Removed subversion related configuration info.

[debian/gnuradio] / configure.ac

diff --git a/configure.ac b/configure.ac
index 4af5d06d2fd2f38eb610efa9dc6bf24bba846aa5..2bb37935e9a4cb1ef10b664c6a1463f13368a064 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,10 +1,10 @@
-dnl Copyright 2001,2002,2003,2004,2005,2006 Free Software Foundation, Inc.
+dnl Copyright 2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.

 dnl 
 dnl This file is part of GNU Radio
 dnl 
 dnl GNU Radio is free software; you can redistribute it and/or modify
 dnl it under the terms of the GNU General Public License as published by
 dnl 
 dnl This file is part of GNU Radio
 dnl 
 dnl GNU Radio is free software; you can redistribute it and/or modify
 dnl it under the terms of the GNU General Public License as published by

-dnl the Free Software Foundation; either version 2, or (at your option)
+dnl the Free Software Foundation; either version 3, or (at your option)

 dnl any later version.
 dnl 
 dnl GNU Radio is distributed in the hope that it will be useful,
 dnl any later version.
 dnl 
 dnl GNU Radio is distributed in the hope that it will be useful,


@@ -14,50 +14,152 @@ dnl GNU General Public License for more details.
 dnl 
 dnl You should have received a copy of the GNU General Public License
 dnl along with GNU Radio; see the file COPYING.  If not, write to
 dnl 
 dnl You should have received a copy of the GNU General Public License
 dnl along with GNU Radio; see the file COPYING.  If not, write to

-dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-dnl Boston, MA 02111-1307, USA.
+dnl the Free Software Foundation, Inc., 51 Franklin Street,
+dnl Boston, MA 02110-1301, USA.

 
 AC_INIT
 AC_PREREQ(2.57)
 AM_CONFIG_HEADER(config.h)
 
 AC_INIT
 AC_PREREQ(2.57)
 AM_CONFIG_HEADER(config.h)

+AC_CONFIG_SRCDIR([gnuradio-core/src/lib/runtime/gr_vmcircbuf.cc])
+
+AC_CANONICAL_BUILD

 AC_CANONICAL_HOST
 AC_CANONICAL_HOST

-AC_CANONICAL_TARGET([])
-AM_INIT_AUTOMAKE(gnuradio,2.8svn)
+AC_CANONICAL_TARGET
+
+
+VERSION=3.3svn
+AC_SUBST(VERSION)
+AM_INIT_AUTOMAKE(gnuradio,$VERSION)
+
+DEFINES=""
+AC_SUBST(DEFINES)
+
+dnl Remember if the user explicity set CFLAGS
+if test -n "${CFLAGS}"; then
+  user_set_cflags=yes
+fi
+dnl Remember if the user explicity set CXXFLAGS
+if test -n "${CXXFLAGS}"; then
+  user_set_cxxflags=yes
+fi
+

 
 

