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Re: vnc-3.3.7 with cygwin

From: Harold L Hunt II <huntharo at msu dot edu>
To: cygwin-xfree at cygwin dot com
Date: Sun, 23 Mar 2003 21:15:19 -0500
Subject: Re: vnc-3.3.7 with cygwin
References: <058601c2f1a9$6525ac50$2000000a@schlepptopp>
Reply-to: cygwin-xfree at cygwin dot com

You have to have Cygwin/XFree86 compiled with the shared memory extension (SHM), which is not in the standard distribution. You can look at the KDE on Cygwin project for binaries with the SHM extension enabled. SHM is not on by default because it depends on another Cygwin package (cygipc, or does it have a new name now?) that has not been blessed as stable/supported yet. So, we could not distributed a VNC binary for Cygwin/XFree86 that was installed via setup.exe until we use the SHM extension in the standard build.

Usually when people want to use an X program that is available as a native Windows binary we ask them why they are trying to do this. I am sure you have your reasons, but understand that most people probably won't share your motivations... Good luck with it if you decide to pursue it.

Harold

roland wrote:

Hi cygwinners,

i searched the net a bit and saw, that some time ago, s.o. made xvnc run under cygwin. Unfortunately I didn`t find any binary download on the net, so I gave it a try to compile it from source (http://www.realvnc.com/dist/vnc-3.3.7-unixsrc.tar.gz). I looked very compromising for the first part of compile (just had to modify some paths in Makefile because some libs/headers wouldn`t be found without - but then I got:

c++ -O2 -Wall -L/usr/X11R6/lib -o vncviewer argsresources.o colour.o desktop.o dialogs.o fullscreen.o listen.o misc.o popup.o rfbproto.o selection.o shm.o vncv iewer.o sockets.o zrle.o buildtime.o ../rfb/librfb.a ../rdr/librdr.a ../zlib/li bz.a -lXmu -lXaw -lXt -lX11 -lXext shm.o(.text+0x69):shm.c: undefined reference to `_shmdt' shm.o(.text+0x86):shm.c: undefined reference to `_shmctl' shm.o(.text+0xe5):shm.c: undefined reference to `_XShmQueryExtension' shm.o(.text+0x149):shm.c: undefined reference to `_XShmCreateImage' shm.o(.text+0x172):shm.c: undefined reference to `_shmget' shm.o(.text+0x198):shm.c: undefined reference to `_shmat' shm.o(.text+0x1d4):shm.c: undefined reference to `_XShmAttach' shm.o(.text+0x20d):shm.c: undefined reference to `_shmdt' shm.o(.text+0x22a):shm.c: undefined reference to `_shmctl' /usr/X11R6/lib/libXaw.a(Form.o)(.text+0x45f):Form.c: undefined reference to `_Xm uNewCvtStringToWidget' /usr/X11R6/lib/libXaw.a(Form.o)(.text+0x481):Form.c: undefined reference to `_Xm uCvtWidgetToString' /usr/X11R6/lib/libXaw.a(Toggle.o)(.text+0xc7):Toggle.c: undefined reference to


I cannot evaluate, if this is a minor or a major problem - but perhaps someone of you
experts can tell me, what`s wrong here and what can be done to fix this. (i`m admin
with marginal programming skills)

please reply to my mailadress, too - i`m not subscribed to this list.

