I am using Gentoo and the gentoo-gnome overlay to get some recent version of Gnome packages.

After using glib-2.55.0 (and gobject-introspection 1.55.0) I was not able to compile gtk+-2.24.31 anymore.

It always result into this error on linkage of libgtk-x11-2.0.so.0.2400.3:
===
libtool: link:  x86_64-pc-linux-gnu-gcc -shared  -fPIC -DPIC  .libs/gtkquery.o .libs/gtksearchengine.o .libs/gtksearchenginesimple.o .libs/fnmatch.o .libs/gtkaboutdialog.o .libs/gtkaccelgroup.o .libs/gtkaccellabel.o .libs/gtkaccelmap.o .libs/gtkaccessible.o .libs/gtkaction.o .libs/gtkactiongroup.o .libs/gtkactivatable.o .libs/gtkadjustment.o .libs/gtkalignment.o .libs/gtkarrow.o .libs/gtkaspectframe.o .libs/gtkassistant.o .libs/gtkbbox.o .libs/gtkbin.o .libs/gtkbindings.o .libs/gtkbox.o .libs/gtkbuildable.o .libs/gtkbuilder.o .libs/gtkbuilderparser.o .libs/gtkbutton.o .libs/gtkcalendar.o .libs/gtkcelleditable.o .libs/gtkcelllayout.o .libs/gtkcellrenderer.o .libs/gtkcellrendereraccel.o .libs/gtkcellrenderercombo.o .libs/gtkcellrendererpixbuf.o .libs/gtkcellrendererprogress.o .libs/gtkcellrendererspin.o .libs/gtkcellrendererspinner.o .libs/gtkcellrenderertext.o .libs/gtkcellrenderertoggle.o .libs/gtkcellview.o .libs/gtkcheckbutton.o .libs/gtkcheckmenuitem.o .libs/gtkcolorbutton.o .libs/gtkcolorsel.o .libs/gtkcolorseldialog.o .libs/gtkcombobox.o .libs/gtkcomboboxentry.o .libs/gtkcomboboxtext.o .libs/gtkcontainer.o .libs/gtkdialog.o .libs/gtkdrawingarea.o .libs/gtkeditable.o .libs/gtkentry.o .libs/gtkentrybuffer.o .libs/gtkentrycompletion.o .libs/gtkeventbox.o .libs/gtkexpander.o .libs/gtkfilechooser.o .libs/gtkfilechooserbutton.o .libs/gtkfilechooserdefault.o .libs/gtkfilechooserdialog.o .libs/gtkfilechooserembed.o .libs/gtkfilechooserentry.o .libs/gtkfilechoosersettings.o .libs/gtkfilechooserutils.o .libs/gtkfilechooserwidget.o .libs/gtkfilefilter.o .libs/gtkfilesystem.o .libs/gtkfilesystemmodel.o .libs/gtkfixed.o .libs/gtkfontbutton.o .libs/gtkfontsel.o .libs/gtkframe.o .libs/gtkgc.o .libs/gtkhandlebox.o .libs/gtkhbbox.o .libs/gtkhbox.o .libs/gtkhpaned.o .libs/gtkhruler.o .libs/gtkhscale.o .libs/gtkhscrollbar.o .libs/gtkhseparator.o .libs/gtkhsv.o .libs/gtkiconcache.o .libs/gtkiconcachevalidator.o .libs/gtkiconfactory.o .libs/gtkicontheme.o .libs/gtkiconview.o .libs/gtkimage.o .libs/gtkimagemenuitem.o .libs/gtkimcontext.o .libs/gtkimcontextsimple.o .libs/gtkimmodule.o .libs/gtkimmulticontext.o .libs/gtkinfobar.o .libs/gtkinputdialog.o .libs/gtkinvisible.o .libs/gtkitem.o .libs/gtkkeyhash.o .libs/gtklabel.o .libs/gtklayout.o .libs/gtklinkbutton.o .libs/gtkliststore.o .libs/gtkmain.o .libs/gtkmarshal.o .libs/gtkmarshalers.o .libs/gtkmenu.o .libs/gtkmenubar.o .libs/gtkmenuitem.o .libs/gtkmenushell.o .libs/gtkmenutoolbutton.o .libs/gtkmessagedialog.o .libs/gtkmisc.o .libs/gtkmnemonichash.o .libs/gtkmodules.o .libs/gtkmountoperation.o .libs/gtknotebook.o .libs/gtkobject.o .libs/gtkoffscreenwindow.o .libs/gtkorientable.o .libs/gtkpagesetup.o .libs/gtkpaned.o .libs/gtkpango.o .libs/gtkpapersize.o .libs/gtkpathbar.o .libs/gtkplug.o .libs/gtkprintcontext.o .libs/gtkprintoperation.o .libs/gtkprintoperationpreview.o .libs/gtkprintsettings.o .libs/gtkprintutils.o .libs/gtkprogressbar.o .libs/gtkradioaction.o .libs/gtkradiobutton.o .libs/gtkradiomenuitem.o .libs/gtkradiotoolbutton.o .libs/gtkrange.o .libs/gtkrbtree.o .libs/gtkrc.o .libs/gtkrecentaction.o .libs/gtkrecentchooserdefault.o .libs/gtkrecentchooserdialog.o .libs/gtkrecentchoosermenu.o .libs/gtkrecentchooserwidget.o .libs/gtkrecentchooserutils.o .libs/gtkrecentchooser.o .libs/gtkrecentfilter.o .libs/gtkrecentmanager.o .libs/gtkruler.o .libs/gtkscale.o .libs/gtkscalebutton.o .libs/gtkscrollbar.o .libs/gtkscrolledwindow.o .libs/gtkselection.o .libs/gtkseparator.o .libs/gtkseparatormenuitem.o .libs/gtkseparatortoolitem.o .libs/gtksettings.o .libs/gtksizegroup.o .libs/gtkshow.o .libs/gtksocket.o .libs/gtkspinbutton.o .libs/gtkspinner.o .libs/gtkstatusbar.o .libs/gtkstatusicon.o .libs/gtkstock.o .libs/gtkstyle.o .libs/gtktable.o .libs/gtktearoffmenuitem.o .libs/gtktestutils.o .libs/gtktextbtree.o .libs/gtktextbuffer.o .libs/gtktextbufferrichtext.o .libs/gtktextbufferserialize.o .libs/gtktextchild.o .libs/gtktextdisplay.o .libs/gtktextiter.o .libs/gtktextlayout.o .libs/gtktextmark.o .libs/gtktextsegment.o .libs/gtktexttag.o .libs/gtktexttagtable.o .libs/gtktexttypes.o .libs/gtktextutil.o .libs/gtktextview.o .libs/gtkthemes.o .libs/gtktoggleaction.o .libs/gtktogglebutton.o .libs/gtktoggletoolbutton.o .libs/gtktoolbar.o .libs/gtktoolbutton.o .libs/gtktoolitem.o .libs/gtktoolitemgroup.o .libs/gtktoolpalette.o .libs/gtktoolshell.o .libs/gtktooltip.o .libs/gtktreedatalist.o .libs/gtktreednd.o .libs/gtktreemodel.o .libs/gtktreemodelfilter.o .libs/gtktreemodelsort.o .libs/gtktreeselection.o .libs/gtktreesortable.o .libs/gtktreestore.o .libs/gtktreeview.o .libs/gtktreeviewcolumn.o .libs/gtktypebuiltins.o .libs/gtktypeutils.o .libs/gtkuimanager.o .libs/gtkvbbox.o .libs/gtkvbox.o .libs/gtkvolumebutton.o .libs/gtkviewport.o .libs/gtkvpaned.o .libs/gtkvruler.o .libs/gtkvscale.o .libs/gtkvscrollbar.o .libs/gtkvseparator.o .libs/gtkwidget.o .libs/gtkwindow-decorate.o .libs/gtkwindow.o .libs/gtkclipboard.o .libs/gtkdnd.o .libs/gtktext.o .libs/gtktree.o .libs/gtktreeitem.o .libs/gtkclist.o .libs/gtkcombo.o .libs/gtkctree.o .libs/gtkcurve.o .libs/gtkfilesel.o .libs/gtkgamma.o .libs/gtkitemfactory.o .libs/gtklist.o .libs/gtklistitem.o .libs/gtkoldeditable.o .libs/gtkoptionmenu.o .libs/gtkpixmap.o .libs/gtkpreview.o .libs/gtkprogress.o .libs/gtksignal.o .libs/gtktipsquery.o .libs/gtktooltips.o .libs/gtkcustompaperunixdialog.o .libs/gtkpagesetupunixdialog.o .libs/gtkprinter.o .libs/gtkprinteroption.o .libs/gtkprinteroptionset.o .libs/gtkprinteroptionwidget.o .libs/gtkprintjob.o .libs/gtkprintoperation-unix.o .libs/gtkprintunixdialog.o .libs/gtkprintbackend.o .libs/gtksearchenginebeagle.o .libs/gtksearchenginetracker.o .libs/gtkplug-x11.o .libs/gtksocket-x11.o .libs/gtkxembed.o .libs/gtktrayicon-x11.o .libs/gtkmountoperation-x11.o   -Wl,-rpath -Wl,/var/tmp/portage/x11-libs/gtk+-2.24.31-r1/work/gtk+-2.24.31-abi_x86_64.amd64/gdk/.libs -Wl,--as-needed ../gdk/.libs/libgdk-x11-2.0.so -lXrender -lXi -lXrandr -lXcursor -lXext -lgmodule-2.0 -lpangocairo-1.0 -lX11 -lXcomposite -lXdamage -lXfixes -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 -lm  -march=native -O2 -Wl,-O1 -Wl,--export-dynamic -pthread   -pthread -Wl,-soname -Wl,libgtk-x11-2.0.so.0 -Wl,-version-script -Wl,.libs/libgtk-x11-2.0.ver -o .libs/libgtk-x11-2.0.so.0.2400.31