-GR_X86_64              dnl check for lib64 suffix

 LF_CONFIGURE_CC
 LF_CONFIGURE_CXX
 LF_CONFIGURE_CC
 LF_CONFIGURE_CXX

+GR_LIB64               dnl check for lib64 suffix after choosing compilers
+
+
+dnl The three macros above are known to override CFLAGS if the user
+dnl didn't specify them.  Though I'm sure somebody thought this was
+dnl a good idea, it makes it hard to use other than -g -O2 when compiling
+dnl selected files.  Thus we "undo" the damage here...
+dnl 
+dnl If the user specified CFLAGS, we use them.
+dnl See Makefile.common for the rest of the magic.
+if test "$user_set_cflags" != yes; then
+  autoconf_default_CFLAGS="$CFLAGS"
+  CFLAGS=""
+fi
+AC_SUBST(autoconf_default_CFLAGS)
+
+
+dnl The three macros above are known to override CXXFLAGS if the user
+dnl didn't specify them.  Though I'm sure somebody thought this was
+dnl a good idea, it makes it hard to use other than -g -O2 when compiling
+dnl selected files.  Thus we "undo" the damage here...
+dnl 
+dnl If the user specified CXXFLAGS, we use them.  Otherwise when compiling
+dnl the output of swig use use -O1 if we're using g++.
+dnl See Makefile.common for the rest of the magic.
+if test "$user_set_cxxflags" != yes; then
+  autoconf_default_CXXFLAGS="$CXXFLAGS"
+  CXXFLAGS=""
+  if test "$GXX" = yes; then
+    case "$host_cpu" in
+       powerpc*)
+          dnl "-O1" is broken on the PPC for some reason
+          dnl (at least as of g++ 4.1.1)
+          swig_CXXFLAGS="-g1 -O2 -Wno-strict-aliasing -Wno-parentheses"
+       ;;
+       *) 
+       swig_CXXFLAGS="-g -O1 -Wno-strict-aliasing -Wno-parentheses"
+       ;;
+    esac
+  fi
+fi
+AC_SUBST(autoconf_default_CXXFLAGS)
+AC_SUBST(swig_CXXFLAGS)
+
+dnl add ${prefix}/lib${gr_libdir_suffix}/pkgconfig to the head of the PKG_CONFIG_PATH
+if test x${PKG_CONFIG_PATH} = x; then
+    PKG_CONFIG_PATH=${prefix}/lib${gr_libdir_suffix}/pkgconfig
+else
+    PKG_CONFIG_PATH=${prefix}/lib${gr_libdir_suffix}/pkgconfig:${PKG_CONFIG_PATH}
+fi
+export PKG_CONFIG_PATH
+

 LF_SET_WARNINGS
 GR_SET_GPROF
 GR_SET_PROF
 LF_SET_WARNINGS
 GR_SET_GPROF
 GR_SET_PROF

-GR_PROG_AS
+AM_PROG_AS

 AC_PROG_LN_S
 AC_PROG_MAKE_SET
 AC_PROG_INSTALL
 AC_PROG_LN_S
 AC_PROG_MAKE_SET
 AC_PROG_INSTALL

+
+# AC_PROG_MKDIR_P
+# is a backport of autoconf-2.60's AC_PROG_MKDIR_P.
+# Remove this macro when we can assume autoconf >= 2.60.
+m4_ifdef([AC_PROG_MKDIR_P], [], [
+  AC_DEFUN([AC_PROG_MKDIR_P],
+    [AC_REQUIRE([AM_PROG_MKDIR_P])dnl defined by automake
+     MKDIR_P='$(mkdir_p)'
+     AC_SUBST([MKDIR_P])])
+])
+AC_PROG_MKDIR_P
+

 AC_PATH_PROG([RM_PROG], [rm])
 
 AC_LIBTOOL_WIN32_DLL
 dnl AC_DISABLE_SHARED  dnl don't build shared libraries
 AC_ENABLE_SHARED       dnl do build shared libraries
 AC_DISABLE_STATIC      dnl don't build static libraries
 AC_PATH_PROG([RM_PROG], [rm])
 
 AC_LIBTOOL_WIN32_DLL
 dnl AC_DISABLE_SHARED  dnl don't build shared libraries
 AC_ENABLE_SHARED       dnl do build shared libraries
 AC_DISABLE_STATIC      dnl don't build static libraries

-AC_PROG_LIBTOOL
+m4_ifdef([LT_INIT],[LT_INIT],[AC_PROG_LIBTOOL])

 GR_FORTRAN
 
 GR_NO_UNDEFINED                dnl do we need the -no-undefined linker flag
 GR_SCRIPTING
 
 GR_FORTRAN
 
 GR_NO_UNDEFINED                dnl do we need the -no-undefined linker flag
 GR_SCRIPTING
 

+# Allow user to choose whether to generate SWIG/Python 
+# Default is enabled
+AC_ARG_ENABLE([python],
+  [AS_HELP_STRING([--enable-python],
+    [generate SWIG/Python components (default is yes)])],
+  [case "${enableval}" in
+     yes) enable_python=yes ;;
+     no) enable_python=no ;;
+     *) AC_MSG_ERROR([bad value ${enableval} for --enable-python]) ;;
+   esac],
+  [enable_python=yes]
+)
+AM_CONDITIONAL([PYTHON], [test x$enable_python = xyes])
+
+AC_CHECK_PROG([XMLTO],[xmlto],[yes],[])
+AM_CONDITIONAL([HAS_XMLTO], [test x$XMLTO = xyes])
+

 dnl Checks for libraries.
 AC_CHECK_LIB(socket,socket)
 
 dnl Checks for libraries.
 AC_CHECK_LIB(socket,socket)
 

