avr-gdb: update to 15.2.

srcpkgs/avr-gdb/patches/constness.patch

@@ -1,11 +0,0 @@
---- ./gdb/completer.c.orig	2023-09-29 16:16:06.344069450 -0400
-+++ ./gdb/completer.c	2023-09-29 16:16:21.522162391 -0400
-@@ -2011,7 +2011,7 @@
-       rl_basic_quote_characters = NULL;
-     }
- 
--  return rl_completer_word_break_characters;
-+  return (char *)rl_completer_word_break_characters;
- }
- 
- char *

srcpkgs/avr-gdb/template

@@ -1,14 +1,14 @@
 # Template file for 'avr-gdb'
 pkgname=avr-gdb
-version=12.1
-revision=2
+version=15.2
+revision=1
 build_style=gnu-configure
 configure_args="--target=avr --disable-werror --disable-nls --with-system-readline
  --with-system-gdbinit=/etc/gdb/gdbinit --with-system-zlib
  $(vopt_with guile) $(vopt_if python --with-python=/usr/bin/python3)"
 hostmakedepends="pkg-config texinfo $(vopt_if guile guile)
  $(vopt_if python "python3-setuptools python3-devel")"
-makedepends="expat-devel ncurses-devel readline-devel zlib-devel gmp-devel
+makedepends="expat-devel ncurses-devel readline-devel zlib-devel gmp-devel mpfr-devel
  $(vopt_if guile guile-devel) $(vopt_if python 'gettext-devel python3-devel')"
 depends="gdb-common"
 short_desc="GNU Debugger for AVR"
@@ -16,7 +16,7 @@ maintainer="Artur Sinila <opensource@logarithmus.dev>"
 license="GPL-3.0-or-later"
 homepage="https://www.gnu.org/software/gdb"
 distfiles="${GNU_SITE}/gdb/gdb-${version}.tar.xz"
-checksum=0e1793bf8f2b54d53f46dea84ccfd446f48f81b297b28c4f7fc017b818d69fed
+checksum=83350ccd35b5b5a0cba6b334c41294ea968158c573940904f00b92f76345314d
 make_check=no  # See gdb/template.
 replaces="cross-avr-gdb>=0"