From 7414f76ce92acb8abe4021a9297f90a4cee29a3a Mon Sep 17 00:00:00 2001
From: Andrea Pappacoda <andrea@pappacoda.it>
Date: Thu, 24 Nov 2022 16:36:55 +0100
Subject: [PATCH] build: only require Zydis on x86

Zydis is only used on x86, and this patch allows compilation on ARM
without Zydis installed.
---
 CMakeLists.txt           |  6 ++++--
 externals/CMakeLists.txt | 12 +++++++-----
 2 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index cf3e69a5..9a8c4acf 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -139,8 +139,10 @@ if (DYNARMIC_NO_BUNDLED_XBYAK AND NOT TARGET xbyak)
 endif()
 
 if (DYNARMIC_NO_BUNDLED_ZYDIS AND NOT TARGET Zydis)
-    find_package(Zydis REQUIRED)
-    add_library(Zydis ALIAS Zydis::Zydis)
+    if (ARCHITECTURE STREQUAL "x86" OR ARCHITECTURE STREQUAL "x86_64")
+        find_package(Zydis REQUIRED)
+        add_library(Zydis ALIAS Zydis::Zydis)
+    endif()
 endif()
 
 # Enable unit-testing.
diff --git a/externals/CMakeLists.txt b/externals/CMakeLists.txt
index abbb9a55..dcc25aaa 100644
--- a/externals/CMakeLists.txt
+++ b/externals/CMakeLists.txt
@@ -57,9 +57,11 @@ endif()
 # zydis
 
 if (NOT TARGET Zydis)
-    option(ZYDIS_BUILD_TOOLS "" OFF)
-    option(ZYDIS_BUILD_EXAMPLES "" OFF)
-    option(ZYDIS_BUILD_DOXYGEN "" OFF)
-    set(ZYAN_ZYCORE_PATH "${CMAKE_CURRENT_LIST_DIR}/zycore" CACHE PATH "")
-    add_subdirectory(zydis EXCLUDE_FROM_ALL)
+    if (ARCHITECTURE STREQUAL "x86" OR ARCHITECTURE STREQUAL "x86_64")
+        option(ZYDIS_BUILD_TOOLS "" OFF)
+        option(ZYDIS_BUILD_EXAMPLES "" OFF)
+        option(ZYDIS_BUILD_DOXYGEN "" OFF)
+        set(ZYAN_ZYCORE_PATH "${CMAKE_CURRENT_LIST_DIR}/zycore" CACHE PATH "")
+        add_subdirectory(zydis EXCLUDE_FROM_ALL)
+    endif()
 endif()