.libs/gtkmarshalers.o: In function `g_cclosure_marshal_VOID__BOOLEAN':
gtkmarshalers.c:(.text+0x1740): multiple definition of `g_cclosure_marshal_VOID__BOOLEAN'
.libs/gtkmarshal.o:gtkmarshal.c:(.text+0x710): first defined here
.libs/gtkmarshalers.o: In function `g_cclosure_marshal_VOID__BOXED':
gtkmarshalers.c:(.text+0x1860): multiple definition of `g_cclosure_marshal_VOID__BOXED'
.libs/gtkmarshal.o:gtkmarshal.c:(.text+0x7a0): first defined here
.libs/gtkmarshalers.o: In function `g_cclosure_marshal_VOID__ENUM':
gtkmarshalers.c:(.text+0x1ce0): multiple definition of `g_cclosure_marshal_VOID__ENUM'
.libs/gtkmarshal.o:gtkmarshal.c:(.text+0x830): first defined here
.libs/gtkmarshalers.o: In function `g_cclosure_marshal_VOID(int0_t)':
gtkmarshalers.c:(.text+0x2160): multiple definition of `g_cclosure_marshal_VOID(int0_t)'
.libs/gtkmarshal.o:gtkmarshal.c:(.text+0x9e0): first defined here
.libs/gtkmarshalers.o: In function `g_cclosure_marshal_VOID__OBJECT':
gtkmarshalers.c:(.text+0x2430): multiple definition of `g_cclosure_marshal_VOID__OBJECT'
.libs/gtkmarshal.o:gtkmarshal.c:(.text+0xc10): first defined here
.libs/gtkmarshalers.o: In function `g_cclosure_marshal_VOID__POINTER':
gtkmarshalers.c:(.text+0x2c30): multiple definition of `g_cclosure_marshal_VOID__POINTER'
.libs/gtkmarshal.o:gtkmarshal.c:(.text+0xca0): first defined here
.libs/gtkmarshalers.o: In function `g_cclosure_marshal_VOID__STRING':
gtkmarshalers.c:(.text+0x2f90): multiple definition of `g_cclosure_marshal_VOID__STRING'
.libs/gtkmarshal.o:gtkmarshal.c:(.text+0x1260): first defined here
.libs/gtkmarshalers.o: In function `g_cclosure_marshal_VOID(int13_t &&) volatile':
gtkmarshalers.c:(.text+0x3710): multiple definition of `g_cclosure_marshal_VOID(int13_t &&) volatile'
.libs/gtkmarshal.o:gtkmarshal.c:(.text+0xb90): first defined here
collect2: error: ld returned 1 exit status
make[4]: *** [Makefile:2426: libgtk-x11-2.0.la] Error 1
make[4]: Leaving directory '/var/tmp/portage/x11-libs/gtk+-2.24.31-r1/work/gtk+-2.24.31-abi_x86_64.amd64/gtk'
make[3]: *** [Makefile:5081: all-recursive] Error 1
make[3]: Leaving directory '/var/tmp/portage/x11-libs/gtk+-2.24.31-r1/work/gtk+-2.24.31-abi_x86_64.amd64/gtk'
make[2]: *** [Makefile:2340: all] Error 2
make[2]: Leaving directory '/var/tmp/portage/x11-libs/gtk+-2.24.31-r1/work/gtk+-2.24.31-abi_x86_64.amd64/gtk'
make[1]: *** [Makefile:733: all-recursive] Error 1
make[1]: Leaving directory '/var/tmp/portage/x11-libs/gtk+-2.24.31-r1/work/gtk+-2.24.31-abi_x86_64.amd64'
make: *** [Makefile:625: all] Error 2
===

After I downgraded glib to 2.52.3 (and gobject-introspection to 1.52) I was able to build gtk+-2.24.31 again.


If I compare the gtk+-2.24.31 build directory using glib 2.52.3 and glib 2.55.0 it identifies that the files created by "glib-genmarshal" differ (gtkmarshal.c and gtkmarshalers.c).

I added also a report here: https://github.com/Heather/gentoo-gnome/issues/216
Perhaps you can find some additional information at that place that I miss now.