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156 lines
5.1 KiB
156 lines
5.1 KiB
This is PORTING Tue Nov 13 14:45:26 MST 2001
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If you want to port rxtx to a new Unix platform do the following.
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*IMPORTANT* you will need gnu make.
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There are probably three areas you will need to focus on:
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configure.in
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src/SerialImp.c src/SerialImp.h src/ParallelImp.c
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RXTXCommDriver.java (just add the ports for your OS)
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configure.in grabs information about the OS, Java, ... and tries to set sane
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values for the Makefile. Look towards the bottom of configure.in and just
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copy *bsd or HP-UX. Modify to your liking.
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Edit configure.in, run autoconf, run configure, run make. repeat. An endless
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loop analagous to shampoo instructions.
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SerialImp.c and ParallelImp.c may require system specific includes and possibly
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a small amount of #ifdef's in the code. Lock file information will need to
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be added to SerialImp.h
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SerialImp.h will need defines for the location of lock files and the lock file
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type if they are used. See BSD or Linux as examples.
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Common problems include the following varibles in the Makefile
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JAVAINCLUDE
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JAVANATINC
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CLASSPATH
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Which are defined in configure.in
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We will gladly help with any UNIX platform. Send questions to
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taj@www.linux.org.uk. New OS's usually require tweaks.
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If its not compiling try backing out functionality until it compiles.
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win32 support has not been tested. Contact taj@www.linux.org.uk if your
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interested in developing win32 support.
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For all Unix flavors... If the package did not work out of the box please
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see BUGS and send a comment.
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Here are more details sent to the rxtx mail list:
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Here are some tips for starters.
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There are three files you will need to modify.
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configure.in
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HP-UX)
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# compiler flags required to build. Often enables POSIX termios
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# support and related #defines
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CFLAGS="-g -Aa +e -D__hpux__ -D_HPUX_SOURCE -D_NO_POSIX=1
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-D_NO_XOPEN4=1"
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# location for the library libSerial.so
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RXTX_PATH="\$(JPATH)/jre/lib/\$(OS_ARCH)"
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#Libraries to build. libSerial.la and libParallel.la are options
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# libSerial.la is usually ported first and has had more work/tests
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TARGETLIB="\$(target_alias)/libSerial.la"
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# Handle java quirks here.
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case $JAVA_VERSION in
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HP-UX\ Java\ C.01.2*|HP-UX\ Java\ C.01.3*)
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# function call
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fix_parameters $JPATH/jre/lib/javax.comm.properties
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# location for comm.jar and jcl.jar (RXTX)
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JHOME=$JPATH"/jre/lib/ext"
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# classpath for building (hackish)
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CLASSPATH=".:\$(TOP):\$(TOP)/src:\$(JPATH)/lib/classes.zip:\$(JPATH)/jre/lib/ext/comm.jar:$CLASSPATH"
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# location for libSerial.so .. again I see.
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RXTX_PATH="\$(JPATH)/jre/lib/\$(OS_ARCH)"
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;;
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*)
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echo "$JAVA_VERSION untests"
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# possibly more java specific cases...
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esac;
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That should be enough to get Makefile with autoconf/automake/configure.
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the autogen.sh script can be used to bring the version of scripts you have
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into the top rxtx directory. Helpfull if you cant get the same versions
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used. hmm I need to update the INSTALL info here.
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libtool 1.3.5
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autoconf 2.13
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automake 1.4
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gnu make 3.79.1
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Makefile.am is changed to create new Makefiles
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Makefile.in is generated from it with automake
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Makefile is generated with the configure script
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configure.in is changed to create new configure scripts
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configure is generated from configure.in with automake
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A hard coded Makefile is also possible. I can send you the output of a
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typical make session off the list if you like.
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Source changes:
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RXTXCommDriver.java
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Port enumeration needs to know which ports to check.
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private void registerScannedPorts(int PortType){}
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has code like the following listing the ports on that system. Again
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os.name is used to determine the system.
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....
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else if(osName.equals("HP-UX"))
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{
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String[] Temp = {
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"tty0p",// HP-UX serial ports
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"tty1p" // HP-UX serial ports
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};
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CandidatePortPrefixes=Temp;
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}
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Next, one should fix the port locking. RXTX supports FHS locks, UUCP and
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no locks. One could start with no locking at first and then add the lock
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capability later:
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SerialImp.h
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#if defined(__hpux__)
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/* modif cath */
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/* The directory the device files are in */
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# define DEVICEDIR "/dev/"
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/* the directory to place the lock files */
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# define LOCKDIR "/usr/spool/uucp"
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/* what the prefix is for lockfiles example: LK.134.124.124 */
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# define LOCKFILEPREFIX "LK."
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/* UUCP of FHS locking */
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# define UUCP
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#endif /* __hpux__ */
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for starters you may do something like:
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#if defined(WIN32)
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# define DEVICEDIR ""
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# define LOCKDIR ""
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# define LOCKFILEPREFIX ""
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#endif /* WIN32 */
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to disable lock files.
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That should be it. Some changes to SerialImp.c may be needed for compiler
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errors.
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