toolchain: gdb: Update to version 11.1

The removed patch was already applied upstream.

gdb now mandatory depends on gmp, tell configure where to find it
explicitly. We already build gmp in the tools directory for gcc. Also
make it use mpfr and mpc as we also build both of them.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

toolchain/gdb/Makefile

@@ -7,12 +7,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=gdb
-PKG_VERSION:=10.1
+PKG_VERSION:=11.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNU/gdb
-PKG_HASH:=f82f1eceeec14a3afa2de8d9b0d3c91d5a3820e23e0a01bbb70ef9f0276b62c0
+PKG_HASH:=cccfcc407b20d343fb320d4a9a2110776dd3165118ffd41f4b1b162340333f94
 GDB_DIR:=$(PKG_NAME)-$(PKG_VERSION)
 
 HOST_BUILD_DIR:=$(BUILD_DIR_TOOLCHAIN)/$(GDB_DIR)
@@ -30,6 +30,9 @@ HOST_CONFIGURE_ARGS = \
 	--build=$(GNU_HOST_NAME) \
 	--host=$(GNU_HOST_NAME) \
 	--target=$(REAL_GNU_TARGET_NAME) \
+	--with-gmp=$(TOPDIR)/staging_dir/host \
+	--with-mpfr=$(TOPDIR)/staging_dir/host \
+	--with-mpc=$(TOPDIR)/staging_dir/host \
 	--disable-werror \
 	--without-uiout \
 	--enable-tui --disable-gdbtk --without-x \

toolchain/gdb/patches/100-fix-elf-support-check.patch

@@ -1,20 +0,0 @@
---- a/gdb/configure
-+++ b/gdb/configure
-@@ -16818,6 +16818,7 @@ else
-   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
- /* end confdefs.h.  */
- #include <stdlib.h>
-+#include <string.h>
-   #include "bfd.h"
-   #include "elf-bfd.h"
- 
---- a/gdb/acinclude.m4
-+++ b/gdb/acinclude.m4
-@@ -362,6 +362,7 @@ AC_DEFUN([GDB_AC_CHECK_BFD], [
-   AC_CACHE_CHECK([$1], [$2],
-   [AC_TRY_LINK(
-   [#include <stdlib.h>
-+  #include <string.h>
-   #include "bfd.h"
-   #include "$4"
-   ],