Add -trailing-zeros32 patch to fix build failures on some platforms.

z3-trailing-zeros32.patch

@@ -0,0 +1,13 @@
+diff --git a/src/util/mpz.cpp b/src/util/mpz.cpp
+index a8190df1b..9c2d3d5ff 100644
+--- a/src/util/mpz.cpp
++++ b/src/util/mpz.cpp
+@@ -72,6 +72,8 @@ inline uint64_t _trailing_zeros64(uint64_t x) {
+ 
+ #if defined(_WINDOWS) && !defined(_M_ARM) && !defined(_M_ARM64)
+ // _trailing_zeros32 already defined using intrinsics
++#elif defined(__GNUC__)
++// _trailing_zeros32 already defined using intrinsics
+ #else
+ inline uint32_t _trailing_zeros32(uint32_t x) {
+     uint32_t r = 0;

z3.spec

@@ -8,9 +8,10 @@ Summary:        Satisfiability Modulo Theories (SMT) solver
 License:        MIT
 URL:            https://github.com/Z3Prover/z3
 Source0:        https://github.com/Z3Prover/z3/archive/%{name}-%{version}.tar.gz
-
 # https://github.com/Z3Prover/z3/pull/2730
 Patch0:         %{name}-ocamldoc.patch
+# https://github.com/Z3Prover/z3/commit/e212159f4e941c78fc03239e0884f2f0454f581f
+Patch1:         %{name}-trailing-zeros32.patch
 
 BuildRequires:  doxygen
 BuildRequires:  gcc-c++
@@ -223,6 +224,7 @@ mv %{buildroot}%{_prefix}/lib/lib%{name}java.so %{buildroot}%{_libdir}/%{name}
 * Thu Nov 21 2019 Jerry James <loganjerry@gmail.com> - 4.8.7-1
 - New upstream version
 - Add -ocamldoc patch to fix documentation build failure
+- Add -trailing-zeros32 patch to fix build failures on some platforms
 
 * Fri Sep 20 2019 Jerry James <loganjerry@gmail.com> - 4.8.6-1
 - New upstream version