Tk 8.6.10 cross-compilation.

[Mathieu Othacehe]

Hello Marius,

Since the update of Tk to 8.6.10 in core-updates, I have the following error 
when
cross-compiling for aarch64:

--8<---------------cut here---------------start------------->8---
aarch64-linux-gnu-gcc -O2  -pipe    -Wl,--export-dynamic  -shared -o 
libtk8.6.so tk3d.o tkArgv.o tkAtom.o tkBind.o tkBitmap.o tkBusy.o tkClipboard.o 
tkCmds.o tkColor.o tkConfig.o tkConsole.o tkCursor.o tkError.o tkEvent.o 
tkFocus.o tkFont.o tkGet.o tkGC.o tkGeometry.o tkGrab.o tkGrid.o tkMain.o 
tkObj.o tkOldConfig.o tkOption.o tkPack.o tkPlace.o tkSelect.o tkStyle.o 
tkUndo.o tkUtil.o tkVisual.o tkWindow.o tkButton.o tkEntry.o tkFrame.o 
tkListbox.o tkMenu.o tkMenubutton.o tkMenuDraw.o tkMessage.o tkPanedWindow.o 
tkScale.o tkScrollbar.o tkCanvas.o tkCanvArc.o tkCanvBmap.o tkCanvImg.o 
tkCanvLine.o tkCanvPoly.o tkCanvPs.o tkCanvText.o tkCanvUtil.o tkCanvWind.o 
tkRectOval.o tkTrig.o tkImage.o tkImgBmap.o tkImgGIF.o tkImgPNG.o tkImgPPM.o 
tkImgPhoto.o tkImgPhInstance.o tkText.o tkTextBTree.o tkTextDisp.o 
tkTextImage.o tkTextIndex.o tkTextMark.o tkTextTag.o tkTextWind.o tkStubInit.o 
ttkBlink.o ttkButton.o ttkCache.o ttkClamTheme.o ttkClassicTheme.o 
ttkDefaultTheme.o ttkElements.o ttkEntry.o ttkFrame.o ttkImage.o ttkInit.o 
ttkLabel.o ttkLayout.o ttkManager.o ttkNotebook.o ttkPanedwindow.o 
ttkProgress.o ttkScale.o ttkScrollbar.o ttkScroll.o ttkSeparator.o ttkSquare.o 
ttkState.o ttkTagSet.o ttkTheme.o ttkTrace.o ttkTrack.o ttkTreeview.o 
ttkWidget.o ttkStubInit.o tkUnix.o tkUnix3d.o tkUnixButton.o tkUnixColor.o 
tkUnixConfig.o tkUnixCursor.o tkUnixDraw.o tkUnixEmbed.o tkUnixEvent.o 
tkUnixFocus.o  tkUnixFont.o tkUnixInit.o tkUnixKey.o tkUnixMenu.o 
tkUnixMenubu.o tkUnixScale.o tkUnixScrlbr.o tkUnixSelect.o tkUnixSend.o 
tkUnixWm.o tkUnixXId.o  -lpthread  -lX11 -ldl  -lpthread -lm 
-L/gnu/store/69g2cklv99hin2cyvpamxdmxzxlr8l93-tcl-8.6.10/lib -ltclstub8.6   
-Wl,-rpath,/gnu/store/r4ncs29n5a13dl79afglp2d1f2bmlakh-tk-8.6.10/lib:/gnu/store/69g2cklv99hin2cyvpamxdmxzxlr8l93-tcl-8.6.10/lib
aarch64-linux-gnu-ld: 
/gnu/store/69g2cklv99hin2cyvpamxdmxzxlr8l93-tcl-8.6.10/lib/libtclstub8.6.a(strtoul.o):
 in function `strtoul':
(.text+0x30): undefined reference to `TclIsSpaceProc'
aarch64-linux-gnu-ld: libtk8.6.so: hidden symbol `TclIsSpaceProc' isn't defined
aarch64-linux-gnu-ld: final link failed: bad value
--8<---------------cut here---------------end--------------->8---

I opened a ticket on tk bug tracker. Would it be fine to revert tk to
8.6.9 version in the meantime?

Thanks,

Mathieu