-dnl check for threads (mandatory)
+dnl check for omnithreads (will soon be removed)

 GR_OMNITHREAD
 GR_OMNITHREAD

-#AC_SUBST(PTHREAD_CFLAGS)
-CFLAGS="${CFLAGS} $PTHREAD_CFLAGS"
-CXXFLAGS="${CXXFLAGS} $PTHREAD_CFLAGS"

 
 

-if test "x$CXX_FOR_BUILD" = x
+dnl Set the c++ compiler that we use for the build system when cross compiling
+if test x$CXX_FOR_BUILD = x

 then
 then

-  CXX_FOR_BUILD=${CXX}
+  if test x$cross_compiling = xno; then
+    CXX_FOR_BUILD=${CXX}
+  else
+    CXX_FOR_BUILD=g++
+  fi

 fi
 AC_SUBST(CXX_FOR_BUILD)
 
 fi
 AC_SUBST(CXX_FOR_BUILD)
 


@@ -69,24 +171,30 @@ dnl Checks for header files.
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 AC_CHECK_HEADERS(fcntl.h limits.h strings.h time.h sys/ioctl.h sys/time.h unistd.h)
 AC_HEADER_STDC
 AC_HEADER_SYS_WAIT
 AC_CHECK_HEADERS(fcntl.h limits.h strings.h time.h sys/ioctl.h sys/time.h unistd.h)

-AC_CHECK_HEADERS(linux/ppdev.h sys/mman.h sys/select.h sys/types.h)
-AC_CHECK_HEADERS(sys/resource.h stdint.h sched.h)
+AC_CHECK_HEADERS(linux/ppdev.h dev/ppbus/ppi.h sys/mman.h sys/select.h sys/types.h)
+AC_CHECK_HEADERS(sys/resource.h stdint.h sched.h signal.h sys/syscall.h malloc.h)
+AC_CHECK_HEADERS(netinet/in.h)
+AC_CHECK_HEADERS(windows.h)
+AC_CHECK_HEADERS(vec_types.h)

 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_C_INLINE
 AC_TYPE_SIZE_T
 AC_HEADER_TIME
 
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_C_INLINE
 AC_TYPE_SIZE_T
 AC_HEADER_TIME

-AC_C_BIGENDIAN
+AC_C_BIGENDIAN([GR_ARCH_BIGENDIAN=1],[GR_ARCH_BIGENDIAN=0])
+AC_SUBST(GR_ARCH_BIGENDIAN)

 AC_STRUCT_TM
 
 dnl Checks for library functions.
 AC_FUNC_ALLOCA
 AC_STRUCT_TM
 
 dnl Checks for library functions.
 AC_FUNC_ALLOCA

+GR_CHECK_MEMALIGN

 AC_FUNC_SETVBUF_REVERSED
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS([mmap select socket strcspn strerror strspn getpagesize sysconf])
 AC_CHECK_FUNCS([snprintf gettimeofday nanosleep sched_setscheduler])
 AC_FUNC_SETVBUF_REVERSED
 AC_FUNC_VPRINTF
 AC_CHECK_FUNCS([mmap select socket strcspn strerror strspn getpagesize sysconf])
 AC_CHECK_FUNCS([snprintf gettimeofday nanosleep sched_setscheduler])

-AC_CHECK_FUNCS([modf sqrt])
+AC_CHECK_FUNCS([modf sqrt sigaction sigprocmask pthread_sigmask])
+AC_CHECK_FUNCS([sched_setaffinity])

 
 AC_CHECK_LIB(m, sincos, [AC_DEFINE([HAVE_SINCOS],[1],[Define to 1 if your system has `sincos'.])])
 AC_CHECK_LIB(m, sincosf,[AC_DEFINE([HAVE_SINCOSF],[1],[Define to 1 if your system has `sincosf'.])])
 
 AC_CHECK_LIB(m, sincos, [AC_DEFINE([HAVE_SINCOS],[1],[Define to 1 if your system has `sincos'.])])
 AC_CHECK_LIB(m, sincosf,[AC_DEFINE([HAVE_SINCOSF],[1],[Define to 1 if your system has `sincosf'.])])


