diff --git a/ports/bigint/CMakeLists.txt b/ports/bigint/CMakeLists.txt
new file mode 100644
index 0000000000..cb62597eff
--- /dev/null
+++ b/ports/bigint/CMakeLists.txt
@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 3.8.0)
+project(bigint)
+
+if(MSVC)
+  add_compile_options(/W3 /wd4005 /wd4996 /wd4018 -D_CRT_SECURE_NO_WARNINGS)
+endif()
+
+include_directories(".")
+
+set(
+  bigint_srcs
+	BigUnsigned.cc
+	BigInteger.cc
+	BigIntegerAlgorithms.cc
+	BigUnsignedInABase.cc
+  BigIntegerUtils.cc
+)
+
+set(
+  bigint_hh
+	NumberlikeArray.hh
+	BigUnsigned.hh
+	BigInteger.hh
+	BigIntegerAlgorithms.hh
+	BigUnsignedInABase.hh
+	BigIntegerLibrary.hh
+)
+
+add_library(bigint ${bigint_srcs})
+
+install(
+  TARGETS bigint
+  RUNTIME DESTINATION bin
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+)
+
+if(NOT DISABLE_INSTALL_HEADERS)
+  install(FILES ${bigint_hh}  DESTINATION include/bigint)
+endif()
diff --git a/ports/bigint/CONTROL b/ports/bigint/CONTROL
new file mode 100644
index 0000000000..50f7bea656
--- /dev/null
+++ b/ports/bigint/CONTROL
@@ -0,0 +1,3 @@
+Source: bigint
+Version: 2010.04.30
+Description: C++ Big Integer Library
diff --git a/ports/bigint/portfile.cmake b/ports/bigint/portfile.cmake
new file mode 100644
index 0000000000..8a710aa542
--- /dev/null
+++ b/ports/bigint/portfile.cmake
@@ -0,0 +1,27 @@
+include(vcpkg_common_functions)
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
+  message(WARNING "Dynamic not supported building static")
+  set(VCPKG_LIBRARY_LINKAGE static)
+endif()
+
+
+set(SOURCE_PATH ${CURRENT_BUILDTREES_DIR}/src/bigint-2010.04.30)
+vcpkg_download_distfile(ARCHIVE
+    URLS "https://mattmccutchen.net/bigint/bigint-2010.04.30.tar.bz2"
+    FILENAME "bigint-2010.04.30.tar.bz2"
+    SHA512 bb64380e51991f97a2489c04801ab4372f795b5e23870ad12d71087f1a2afba9b32f74dcdbdcb5228ebf0dd74a37185285bac7653dd3c62d6118d63c298689af
+)
+vcpkg_extract_source_archive(${ARCHIVE})
+
+file(COPY ${CMAKE_CURRENT_LIST_DIR}/CMakeLists.txt DESTINATION ${SOURCE_PATH})
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS_DEBUG -DDISABLE_INSTALL_HEADERS=ON
+)
+
+vcpkg_install_cmake()
+
+file(INSTALL ${SOURCE_PATH}/README DESTINATION ${CURRENT_PACKAGES_DIR}/share/bigint RENAME copyright)