Initial work for GTK3

lxpanel.spec

@@ -30,8 +30,13 @@
 
 %dnl	%global		use_gcc_strict_sanitize	1
 
+%global	use_gtk3	0
+%if 0%{?fedora} >= 45
+%global	use_gtk3	1
+%endif
+
 %global		main_version	0.11.1
-%global		baserelease	1
+%global		baserelease	2
 
 Name:			lxpanel
 Version:		%{main_version}%{git_ver_rpm}
@@ -72,16 +77,25 @@ BuildRequires:	make
 BuildRequires:	gettext
 BuildRequires:	intltool
 
-BuildRequires:	pkgconfig(gtk+-2.0)
 BuildRequires:	pkgconfig(gdk-pixbuf-2.0)
 BuildRequires:	pkgconfig(gdk-pixbuf-xlib-2.0)
-BuildRequires:	pkgconfig(libfm-gtk)
 BuildRequires:	pkgconfig(libxml-2.0)
-BuildRequires:	pkgconfig(libwnck-1.0)
-BuildRequires:	pkgconfig(keybinder)
 BuildRequires:	pkgconfig(indicator-0.4)
 BuildRequires:	pkgconfig(libmenu-cache) >= 0.3.0
 BuildRequires:	pkgconfig(alsa)
+
+%if 0%{?use_gtk3}
+BuildRequires:	pkgconfig(gtk+-3.0)
+BuildRequires:	pkgconfig(keybinder-3.0)
+BuildRequires:	pkgconfig(libfm-gtk3)
+BuildRequires:	pkgconfig(libwnck-3.0)
+%else
+BuildRequires:	pkgconfig(gtk+-2.0)
+BuildRequires:	pkgconfig(keybinder)
+BuildRequires:	pkgconfig(libfm-gtk)
+BuildRequires:	pkgconfig(libwnck-1.0)
+%endif
+
 BuildRequires:	/usr/bin/curl-config
 
 %if 0%{?use_gitbare}
@@ -190,6 +204,11 @@ export LDFLAGS="${LDFLAGS} -pthread"
 	--enable-indicator-support \
 	--disable-silent-rules \
 	--with-plugins='netstatus,volume,cpu,deskno,batt,kbled,xkb,thermal,cpufreq,monitors,indicator,weather' \
+%if 0%{?use_gtk3}
+	--enable-gtk3=yes \
+%else
+	--enable-gtk3=no \
+%endif
 	%{nil}
 %make_build
 
@@ -225,6 +244,9 @@ cd ..
 %{_libdir}/pkgconfig/lxpanel.pc
 
 %changelog
+* Fri May 01 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.11.1^20260313git4dec3d0d-2
+- F-45+: use GTK3
+
 * Fri Mar 13 2026 Mamoru TASAKA <mtasaka@fedoraproject.org> - 0.11.1^20260313git4dec3d0d-1
 - Update to the latest git