@@ -94,6 +202,7 @@ AC_CHECK_LIB(m, sinf, [AC_DEFINE([HAVE_SINF],[1],[Define to 1 if your system has
 AC_CHECK_LIB(m, cosf, [AC_DEFINE([HAVE_COSF],[1],[Define to 1 if your system has `cosf'.])])
 AC_CHECK_LIB(m, trunc, [AC_DEFINE([HAVE_TRUNC],[1],[Define to 1 if your system has `trunc'.])])
 AC_CHECK_LIB(m, exp10, [AC_DEFINE([HAVE_EXP10],[1],[Define to 1 if your system has 'exp10'.])])
 AC_CHECK_LIB(m, cosf, [AC_DEFINE([HAVE_COSF],[1],[Define to 1 if your system has `cosf'.])])
 AC_CHECK_LIB(m, trunc, [AC_DEFINE([HAVE_TRUNC],[1],[Define to 1 if your system has `trunc'.])])
 AC_CHECK_LIB(m, exp10, [AC_DEFINE([HAVE_EXP10],[1],[Define to 1 if your system has 'exp10'.])])

+AC_CHECK_LIB(m, log2, [AC_DEFINE([HAVE_LOG2],[1],[Define to 1 if your system has 'log2'.])])

 #AC_FUNC_MKTIME
 
 AH_BOTTOM([
 #AC_FUNC_MKTIME
 
 AH_BOTTOM([


@@ -112,6 +221,10 @@ inline static double exp10(double x)
   return pow(10.0, x);
 }
 #endif
   return pow(10.0, x);
 }
 #endif

+
+#ifdef HAVE_WINDOWS_H
+#define NOMINMAX
+#endif

 ])
 
 GR_CHECK_SHM_OPEN
 ])
 
 GR_CHECK_SHM_OPEN


@@ -134,78 +247,193 @@ GR_SET_MD_CPU
 
 dnl Define where to look for cppunit includes and libs
 dnl sets CPPUNIT_CFLAGS and CPPUNIT_LIBS
 
 dnl Define where to look for cppunit includes and libs
 dnl sets CPPUNIT_CFLAGS and CPPUNIT_LIBS

-AM_PATH_CPPUNIT([1.9.14],[],
-               [AC_MSG_ERROR([GNU Radio requires cppunit.  Stop])])
+dnl Try using pkg-config first, then fall back to cppunit-config.
+PKG_CHECK_EXISTS(cppunit,
+  [PKG_CHECK_MODULES(CPPUNIT, cppunit >= 1.9.14)],
+  [AM_PATH_CPPUNIT([1.9.14],[],
+               [AC_MSG_ERROR([GNU Radio requires cppunit.  Stop])])])

 
 CPPUNIT_INCLUDES=$CPPUNIT_CFLAGS
 AC_SUBST(CPPUNIT_INCLUDES)
 
 
 CPPUNIT_INCLUDES=$CPPUNIT_CFLAGS
 AC_SUBST(CPPUNIT_INCLUDES)
 

-dnl Define where to find boost includes
-dnl defines BOOST_CFLAGS
-GR_REQUIRE_BOOST_INCLUDES
+dnl see if GUILE is installed
+AC_PATH_PROG(GUILE,guile)

 
 

