Add libxml2 port to patch iOS compilation

vcpkg/ports/libxml2/disable-docs.patch

@@ -0,0 +1,22 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index f99fd368..38dcd377 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -586,17 +586,6 @@ if(LIBXML2_WITH_PYTHON)
+     install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libxml2.py DESTINATION ${LIBXML2_PYTHON_INSTALL_DIR} COMPONENT runtime)
+ endif()
+
+-install(FILES doc/xml2-config.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1 COMPONENT documentation)
+-install(FILES doc/xmlcatalog.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1 COMPONENT documentation)
+-install(FILES doc/xmllint.1 DESTINATION ${CMAKE_INSTALL_MANDIR}/man1 COMPONENT documentation)
+-install(DIRECTORY doc/ DESTINATION ${CMAKE_INSTALL_DOCDIR} COMPONENT documentation
+-    PATTERN "Makefile.*" EXCLUDE
+-    PATTERN "*.1" EXCLUDE
+-    PATTERN "*.py" EXCLUDE
+-    PATTERN "*.res" EXCLUDE
+-    PATTERN "*.xml" EXCLUDE
+-    PATTERN "*.xsl" EXCLUDE)
+-
+ configure_package_config_file(
+     libxml2-config.cmake.cmake.in libxml2-config.cmake
+     INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/libxml2-${PROJECT_VERSION}

vcpkg/ports/libxml2/fix_cmakelist.patch

@@ -0,0 +1,34 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index f99fd368..3246a42c 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -438,7 +438,7 @@ set_target_properties(
+     SOVERSION ${LIBXML_MAJOR_VERSION}
+ )
+
+-if(MSVC)
++if(0)
+     if(BUILD_SHARED_LIBS)
+         set_target_properties(
+             LibXml2
+@@ -653,7 +653,11 @@ list(JOIN XML_PRIVATE_LIBS " " XML_PRIVATE_LIBS)
+
+ set(XML_INCLUDEDIR "-I\${includedir}/libxml2")
+ set(XML_LIBDIR "-L\${libdir}")
++if(NOT MSVC)
+ set(XML_LIBS "-lxml2")
++else()
++set(XML_LIBS "-llibxml2")
++endif()
+
+ if(BUILD_SHARED_LIBS)
+     set(XML_PC_PRIVATE ".private")
+@@ -679,7 +683,7 @@ set(includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
+ configure_file(libxml-2.0.pc.in libxml-2.0.pc @ONLY)
+ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libxml-2.0.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig COMPONENT development)
+
+-if(WIN32)
++if(1)
+     set(prefix "\$(cd \"\$(dirname \"\$0\")\"; pwd -P)/..")
+ endif()
+ configure_file(xml2-config.in xml2-config @ONLY)

