's/\([^ ][^ ]*\)/--with-\1 --without-\1/g'`
@@ -522,6 +522,7 @@ for x_arg in "$@" ; do
    case "$x_arg" in
       --with-extra-action= | --exec-prefix= | --with-projects= | --srcdir= \
       | --cache-file= | --build= | --host= | --target= | --with-runpath= \
+      | --mandir= | --infodir= | --datadir= | --sysconfdir= | --localstatedir= \
       | --with-relative-runpath= | --x-includes= | --x-libraries= )
       AC_MSG_ERROR([$x_arg:  requires value;  use --help to show usage])
       ;;
@@ -532,6 +533,7 @@ for x_arg in "$@" ; do
       | --with-universal=* | --with-tcheck=* \
       | --cache-file=* | --build=* | --host=* | --prefix=* | --exec-prefix=* \
       | --libdir=* | --bindir=* | --includedir=* | --srcdir=* \
+      | --mandir=* | --infodir=* | --datadir=* | --sysconfdir=* | --localstatedir=* \
       | [[A-Z]*=*] \
       | --with-z=* | --with-bz2=* | --with-lzo=* \
       | --with-pcre=* \
@@ -647,6 +649,15 @@ if test -z "${DEF_FAST_FLAGS}${FAST_CXXFLAGS}"; then
       *\ -O* | *\ -xO* ) skip_fast_flags=yes ;;
    esac
 fi
+if test -n "$with_projects"; then
+   case "$with_projects" in
+      /* ) abs_projects=$with_projects         ;;
+      yes) abs_projects=$srcdir/projects       ;;
+      *  ) abs_projects=$srcdir/$with_projects ;;
+   esac
+   test -r "$abs_projects"  ||  \
+      AC_MSG_ERROR([unable to read requested projects file "$abs_projects".])
+fi
 
 #### Always define this
 AC_DEFINE(NCBI_CXX_TOOLKIT, 1, [This is the NCBI C++ Toolkit.])