-DEFINES=""
-AC_SUBST(DEFINES)
+dnl
+dnl We require the boost headers, thread lib and date_time lib.
+dnl AX_BOOST_BASE finds the headers and the lib dir (-L<foo>)
+dnl
+dnl calls AC_SUBST(BOOST_CPPFLAGS), AC_SUBST(BOOST_LDFLAGS) and defines HAVE_BOOST
+AX_BOOST_BASE([1.35])
+
+dnl calls AC_SUBST(BOOST_THREAD_LIB), AC_SUBST(BOOST_CXXFLAGS) and defines HAVE_BOOST_THREAD
+AX_BOOST_THREAD
+CXXFLAGS="$CXXFLAGS $BOOST_CXXFLAGS"       dnl often picks up a -pthread or something similar
+CFLAGS="$CFLAGS $BOOST_CXXFLAGS"           dnl often picks up a -pthread or something similar
+
+dnl
+dnl all the rest of these call AC_SUBST(BOOST_<foo>_LIB) and define HAVE_BOOST_<foo>
+dnl
+AX_BOOST_DATE_TIME
+dnl AX_BOOST_FILESYSTEM
+dnl AX_BOOST_IOSTREAMS
+AX_BOOST_PROGRAM_OPTIONS
+dnl AX_BOOST_REGEX
+dnl AX_BOOST_SERIALIZATION
+dnl AX_BOOST_SIGNALS
+dnl AX_BOOST_SYSTEM
+dnl AX_BOOST_TEST_EXEC_MONITOR
+dnl AX_BOOST_UNIT_TEST_FRAMEWORK
+dnl AX_BOOST_WSERIALIZATION
+
+BUILD_DATE=`date -R -u`
+AC_SUBST(BUILD_DATE)
+
+dnl SYSCONFDIR substitution
+if test "${sysconfdir}" == "\${prefix}/etc" ; then
+   if test "${prefix}" == "NONE" ; then
+      SYSCONFDIR=["$ac_default_prefix/etc"]
+   else
+      SYSCONFDIR=["${prefix}/etc"]
+   fi
+else
+   SYSCONFDIR=[${sysconfdir}]
+fi
+AC_SUBST(SYSCONFDIR)
+
+dnl System configuration files
+GR_PREFSDIR=[$SYSCONFDIR/${PACKAGE}/conf.d]
+AC_SUBST(GR_PREFSDIR)

 
 dnl Component specific configuration
 dnl The order of the GR_ macros determines the order of compilation
 
 dnl Component specific configuration
 dnl The order of the GR_ macros determines the order of compilation

-subdirs="config"
+dnl For -any- checks on $enable_all_components
+dnl use the following guidelines:
+dnl   yes : --enable-all-components was specified, so error out if any
+dnl         components do not pass configuration checks.
+dnl   no  : --disable-all-components was specified, so try to build the
+dnl         --enable'd components, and error out if any do not pass
+dnl         configuration checks.
+dnl   ""  : this option was not specified on the command line; try to
+dnl         build all components that are not --with'd, but don't
+dnl         error out if any component does not pass configuration checks.
+dnl
+dnl For each --enable-foo component, if that flag is not specified on
+dnl the command line, the related variable $enable_foo will be set to
+dnl $enable_all_components .
+
+AC_ARG_ENABLE(
+    [all-components],
+    [  --enable-all-components Build all configurable components (default), or stop on failed dependencies]
+)
+
+build_dirs="config"
+GRC_GRUEL                       dnl must come first
+GRC_OMNITHREAD                 dnl must come before gnuradio-core and mblock
+GRC_GCELL

 GRC_GNURADIO_CORE
 GRC_GNURADIO_CORE

-GRC_GNURADIO_EXAMPLES
+GRC_MBLOCK                     dnl this must come after GRC_GRUEL

 GRC_USRP
 GRC_USRP

+GRC_USRP2
+GRC_VRT

 GRC_GR_USRP                    dnl this must come after GRC_USRP
 GRC_GR_USRP                    dnl this must come after GRC_USRP

+GRC_GR_USRP2
+GRC_GR_VRT
+GRC_GR_GCELL                   dnl this must come after GRC_GCELL and GRC_GNURADIO_CORE
+GRC_GR_MSDD6000        

 GRC_GR_AUDIO_ALSA
 GRC_GR_AUDIO_JACK
 GRC_GR_AUDIO_OSS
 GRC_GR_AUDIO_ALSA
 GRC_GR_AUDIO_JACK
 GRC_GR_AUDIO_OSS

-GRC_GR_AUDIO_OSX               dnl ***NOT TESTED***
-GRC_GR_AUDIO_PORTAUDIO         dnl ***NOT TESTED***
-GRC_GR_AUDIO_WINDOWS           dnl ***NOT TESTED***
+GRC_GR_AUDIO_OSX
+GRC_GR_AUDIO_PORTAUDIO
+GRC_GR_AUDIO_WINDOWS

 GRC_GR_ATSC
 GRC_GR_COMEDI
 GRC_GR_ATSC
 GRC_GR_COMEDI

-dnl GRC_GR_ERROR_CORRECTING_CODES  dnl disabled until fix for ticket:36
+GRC_GR_CVSD_VOCODER
+GRC_GR_GPIO