TIA & regards
roland


tester at schlepptopp /tmp/vnc-3.3.7-unixsrc
$ make
make[1]: Entering directory `/tmp/vnc-3.3.7-unixsrc/zlib'
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o example.o example.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o adler32.o adler32.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o compress.o compress.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o crc32.o crc32.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o gzio.o gzio.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o uncompr.o uncompr.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o deflate.o deflate.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o trees.o trees.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o zutil.o zutil.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o inflate.o inflate.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o infblock.o infblock.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o inftrees.o inftrees.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o infcodes.o infcodes.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o infutil.o infutil.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o inffast.o inffast.c
ar rc libz.a adler32.o compress.o crc32.o gzio.o uncompr.o deflate.o trees.o zut
il.o inflate.o infblock.o inftrees.o infcodes.o infutil.o inffast.o
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP -o example example.o -L. -lz
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP   -c -o minigzip.o minigzip.c
gcc -O3 -DHAVE_UNISTD_H -DUSE_MMAP -o minigzip minigzip.o -L. -lz
make[1]: Leaving directory `/tmp/vnc-3.3.7-unixsrc/zlib'
make[1]: Entering directory `/tmp/vnc-3.3.7-unixsrc/rdr'
c++  -DX_DISPLAY_MISSING=1  -I.. -I../zlib -O2 -Wall -c FdInStream.cxx
c++  -DX_DISPLAY_MISSING=1  -I.. -I../zlib -O2 -Wall -c FdOutStream.cxx
c++  -DX_DISPLAY_MISSING=1  -I.. -I../zlib -O2 -Wall -c InStream.cxx
c++  -DX_DISPLAY_MISSING=1  -I.. -I../zlib -O2 -Wall -c NullOutStream.cxx
c++  -DX_DISPLAY_MISSING=1  -I.. -I../zlib -O2 -Wall -c ZlibInStream.cxx
c++  -DX_DISPLAY_MISSING=1  -I.. -I../zlib -O2 -Wall -c ZlibOutStream.cxx
rm -f librdr.a
ar cq librdr.a FdInStream.o FdOutStream.o InStream.o NullOutStream.o ZlibInStrea
m.o ZlibOutStream.o
ranlib librdr.a
make[1]: Leaving directory `/tmp/vnc-3.3.7-unixsrc/rdr'
make[1]: Entering directory `/tmp/vnc-3.3.7-unixsrc/rfb'
gcc  -DX_DISPLAY_MISSING=1  -I.. -O2 -Wall  -c d3des.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -O2 -Wall  -c vncauth.c
rm -f librfb.a
ar cq librfb.a d3des.o vncauth.o
ranlib librfb.a
make[1]: Leaving directory `/tmp/vnc-3.3.7-unixsrc/rfb'
make[1]: Entering directory `/tmp/vnc-3.3.7-unixsrc/vncconnect'
gcc  -DX_DISPLAY_MISSING=1   -O2 -Wall -L/usr/X11R6/lib  -c vncconnect.c
rm -f vncconnect
gcc -O2 -Wall -L/usr/X11R6/lib   -o vncconnect vncconnect.o   -lX11 -lXext
make[1]: Leaving directory `/tmp/vnc-3.3.7-unixsrc/vncconnect'
make[1]: Entering directory `/tmp/vnc-3.3.7-unixsrc/vncpasswd'
gcc  -DX_DISPLAY_MISSING=1  -I.. -O2 -Wall  -c vncpasswd.c
rm -f vncpasswd
gcc -O2 -Wall   -o vncpasswd vncpasswd.o ../rfb/librfb.a
make[1]: Leaving directory `/tmp/vnc-3.3.7-unixsrc/vncpasswd'
make[1]: Entering directory `/tmp/vnc-3.3.7-unixsrc/vncviewer'
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c argsresources.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c colour.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c desktop.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c dialogs.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c fullscreen.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c listen.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c misc.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c popup.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c rfbproto.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c selection.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c shm.c
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c vncviewer.c
c++  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib -c sockets.cxx
