From 6bc36ee715a69d4f51200800ce93db7cac358732 Mon Sep 17 00:00:00 2001
From: Georg Hagen <git.georg.hagen@madvoxel.com>
Date: Wed, 25 Dec 2024 19:45:02 +0100
Subject: [PATCH] Add GenerateTriplet function

---
 cmake/functions/GenerateTriplet.cmake | 43 +++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 cmake/functions/GenerateTriplet.cmake

diff --git a/cmake/functions/GenerateTriplet.cmake b/cmake/functions/GenerateTriplet.cmake
new file mode 100644
index 0000000..885aa8e
--- /dev/null
+++ b/cmake/functions/GenerateTriplet.cmake
@@ -0,0 +1,43 @@
+function(GenerateTriplet OUTPUT_VARIABLE)
+    # Determine system architecture
+    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+        set(ARCH "x64")
+    elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
+        set(ARCH "x86")
+    elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm|aarch)64$")
+        set(ARCH "arm64")
+    elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^(arm|aarch).*")
+        set(ARCH "arm")
+    else()
+        message(FATAL_ERROR "Unsupported architecture")
+        return()
+    endif()
+
+    # Determine OS and create vcpkg-compatible triplet
+    if(WIN32)
+        # Windows triplets: x64-windows, x64-windows-static, x64-windows-dynamic
+        if(BUILD_SHARED_LIBS)
+            set(TRIPLET "${ARCH}-windows-dynamic")
+        else()
+            set(TRIPLET "${ARCH}-windows-static")
+        endif()
+    elseif(APPLE)
+        if (IOS)
+            set(TRIPLET "${ARCH}-ios")
+        else ()
+            # macOS triplets: x64-osx, arm64-osx
+            set(TRIPLET "${ARCH}-osx")
+        endif ()
+    elseif(UNIX)
+        # Linux triplets: x64-linux, arm64-linux
+        set(TRIPLET "${ARCH}-linux")
+    else()
+        message(FATAL_ERROR "Unsupported operating system")
+        return()
+    endif()
+
+    message(STATUS "Generated vcpkg-compatible triplet: ${TRIPLET}")
+
+    # Set the output variable in the parent scope
+    set(${OUTPUT_VARIABLE} ${TRIPLET} PARENT_SCOPE)
+endfunction()
\ No newline at end of file