Package: src:lablgtk2
Version: 2.18.8+dfsg-1
Severity: normal
Tags: sid bullseye
User: [email protected]
Usertags: ftbfs-gcc-10

Please keep this issue open in the bug tracker for the package it
was filed for.  If a fix in another package is required, please
file a bug for the other package (or clone), and add a block in this
package. Please keep the issue open until the package can be built in
a follow-up test rebuild.

The package fails to build in a test rebuild on at least amd64 with
gcc-10/g++-10, but succeeds to build with gcc-9/g++-9. The
severity of this report will be raised before the bullseye release,
so nothing has to be done for the buster release.

The full build log can be found at:
http://people.debian.org/~doko/logs/gcc10-20200225/lablgtk2_2.18.8+dfsg-1_unstable_gcc10.log
The last lines of the build log are at the end of this report.

To build with GCC 10, either set CC=gcc-10 CXX=g++-10 explicitly,
or install the gcc, g++, gfortran, ... packages from experimental.

  apt-get -t=experimental install g++ 

Common build failures are new warnings resulting in build failures with
-Werror turned on, or new/dropped symbols in Debian symbols files.
For other C/C++ related build failures see the porting guide at
http://gcc.gnu.org/gcc-10/porting_to.html

[...]
ocamlc.opt -I +lablGL  -w s-3+52 -c  ogtkTextProps.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c  ogtkTreeProps.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c  ogtkFileProps.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c  ogtkActionProps.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c  ogtkBrokenProps.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c  ogtkAssistantProps.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gMain.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gMain.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gContainer.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gContainer.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gPack.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gPack.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gButton.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gButton.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gText.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gText.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gMenu.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gMenu.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gMisc.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gMisc.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gTree.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gTree.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gList.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gList.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gFile.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gFile.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gWindow.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gWindow.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gAssistant.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gAssistant.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gBin.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gBin.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gEdit.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gEdit.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gRange.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gRange.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gAction.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gAction.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gBroken.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gBroken.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gUtil.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gUtil.ml
ocamlc.opt -I +lablGL  -w s-3+52 -c gToolbox.mli
ocamlc.opt -I +lablGL  -w s-3+52 -c  gToolbox.ml
ocamlmklib -verbose -ocamlc "ocamlc.opt" -ocamlopt "ocamlopt.opt" -o lablgtk 
-oc lablgtk2 ml_gdkpixbuf.o ml_gdk.o ml_glib.o ml_gobject.o ml_gpointer.o 
ml_gvaluecaml.o wrappers.o ml_gtk.o ml_pango.o ml_gtkaction.o ml_gtkbin.o 
ml_gtkbroken.o ml_gtkbutton.o ml_gtkassistant.o ml_gtkedit.o ml_gtkfile.o 
ml_gtklist.o ml_gtkmenu.o ml_gtkmisc.o ml_gtkpack.o ml_gtkrange.o ml_gtkstock.o 
ml_gtktext.o ml_gtktree.o gaux.cmo gpointer.cmo gutf8.cmo glib.cmo gobject.cmo 
gdkEnums.cmo pangoEnums.cmo gtkEnums.cmo pango.cmo gdk.cmo gdkEvent.cmo 
gdkKeysyms.cmo gdkPixbuf.cmo gtk.cmo gtkSignal.cmo gtkStock.cmo gtkObject.cmo 
gtkBaseProps.cmo gtkBinProps.cmo gtkButtonProps.cmo gtkEditProps.cmo 
gtkListProps.cmo gtkMenuProps.cmo gtkMiscProps.cmo gtkPackProps.cmo 
gtkRangeProps.cmo gtkTextProps.cmo gtkTreeProps.cmo gtkFileProps.cmo 
gtkActionProps.cmo gtkBrokenProps.cmo gtkAssistantProps.cmo gtkData.cmo 
gtkBase.cmo gtkPack.cmo gtkButton.cmo gtkAssistant.cmo gtkMenu.cmo gtkMisc.cmo 
gtkWindow.cmo gtkList.cmo gtkBin.
 cmo gtkEdit.cmo gtkRange.cmo gtkText.cmo gtkTree.cmo gtkFile.cmo gtkMain.cmo 
gtkBroken.cmo gPango.cmo gDraw.cmo gObj.cmo ogtkBaseProps.cmo gData.cmo 
ogtkBinProps.cmo ogtkButtonProps.cmo ogtkEditProps.cmo ogtkListProps.cmo 
ogtkMenuProps.cmo ogtkMiscProps.cmo ogtkPackProps.cmo ogtkRangeProps.cmo 
ogtkTextProps.cmo ogtkTreeProps.cmo ogtkFileProps.cmo ogtkActionProps.cmo 
ogtkBrokenProps.cmo ogtkAssistantProps.cmo gMain.cmo gContainer.cmo gPack.cmo 
gButton.cmo gText.cmo gMenu.cmo gMisc.cmo gTree.cmo gList.cmo gFile.cmo 
gWindow.cmo gAssistant.cmo gBin.cmo gEdit.cmo gRange.cmo gAction.cmo 
gBroken.cmo gUtil.cmo gToolbox.cmo -lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 
-latk-1.0 -lcairo -lgdk_pixbuf-2.0 -lgio-2.0 -lpangoft2-1.0 -lpango-1.0 
-lgobject-2.0 -lglib-2.0 -lfontconfig -lfreetype
+ x86_64-linux-gnu-gcc -shared -Wl,-z,relro -Wl,-z,now  -o ./dlllablgtk2.so 
ml_gdkpixbuf.o ml_gdk.o ml_glib.o ml_gobject.o ml_gpointer.o ml_gvaluecaml.o 
wrappers.o ml_gtk.o ml_pango.o ml_gtkaction.o ml_gtkbin.o ml_gtkbroken.o 
ml_gtkbutton.o ml_gtkassistant.o ml_gtkedit.o ml_gtkfile.o ml_gtklist.o 
ml_gtkmenu.o ml_gtkmisc.o ml_gtkpack.o ml_gtkrange.o ml_gtkstock.o ml_gtktext.o 
ml_gtktree.o    -lgtk-x11-2.0 -lgdk-x11-2.0 -lpangocairo-1.0 -latk-1.0 -lcairo 
-lgdk_pixbuf-2.0 -lgio-2.0 -lpangoft2-1.0 -lpango-1.0 -lgobject-2.0 -lglib-2.0 
-lfontconfig -lfreetype 
/usr/bin/ld: ml_gdk.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtk.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkbin.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkbroken.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkbutton.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkassistant.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkedit.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtklist.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkmenu.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkmisc.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkpack.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkrange.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtkstock.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtktext.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
/usr/bin/ld: ml_gtktree.o:(.bss+0x0): multiple definition of 
`ml_table_extension_events'; ml_gdkpixbuf.o:(.bss+0x0): first defined here
collect2: error: ld returned 1 exit status
make[3]: *** [Makefile:467: lablgtk.cma] Error 2
make[3]: Leaving directory '/<<PKGBUILDDIR>>/src'
make[2]: *** [Makefile:5: all] Error 2
make[2]: Leaving directory '/<<PKGBUILDDIR>>'
make[1]: *** [debian/rules:24: override_dh_auto_build] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make: *** [debian/rules:13: build] Error 2
dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2

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