[new port] libmaxminddb init (#4132)

* maxminddb init

* [libmaxminddb] CMake cleanup. Build static lib instead of exporting all symbols on Windows.

ports/libmaxminddb/CMakeLists.txt

@@ -0,0 +1,34 @@
+cmake_minimum_required (VERSION 3.9)
+project(maxminddb C)
+
+set(CMAKE_DEBUG_POSTFIX d)
+set(CMAKE_SHARED_LIBRARY_PREFIX lib)
+set(CMAKE_STATIC_LIBRARY_PREFIX lib)
+
+if(MSVC)
+  add_compile_options(-D_CRT_SECURE_NO_WARNINGS)
+endif()
+
+set(SRCS
+  src/maxminddb.c
+  src/data-pool.c
+)
+
+include_directories(. src include projects/VS12)
+
+add_library(maxminddb ${SRCS})
+
+if(WIN32)
+  target_link_libraries(maxminddb ws2_32)
+endif()
+
+install(
+  TARGETS maxminddb
+  RUNTIME DESTINATION bin
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+)
+
+if(NOT DISABLE_INSTALL_HEADERS)
+  install(FILES include/maxminddb.h projects/VS12/maxminddb_config.h DESTINATION include/maxminddb)
+endif()

ports/libmaxminddb/CONTROL

@@ -0,0 +1,3 @@
+Source: libmaxminddb
+Version: 1.3.2-1
+Description: C library for the MaxMind DB file format

ports/libmaxminddb/portfile.cmake

@@ -0,0 +1,26 @@
+include(vcpkg_common_functions)
+
+vcpkg_check_linkage(ONLY_STATIC_LIBRARY)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO maxmind/libmaxminddb
+    REF 1.3.2
+    SHA512 43ff5f4e3a413772cd315412afc1070fb80280405d8845dc9d94a795265a71007c6c182dc01da8e14bf7b8ab8defe05714bec543faa956e7fb0f0a7756e7df48
+    HEAD_REF master
+)
+
+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()
+vcpkg_copy_pdbs()
+
+# Handle copyright
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/libmaxminddb RENAME copyright)