vcpkg/ports/libxml2/fix_ios_compilation.patch

@@ -0,0 +1,119 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 0a279c8..8e771ee 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -136,7 +136,7 @@ if (NOT MSVC)
+     check_include_files(fcntl.h HAVE_FCNTL_H)
+     check_function_exists(fpclass HAVE_FPCLASS)
+     check_function_exists(ftime HAVE_FTIME)
+-    check_function_exists(getentropy HAVE_GETENTROPY)
++    check_symbol_exists(getentropy "sys/random.h" HAVE_DECL_GETENTROPY)
+     check_function_exists(gettimeofday HAVE_GETTIMEOFDAY)
+     check_library_exists(history append_history "" HAVE_LIBHISTORY)
+     check_library_exists(readline readline "" HAVE_LIBREADLINE)
+@@ -149,7 +149,6 @@ if (NOT MSVC)
+     check_function_exists(stat HAVE_STAT)
+     check_include_files(stdint.h HAVE_STDINT_H)
+     check_include_files(sys/mman.h HAVE_SYS_MMAN_H)
+-    check_include_files(sys/random.h HAVE_SYS_RANDOM_H)
+     check_include_files(sys/select.h HAVE_SYS_SELECT_H)
+     check_include_files(sys/socket.h HAVE_SYS_SOCKET_H)
+     check_include_files(sys/stat.h HAVE_SYS_STAT_H)
+diff --git a/config.h.cmake.in b/config.h.cmake.in
+index 2f4aeba..79f1cdb 100644
+--- a/config.h.cmake.in
++++ b/config.h.cmake.in
+@@ -23,7 +23,7 @@
+ #cmakedefine HAVE_FTIME 1
+
+ /* Define to 1 if you have the `getentropy' function. */
+-#cmakedefine HAVE_GETENTROPY 1
++#cmakedefine HAVE_DECL_GETENTROPY 1
+
+ /* Define to 1 if you have the `gettimeofday' function. */
+ #cmakedefine HAVE_GETTIMEOFDAY 1
+@@ -69,9 +69,6 @@
+ /* Define to 1 if you have the <sys/mman.h> header file. */
+ #cmakedefine HAVE_SYS_MMAN_H 1
+
+-/* Define to 1 if you have the <sys/random.h> header file. */
+-#cmakedefine HAVE_SYS_RANDOM_H 1
+-
+ /* Define to 1 if you have the <sys/select.h> header file. */
+ #cmakedefine HAVE_SYS_SELECT_H 1
+
+diff --git a/configure.ac b/configure.ac
+index 48cd2f0..0f09c61 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -304,7 +304,6 @@ AC_CHECK_HEADERS([stdint.h])
+ AC_CHECK_HEADERS([fcntl.h unistd.h sys/stat.h])
+ AC_CHECK_HEADERS([sys/mman.h])
+ AC_CHECK_HEADERS([sys/time.h sys/timeb.h])
+-AC_CHECK_HEADERS([sys/random.h])
+ AC_CHECK_HEADERS([dl.h dlfcn.h])
+ AC_CHECK_HEADERS([glob.h])
+ AM_CONDITIONAL(WITH_GLOB, test "$ac_cv_header_glob_h" = "yes")
+@@ -317,9 +316,7 @@ AH_VERBATIM([HAVE_MUNMAP_AFTER],[/* mmap() is no good without munmap() */
+ #  undef /**/ HAVE_MMAP
+ #endif])
+
+-AC_CHECK_DECL([getentropy],
+-              [AC_DEFINE([HAVE_GETENTROPY], [1], [getentropy])], [],
+-              [#include <sys/random.h>])
++AC_CHECK_DECLS([getentropy], [], [], [#include <sys/random.h>])
+
+ dnl
+ dnl Checks for inet libraries
+diff --git a/dict.c b/dict.c
+index 49e1c6b..46bb4d4 100644
+--- a/dict.c
++++ b/dict.c
+@@ -928,13 +928,11 @@ xmlDictQLookup(xmlDictPtr dict, const xmlChar *prefix, const xmlChar *name) {
+   #define WIN32_LEAN_AND_MEAN
+   #include <windows.h>
+   #include <bcrypt.h>
+-#elif defined(HAVE_GETENTROPY)
++#elif HAVE_DECL_GETENTROPY
+   #ifdef HAVE_UNISTD_H
+     #include <unistd.h>
+   #endif
+-  #ifdef HAVE_SYS_RANDOM_H
+-    #include <sys/random.h>
+-  #endif
++  #include <sys/random.h>
+ #else
+   #include <time.h>
+ #endif
+@@ -965,7 +963,7 @@ xmlInitRandom(void) {
+                     "error code %lu\n", GetLastError());
+             abort();
+         }
+-#elif defined(HAVE_GETENTROPY)
++#elif HAVE_DECL_GETENTROPY
+         while (1) {
+             if (getentropy(globalRngState, sizeof(globalRngState)) == 0)
+                 break;
+diff --git a/meson.build b/meson.build
+index b6939c7..bbee96d 100644
+--- a/meson.build
++++ b/meson.build
+@@ -314,13 +314,15 @@ xml_check_functions = [
+     ['gettimeofday', 'sys/time.h'],
+     ['ftime', 'sys/timeb.h'],
+     ['stat', 'sys/stat.h'],
+-    ['mmap', 'sys/mman.h'],
+-    ['munmap', 'sys/mman.h'],
++    ['getentropy', 'sys/random.h', 'HAVE_DECL_GETENTROPY'],
++    ['mmap', 'sys/mman.h', 'HAVE_MMAP'],
++    ['munmap', 'sys/mman.h', 'HAVE_MUNMAP'],
++
+ ]
+
+ foreach function : xml_check_functions
+     if cc.has_header_symbol(function[1], function[0])
+-        config_h.set10('HAVE_' + function[0].to_upper(), true)
++        config_h.set10(function[2], true)
+     endif
+ endforeach
+