c++  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib -c zrle.cxx
gcc  -DX_DISPLAY_MISSING=1  -I.. -I/usr/include/cygwin -DVNC_SOCKLEN_T=socklen_t
   -O2 -Wall -L/usr/X11R6/lib  -c buildtime.c
rm -f vncviewer
c++ -O2 -Wall -L/usr/X11R6/lib  -o vncviewer argsresources.o colour.o desktop.o
dialogs.o fullscreen.o listen.o misc.o popup.o rfbproto.o selection.o shm.o vncv
iewer.o sockets.o zrle.o buildtime.o ../rfb/librfb.a ../rdr/librdr.a  ../zlib/li
bz.a   -lXmu -lXaw -lXt -lX11 -lXext
shm.o(.text+0x69):shm.c: undefined reference to `_shmdt'
shm.o(.text+0x86):shm.c: undefined reference to `_shmctl'
shm.o(.text+0xe5):shm.c: undefined reference to `_XShmQueryExtension'
shm.o(.text+0x149):shm.c: undefined reference to `_XShmCreateImage'
shm.o(.text+0x172):shm.c: undefined reference to `_shmget'
shm.o(.text+0x198):shm.c: undefined reference to `_shmat'
shm.o(.text+0x1d4):shm.c: undefined reference to `_XShmAttach'
shm.o(.text+0x20d):shm.c: undefined reference to `_shmdt'
shm.o(.text+0x22a):shm.c: undefined reference to `_shmctl'
/usr/X11R6/lib/libXaw.a(Form.o)(.text+0x45f):Form.c: undefined reference to `_Xm
uNewCvtStringToWidget'
/usr/X11R6/lib/libXaw.a(Form.o)(.text+0x481):Form.c: undefined reference to `_Xm
uCvtWidgetToString'
/usr/X11R6/lib/libXaw.a(Toggle.o)(.text+0xc7):Toggle.c: undefined reference to `
_XmuNewCvtStringToWidget'
/usr/X11R6/lib/libXaw.a(Toggle.o)(.text+0xe9):Toggle.c: undefined reference to `
_XmuCvtWidgetToString'
/usr/X11R6/lib/libXaw.a(Command.o)(.text+0x857):Command.c: undefined reference t
o `_XmuCvtStringToShapeStyle'
/usr/X11R6/lib/libXaw.a(Command.o)(.text+0x879):Command.c: undefined reference t
o `_XmuCvtShapeStyleToString'
/usr/X11R6/lib/libXaw.a(Command.o)(.text+0x8ef):Command.c: undefined reference t
o `_XmuReshapeWidget'
/usr/X11R6/lib/libXaw.a(Command.o)(.text+0xa19):Command.c: undefined reference t
o `_XmuCreateStippledPixmap'
/usr/X11R6/lib/libXaw.a(Pixmap.o)(.text+0x1d4b):Pixmap.c: undefined reference to
 `_XpmReadFileToPixmap'
/usr/X11R6/lib/libXaw.a(Scrollbar.o)(.text+0xfb):Scrollbar.c: undefined referenc
e to `_XmuCvtStringToOrientation'
/usr/X11R6/lib/libXaw.a(Scrollbar.o)(.text+0x11d):Scrollbar.c: undefined referen
ce to `_XmuCvtOrientationToString'
/usr/X11R6/lib/libXaw.a(Scrollbar.o)(.text+0x4aa):Scrollbar.c: undefined referen
ce to `_XmuCreateStippledPixmap'
/usr/X11R6/lib/libXaw.a(Label.o)(.text+0x83):Label.c: undefined reference to `_X
muCvtStringToJustify'
/usr/X11R6/lib/libXaw.a(Label.o)(.text+0xa5):Label.c: undefined reference to `_X
muCvtJustifyToString'
/usr/X11R6/lib/libXaw.a(Label.o)(.text+0x613):Label.c: undefined reference to `_
XmuCreateStippledPixmap'
/usr/X11R6/lib/libXaw.a(Label.o)(.text+0xf96):Label.c: undefined reference to `_
XmuReleaseStippledPixmap'
/usr/X11R6/lib/libXaw.a(Label.o)(.text+0x108f):Label.c: undefined reference to `
_XmuReleaseStippledPixmap'
/usr/X11R6/lib/libXaw.a(Vendor.o)(.text+0x22d):Vendor.c: undefined reference to
`_XmuCvtStringToCursor'
/usr/X11R6/lib/libXaw.a(Vendor.o)(.text+0x24e):Vendor.c: undefined reference to
`_XmuCvtStringToBitmap'
/usr/X11R6/lib/libXaw.a(Vendor.o)(.text+0x314):Vendor.c: undefined reference to
`__XEditResCheckMessages'
/usr/X11R6/lib/libXaw.a(Vendor.o)(.text+0x32b):Vendor.c: undefined reference to
`_XmuRegisterExternalAgent'
/usr/X11R6/lib/libXaw.a(Simple.o)(.text+0x11e):Simple.c: undefined reference to
`_XmuCvtStringToColorCursor'
/usr/X11R6/lib/libXaw.a(Simple.o)(.text+0x2f0):Simple.c: undefined reference to
`_XmuCreateStippledPixmap'
/usr/X11R6/lib/libXaw.a(Simple.o)(.text+0x76b):Simple.c: undefined reference to
`_XmuCreateStippledPixmap'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0xc92):Text.c: undefined reference to `_Xm
uNewScanline'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x10c4):Text.c: undefined reference to `_X
muScanlineOrSegment'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x21a1):Text.c: undefined reference to `_X
muScanlineXor'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x3c43):Text.c: undefined reference to `_X
