[libdxfrw] add libdxfrw port (#50388)

Co-authored-by: Kai Pastor <dg0yt@darc.de>

ports/libdxfrw/portfile.cmake

@@ -0,0 +1,36 @@
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO LibreCAD/libdxfrw
+    REF 92d7466ed9146badcd4fb44c82d1dd8302b3c7db
+    SHA512 2c65780dc378221489d860a4c13799e57c1d4375ac1df187a55e675d9a509896f300980b0f75d0d8dda837a6e335c19f8c23131577b962e92e04140e903e50ac
+    HEAD_REF master
+    PATCHES
+        remove-werror.patch
+)
+
+vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+    FEATURES
+        dwg2dxf LIBDXFRW_BUILD_DWG2DXF
+)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        -DLIBDXFRW_BUILD_DOC=OFF
+        ${FEATURE_OPTIONS}
+)
+
+vcpkg_cmake_install()
+
+if("dwg2dxf" IN_LIST FEATURES)
+    vcpkg_copy_tools(TOOL_NAMES dwg2dxf AUTO_CLEAN)
+endif()
+
+vcpkg_cmake_config_fixup(CONFIG_PATH "lib/cmake/libdxfrw")
+
+vcpkg_fixup_pkgconfig()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/COPYING")

ports/libdxfrw/remove-werror.patch

@@ -0,0 +1,19 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 50fae46..b33815c 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -8,14 +8,6 @@ set(LIBDXFRW_BUILD_DOC TRUE CACHE BOOL "Build the documentation")
+ set(LIBDXFRW_BUILD_DWG2DXF TRUE CACHE BOOL "Build the dwg2dxf application")
+ 
+ 
+-# set compiler warnings
+-if (MSVC)
+-    add_compile_options(/W3)
+-else()
+-    add_compile_options(-Wall -Wextra -pedantic -Werror)
+-endif()
+-
+-
+ include(GNUInstallDirs)
+ 
+ set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)

ports/libdxfrw/vcpkg.json

@@ -0,0 +1,21 @@
+{
+  "name": "libdxfrw",
+  "version-date": "2025-09-25",
+  "description": "libdxfrw is a free C++ library to read and write DXF files in both formats, ascii and binary form. It also has rudimentary capabilities to read DWG files.",
+  "license": "GPL-2.0-only",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ],
+  "features": {
+    "dwg2dxf": {
+      "description": "Build the dwg2dxf tool to convert DWG files to DXF format"
+    }
+  }
+}

versions/baseline.json

@@ -4816,6 +4816,10 @@
       "baseline": "2.3.1",
       "port-version": 0
     },
+    "libdxfrw": {
+      "baseline": "2025-09-25",
+      "port-version": 0
+    },
     "libe57": {
       "baseline": "1.1.337",
       "port-version": 0

versions/l-/libdxfrw.json

@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "79a297d2d6d2bdcb7e50b339f80ec35480c47ae4",
+      "version-date": "2025-09-25",
+      "port-version": 0
+    }
+  ]
+}