vcpkg/ports/libxml2/portfile.cmake

@@ -0,0 +1,106 @@
+vcpkg_download_distfile(FIX_COMPATIBILITY_PATCH
+    URLS https://github.com/GNOME/libxml2/commit/b347a008a745778630a9eb4fbd29694f3c135bfa.diff?full_index=1
+    FILENAME Fix-compatibility-in-package-version-file.patch
+    SHA512 7f5e5f53444c12924b0fefdf3013fa4dab76fb17f552dd827628739a6e65c9817ae7182e1817cea2317e2fc9b8a200ecce4f8cb5661a2614c0548a5b3e508b66
+)
+
+vcpkg_download_distfile(ADD_MISSING_BCRYPT_PATCH
+    URLS https://github.com/GNOME/libxml2/commit/fe1ee0f25f43e33a9981fd6fe7b0483a8c8b5e8d.diff?full_index=1
+    FILENAME Add-missing-Bcrypt-link.patch
+    SHA512 22bc2fe4c365a2c9991508484daa3d884ff91803df48b3847f71b2283e240ef3ce4fdc1d230932d837ff94dc02fc53e76e2e5a1c956ef037caacb13d8f9b3982
+)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO GNOME/libxml2
+    REF "v${VERSION}"
+    SHA512 dfe0529dd2fbb7dc9e79505b9c6ff7f29979fa4392d534c1b8859fa9934c2e7d4da3429265d718292056809a58080af32b130263625cdeb358123774c27da7c6
+    HEAD_REF master
+    PATCHES
+        disable-docs.patch
+        fix_cmakelist.patch
+        fix_ios_compilation.patch
+        ${FIX_COMPATIBILITY_PATCH}
+        ${ADD_MISSING_BCRYPT_PATCH}
+)
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+        "ftp" LIBXML2_WITH_FTP
+        "http" LIBXML2_WITH_HTTP
+        "iconv" LIBXML2_WITH_ICONV
+        "legacy" LIBXML2_WITH_LEGACY
+        "lzma" LIBXML2_WITH_LZMA
+        "zlib" LIBXML2_WITH_ZLIB
+        "tools" LIBXML2_WITH_PROGRAMS
+        "icu"  LIBXML2_WITH_ICU
+)
+
+vcpkg_find_acquire_program(PKGCONFIG)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        ${FEATURE_OPTIONS}
+        -DLIBXML2_WITH_TESTS=OFF
+        -DLIBXML2_WITH_HTML=ON
+        -DLIBXML2_WITH_C14N=ON
+        -DLIBXML2_WITH_CATALOG=ON
+        -DLIBXML2_WITH_DEBUG=ON
+        -DLIBXML2_WITH_ISO8859X=ON
+        -DLIBXML2_WITH_MODULES=ON
+        -DLIBXML2_WITH_OUTPUT=ON
+        -DLIBXML2_WITH_PATTERN=ON
+        -DLIBXML2_WITH_PUSH=ON
+        -DLIBXML2_WITH_PYTHON=OFF
+        -DLIBXML2_WITH_READER=ON
+        -DLIBXML2_WITH_REGEXPS=ON
+        -DLIBXML2_WITH_SAX1=ON
+        -DLIBXML2_WITH_SCHEMAS=ON
+        -DLIBXML2_WITH_SCHEMATRON=ON
+        -DLIBXML2_WITH_THREADS=ON
+        -DLIBXML2_WITH_THREAD_ALLOC=OFF
+        -DLIBXML2_WITH_TREE=ON
+        -DLIBXML2_WITH_VALID=ON
+        -DLIBXML2_WITH_WRITER=ON
+        -DLIBXML2_WITH_XINCLUDE=ON
+        -DLIBXML2_WITH_XPATH=ON
+        -DLIBXML2_WITH_XPTR=ON
+        "-DPKG_CONFIG_EXECUTABLE=${PKGCONFIG}"
+)
+
+vcpkg_cmake_install()
+
+vcpkg_cmake_config_fixup(CONFIG_PATH "lib/cmake/libxml2-${VERSION}")
+vcpkg_fixup_pkgconfig()
+
+vcpkg_copy_pdbs()
+
+if("tools" IN_LIST FEATURES)
+    vcpkg_copy_tools(TOOL_NAMES xmllint xmlcatalog AUTO_CLEAN)
+endif()
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL "static")
+    file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/bin" "${CURRENT_PACKAGES_DIR}/debug/bin")
+endif()
+
+if(VCPKG_LIBRARY_LINKAGE STREQUAL static)
+    set(_file "${CURRENT_PACKAGES_DIR}/include/libxml2/libxml/xmlexports.h")
+    file(READ "${_file}" _contents)
+    string(REPLACE "#ifdef LIBXML_STATIC" "#undef LIBXML_STATIC\n#define LIBXML_STATIC\n#ifdef LIBXML_STATIC" _contents "${_contents}")
+    file(WRITE "${_file}" "${_contents}")
+endif()
+
+file(COPY "${CURRENT_PACKAGES_DIR}/include/libxml2/" DESTINATION "${CURRENT_PACKAGES_DIR}/include") # TODO: Fix usage in all dependent ports hardcoding the wrong include path.
+
+# Cleanup
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/lib/xml2Conf.sh" "${CURRENT_PACKAGES_DIR}/debug/lib/xml2Conf.sh")
+
+file(COPY
+    "${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake"
+    "${CMAKE_CURRENT_LIST_DIR}/usage"
+    DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}"
+)
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/Copyright")

