z3: update to 4.8.1.

srcpkgs/z3/patches/intrin.patch

@@ -0,0 +1,12 @@
+Header is unused on gcc builds anyway, breaks non-x86(_64).
+
+--- src/util/mpz.cpp.orig
++++ src/util/mpz.cpp
+@@ -30,7 +30,6 @@
+ #else
+ #error No multi-precision library selected.
+ #endif
+-#include <immintrin.h> 
+ 
+ // Available GCD algorithms
+ // #define EUCLID_GCD

srcpkgs/z3/template

@@ -1,7 +1,7 @@
 # Template file for 'z3'
 pkgname=z3
-version=4.7.1
-revision=3
+version=4.8.1
+revision=1
 wrksrc="${pkgname}-${pkgname}-${version}"
 build_style=configure
 configure_args="--prefix=/usr -g --python $(vopt_if ocaml --ml)"
@@ -16,7 +16,7 @@ maintainer="Leah Neukirchen <leah@vuxu.org>"
 license="MIT"
 homepage="https://github.com/Z3Prover/z3"
 distfiles="https://github.com/Z3Prover/z3/archive/${pkgname}-${version}.tar.gz"
-checksum=a353e3da00cdaffd258052cc1406efc854606855222ab4bfd5679c58af5c11c7
+checksum=cc17e23327793defac78071acb9c68969f50e8a8ce3485f06448b65a589bcb71
 
 build_options="ocaml"
 desc_option_ocaml="Enable support for OCaml bindings"