From 9036da80eefea2a317cc7c9c20042b79f3a38682 Mon Sep 17 00:00:00 2001
From: Joerg Bornemann <joerg.bornemann@qt.io>
Date: Thu, 2 Apr 2026 14:04:10 +0200
Subject: [PATCH] Add OHOS (OpenHarmony) platform support

Add OHOS as a recognized platform in vcpkg-tool:
- Platform expression identifier "ohos" maps to VCPKG_CMAKE_SYSTEM_NAME "OHOS"
- Toolchain file mapping for OHOS to scripts/toolchains/ohos.cmake
---
 src/vcpkg/commands.build.cpp      | 4 ++++
 src/vcpkg/platform-expression.cpp | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/src/vcpkg/commands.build.cpp b/src/vcpkg/commands.build.cpp
index 249efddaa7..85842b1bfe 100644
--- a/src/vcpkg/commands.build.cpp
+++ b/src/vcpkg/commands.build.cpp
@@ -1038,6 +1038,10 @@ namespace vcpkg
         {
             return m_paths.scripts / "toolchains/ios.cmake";
         }
+        else if (cmake_system_name == "OHOS")
+        {
+            return m_paths.scripts / "toolchains/ohos.cmake";
+        }
         else
         {
             Checks::msg_exit_with_message(VCPKG_LINE_INFO,
diff --git a/src/vcpkg/platform-expression.cpp b/src/vcpkg/platform-expression.cpp
index 92a3b7b855..a59eca265e 100644
--- a/src/vcpkg/platform-expression.cpp
+++ b/src/vcpkg/platform-expression.cpp
@@ -43,6 +43,7 @@ namespace vcpkg::PlatformExpression
         tvos,
         watchos,
         visionos,
+        ohos,
 
         static_link,
         static_crt,
@@ -80,6 +81,7 @@ namespace vcpkg::PlatformExpression
             {"tvos", Identifier::tvos},
             {"watchos", Identifier::watchos},
             {"visionos", Identifier::visionos},
+            {"ohos", Identifier::ohos},
             {"static", Identifier::static_link},
             {"staticcrt", Identifier::static_crt},
             {"native", Identifier::native},
@@ -707,6 +709,7 @@ namespace vcpkg::PlatformExpression
                         case Identifier::watchos: return true_if_exists_and_equal("VCPKG_CMAKE_SYSTEM_NAME", "watchOS");
                         case Identifier::visionos:
                             return true_if_exists_and_equal("VCPKG_CMAKE_SYSTEM_NAME", "visionOS");
+                        case Identifier::ohos: return true_if_exists_and_equal("VCPKG_CMAKE_SYSTEM_NAME", "OHOS");
                         case Identifier::static_link:
                             return true_if_exists_and_equal("VCPKG_LIBRARY_LINKAGE", "static");
                         case Identifier::static_crt: return true_if_exists_and_equal("VCPKG_CRT_LINKAGE", "static");