vcpkg/ports/libxml2/usage

@@ -0,0 +1,4 @@
+The package libxml2 is compatible with built-in CMake targets:
+
+    find_package(LibXml2 REQUIRED)
+    target_link_libraries(main PRIVATE LibXml2::LibXml2)

vcpkg/ports/libxml2/vcpkg-cmake-wrapper.cmake

@@ -0,0 +1,3 @@
+list(REMOVE_ITEM ARGS "NO_MODULE" "CONFIG" "MODULE")
+_find_package(${ARGS} CONFIG)
+set(LIBXML2_FOUND "${LibXml2_FOUND}") # fphsa compatibility

vcpkg/ports/libxml2/vcpkg.json

@@ -0,0 +1,62 @@
+{
+  "name": "libxml2",
+  "version": "2.13.5",
+  "description": "Libxml2 is the XML C parser and toolkit developed for the Gnome project (but usable outside of the Gnome platform).",
+  "homepage": "https://gitlab.gnome.org/GNOME/libxml2/-/wikis/home",
+  "license": "MIT",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ],
+  "default-features": [
+    "iconv",
+    "lzma",
+    "zlib"
+  ],
+  "features": {
+    "ftp": {
+      "description": "Add the FTP support",
+      "supports": "!uwp"
+    },
+    "http": {
+      "description": "Add the HTTP support",
+      "supports": "!uwp"
+    },
+    "iconv": {
+      "description": "Add ICONV support",
+      "dependencies": [
+        "libiconv"
+      ]
+    },
+    "icu": {
+      "description": "Add ICU support",
+      "dependencies": [
+        "icu"
+      ]
+    },
+    "legacy": {
+      "description": "Add deprecated APIs for compatibility"
+    },
+    "lzma": {
+      "description": "Use LZMA",
+      "dependencies": [
+        "liblzma"
+      ]
+    },
+    "tools": {
+      "description": "Build tools"
+    },
+    "zlib": {
+      "description": "Use ZLib",
+      "dependencies": [
+        "zlib"
+      ]
+    }
+  }
+}