 GRC_GR_GSM_FR_VOCODER
 GRC_GR_GSM_FR_VOCODER

-GRC_GR_RADAR
+GRC_GR_PAGER
+GRC_GR_RADAR_MONO

 GRC_GR_RADIO_ASTRONOMY
 GRC_GR_RADIO_ASTRONOMY

+GRC_GR_TRELLIS

 GRC_GR_VIDEO_SDL
 GRC_GR_WXGUI
 GRC_GR_VIDEO_SDL
 GRC_GR_WXGUI

-GRC_PMT
-GRC_GR_TRELLIS
-dnl GRC_EZDOP                  dnl disable until grc_ezdop.m4 fixed
-dnl GRC_GR_EZDOP               dnl this must come after GRC_EZDOP
+GRC_GR_QTGUI
+GRC_GR_SOUNDER                 dnl this must come after GRC_USRP
+GRC_GR_UTILS                   dnl this must come after GRC_GR_WXGUI
+GRC_GNURADIO_EXAMPLES          dnl must come after all GRC_GR_*
+GRC_GRC
+GRC_DOCS                       dnl must be last
+
+# Each component is now either to be built, was skipped, will be
+# included from pre-installed libraries and includes, or failed
+# dependencies.
+AC_SUBST([build_dirs], [$build_dirs])
+AC_SUBST([skipped_dirs], [$skipped_dirs])
+AC_SUBST([with_dirs], [$with_dirs])

 
 

-dnl Has list of successfully configured components
-AC_SUBST([subdirs],$subdirs)
-AC_SUBST([failed_subdirs], $failed)
- 
+# fix for older autotools that don't define these by default
+AC_SUBST(abs_top_srcdir)
+AC_SUBST(abs_top_builddir)
+AC_SUBST(MKDIR_P)
+
+# 'with' variables - the pre-installed libraries, includes, and paths
+# - must always come last in the lists, so they require special
+# treatment.
+AC_SUBST(with_INCLUDES)
+AC_SUBST(with_SWIG_INCLUDES)
+AC_SUBST(with_PYDIRPATH)
+AC_SUBST(with_SWIGDIRPATH)
+AC_SUBST(with_LIBDIRPATH)
+
+# Local files tweaked by AC

 AC_CONFIG_FILES([\
 AC_CONFIG_FILES([\

-         Makefile \
-         config/Makefile
+    Makefile \
+    run_tests.sh \
+    config/Makefile \
+    debian/changelog \

 ])
 
 ])
 

+dnl run_tests.sh is created from run_tests.sh.in .  Make it executable.
+AC_CONFIG_COMMANDS([run_tests_build], [chmod +x run_tests.sh])
+

 AC_OUTPUT
 
 echo
 AC_OUTPUT
 
 echo

-echo "*******************************************************************"
+echo "*********************************************************************"

 echo The following GNU Radio components have been successfully configured:
 echo 
 echo The following GNU Radio components have been successfully configured:
 echo 

-for dir in $subdirs
+for dir in $build_dirs

 do
     echo $dir
 done
 echo
 do
     echo $dir
 done
 echo

-if test "$failed" != ""; then
-    echo However, the following components did not configure successfully due to 
-    echo missing dependencies:
+echo You my now run the 'make' command to build these components.
+echo
+if test "$skipped_dirs" != ""; then
+    echo "*********************************************************************"
+    echo The following components were skipped either because you asked not
+    echo to build them or they didn\'t pass configuration checks:

     echo
     echo

-    for dir in $failed
+    for dir in $skipped_dirs

     do
         echo $dir
     done
     echo
     do
         echo $dir
     done
     echo

-    echo You may still run the 'make' command to build the successfully configured
-    echo components.
+    echo These components will not be built.

     echo
     echo

-    #exit 1

 fi
 fi

-echo You my now run the 'make' command to build these packages.
-echo
+if test "$with_dirs" != ""; then
+    echo "*********************************************************************"
+    echo The following components will be included from pre-installed
+    echo libraries and includes:
+    echo
+    for dir in $with_dirs
+    do
+        echo $dir
+    done
+    echo
+    echo These components will not be built.
+    echo
+fi
+