muOptimizeScanline'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x3f10):Text.c: undefined reference to `_X
muNewArea'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x4068):Text.c: undefined reference to `_X
muAreaOrXor'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x4100):Text.c: undefined reference to `_X
muDestroyScanlineList'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x4361):Text.c: undefined reference to `_X
muAreaOrXor'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x43e3):Text.c: undefined reference to `_X
muAreaOrXor'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x4f2c):Text.c: undefined reference to `_X
muScanlineXor'
/usr/X11R6/lib/libXaw.a(Text.o)(.text+0x561c):Text.c: undefined reference to `_X
muDestroySegmentList'
/usr/X11R6/lib/libXaw.a(AsciiSink.o)(.text+0xb35):AsciiSink.c: undefined referen
ce to `_XmuAreaOrXor'
/usr/X11R6/lib/libXaw.a(AsciiSink.o)(.text+0xb6f):AsciiSink.c: undefined referen
ce to `_XmuAreaOrXor'
/usr/X11R6/lib/libXaw.a(AsciiSink.o)(.text+0xb85):AsciiSink.c: undefined referen
ce to `_XmuNewArea'
/usr/X11R6/lib/libXaw.a(AsciiSink.o)(.text+0xbfb):AsciiSink.c: undefined referen
ce to `_XmuNewArea'
/usr/X11R6/lib/libXaw.a(AsciiSink.o)(.text+0xc38):AsciiSink.c: undefined referen
ce to `_XmuAreaOrXor'
/usr/X11R6/lib/libXaw.a(AsciiSink.o)(.text+0xe0e):AsciiSink.c: undefined referen
ce to `_XmuAreaOrXor'
/usr/X11R6/lib/libXaw.a(TextSink.o)(.text+0x6ca):TextSink.c: undefined reference
 to `_XmuNewArea'
/usr/X11R6/lib/libXaw.a(TextSink.o)(.text+0x7a9):TextSink.c: undefined reference
 to `_XmuDestroyScanlineList'
/usr/X11R6/lib/libXaw.a(TextSink.o)(.text+0x7cf):TextSink.c: undefined reference
 to `_XmuDestroyScanlineList'
/usr/X11R6/lib/libXaw.a(TextSink.o)(.text+0x817):TextSink.c: undefined reference
 to `_XmuDestroyScanlineList'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3536):Shell.c: undefined reference to `_
SmcCloseConnection'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3617):Shell.c: undefined reference to `_
SmcModifyCallbacks'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3626):Shell.c: undefined reference to `_
SmcClientID'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3686):Shell.c: undefined reference to `_
SmcOpenConnection'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x37b6):Shell.c: undefined reference to `_
SmcGetIceConnection'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x37cd):Shell.c: undefined reference to `_
IceConnectionNumber'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3d51):Shell.c: undefined reference to `_
SmcSetProperties'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3de4):Shell.c: undefined reference to `_
SmcSetProperties'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3e4d):Shell.c: undefined reference to `_
SmcDeleteProperties'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3e7c):Shell.c: undefined reference to `_
SmcGetIceConnection'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3e85):Shell.c: undefined reference to `_
IceProcessMessages'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x3f26):Shell.c: undefined reference to `_
SmcSaveYourselfDone'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x408a):Shell.c: undefined reference to `_
SmcInteractDone'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x41ab):Shell.c: undefined reference to `_
SmcSaveYourselfDone'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x43f1):Shell.c: undefined reference to `_
SmcInteractRequest'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x448e):Shell.c: undefined reference to `_
SmcInteractDone'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x44da):Shell.c: undefined reference to `_
SmcRequestSaveYourselfPhase2'
/usr/X11R6/lib/libXt.a(Shell.o)(.text+0x4501):Shell.c: undefined reference to `_
SmcSaveYourselfDone'
collect2: ld returned 1 exit status
make[1]: *** [vncviewer] Error 1
make[1]: Leaving directory `/tmp/vnc-3.3.7-unixsrc/vncviewer'
make: *** [all] Error 1

References:
- vnc-3.3.7 with cygwin
  - From: roland

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