Build fails due to incomplete type in `util.h`

[ecomaikgolf]

Error message:

In file included from /home/ecomaikgolf/git/hybrid-HE-framework/build/tests/../../ciphers/he_only/plain/../../common_Zp/kats.h:13,
                 from /home/ecomaikgolf/git/hybrid-HE-framework/build/tests/../../ciphers/he_only/plain/testvectors.h:3,
                 from /home/ecomaikgolf/git/hybrid-HE-framework/build/tests/he_only_test.cpp:1:
/home/ecomaikgolf/git/hybrid-HE-framework/build/tests/../../ciphers/he_only/plain/../../common_Zp/../common/utils.h: In member function ‘void utils::SeededRandom::init_shake(std::array<unsigned char, 16>&)’:
/home/ecomaikgolf/git/hybrid-HE-framework/build/tests/../../ciphers/he_only/plain/../../common_Zp/../common/utils.h:130:50: error: invalid use of incomplete type ‘struct std::array<unsigned char, 16>’
  130 |     if (SUCCESS != Keccak_HashUpdate(&shake128_, seed.data(), seed.size() * 8))
      |                                                  ^~~~
In file included from /usr/include/c++/13/bits/memory_resource.h:47,
                 from /usr/include/c++/13/string:58,
                 from /usr/include/c++/13/bits/locale_classes.h:40,
                 from /usr/include/c++/13/bits/ios_base.h:41,
                 from /usr/include/c++/13/streambuf:43,
                 from /usr/include/c++/13/bits/streambuf_iterator.h:35,
                 from /usr/include/c++/13/iterator:66,
                 from /home/ecomaikgolf/git/hybrid-HE-framework/build/tests/../../ciphers/he_only/plain/../../common_Zp/kats.h:6:
/usr/include/c++/13/tuple:2005:45: note: declaration of ‘struct std::array<unsigned char, 16>’
 2005 |   template<typename _Tp, size_t _Nm> struct array;
      |                                             ^~~~~
/home/ecomaikgolf/git/hybrid-HE-framework/build/tests/../../ciphers/he_only/plain/../../common_Zp/../common/utils.h:130:63: error: invalid use of incomplete type ‘struct std::array<unsigned char, 16>’
  130 |     if (SUCCESS != Keccak_HashUpdate(&shake128_, seed.data(), seed.size() * 8))
      |                                                               ^~~~
/usr/include/c++/13/tuple:2005:45: note: declaration of ‘struct std::array<unsigned char, 16>’
 2005 |   template<typename _Tp, size_t _Nm> struct array;
      |                                             ^~~~~
/home/ecomaikgolf/git/hybrid-HE-framework/build/tests/../../ciphers/he_only/plain/../../common_Zp/../common/utils.h: In member function ‘void utils::SeededRandom::init_shake(uint64_t, uint64_t)’:
/home/ecomaikgolf/git/hybrid-HE-framework/build/tests/../../ciphers/he_only/plain/../../common_Zp/../common/utils.h:137:29: error: aggregate ‘std::array<unsigned char, 16> seed’ has incomplete type and cannot be defined
  137 |     std::array<uint8_t, 16> seed;

Compiler version:

Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/11/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 11.3.0-1ubuntu1~22.04.1' --with-bugurl=file:///usr/share/doc/gcc-11/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,m2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-11 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --enable-libphobos-checking=release --with-target-system-zlib=auto --enable-objc-gc=auto --enable-multiarch --disable-werror --enable-cet --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none=/build/gcc-11-aYxV0E/gcc-11-11.3.0/debian/tmp-nvptx/usr,amdgcn-amdhsa=/build/gcc-11-aYxV0E/gcc-11-11.3.0/debian/tmp-gcn/usr --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --with-build-config=bootstrap-lto-lean --enable-link-serialization=2
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 11.3.0 (Ubuntu 11.3.0-1ubuntu1~22.04.1) 

Fix:

diff --git a/ciphers/common/utils.h b/ciphers/common/utils.h
index ba0445e..cb44bd0 100644
--- a/ciphers/common/utils.h
+++ b/ciphers/common/utils.h
@@ -6,6 +6,7 @@
 #include <iterator>
 #include <random>
 #include <vector>
+#include <array>
 #ifdef _WIN32
 #include <Windows.h>
 #include <bcrypt.h>
diff --git a/thirdparty/HElib b/thirdparty/HElib
--- a/thirdparty/HElib
+++ b/thirdparty/HElib
@@ -1 +1 @@
-Subproject commit d7be6f0dca6fa6cad2b2a0923d024ac27ce2e445
+Subproject commit d7be6f0dca6fa6cad2b2a0923d024ac27ce2e445-dirty

Just including <array> in ciphers/common/utils.h