diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index fc44ff3792..724a4cb5b3 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -18,8 +18,8 @@
 
 cd $(dirname $0)
 
-CROSSGCC_DATE="June 13th, 2017"
-CROSSGCC_VERSION="1.45"
+CROSSGCC_DATE="July 27th, 2017"
+CROSSGCC_VERSION="1.46"
 CROSSGCC_COMMIT=$( git describe )
 
 # default settings
@@ -42,10 +42,10 @@ LIBELF_VERSION=0.8.13
 GCC_VERSION=6.3.0
 GCC_AUTOCONF_VERSION=2.69
 BINUTILS_VERSION=2.28
-GDB_VERSION=7.12
+GDB_VERSION=8.0
 IASL_VERSION=20161222
 PYTHON_VERSION=3.5.1
-EXPAT_VERSION=2.1.1
+EXPAT_VERSION=2.2.1
 # CLANG version number
 CLANG_VERSION=4.0.0
 MAKE_VERSION=4.2.1
diff --git a/util/crossgcc/patches/gdb-7.12_amd64.patch b/util/crossgcc/patches/gdb-8.0_amd64.patch
similarity index 62%
rename from util/crossgcc/patches/gdb-7.12_amd64.patch
rename to util/crossgcc/patches/gdb-8.0_amd64.patch
index 39e6fab399..3a00330543 100644
--- a/util/crossgcc/patches/gdb-7.12_amd64.patch
+++ b/util/crossgcc/patches/gdb-8.0_amd64.patch
@@ -1,6 +1,6 @@
-diff -urN gdb-7.12.orig/gdb/configure.tgt gdb-7.12/gdb/configure.tgt
---- gdb-7.12.orig/gdb/configure.tgt	2016-02-09 19:19:39.000000000 -0800
-+++ gdb-7.12/gdb/configure.tgt	2016-04-21 17:42:32.628433139 -0700
+diff -urN gdb-8.0.orig/gdb/configure.tgt gdb-8.0/gdb/configure.tgt
+--- gdb-8.0.orig/gdb/configure.tgt	2016-02-09 19:19:39.000000000 -0800
++++ gdb-8.0/gdb/configure.tgt	2016-04-21 17:42:32.628433139 -0700
 @@ -681,6 +681,11 @@
  			i387-tdep.o i386bsd-tdep.o i386obsd-tdep.o \
  			obsd-tdep.o bsd-uthread.o solib-svr4.o"
diff --git a/util/crossgcc/patches/gdb-7.12_no-doc.patch b/util/crossgcc/patches/gdb-8.0_no-doc.patch
similarity index 55%
rename from util/crossgcc/patches/gdb-7.12_no-doc.patch
rename to util/crossgcc/patches/gdb-8.0_no-doc.patch
index 2c5e571e0f..926ba3068c 100644
--- a/util/crossgcc/patches/gdb-7.12_no-doc.patch
+++ b/util/crossgcc/patches/gdb-8.0_no-doc.patch
@@ -1,6 +1,6 @@
-diff -urN gdb-7.12.orig/gdb/Makefile.in gdb-7.12/gdb/Makefile.in
---- gdb-7.12.orig/gdb/Makefile.in	2016-02-24 01:55:15.000000000 -0800
-+++ gdb-7.12/gdb/Makefile.in	2016-04-21 17:44:32.721472633 -0700
+diff -urN gdb-8.0.orig/gdb/Makefile.in gdb-8.0/gdb/Makefile.in
+--- gdb-8.0.orig/gdb/Makefile.in	2016-02-24 01:55:15.000000000 -0800
++++ gdb-8.0/gdb/Makefile.in	2016-04-21 17:44:32.721472633 -0700
 @@ -1092,7 +1092,7 @@
  
  TSOBS = inflow.o
diff --git a/util/crossgcc/patches/gdb-7.12_pythonhome.patch b/util/crossgcc/patches/gdb-8.0_pythonhome.patch
similarity index 68%
rename from util/crossgcc/patches/gdb-7.12_pythonhome.patch
rename to util/crossgcc/patches/gdb-8.0_pythonhome.patch
index aea8c0263a..d0c1427e77 100644
--- a/util/crossgcc/patches/gdb-7.12_pythonhome.patch
+++ b/util/crossgcc/patches/gdb-8.0_pythonhome.patch
@@ -1,6 +1,6 @@
-diff -urN gdb-7.12.orig/gdb/python/python.c gdb-7.12/gdb/python/python.c
---- gdb-7.12.orig/gdb/python/python.c	2016-02-09 19:19:39.000000000 -0800
-+++ gdb-7.12/gdb/python/python.c	2016-04-21 17:45:39.119833428 -0700
+diff -urN gdb-8.0.orig/gdb/python/python.c gdb-8.0/gdb/python/python.c
+--- gdb-8.0.orig/gdb/python/python.c	2016-02-09 19:19:39.000000000 -0800
++++ gdb-8.0/gdb/python/python.c	2016-04-21 17:45:39.119833428 -0700
 @@ -1748,6 +1748,15 @@
  #endif
  #endif
diff --git a/util/crossgcc/sum/expat-2.1.1.tar.bz2.cksum b/util/crossgcc/sum/expat-2.1.1.tar.bz2.cksum
deleted file mode 100644
index 882e501bf2..0000000000
--- a/util/crossgcc/sum/expat-2.1.1.tar.bz2.cksum
+++ /dev/null
@@ -1 +0,0 @@
-ff91419882ac52151050dad0ee8190645fbeee08  tarballs/expat-2.1.1.tar.bz2
diff --git a/util/crossgcc/sum/expat-2.2.1.tar.bz2.cksum b/util/crossgcc/sum/expat-2.2.1.tar.bz2.cksum
new file mode 100644
index 0000000000..6ccdfb6dec
--- /dev/null
+++ b/util/crossgcc/sum/expat-2.2.1.tar.bz2.cksum
@@ -0,0 +1 @@
+f45eb724f182776a9cacec9ed70d549e87198987  tarballs/expat-2.2.1.tar.bz2
diff --git a/util/crossgcc/sum/gdb-7.12.tar.xz.cksum b/util/crossgcc/sum/gdb-7.12.tar.xz.cksum
deleted file mode 100644
index 61334c9543..0000000000
--- a/util/crossgcc/sum/gdb-7.12.tar.xz.cksum
+++ /dev/null
@@ -1 +0,0 @@
-1a6a0f2fe04d6ac9ba85048af35610e0fc217300  tarballs/gdb-7.12.tar.xz
diff --git a/util/crossgcc/sum/gdb-8.0.tar.xz.cksum b/util/crossgcc/sum/gdb-8.0.tar.xz.cksum
new file mode 100644
index 0000000000..fb42fe2e77
--- /dev/null
+++ b/util/crossgcc/sum/gdb-8.0.tar.xz.cksum
@@ -0,0 +1 @@
+148c8e783ebf9b281241d0566db59961191ec64d  tarballs/gdb-8.0.tar.xz